https://iwistao.com/en-jp/blogs/iwistao/mini-2x3-5w-iwistao-tube-amplifier-with-bluetooth-4-2-technology 2017-05-16T16:14:01-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/bluetooth_tube.jpg?v=1494990841 Mini 2x3.5W IWISTAO Tube Amplifier with Bluetooth 4.2 Technology https://iwistao.com/en-jp/blogs/iwistao/what-is-a-hifi-interconnection-rca-audio-cable 2017-05-20T21:07:13-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/WHFC-CRCA_blog_900x420.jpg?v=1495353629 What is a HIFI Interconnection RCA Audio Cable? IWISTAO HIFI Interconnection RCA Cable https://iwistao.com/en-jp/blogs/iwistao/iwistao-tube-fm-radio-tuner-board-with-frequency-display 2017-06-01T15:03:42-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/WVTR-FM09_3B_800.jpg?v=1496226590 IWISTAO Tube FM Radio Tuner Board with Frequency Display https://iwistao.com/en-jp/blogs/iwistao/iwistao-tube-fm-radio-with-fm-super-regenerative-handmade-nostalgia-radio-6j1-fu-25 2017-06-01T15:01:09-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/WVT-R08_6L.jpg?v=1496329839 IWISTAO Tube FM Radio with FM Super-regenerative Handmade Nostalgia Radio 6J1 + FU-25 https://iwistao.com/en-jp/blogs/iwistao/sweat-and-mellow-sound-from-iwistao-tube-fm-radio-built-in-6p1-power-amplifier 2017-06-23T13:57:25-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/WVTR-FM09-Radio_2.jpg?v=1498265845 Sweat and Mellow Sound from IWISTAO Tube FM Radio Built-in 6P1 Power Amplifier https://iwistao.com/en-jp/blogs/iwistao/digital-audio-broadcasting-with-cd-quality-sound 2017-06-23T14:32:18-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/WDAB-1002_800x800.jpg?v=1498267878 Digital Audio Broadcasting with CD quality sound https://iwistao.com/en-jp/blogs/iwistao/iwistao-hifi-4-inches-full-range-speaker-monitor 2017-06-27T21:11:11-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/WHFRS-AKISUIT4-R_8X6_2.jpg?v=1498637122 Beautiful Enclosure and Wonderful Sound form IWISTAO HIFI 4 Inches Full Range Speaker Monitor https://iwistao.com/en-jp/blogs/iwistao/wifi-radio-internet-web-fm-radios-5w-rms-color-screen-clock-and-alarm-wooden-casing 2017-06-29T03:49:10-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/WIFI_Radio1.jpg?v=1498747676 WIFI Radio Internet Web FM Radios 5W RMS Color Screen Clock and Alarm Wooden Casing https://iwistao.com/en-jp/blogs/iwistao/iwistao-tube-fm-tuner-6p1-tube-amplifier 2017-07-26T14:45:32-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/WTR-FM09CF_800_x800_L2.jpg?v=1499418914 IWISTAO Tube FM Tuner + 6P1 Tube Amplifier https://iwistao.com/en-jp/blogs/iwistao/output-tansformer-key-components-of-tube-amplifier-1 2017-07-17T14:13:06-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/WHFT-OT15W_WS_2c495dcb-d04d-489b-8684-1a7c916fdef8.jpg?v=1499683684 Output Transformer -- Key components of Tube Amplifier https://iwistao.com/en-jp/blogs/iwistao/effect-of-tube-buffer-preamplifier 2017-07-15T17:55:01-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/xd-10.jpg?v=1500180838 Effect of Tube Buffer Preamplifier https://iwistao.com/en-jp/blogs/iwistao/parallel-single-ended-class-a-6p1-tube-amplifier 2017-08-14T22:25:47-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/WVA-26P1_800x800_3.jpg?v=1501684531 Parallel Single-ended Class A 6P1 Tube Amplifier https://iwistao.com/en-jp/blogs/iwistao/what-is-ture-wireless-stereo 2017-08-15T14:33:38-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/Implementing_TWS_in_Speaker_Products.jpg?v=1502847119 What is Ture Wireless Stereo? https://iwistao.com/en-jp/blogs/iwistao/mini-hifi-bluetooth-hybrid-tube-amplifier-with-tube-6n1-preamp 2017-08-15T15:00:01-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/Bluetooth_tube_hybird_amp.jpg?v=1502848721 Mini HIFI Bluetooth Hybrid Tube Amplifier with Tube 6N1 Preamp https://iwistao.com/en-jp/blogs/iwistao/new-trends-of-hifi-digital-audio-development 2017-08-15T15:12:44-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/trend.jpg?v=1502849564 New trends of HIFI digital audio development https://iwistao.com/en-jp/blogs/iwistao/those-you-don-t-know-benefits-of-hifi-music 2017-08-15T15:24:13-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/HIFI_music2.jpg?v=1502850253 Those you don’t know benefits of HIFI music https://iwistao.com/en-jp/blogs/iwistao/why-do-more-audiophiles-like-class-a-tube-amplifier 2017-08-15T15:33:10-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/tube_amp.jpg?v=1502850767 Why do more audiophiles like class A tube amplifier? https://iwistao.com/en-jp/blogs/iwistao/learn-more-about-phono-stage-amplifier 2017-08-15T15:41:01-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/phono_amp.jpg?v=1502851225 Learn more about phono stage amplifier https://iwistao.com/en-jp/blogs/iwistao/how-speaker-unit-works 2017-08-15T15:50:14-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/Speaker_unit.gif?v=1502851814 How Speaker Unit Works https://iwistao.com/en-jp/blogs/iwistao/how-to-diy-your-shielded-rca-interconnect-cables 2017-08-15T15:59:18-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/rca_cable.jpg?v=1502852358 How to DIY Your Shielded RCA Interconnect Cables https://iwistao.com/en-jp/blogs/iwistao/how-to-handle-unbalance-for-left-and-right-channel-of-your-hifi-audio-system-1 2017-08-15T16:09:00-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/lis_room1_5e16e058-1087-4560-84cf-d604fd3b112f.jpg?v=1502852890 How to handle unbalance for left and right channel of your HIFI audio system? https://iwistao.com/en-jp/blogs/iwistao/typical-setup-for-a-usb-dac-system 2017-08-15T16:20:37-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/usb.jpg?v=1502853637 Typical setup for a USB DAC system https://iwistao.com/en-jp/blogs/iwistao/hifi-bluetooth-transistor-integrated-amplifier-ic-power-amplifiers-hit-market 2017-08-27T03:00:28-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/bluetooth_transistor_amp.jpg?v=1502854920 HIFI Bluetooth transistor (integrated amplifier IC) power amplifiers hit market https://iwistao.com/en-jp/blogs/iwistao/what-is-a-phono-stage-pre-amplifier 2017-08-15T18:01:32-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/phono_amp2.jpg?v=1502859692 What Is a Phono Stage Pre-Amplifier? https://iwistao.com/en-jp/blogs/iwistao/history-of-tube-amplifier 2017-08-15T18:13:19-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/WVTR-FU50.jpg?v=1502860399 History of Tube Amplifier https://iwistao.com/en-jp/blogs/iwistao/perfect-matched-iwistao-single-ended-class-a-tube-amplifier-csr8670-bluetooth4-0-decoder-stereo-32bit-dac 2017-10-01T21:40:16-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/BT_deoder_Tube_amp_86.jpg?v=1506933604 Perfect Matched--- IWISTAO Single-ended Class A Tube Amplifier + CSR8670 Bluetooth4.0 Decoder Stereo 32bit DAC https://iwistao.com/en-jp/blogs/iwistao/a-video-of-iwistao-hifi-bluetooth-4-2-decoder-stereo-csr64215-dac-es9023-hardware-decoding-apt-x-cd 2017-10-24T18:46:18-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/WHFBR-A64215_800X800_21.jpg?v=1508903649 A Video of IWISTAO HIFI Bluetooth 4.2 Decoder Stereo CSR64215 DAC ES9023 Hardware Decoding APT-X CD https://iwistao.com/en-jp/blogs/iwistao/iwistao-hifi-2-inches-2x10w-full-range-speaker-wooden-labyrinth-structure-cabinet 2018-01-04T19:41:37-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/WHFRSC-SL2_800.jpg?v=1515134357 IWISTAO HIFI 2 Inches 2X10W Full Range Speaker Wooden Labyrinth Structure Cabinet https://iwistao.com/en-jp/blogs/iwistao/iwistao-hifi-pure-tube-earphone-amplifier-with-black-voice-6n3-srpp-drive-6n5p-32-600-ohms 2018-02-02T21:28:49-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/Black_voice.jpg?v=1517646328 IWISTAO HIFI Pure Tube Earphone Amplifier with Black Voice 6N3 SRPP Drive 6N5P 32- 600 Ohms https://iwistao.com/en-jp/blogs/iwistao/music-compression-format-and-acoustics 2018-02-12T17:48:18-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/FORMAT1.jpg?v=1518497234 Music Compression Format and Acoustics https://iwistao.com/en-jp/blogs/iwistao/common-formats-of-music-compression 2018-02-12T17:58:58-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/MFORMAT1.jpg?v=1518497915 Common Formats of Music Compression https://iwistao.com/en-jp/blogs/iwistao/bluetooth-audio-decoder-with-hardware-decoding 2018-02-12T22:43:36-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/BT_decoder.jpg?v=1518514838 Bluetooth Audio Decoder with Hardware Decoding https://iwistao.com/en-jp/blogs/iwistao/relationship-between-audio-system-hearing-sense 2018-02-12T22:57:38-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/audio_sence_1.jpg?v=1518515691 Relationship Between Audio System & Hearing Sense https://iwistao.com/en-jp/blogs/iwistao/why-do-audiophiles-like-class-a-tube-amplifier 2018-02-12T23:22:29-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/setube1.jpg?v=1518517312 Why do audiophiles like class A tube amplifier? https://iwistao.com/en-jp/blogs/iwistao/what-is-aptx 2018-02-12T23:35:43-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/apt-x.jpg?v=1518518056 What is aptX? https://iwistao.com/en-jp/blogs/iwistao/video-demo-iwistao-hifi-preamplifier-tone-adjustment-bass-tremble-middle-plus-mini-tube-hybrid-amplifier 2018-04-14T23:17:36-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/HIFI_PREAM.jpg?v=1523787425 Video Demo: IWISTAO HIFI Preamplifier Tone Adjustment Bass Tremble Middle Plus Mini Tube Hybrid Amplifier https://iwistao.com/en-jp/blogs/iwistao/video-demo-iwistao-tube-buffer-with-voltage-amplified-tube-6j1-pre-amplifier-adopt-processing-cathode-output-circuit 2018-04-21T16:44:59-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/6j1_tube_buffer.jpg?v=1524368400 Video Demo: IWISTAO Tube Buffer with Voltage Amplified Tube 6J1 Pre-amplifier Adopt Processing Cathode Output Circuit https://iwistao.com/en-jp/blogs/iwistao/how-to-make-the-solid-wood-bluetooth-speaker-by-manual 2018-04-21T23:15:34-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/WBSM_188.jpg?v=1524391782 How to make the solid wood Bluetooth Speaker by manual https://iwistao.com/en-jp/blogs/iwistao/video-demo-2x25w-845-vacuum-tube-amplifier-300b-drive-845-single-end-class-a-6sn7-preamp-scaffolding 2018-04-25T19:22:24-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/WVTA-A845_800X800_2.jpg?v=1524723687 Video Demo: 2x25W 845 Vacuum Tube Amplifier 300B Drive 845 Single-end Class A 6SN7 Preamp Scaffolding https://iwistao.com/en-jp/blogs/iwistao/video-demo-iwistao-tube-preamplifier-matisse-circuit-2x6n3-pmma-casing-black-piano-paint-musical-flavor-hifi 2026-03-17T12:26:39-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/iScreen_Shoter_-_ChatGPT_Atlas_-_260318072427_bf023ca6-3e67-4507-9dab-ffa516cb7714.jpg?v=1773789999 Video Demo: IWISTAO Tube Preamplifier Matisse Circuit 2x6N3 PMMA Casing Black Piano Paint Musical Flavor HIFI https://iwistao.com/en-jp/blogs/iwistao/vidie-demo-hifi-cd-player-plus-iwistao-hifi-mini-tube-hybrid-amplifier-bluetooth-4-0 2018-05-12T16:33:00-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/WCDP-CDMU3_800X800_ST.jpg?v=1526181875 Vidie Demo: HIFI CD Player Plus IWISTAO HIFI MINI Tube Hybrid Amplifier Bluetooth 4.0 https://iwistao.com/en-jp/blogs/iwistao/related-sizes-and-installation-of-iwistao-output-transformer 2018-05-20T22:13:21-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/Spec.jpg?v=1526893965 Related sizes and installation of IWISTAO Output Transformer https://iwistao.com/en-jp/blogs/iwistao/general-power-and-size-for-iwistao-dedicated-hifi-toroidal-transformer 2018-05-25T20:15:43-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/17e48d46fd1f72c29c949f13330b7f0c.jpg?v=1527318943 General Power and Size for IWISTAO Dedicated HIFI Toroidal Transformer https://iwistao.com/en-jp/blogs/iwistao/how-to-connect-wires-for-output-transformer-with-ultra-linear-tap 2018-05-28T19:48:45-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/Wire_Connection_Diagram_of_UL_Transformer.jpg?v=1527576393 How to Connect Wires for Output Transformer with Ultra-Linear Tap https://iwistao.com/en-jp/blogs/iwistao/what-is-b-p-g-for-tube-amplifier-output-transformer 2018-06-26T11:53:51-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/WVTRPP-OT30W_800x800_3.jpg?v=1529914096 What is B, P, G for tube amplifier output transformer? https://iwistao.com/en-jp/blogs/iwistao/iwistao-fu50-small-300b-vacuum-tube-amplifier-2x8w-single-ended-class-a-finished-board-kit 2018-10-17T21:31:20-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/WVT-FU50K_t_1.jpg?v=1539850430 IWISTAO FU50 Small 300B 2x8W Vacuum Tube Amplifier Finished Board Kit Single-ended Class A DIY Free Tuning https://iwistao.com/en-jp/blogs/iwistao/vacuum-tube-selection 2018-10-29T15:44:32-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/Tubes_FB.jpg?v=1540867423 Vacuum Tube Selection https://iwistao.com/en-jp/blogs/iwistao/the-song-of-california-hotel-came-from-so-small-enclosure-with-powerful-bass 2018-10-30T19:15:39-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/CH.jpg?v=1540966377 The Song of California Hotel came from so small enclosure with powerful bass https://iwistao.com/en-jp/blogs/iwistao/bluetooth-5-0-decoder-mono-fu50-single-ended-tube-amplifier-hifi-3-inch-full-range-speaker 2018-12-22T02:29:53-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/IMG_1776.JPG?v=1545485159 Bluetooth 5.0 Decoder + Mono FU50 Single-ended Tube Amplifier + HIFI 3 Inch Full Range Speaker https://iwistao.com/en-jp/blogs/iwistao/how-to-measure-and-calculate-output-power-of-power-amplifier 2019-01-02T15:49:00-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/measurement_cd.jpg?v=1546483712 How to measure and calculate output power of power amplifier https://iwistao.com/en-jp/blogs/iwistao/how-to-diy-your-speaker-interconnection-cable 2019-03-11T02:58:43-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/IWISTAO-SPKCC11.jpg?v=1552302351 How to DIY Your Speaker Interconnection Cable https://iwistao.com/en-jp/blogs/iwistao/how-to-diy-your-full-range-labyrinth-speakers 2025-09-09T13:03:19-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/HTDIY16_ef070a0f-0e5b-4696-94de-f644a65e331b.jpg?v=1757462599 How to DIY your full range labyrinth speakers https://iwistao.com/en-jp/blogs/iwistao/diy-labyrinth-speaker-with-iwistao-cabinets-from-pioneer-pe12-monster-alnico 2025-09-09T13:01:54-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/al_8c68436f-4267-4dfb-9f88-1c3603affe9d.jpg?v=1757462514 DIY Labyrinth Speaker with IWISTAO cabinets from Pioneer PE12 monster alnico https://iwistao.com/en-jp/blogs/iwistao/7-in-1-classic-vintage-gramophone-vinyl-record-vintage-cd-player-retro-fm-radio-bluetooth-speaker 2019-12-25T16:05:12-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/DCJ.jpg?v=1577329512 7 In 1 Classic Vintage Gramophone Vinyl Record Vintage CD Player Retro FM Radio Bluetooth Speaker https://iwistao.com/en-jp/blogs/iwistao/review-of-iwistao-whfsc-fr565wlc-6-5-speaker-cabinets-with-mark-hi-fi-6-5-metal-cone-drivers 2025-09-09T13:00:25-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/WHFSC-FR565WLC-6.5_F_33df812e-e6d9-4142-b0f2-62790e37189a.jpg?v=1757462425 Review of IWISTAO WHFSC-FR565WLC-6.5 Speaker cabinets with MARK HI-FI 6.5” Metal Cone Drivers https://iwistao.com/en-jp/blogs/iwistao/the-cantonese-song-the-love-riverside-from-300b-tube-power-amplifier-cd-player-passive-preamplifier-iwistao-6-5-inches-full-range-labyrinth-speaker 2025-09-09T12:58:26-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/300B_789856ac-31f9-4c7e-9839-1b30e70358e7.jpg?v=1757462306 The Cantonese song "The Love Riverside" from 300B tube power amplifier + CD player + passive preamplifier + IWISTAO 6.5 inches full range labyrinth speaker https://iwistao.com/en-jp/blogs/iwistao/california-hotel-from-iwistao-hifi-m6-5-labyrinth-speaker-300b-tube-amplifier 2026-03-17T04:43:43-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/m6.5_8d068acb-aeae-47ae-8596-c3ef80b90eed.jpg?v=1773762223 California hotel from IWISTAO HIFI M6.5 labyrinth speaker + 300B Tube Amplifier https://iwistao.com/en-jp/blogs/iwistao/diy-iwistao-hifi-5-inch-full-range-speaker-unit-labyrinth-cabinet-kit 2025-09-09T12:56:07-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/5inch_lyth1_4cd70f7f-604f-4c59-be4c-49b40bffd717.jpg?v=1757462167 DIY IWISTAO HIFI 5 Inch Full Range Speaker Unit Labyrinth Cabinet Kit https://iwistao.com/en-jp/blogs/iwistao/how-to-drill-the-holes-for-iwistao-empty-speaker-cabinets 2025-09-09T12:55:11-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/WHFSC-2W65XJEC_A_1119b330-f14b-49f2-aadd-598e6aeab1b0.jpg?v=1757462111 How to drill the holes for IWISTAO Empty Speaker Cabinets https://iwistao.com/en-jp/blogs/iwistao/how-vacuum-tube-6e2-connect-with-iwistao-tube-fm-board 2022-09-18T16:55:36-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/6E2.jpg?v=1663558806 How Vacuum Tube 6E2 Connect with IWISTAO Tube FM Board https://iwistao.com/en-jp/blogs/iwistao/nobody-but-you-from-iwistao-hifi-4-inch-full-range-labyrinth-speaker 2025-09-09T12:54:07-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/iShot_2022-09-24_18.04.07.png?v=1757462047 Nobody but you from IWISTAO HIFI 4 Inch Full Range Labyrinth Speaker https://iwistao.com/en-jp/blogs/iwistao/why-some-audiophiles-like-to-choose-electronic-crossover 2022-10-27T17:14:14-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/WHF-PACR02A.jpg?v=1666930442 Why some audiophiles like to choose electronic crossover？ https://iwistao.com/en-jp/blogs/iwistao/brief-of-vacuum-tube-models-and-replacement 2022-11-21T19:52:50-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/Tube_preamplifier.jpg?v=1669099970 Brief of Vacuum Tube Models and Replacement https://iwistao.com/en-jp/blogs/iwistao/video-demo-iwistao-2-way-6-5-inch-labyrinth-empty-speaker-cabinet-enclosure-1-pair-varnished-panel-7-shaped-structure-insider 2023-06-28T20:17:09-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/IWISTAO-2-Way-6-5-Inch-Labyrinth-Empty-Speaker-Cabinet-Enclosure-1-Pair-Varnished-Panel-7_1.jpg?v=1688023029 Video Demo --- IWISTAO 2 Way 6.5 Inch Labyrinth Empty Speaker Cabinet Enclosure 1 Pair Varnished Panel 7-shaped Structure Insider https://iwistao.com/en-jp/blogs/iwistao/craft-your-dream-sound-iwistaos-diy-bookshelf-speaker-cabinets 2025-09-09T12:52:31-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/IWISTAO_6.5_Inch_diamond_conner_empty_speaker_cabinet_1.jpg?v=1757461951 Craft Your Dream Sound: IWISTAO's DIY Bookshelf Speaker Cabinets https://iwistao.com/en-jp/blogs/iwistao/circuit-diagram-of-iwistao-fm-single-decoding-board-mono-to-stereo-la3401-connect-to-if-amplifier 2024-03-09T17:06:03-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/IWISTAO-FM-Single-Decoding-Board-Mono-to-Stereo-LA3401-for-Intermediate-Frequency-Amplifier-HIFI-Audio-DIY_1.jpg?v=1710043449 Circuit Diagram of IWISTAO FM Single Decoding Board Mono to Stereo LA3401 Connect to IF Amplifier https://iwistao.com/en-jp/blogs/iwistao/feel-the-bass-why-you-need-a-subwoofer-for-a-richer-audio-experience 2024-04-06T22:28:03-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/WHFSC-SWP1050W.jpg?v=1712479677 Feel the Bass: Why You Need a Subwoofer for a Richer Audio Experience https://iwistao.com/en-jp/blogs/iwistao/how-to-connect-the-wires-between-adjustable-crossover-and-full-range-speaker 2024-07-06T20:03:45-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/crossover.jpg?v=1720334349 How to connect the wires between adjustable crossover and full range speaker https://iwistao.com/en-jp/blogs/iwistao/the-enduring-legacy-of-the-ls3-5a-speaker-a-diy-guide 2026-01-20T21:00:28-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/LS35A_7_1_90f8c5f1-e0e1-4a67-b537-d2de4c471850.jpg?v=1768982428 The Enduring Legacy of the LS3/5A Speaker: A DIY Guide https://iwistao.com/en-jp/blogs/iwistao/exploring-the-6p14-single-ended-amplifier-circuit 2025-02-01T17:30:34-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/se_classa_6p14.jpg?v=1738470634 Exploring the 6P14 Single - Ended Amplifier Circuit https://iwistao.com/en-jp/blogs/iwistao/tuning-the-10-7mhz-intermediate-frequency-in-vacuum-tube-fm-radios 2025-02-22T17:03:51-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/OSC_0553ee46-47b1-4879-8f32-62eae0b95fb7.jpg?v=1740283431 Tuning the 10.7MHz Intermediate Frequency in Vacuum Tube FM Radios https://iwistao.com/en-jp/blogs/iwistao/the-manufacturing-process-of-a-speaker-driver-6 2025-04-28T16:34:32-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/speaker_components.jpg?v=1745897672 The Manufacturing Process of a Speaker Driver https://iwistao.com/en-jp/blogs/iwistao/speaker-crossover-design-principles-and-practice 2025-05-26T12:19:28-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/IWISTAO-2-Way-Crossover-Max-Power-350W-Crossover-point-2-8-KHz-4-8ohm-Speakers-Unit_feb25f54-58e8-446e-a715-52fa549421e9.jpg?v=1748301568 Speaker Crossover Design: Principles and Practice https://iwistao.com/en-jp/blogs/iwistao/design-principles-of-2-way-phase-inverted-loudspeakers 2025-09-09T12:50:08-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/IMG_0414_c0ddcf70-ed41-414f-968e-66b4370ea550.jpg?v=1757461808 Design Principles of 2-Way Phase-Inverted Loudspeakers https://iwistao.com/en-jp/blogs/iwistao/lm1875-vs-tda2030a-power-amplifier-boards-a-straightforward-comparison-for-diy-audio-enthusiasts 2025-05-27T19:40:57-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/IWISTAO_LM1875_Parallel_Power_Amplifier_Board_2x50W_Stereo_HIFI_Audio_DIY_1.jpg?v=1748414457 LM1875 vs. TDA2030A Power Amplifier Boards: A Straightforward Comparison for DIY Audio Enthusiasts https://iwistao.com/en-jp/blogs/iwistao/looking-for-the-perfect-8-inch-speaker-enclosure-for-your-diy-project 2025-09-09T12:45:07-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/iScreen_Shoter_-_Doubao_-_250528105737_1d7ff129-aa41-4227-90ea-d60ae0520123.jpg?v=1757461507 Looking for the Perfect 8-inch Speaker Enclosure for Your DIY Project? https://iwistao.com/en-jp/blogs/iwistao/unleash-audiophile-passion-with-iwistao-lm1875-exceptional-amplifier 2025-05-27T20:06:43-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/iScreen_Shoter_-_Doubao_-_250528150456_46d4de61-ddca-4657-9dbb-45c22744cbcb.jpg?v=1748416003 Unleash Audiophile Passion with IWISTAO LM1875 Exceptional Amplifier https://iwistao.com/en-jp/blogs/iwistao/michael-jacksons-iconic-song-bad-from-iwistao-hifi-power-amplifier-80wx2-stereo-nbsp-nap140-nbsp 2025-05-27T20:15:37-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/WHFFA-NAP140_a6e282d8-2919-4743-a3ed-bb72cc83d948.webp?v=1748416537 Michael Jackson's iconic song "Bad" from IWISTAO HIFI Power Amplifier 80Wx2 Stereo NAP140  https://iwistao.com/en-jp/blogs/iwistao/rediscovering-golden-age-sound-iwistao-fu29-tube-amplifier 2025-05-27T20:29:26-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/iScreen_Shoter_-_Doubao_-_250528152629.jpg?v=1748417366 Rediscovering Golden Age Sound: IWISTAO FU29 Tube Amplifier IWISTAO 2X40W Vacuum Tube Amplifier Pull Push FU29 Power Stage 6N2 Preamp Bluetooth 5.0 Whole Aluminum Chassis https://iwistao.com/en-jp/blogs/iwistao/the-role-of-choke-coils-in-tube-amplifiers 2025-05-28T03:21:39-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/iScreen_Shoter_-_-_250528221650_32affd6b-3f90-4bd1-8470-0f174a5f777c.jpg?v=1748442099 The Role of Choke Coils in Tube Amplifiers https://iwistao.com/en-jp/blogs/iwistao/the-application-of-r-type-power-transformers-in-high-end-audio-systems 2025-05-28T03:32:02-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/iScreen_Shoter_-_-_250528222949_86e5c5fc-79dd-4f0c-a2ce-f6409cd1a331.jpg?v=1748442722 The Application of R-Type Power Transformers in High-End Audio Systems https://iwistao.com/en-jp/blogs/iwistao/enhancing-audio-with-an-external-high-frequency-wood-horn-the-perfect-companion-for-full-range-and-mid-bass-speaker-speakers 2025-09-09T12:34:26-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/DM_20250428150513_001_b909646f-3724-41c2-afcc-d4ac0e0122b7.jpg?v=1757460866 Enhancing Audio with an External High-Frequency Wood Horn: The Perfect Companion for Full-Range and Mid-bass speaker Speakers https://iwistao.com/en-jp/blogs/iwistao/analysis-of-the-advantages-and-disadvantages-of-using-ed-double-c-type-transformer-cores-for-transformers-in-tube-amplifiers 2025-05-28T21:40:41-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/IWISTAO_Double_C_Transformer_Core_Kit_For_Tube_Amplifier_Power_and_Output_Transformer_Multiple_Sizes_HIFI_Audio_DIY_1_a58dcd84-3cca-4992-a915-3e9d58cd01f0.jpg?v=1748508041 Analysis of the Advantages and Disadvantages of Using ED Double C-Type Transformer Cores for Transformers in Tube Amplifiers https://iwistao.com/en-jp/blogs/iwistao/how-to-choose-the-right-speaker-cables-a-comprehensive-guide 2025-05-29T02:49:34-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/iScreen_Shoter_-_-_250529212012_e43092ce-676a-4b8d-b400-37f1d3bc5bbc.jpg?v=1748526574 How to Choose the Right Speaker Cables: A Comprehensive Guide https://iwistao.com/en-jp/blogs/iwistao/tube-buffer-preamplifiers-understanding-the-classic-audio-technology 2025-05-29T19:41:18-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/iScreen_Shoter_-_-_250530142718_ae55d987-6a9e-4799-ae75-98b42efadb50.jpg?v=1748587278 Tube Buffer Preamplifiers: Understanding the Classic Audio Technology https://iwistao.com/en-jp/blogs/iwistao/fu29-push-pull-tube-amplifier-a-deep-dive-into-vacuum-tube-audio 2025-06-02T02:52:40-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/FU29_13d78149-e7cf-4fbe-a02f-3a57cd2ed23a.jpg?v=1748872360 Vacuum Tube FU29 Push-Pull Tube Amplifier: A Deep Dive into Vacuum Tube Audio https://iwistao.com/en-jp/blogs/iwistao/understanding-transmission-line-speakers-theory-design-and-applications 2025-09-09T12:33:35-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/iScreen_Shoter_-_-_250606141715_547b1b25-d1e2-48c5-acec-c8210ea8d855.jpg?v=1757460815 Understanding Transmission Line Speakers: Theory, Design, and Applications https://iwistao.com/en-jp/blogs/iwistao/a-brief-history-of-radio-technology-from-crystal-sets-to-dsp-receivers 2025-06-14T02:00:51-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/iScreen_Shoter_-_-_250614204700_3802849d-df80-4f01-9367-25f08e3b461e.jpg?v=1749906051 A Brief History of Radio Technology: From Crystal Sets to DSP Receivers https://iwistao.com/en-jp/blogs/iwistao/a-brief-history-of-the-vacuum-tube-the-glowing-heart-of-early-electronics 2025-06-14T17:53:18-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/iScreen_Shoter_-_-_250615124213_3a4a9c89-1a5b-491a-80bb-c48863dcbd23.jpg?v=1749963198 A Brief History of the Vacuum Tube: The Glowing Heart of Early Electronics https://iwistao.com/en-jp/blogs/iwistao/the-allure-of-open-baffle-speakers-a-return-to-the-essence-of-sound 2025-09-09T13:04:52-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/iScreen_Shoter_-_-_250617163324_dc4a3753-15d2-485f-a272-ab1ccad56847.jpg?v=1757462692 The Allure of Open Baffle Speakers: A Return to the Essence of Sound https://iwistao.com/en-jp/blogs/iwistao/the-unsung-hero-demystifying-the-passive-preamplifier 2025-06-20T15:24:44-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/iScreen_Shoter_-_-_250621095432_2d3ab1e8-0236-40e2-890e-b6b4b689898d.jpg?v=1750472684 The Unsung Hero: Demystifying the Passive Preamplifier https://iwistao.com/en-jp/blogs/iwistao/the-heartbeat-of-vintage-sound-unveiling-if-transformers-in-vacuum-tube-fm-radios 2025-06-20T22:40:44-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/mid_cycle_inductances_800_x_800_b779df09-f1b7-4b18-83c0-94eb356c0724.jpg?v=1750498844 The Heartbeat of Vintage Sound: Unveiling IF Transformers in Vacuum Tube FM Radios https://iwistao.com/en-jp/blogs/iwistao/waves-through-time-a-deep-dive-into-the-inner-workings-of-the-classic-red-light-711-tube-radio 2025-06-21T23:56:06-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/Red_light_711_u_1_3cda91ca-4fd0-422b-bd10-53f2f54eac5d.jpg?v=1750589766 Waves Through Time: A Deep Dive into the Inner Workings of the Classic "Red Light 711" Tube Radio https://iwistao.com/en-jp/blogs/iwistao/the-workhorse-and-the-virtuoso-a-tale-of-two-op-amps-tl084-vs-opa2604 2025-07-06T23:25:32-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/iScreen_Shoter_-_Acrobat_Reader_-_250707181619.jpg?v=1751883932 The Workhorse and the Virtuoso: A Tale of Two Op-Amps, TL084 vs. OPA2604 https://iwistao.com/en-jp/blogs/iwistao/more-than-a-tube-why-audio-notes-300b-amps-are-an-audiophile-cult 2025-07-20T16:16:28-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/iScreen_Shoter_-_-_250721111030_984939cb-1ec0-4a59-9ad3-488d1c31d2b1.jpg?v=1753067788 More Than a Tube: Why Audio Note's 300B Amps Are an Audiophile Cult https://iwistao.com/en-jp/blogs/iwistao/beyond-the-box-my-journey-into-iwistaos-transmission-line-speakers 2025-09-09T12:09:36-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/DM_20250729144729_002_670ad6b8-0762-4189-a776-c6d8424f5651.jpg?v=1757459376 Beyond the Box: My Journey into IWISTAO's Transmission Line Speakers https://iwistao.com/en-jp/blogs/iwistao/mastering-the-build-how-to-design-a-bass-reflex-speaker-for-your-full-range-driver 2025-09-09T12:14:58-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/IWISTAO-HIFI-6-5-Inch-Full-Range-Speaker-Unit-Empty-Cabinet-1-Pair-Birch-Multi-Layer_03fb41e7-6724-484a-9dd3-82b92d4a59b6.jpg?v=1757459698 Mastering the Build: How to Design a Bass-Reflex Speaker for Your Full-Range Driver https://iwistao.com/en-jp/blogs/iwistao/the-sound-of-power-a-deep-dive-into-triode-vs-ultralinear-tube-amp-outputs 2025-08-08T20:43:54-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/3-_The_Sound_of_Power-_A_Deep_Dive_into_Triode_vs._Ultralinear_Tube_Amp_Outputs_6bde58a2-0976-4e5d-9643-1a3f18662ae9.jpg?v=1754725434 The Sound of Power: A Deep Dive into Triode vs. Ultralinear Tube Amp Outputs https://iwistao.com/en-jp/blogs/iwistao/the-allure-of-the-hyperbolic-horn-a-deep-dive-into-acoustic-excellence 2025-09-09T12:28:16-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/HORN1_539ab3d7-2ffb-43fb-a0b4-c74d637add34.jpg?v=1757460496 The Allure of the Hyperbolic Horn: A Deep Dive into Acoustic Excellence https://iwistao.com/en-jp/blogs/iwistao/the-charm-of-hyperbolic-wooden-horns-a-deep-dive-into-design-and-sound 2025-09-09T12:26:33-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/horn_freq_response_999bbb25-bd27-436c-a3f3-8549154e46c0.png?v=1757460393 The Charm of Hyperbolic Wooden Horns: A Deep Dive into Design and Sound https://iwistao.com/en-jp/blogs/iwistao/building-a-vintage-sound-power-amp-with-the-3ad56-germanium-transistor 2025-08-21T17:42:59-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/a0aa869956dce78f2b58e5f4303b0950_6cf1311a-0242-47bd-93aa-0f32588a7899.webp?v=1755837779 Building a Vintage Sound Power Amp with the 3AD56 Germanium Transistor https://iwistao.com/en-jp/blogs/iwistao/the-6j1-tube-preamp-a-deep-dive-into-the-cult-classic-of-diy-audio 2025-08-21T23:03:05-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/6j1_iwistao_tube_preamlifier_a49bac27-87b5-490a-a43b-6ed3aa53e325.jpg?v=1755856985 The 6J1 Tube Preamp: A Deep Dive into the Cult Classic of DIY Audio https://iwistao.com/en-jp/blogs/iwistao/the-heart-of-harmony-a-deep-dive-into-push-pull-output-transformers 2025-08-26T21:41:22-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/IWISTAO_pull_push_OPT_with_UL_tap_7859d61d-8a30-4225-97fd-3668e0e204d8.jpg?v=1756284082 The Heart of Harmony: A Deep Dive into Push-Pull Output Transformers https://iwistao.com/en-jp/blogs/iwistao/the-heart-of-push-pull-power-understanding-output-transformer-wiring 2025-08-27T16:33:36-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/FU50_pull-push_tube_amplifier_diagram1_d1cf1a63-2887-4231-b483-98c91f86cbaa.jpg?v=1756352016 The Heart of Push-Pull Power: Understanding Output Transformer Wiring https://iwistao.com/en-jp/blogs/iwistao/marantz-m7-the-legendary-tube-preamplifier-that-defined-an-era 2026-02-25T20:48:16-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/IWISTAO_5881A_plus_Marantz_7_preamplifier_cf9773b0-9fa3-498e-99b0-29660851e82d.jpg?v=1772092096 Marantz M7: The Legendary Tube Preamplifier That Defined an Era https://iwistao.com/en-jp/blogs/iwistao/from-specs-to-sound-a-diy-guide-to-designing-the-perfect-sealed-speaker-enclosure 2025-09-09T12:20:09-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/sealed_speaker_bookshelf_862809ae-38da-4ec3-a83a-075d8323d343.jpg?v=1757460009 From Specs to Sound: A DIY Guide to Designing the Perfect Sealed Speaker Enclosure https://iwistao.com/en-jp/blogs/iwistao/understanding-tpa3116-the-complete-guide-to-the-tiny-giant-of-class-d-audio 2025-09-02T21:16:17-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/IWISTAO_TPA3116_subwoofer_100w.png?v=1756887377 Understanding TPA3116: The Complete Guide to the Tiny Giant of Class D Audio https://iwistao.com/en-jp/blogs/iwistao/beyond-the-pure-signal-rediscovering-the-joy-of-preamps-with-tone-controls 2025-09-04T13:19:16-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/IWISTAO_HIFI_Preamplifier_Tone_Adjustment_Bass_Tremble_Middle_OPA2604_LME49720_5cad81d2-d764-444b-9119-92e428dba9ae.jpg?v=1757031556 Beyond the Pure Signal: Rediscovering the Joy of Preamps with Tone Controls https://iwistao.com/en-jp/blogs/iwistao/hifi-xlr-cable-explained-the-audiophile-s-guide-to-balanced-audio 2025-09-05T04:11:29-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/IWISTAO_HIFI_XLR_Cab_le.jpg?v=1757085089 HiFi XLR Cable Explained: The Audiophile’s Guide to Balanced Audio https://iwistao.com/en-jp/blogs/iwistao/the-matisse-tube-preamplifier-a-deep-dive-into-a-hi-fi-legend 2025-09-07T02:31:16-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/WVPA2069U_4l_de01fee3-8efd-4317-9e39-096e5a003f27.jpg?v=1757251876 The Matisse Tube Preamplifier: A Deep Dive into a Hi-Fi Legend https://iwistao.com/en-jp/blogs/iwistao/subwoofer-setup-guide-placement-crossover-and-tuning-tips-for-perfect-bass 2025-09-07T22:21:32-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/Subwoofer1_0984bfc1-7fae-47db-951e-049ba739d7e8.jpg?v=1757323292 Subwoofer Setup Guide: Placement, Crossover, and Tuning Tips for Perfect Bass https://iwistao.com/en-jp/blogs/iwistao/a-diy-guide-building-a-power-transformer-for-an-el34b-push-pull-tube-amplifier 2025-09-08T21:39:40-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/el34_power_transformer_22cf1df1-6c58-43e6-a5f1-f144fd5a0e48.jpg?v=1757407180 A DIY Guide: Building a Power Transformer for an EL34B Push-Pull Tube Amplifier https://iwistao.com/en-jp/blogs/iwistao/building-a-6sl7-driven-el34-single-ended-amplifier-a-deep-dive-into-classic-tube-tone 2025-09-10T20:49:05-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/6SL7_DRIVE_EL34_2_1_cc256ce3-150a-4e57-82e0-f0b941bf8eb1.jpg?v=1757576945 Building a 6SL7-Driven EL34 Single-Ended Amplifier: A Deep Dive into Classic Tube Tone https://iwistao.com/en-jp/blogs/iwistao/unlocking-superior-audio-the-4-over-3-winding-method-for-tube-amplifier-output-transformers 2025-09-11T20:01:32-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/IWISTAO_2A3_Output_Transformer_C_Type_Single-ended_British_Amorphous_8C_Core_Pr_2.5K_Se_0-4-8.png?v=1757660492 Unlocking Superior Audio: The 4-Over-3 Winding Method for Tube Amplifier Output Transformers https://iwistao.com/en-jp/blogs/iwistao/the-833-fu33-vacuum-tube-in-high-fidelity-amplifiers 2025-09-16T20:37:17-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/WVT-NFC833_5L_800c7325-c738-4cf7-89ae-1fe5333d124a.jpg?v=1758094637 The 833 (FU33) Vacuum Tube in High-Fidelity Amplifiers https://iwistao.com/en-jp/blogs/iwistao/the-best-of-both-worlds-hybrid-amplifiers-with-tube-preamps-and-transistor-power-stages 2025-09-18T04:16:39-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/WBVT3101_Hybrid_amp_77ad0175-b48a-4fb2-97b1-2f89686363e0.jpg?v=1758208599 The Best of Both Worlds: Hybrid Amplifiers with Tube Preamps and Transistor Power Stages https://iwistao.com/en-jp/blogs/iwistao/the-ultimate-upgrade-exploring-amorphous-c-core-output-transformers-for-the-300b-tube-amp 2025-09-19T03:22:16-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/IWISTAO_3OOB_SE_OPT_514bdcb3-f1b5-44c5-bbc7-9140b3fe9482.jpg?v=1758291736 The Ultimate Upgrade? Exploring Amorphous C-Core Output Transformers for the 300B Tube Amp https://iwistao.com/en-jp/blogs/iwistao/the-titans-of-tone-a-comparative-guide-to-211-845-813-and-811-vacuum-tubes 2025-09-21T20:51:02-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/813_3133ad10-e58c-4bc1-b9d5-2b123d7a7704.jpg?v=1758527462 The Titans of Tone: A Comparative Guide to 211, 845, 813, and 811 Vacuum Tubes https://iwistao.com/en-jp/blogs/iwistao/the-6p1-vacuum-tube-a-vintage-gem-for-small-power-amplifiers 2025-09-22T22:49:11-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/6p1_parallel_se_amp_4821e28a-8d96-4758-a9f7-ac6c953381ff.jpg?v=1758620951 The 6P1 Vacuum Tube: A Vintage Gem for Small Power Amplifiers https://iwistao.com/en-jp/blogs/iwistao/design-and-analysis-of-a-6n3-tube-preamplifier-with-tone-control 2025-09-24T21:40:33-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/6n3_tone_preamp_b8feb0ab-16d4-42bd-ba0f-e1f793c42f4c.jpg?v=1758789633 Design and Analysis of a 6N3 Tube Preamplifier with Tone Control https://iwistao.com/en-jp/blogs/iwistao/the-enduring-glow-a-look-at-vacuum-tube-rectifiers 2025-09-25T19:09:15-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/5U4GB_701fa6d3-8b27-4525-b7e6-169eb782cb52.jpg?v=1758866955 The Enduring Glow: A Look at Vacuum Tube Rectifiers https://iwistao.com/en-jp/blogs/iwistao/beyond-the-box-the-secret-science-of-speaker-stuffing 2025-10-08T20:40:04-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/iScreen_Shoter_-_Comet_-_250929074056_a0bf8d89-4f52-442a-9147-f1cc7072193d.jpg?v=1759995604 The Invisible Upgrade: Why Speaker Stuffing Matters https://iwistao.com/en-jp/blogs/iwistao/can-the-6p15e-replace-the-6p14-el84-a-detailed-comparison 2025-09-28T15:46:19-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/Shuguang_EL84.jpg?v=1759113979 Can the 6P15E Replace the 6P14 (EL84)? A Detailed Comparison https://iwistao.com/en-jp/blogs/iwistao/from-clicks-to-crescendos-your-ultimate-guide-to-hi-fi-streaming 2025-10-03T20:42:32-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/apple_music_base_d8e6a035-a693-4df8-bb76-d85b4ec1cd71.jpg?v=1759563752 From Clicks to Crescendos: Your Ultimate Guide to Hi-Fi Streaming https://iwistao.com/en-jp/blogs/iwistao/building-a-high-fidelity-bluetooth-audio-decoder-a-deep-dive-into-the-qcc5125-and-ak4493 2025-10-03T20:40:34-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/Bluetooth_DAC_889d6f25-a82e-4826-bdaf-6fba198b0d0c.jpg?v=1759563634 Building a High-Fidelity Bluetooth Audio Decoder: A Deep Dive into the QCC5125 and AK4493 https://iwistao.com/en-jp/blogs/iwistao/the-toroidal-transformer-the-heartbeat-of-high-fidelity-amplifiers 2025-10-07T02:14:06-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/t_transformer_82826d80-831c-4667-8272-be133b30a109.jpg?v=1759842846 The Toroidal Transformer: The Heartbeat of High-Fidelity Amplifiers https://iwistao.com/en-jp/blogs/iwistao/the-magic-mouse-dock-an-essential-fix-for-apples-flawed-beauty 2025-10-13T21:55:16-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/WTC-AMM3_e39fe006-186f-442e-8c02-01f2dcdba2a3.jpg?v=1760432116 The Magic Mouse Dock: An Essential Fix for Apple's Flawed Beauty https://iwistao.com/en-jp/blogs/iwistao/the-enduring-legend-of-the-tda1514a-why-this-90s-hi-fi-chip-still-rocks 2025-10-14T00:29:35-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/WHF-PABF1514_1_a7869811-d7d5-41b1-945a-40a54b0f1deb.jpg?v=1760441375 The Enduring Legend of the TDA1514A: Why This 90s Hi-Fi Chip Still Rocks https://iwistao.com/en-jp/blogs/iwistao/the-secret-weapon-why-the-output-transformer-matters-in-your-tube-headphone-amp 2025-10-18T19:46:59-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/iScreen_Shoter_-_Opera_-_251019144310_1b1ffaa7-5cf6-44cb-ad56-e74faaf2d850.jpg?v=1760856419 The Secret Weapon: Why the Output Transformer Matters in Your Tube Headphone Amp https://iwistao.com/en-jp/blogs/iwistao/mastering-room-acoustics-how-to-eliminate-standing-waves-without-breaking-the-bank 2025-10-19T20:49:38-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/SW11.jpg?v=1760946578 Mastering Room Acoustics: How to Eliminate Standing Waves Without Breaking the Bank https://iwistao.com/en-jp/blogs/iwistao/resonance-characteristics-analysis-and-formula-derivation-in-loudspeaker-design 2025-10-21T21:56:17-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/IMG_0411_3d2b745e-3ff5-49ed-b71f-527bc060b907.jpg?v=1761123377 Resonance Characteristics Analysis and Formula Derivation in Loudspeaker Design https://iwistao.com/en-jp/blogs/iwistao/understanding-the-differences-between-speaker-cable-audio-cable-and-microphone-cable 2025-10-22T20:33:51-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/audio_signal_cable_48_170825b2-6c1b-4f1f-a6b8-bda23afad853.jpg?v=1761204831 Understanding the Differences Between Speaker Cable, Audio Cable, and Microphone Cable https://iwistao.com/en-jp/blogs/iwistao/a-complete-guide-to-common-audio-cables-from-studio-essentials-to-hi-fi-applications 2025-10-25T22:04:13-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/1_all_e_9d0db71c-6b1f-4997-97ab-67247bc76f46.jpg?v=1761469453 A Complete Guide to Common Audio Cables: From Studio Essentials to Hi‑Fi Applications https://iwistao.com/en-jp/blogs/iwistao/a-comprehensive-guide-to-microphones-dynamic-condenser-and-ribbon 2025-10-25T22:40:17-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/moving_coil.jpg?v=1761471617 A Comprehensive Guide to Microphones: Dynamic, Condenser, and Ribbon https://iwistao.com/en-jp/blogs/iwistao/a-guide-to-power-amplifier-distortion-and-mitigation-techniques 2025-10-27T19:48:30-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/amp_distortion_803c2a8e-e815-44d2-9eee-84bb46f5807b.jpg?v=1761634110 A Guide to Power Amplifier Distortion and Mitigation Techniques https://iwistao.com/en-jp/blogs/iwistao/beyond-the-music-unlocking-sonic-purity-with-linear-power-supplies 2025-10-29T20:02:04-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/WHFPS-DC12T24_1l_5a27b0c2-761d-4fa8-89e5-05ccbce41f0c.jpg?v=1761807724 Beyond the Music: Unlocking Sonic Purity with Linear Power Supplies https://iwistao.com/en-jp/blogs/iwistao/harnessing-the-power-inside-the-secrets-of-tube-amp-transformer-shielding 2025-10-31T22:18:44-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/transformer_cover2_1bf5e6d2-a21d-4699-b411-f2bf04625258.jpg?v=1761988724 Harnessing the Power: Inside the Secrets of Tube Amp Transformer Shielding https://iwistao.com/en-jp/blogs/iwistao/understanding-different-types-of-loudspeaker-drivers 2025-11-24T19:52:21-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/Understanding_Different_Types_of_Loudspeaker_Drivers_233d4fc4-1c24-4514-aa84-93c24caad944.jpg?v=1764053541 Understanding Different Types of Loudspeaker Drivers https://iwistao.com/en-jp/blogs/iwistao/understanding-xmax-what-it-means-for-speaker-performance 2025-11-23T15:07:53-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/12_inch_full_range_speaker_unit1_50e8ef96-7c19-44c3-9daf-a5bb28e8a4f5.jpg?v=1763950073 Understanding Key Loudspeaker Parameters(10): Maximum Linear Excursion( Xma-- What It Means for Speaker Performance https://iwistao.com/en-jp/blogs/iwistao/understanding-rated-impedance-in-speakers-what-it-means-and-why-it-matters 2025-11-09T21:33:39-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/IWISTAO_4ohm_2_inch_speaker_unit_c565bca9-9332-4c3f-acb2-c1c69837e6d0.jpg?v=1762763619 Understanding Key Loudspeaker Parameters (1)-- Nominal Impedance (Zn): The Foundation of Speaker Matching https://iwistao.com/en-jp/blogs/iwistao/understanding-voice-coil-dc-resistance-re-in-loudspeakers 2025-11-09T21:42:14-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/Voice_coil_917e280c-af21-4235-adc3-b0674f80ee6e.jpg?v=1762764134 Understanding Key Loudspeaker Parameters (2): Voice Coil DC Resistance (Re)--The True Electrical Load https://iwistao.com/en-jp/blogs/iwistao/understanding-key-loudspeaker-parameters3-resonant-frequency-fo-the-heartbeat-of-a-loudspeaker 2025-11-09T22:33:33-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/4_inch_full_range_speaker_unit_828572c4-6466-42c8-ac42-4de34e0ce55c.jpg?v=1762767213 Understanding Key Loudspeaker Parameters(3): Resonant Frequency (fo)--The Heartbeat of a Loudspeaker https://iwistao.com/en-jp/blogs/iwistao/how-to-choose-the-right-capacitors-in-hi-fi-audio-equipment-to-optimize-sound-quality 2025-11-13T22:19:11-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/capacitor_0e62fe20-663d-4e8e-9c45-b525dc42ee0b.jpg?v=1763111951 How to Choose the Right Capacitors in Hi-Fi Audio Equipment to Optimize Sound Quality https://iwistao.com/en-jp/blogs/iwistao/understanding-key-loudspeaker-parameters4-total-q-factor-qts-the-balance-between-damping-and-efficiency 2025-11-14T23:34:50-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/6.5_INCH_full_range_speaker_unit_9e696cb5-2148-423a-80c5-c5aac0d79028.jpg?v=1763202890 Understanding Key Loudspeaker Parameters(4): Total Q Factor (Qts)--The Balance Between Damping and Efficiency https://iwistao.com/en-jp/blogs/iwistao/understanding-key-loudspeaker-parameters5-equivalent-compliance-volume-vas-the-air-spring-effect 2025-11-16T19:56:10-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/6.5_INCH_2_WAY_EMPTY_SPEAKER_CABINET_b101d2b9-2082-4e73-b3a9-72c2bb2fee46.jpg?v=1763362570 Understanding Key Loudspeaker Parameters(5): Equivalent Compliance Volume (Vas)--The Air Spring Effect https://iwistao.com/en-jp/blogs/iwistao/understanding-key-loudspeaker-parameters6-effective-diaphragm-diameter-din-the-relationship-between-cone-size-and-output 2025-11-18T19:37:02-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/Speaker_passive_radiator.jpg?v=1763534222 Understanding Key Loudspeaker Parameters(6): Effective Diaphragm Diameter (Din)-The Relationship Between Cone Size and Output https://iwistao.com/en-jp/blogs/iwistao/understanding-key-loudspeaker-parameters7-equivalent-moving-mass-mo-mms-the-role-of-inertia-in-speaker-response 2025-11-23T15:00:00-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/Ceramic_Film_Diaphragm_c6973d23-7db8-47e5-8246-5485d148e6b9.jpg?v=1763949600 Understanding Key Loudspeaker Parameters(7):Equivalent Moving Mass (Mo/Mms)-The Role of Inertia in Speaker Response https://iwistao.com/en-jp/blogs/iwistao/understanding-key-loudspeaker-parameters8-effective-piston-area-sd-the-relationship-between-cone-size-and-output 2025-11-23T15:43:32-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/5_INCH_FULL_RANGE_SPEAKER_UNIT_a1a46d21-fcc4-4436-8d41-4d6822cca32b.jpg?v=1763952212 Understanding Key Loudspeaker Parameters(8): Effective Piston Area (Sd)--The Relationship Between Cone Size and Output https://iwistao.com/en-jp/blogs/iwistao/understanding-key-loudspeaker-parameters9-force-factor-bl-in-loudspeakers 2025-11-23T16:01:03-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/tb-w3-2141_3_inch_full_range_speaker_unit_f58676f3-203d-4c59-9836-80befe00ca44.jpg?v=1763953263 Understanding Key Loudspeaker Parameters(9): Force Factor (Bl) in Loudspeakers https://iwistao.com/en-jp/blogs/iwistao/understanding-key-loudspeaker-parameters11-mechanical-q-factor-qms-how-suspension-controls-motion 2025-11-24T16:03:34-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/4_Inch_HIFI_Full_Range_Speaker_85e692a3-6ff1-414c-bf66-7b37daf8088b.jpg?v=1764039814 Understanding Key Loudspeaker Parameters(11): Mechanical Q Factor (Qms)--How Suspension Controls Motion https://iwistao.com/en-jp/blogs/iwistao/understanding-key-loudspeaker-parameters12-electrical-q-factor-qes-the-amplifier-s-influence-on-performance 2025-11-26T15:51:45-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/4_INCH_FULL_RANGE_SPEAKER_UINT_JP.jpg?v=1764211905 Understanding Key Loudspeaker Parameters(12): Electrical Q Factor (Qes)--The Amplifier’s Influence on Performance https://iwistao.com/en-jp/blogs/iwistao/understanding-key-loudspeaker-parameters13-mechanical-compliance-cms-in-loudspeakers 2025-11-27T20:15:42-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/MARK_3_INCH_FULL_RANGE_SPEAKER_UNIT_3430f2a6-1adc-4da8-984e-808df09193f5.jpg?v=1764314142 Understanding Key Loudspeaker Parameters(13): Mechanical Compliance (Cms) in Loudspeakers https://iwistao.com/en-jp/blogs/iwistao/understanding-key-loudspeaker-parameters14-loudspeaker-sensitivity-characteristic-sensitivity 2025-11-30T19:19:38-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/iScreen_Shoter_-_ChatGPT_Atlas_-_251201140636_916ef2c4-4beb-4aa7-832d-58fac00da1cf.jpg?v=1764569978 Understanding Key Loudspeaker Parameters(14): Loudspeaker Sensitivity (Characteristic Sensitivity) https://iwistao.com/en-jp/blogs/iwistao/understanding-key-loudspeaker-parameters15-rated-maximum-sine-wave-power-in-loudspeakers 2025-11-30T20:16:52-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/iScreen_Shoter_-_ChatGPT_Atlas_-_251201144044_341b1568-d9e0-4c99-904b-80b4d044e3f1.jpg?v=1764573412 Understanding Key Loudspeaker Parameters(15): Rated Maximum Sine Wave Power in Loudspeakers https://iwistao.com/en-jp/blogs/iwistao/understanding-key-loudspeaker-parameters16-effective-frequency-range-in-loudspeakers 2025-12-02T20:53:51-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/iScreen_Shoter_-_ChatGPT_Atlas_-_251203154924_509ed74e-80cf-4091-8999-a277ebd1d041.jpg?v=1764748431 Understanding Key Loudspeaker Parameters(16): Effective Frequency Range in Loudspeakers https://iwistao.com/en-jp/blogs/iwistao/beyond-the-sound-why-wood-wax-oil-is-the-unsung-hero-of-speaker-enclosures 2025-12-08T02:35:33-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/wax_oil_wooden_cabinet.jpg?v=1765200933 Beyond the Sound: Why Wood Wax Oil is the Unsung Hero of Speaker Enclosures https://iwistao.com/en-jp/blogs/iwistao/understanding-key-loudspeaker-parameters17-loudspeaker-directivity 2025-12-08T03:44:41-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/5_inch_brass_horn_98392515-cffe-44cd-80e8-567fcc934ef0.jpg?v=1765205081 Understanding Key Loudspeaker Parameters(17): Loudspeaker Directivity https://iwistao.com/en-jp/blogs/iwistao/how-to-read-a-polar-pattern-of-loudspeaker-directivity 2025-12-08T19:58:28-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/Loudspeaker_Directivity_Diagram_437fb985-69cc-424d-8a2a-60a28af4ab48.png?v=1765263508 How to Read a Polar Pattern of Loudspeaker Directivity https://iwistao.com/en-jp/blogs/iwistao/taming-speaker-resonance-the-engineering-behind-crystal-clear-audio 2025-12-15T16:43:02-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/Window_Bracing_of_speaker_07d11659-42f0-4b3e-925e-632f74e9527f.jpg?v=1765856582 Taming Speaker Resonance: The Engineering Behind Crystal-Clear Audio https://iwistao.com/en-jp/blogs/iwistao/professional-guide-to-sealed-loudspeaker-enclosure-design-part-1 2025-12-15T21:57:20-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/R_35A_f7f35038-d63b-404e-9ff4-f4f21eb19f23.jpg?v=1765875440 Professional Guide to Sealed Loudspeaker Enclosure Design -- Data and Chart Based Method (Part 1) https://iwistao.com/en-jp/blogs/iwistao/professional-guide-to-sealed-loudspeaker-enclosure-design-data-and-chart-based-method-part-2 2025-12-16T21:38:48-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/atc_b14f508b-8c52-4fc3-987e-0818ed5c93e7.jpg?v=1765960728 Professional Guide to Sealed Loudspeaker Enclosure Design -- Data and Chart Based Method (Part 2) https://iwistao.com/en-jp/blogs/iwistao/unwinding-the-mystery-why-inner-transformer-windings-have-lower-dc-resistance 2025-12-19T03:05:14-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/175W_TUBE_PT_e6d2f493-445a-4c36-8007-6c79055f27ec.jpg?v=1766153114 Unwinding the Mystery: Why Inner Transformer Windings Have Lower DC Resistance https://iwistao.com/en-jp/blogs/iwistao/clean-power-pure-sound-choosing-the-right-rectifier-and-filter-for-your-hi-fi-amp 2025-12-21T21:39:15-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/hifi_power_filter_cf9aee32-147a-40dd-86fb-4d2b7a7b5436.jpg?v=1766392755 Clean Power, Pure Sound: Choosing the Right Rectifier and Filter for Your Hi-Fi Amp https://iwistao.com/en-jp/blogs/iwistao/unlocking-sonic-brilliance-integrating-brass-horn-super-tweeters-into-your-hi-fi-system 2025-12-24T19:38:34-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/iScreen_Shoter_-_ChatGPT_Atlas_-_251225140525_d41bfe7e-470a-48da-aa77-94b956d70179.jpg?v=1766644714 Unlocking Sonic Brilliance: Integrating Brass Horn Super Tweeters into Your Hi-Fi System https://iwistao.com/en-jp/blogs/iwistao/how-to-assemble-super-tweeter-with-5-inch-long-brass-horn 2025-12-24T20:48:13-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/iwistao_5_inch_horn.png?v=1766648893 How to assemble super tweeter with 5 inch long brass horn https://iwistao.com/en-jp/blogs/iwistao/designing-a-40-nbsp-hz-transmission-line-loudspeaker 2025-12-29T04:02:13-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/Z_fold_TL_speaker_design_concept_drawing_4b92ce5a-956a-4c51-ab41-4f4e6addd1ad.jpg?v=1767020533 Designing a 40 Hz Transmission Line Loudspeaker https://iwistao.com/en-jp/blogs/iwistao/beyond-the-boom-the-ultimate-2025-guide-to-car-subwoofers 2025-12-29T03:39:46-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/sealed_subwoofer_a970b887-921c-4c69-8126-417691d1b9b8.jpg?v=1767019186 Beyond the Boom: The Ultimate Guide to Car Subwoofers https://iwistao.com/en-jp/blogs/iwistao/the-ultimate-guide-to-subwoofer-port-tuning-for-deep-powerful-bass 2025-12-30T03:52:47-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/Subwoofer_Port_Tuning_2_afd7e669-4a97-490e-a877-07077ceab477.jpg?v=1767106367 The Ultimate Guide to Subwoofer Port Tuning for Deep, Powerful Bass https://iwistao.com/en-jp/blogs/iwistao/building-a-high-performance-fm-tuner-a-deep-dive-into-a-classic-ic-based-design 2026-01-03T23:20:29-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/la1235.jpg?v=1767522029 Building a High-Performance FM Tuner: A Deep Dive into a Classic IC-Based Design https://iwistao.com/en-jp/blogs/iwistao/the-enduring-legacy-of-the-1969-jlh-class-a-amplifier 2026-01-04T03:20:13-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/1969_amp_f1d8d254-18c4-452b-aada-450323046c7c.jpg?v=1767536413 The Enduring Legacy of the 1969 JLH Class A Amplifier https://iwistao.com/en-jp/blogs/iwistao/a-comprehensive-guide-to-audio-power-amplifier-design 2026-01-05T20:24:52-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/IWISTAO_2X25W_Class_A_FET.png?v=1767684292 A Comprehensive Guide to Audio Power Amplifier Design https://iwistao.com/en-jp/blogs/iwistao/diy-tube-amplifier-testing-and-adjustment-a-practical-engineering-guide 2026-01-17T19:58:00-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/300b_kits_2a0e8b36-38c6-4298-866b-a86ad6212d3b.jpg?v=1768719480 DIY Tube Amplifier Testing and Adjustment --A Practical Engineering Guide https://iwistao.com/en-jp/blogs/iwistao/understanding-output-waveform-distortion-in-tube-amplifiers 2026-01-06T03:40:55-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/Oscilloscope-Based_Diagnosis_and_Adjustment_Guide_51c3c3e3-2e45-408a-8bc9-285bab7cecc3.jpg?v=1767710455 Understanding Output Waveform Distortion in Tube Amplifiers https://iwistao.com/en-jp/blogs/iwistao/overshoot-and-ringing-in-tube-amplifiers-causes-detection-square-wave-test-and-practical-adjustment-methods 2026-01-06T19:48:54-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/square_wave_testing_26c9709c-b7b7-413f-ad5a-fb52446eedc3.jpg?v=1767768534 Overshoot and Ringing in Tube Amplifiers--Causes, Detection (Square-Wave Test), and Practical Adjustment Methods https://iwistao.com/en-jp/blogs/iwistao/grounding-design-for-el34-single-ended-tube-amplifiers 2026-01-08T02:32:15-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/SE-EL34-Tube-Amp_1_37c14601-73c4-4e57-af56-19572443a75e.png?v=1767879135 Grounding Design for EL34 Single-Ended Tube Amplifiers https://iwistao.com/en-jp/blogs/iwistao/the-role-of-75-ohm-coaxial-cable-in-hi-fi-audio-systems 2026-01-12T22:10:57-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/IWISTAO_75_ohm_cable_39b5362b-19e8-42dd-ba6a-10f0370a44e6.png?v=1768295457 The Role of 75-Ohm Coaxial Cable in Hi-Fi Audio Systems https://iwistao.com/en-jp/blogs/iwistao/radio-and-the-emergence-of-a-synchronized-world 2026-01-14T22:17:03-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/FM_radio1_1168258e-a607-4eb6-8fe4-e2ce8a9c45cd.jpg?v=1768468623 Radio and the Emergence of a Synchronized World https://iwistao.com/en-jp/blogs/iwistao/el34-bias-adjustment-guide 2026-01-17T16:56:52-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/EL34_bias2-3_SE.jpg?v=1768708612 EL34 Bias Adjustment Guide (SE and PP) https://iwistao.com/en-jp/blogs/iwistao/my-ls3-5a-journey 2026-01-19T03:17:25-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/18-ls35a.png?v=1768832245 My LS3/5A Journey https://iwistao.com/en-jp/blogs/iwistao/ls3-5a-and-tube-amplifiers-a-practical-matching-experience 2026-01-19T16:23:21-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/EL34.png?v=1768879401 LS3/5A and Tube Amplifiers: A Practical Matching Experience https://iwistao.com/en-jp/blogs/iwistao/ls3-5a-cabinet-acoustic-damping-application-engineering-and-listening-notes 2026-01-20T20:51:30-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/LS35A_2_1_600x600_7e485799-2cfb-4020-aa5a-57a05b3f16a6.webp?v=1768981890 LS3/5A Cabinet Acoustic Damping: Application, Engineering and Listening Notes LS3/5A Acoustic Damping Felt for 1 Pair Cabinets- Premium Speaker Cabinet Dampening Material https://iwistao.com/en-jp/blogs/iwistao/the-ultimate-guide-to-essential-audio-cables-3-5mm-xlr-and-trs-connections 2026-01-22T22:54:41-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/6.35_to_XLR_05b8b405-206f-4a3b-9190-67d4fabff7a3.png?v=1769162081 The Ultimate Guide to Essential Audio Cables: 3.5mm, XLR, and TRS Connections https://iwistao.com/en-jp/blogs/iwistao/ls3-5a-crossover-network-analysis-design-evolution-of-the-15-and-11-versions 2026-01-27T22:12:03-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/WHF-CH235A-11E_3_96eeeb13-561e-49f1-b49c-e59f59f232af.jpg?v=1769591523 LS3/5A Crossover Network Analysis: The Evolution of 15Ω and 11Ω Circuit Design https://iwistao.com/en-jp/blogs/iwistao/the-3a5-tube-line-preamplifier 2026-01-28T21:36:21-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/3A5_tue_preamp.png?v=1769675781 The 3A5 Tube Line Preamplifier https://iwistao.com/en-jp/blogs/iwistao/decoding-the-current-a-comprehensive-guide-to-speaker-cables 2026-02-01T16:31:53-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/speaker_cable1_5a040225-99d8-46d3-9d69-ddca3e280584.png?v=1770003113 Decoding the Current: A Comprehensive Guide to Speaker Cables https://iwistao.com/en-jp/blogs/iwistao/awg-x-audio-applications-a-practical-wire-gauge-reference-for-hi-fi-and-loudspeaker-design 2026-02-01T16:40:13-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/4N_OFC_cable_0c8d1292-f096-42b8-8c75-7432e4fda528.jpg?v=1770003613 AWG × Audio Applications: A Practical Wire Gauge Reference for Hi-Fi and Loudspeaker Design https://iwistao.com/en-jp/blogs/iwistao/a-tale-of-two-rectifiers-a-deep-dive-into-the-6x5gt-and-6z5p-vacuum-tubes 2026-02-03T23:34:51-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/6z5p1_4dfe2aa4-ab5d-434b-b4a0-1ffb27d509ab.jpg?v=1770201291 A Tale of Two Rectifiers: A Deep Dive into the 6X5GT and 6Z5P Vacuum Tubes https://iwistao.com/en-jp/blogs/iwistao/the-heart-of-your-sound-system-a-deep-dive-into-speaker-cones 2026-02-07T21:06:07-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/Loudspeaker-Breakdown_44252928-0243-4fab-b751-cf07970a610b.png?v=1770537967 The Heart of Your Sound System: A Deep Dive into Speaker Cones https://iwistao.com/en-jp/blogs/iwistao/solving-standing-waves-with-acoustic-optimization-panels 2026-02-10T19:25:58-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/Acoustic_Optimization_Panels_deployed.png?v=1770791158 Solving Standing Waves with Acoustic Optimization Panels https://iwistao.com/en-jp/blogs/iwistao/from-by-feel-to-by-formula-the-legends-who-transformed-the-speaker-world 2026-02-23T15:42:38-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/R_35A1_18bf468b-d9d4-4e98-8bcc-32b35ccf5fc5.jpg?v=1771900958 From By Feel to By Formula: The Legends Who Transformed the Speaker World https://iwistao.com/en-jp/blogs/iwistao/ecl86-6gw8-vacuum-tube-the-complete-guide-for-hi-fi-builders 2026-02-24T22:09:19-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/ECL86_1_a29492ef-c0de-44cb-94a8-3495e6536f59.jpg?v=1772010559 ECL86 (6GW8) Vacuum Tube: The Complete Guide for Hi-Fi Builders https://iwistao.com/en-jp/blogs/iwistao/12ax7-vs-12ax7b-what-s-the-difference-and-which-one-is-better-for-hi-fi-audio 2026-02-25T21:13:06-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/12AX7B_2d3f21f2-7783-47f3-a272-9ba316a829ef.jpg?v=1772093586 12AX7 vs 12AX7B: What’s the Difference—and Which One Is Better for Hi-Fi Audio? https://iwistao.com/en-jp/blogs/iwistao/opt-vs-otl-the-two-defining-philosophies-in-hi-fi-tube-amplifiers 2026-02-26T19:37:59-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/IWISTAO_5881a_tube_amplifier1_8da9a0dc-cc33-48b8-9bd2-454b7fb6da71.jpg?v=1772174279 OPT vs. OTL: The Two Defining Philosophies in Hi-Fi Tube Amplifiers https://iwistao.com/en-jp/blogs/iwistao/the-history-of-hifi-audio-a-journey-through-sonic-excellence 2026-03-03T03:45:56-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/6_c44cc259-bccc-4739-a477-dfb7358f7def.jpg?v=1772549156 The History of HiFi Audio: A Journey Through Sonic Excellence https://iwistao.com/en-jp/blogs/iwistao/software-defined-radio-sdr-a-complete-practical-guide-to-i-q-sampling-portable-sdr-receivers-antennas-and-real-world-shortwave-listening 2026-03-08T21:01:28-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/WSDR-R002_N_L1_45b365b5-36c3-4b51-9f65-ac2c7c1db544.jpg?v=1773043288 Software Defined Radio (SDR): A Complete Practical Guide to I/Q Sampling, Portable SDR Receivers, Antennas, and Real-World Shortwave Listening https://iwistao.com/en-jp/blogs/iwistao/how-to-improve-shortwave-reception-on-the-malahit-dsp-sdr-v3 2026-03-06T23:03:54-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/Malahit-DSP_Stereo_Portable_SDR_Receiver_6da0d3cc-4c46-44e6-be25-451a5e34f894.png?v=1772877834 How to Improve Shortwave Reception on the Malahit DSP SDR V3 https://iwistao.com/en-jp/blogs/iwistao/mla-30-loop-antenna-setup-why-installation-matters-more-than-most-beginners-realize 2026-03-07T22:22:14-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/Magnetic_Loop_Antennas_16ed3327-fa08-4f5a-bbbf-855449ccc9e6.jpg?v=1772961734 MLA-30 Loop Antenna Setup: Why Installation Matters More Than Most Beginners Realize https://iwistao.com/en-jp/blogs/iwistao/dynamic-loudspeaker-electro-acoustic-conversion-theory-and-design-analysis 2026-03-12T20:29:26-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/louspeaker_driver_geometry_diagram_044a9274-0e41-40d6-bdd0-dc2f72b47ff9.png?v=1773386966 Principles and Design Analysis of Electroacoustic Conversion in Moving-Coil Loudspeakers https://iwistao.com/en-jp/blogs/iwistao/single-ended-output-transformers-core-size-dc-bias-and-the-art-of-the-air-gap 2026-03-16T22:22:56-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/IWISTAO_300B_OPT_5K_WITH_3.5K_02e08565-93bd-497f-9e57-7992b1658b11.jpg?v=1773739376 Single-Ended Output Transformers Core Size, DC Bias, and the Art of the Air Gap https://iwistao.com/en-jp/blogs/iwistao/output-transformers-in-vacuum-tube-push-pull-amplifiers-core-size-power-and-the-science-behind-the-iron 2026-03-18T03:54:12-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/6P1_pp_power_transformer1_f73e8e18-3cdc-44e9-b738-9d7d7c174ebf.jpg?v=1773845652 Output Transformers in Vacuum Tube Push-Pull Amplifiers--Core Size, Power, and the Science Behind the Iron https://iwistao.com/en-jp/blogs/iwistao/winding-your-own-filter-choke-for-tube-amplifiers-a-more-rigorous-engineering-guide 2026-03-18T22:30:23-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/WHFT-CH10H300BR_l2_1024x1280_crop_center_a6759392-bf19-4c18-8071-36284697fd2f.webp?v=1773912623 Winding Your Own Filter Choke for Tube Amplifiers-A More Rigorous Engineering Guide https://iwistao.com/en-jp/blogs/iwistao/the-science-of-speaker-isolation-spikes 2026-03-19T12:53:19-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/spike_6a549228-90f3-421e-9d61-29b5050ec9c5.jpg?v=1773964399 The Science of Speaker Isolation Spikes https://iwistao.com/en-jp/blogs/iwistao/how-to-choose-the-right-output-transformer-impedance 2026-03-19T15:53:53-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/iwistao_3.5k_opt.png?v=1773975233 How to Choose the Right Output Transformer Impedance https://iwistao.com/en-jp/blogs/iwistao/the-complete-diy-transistor-power-amplifier-guide-class-ab-design-bjt-vs-mosfet-bias-thermal-and-protection 2026-03-25T21:11:18-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/Pass_A30_MONO.png?v=1774512678 The Complete DIY Transistor Power Amplifier Guide: Class AB Design, BJT vs MOSFET, Bias, Thermal and Protection https://iwistao.com/en-jp/blogs/iwistao/the-complete-guide-to-speaker-protection-circuits 2026-03-26T01:06:45-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/Amp_relay_fd987b56-47aa-4dbe-bdef-c605fa929837.png?v=1774526805 The Complete Guide to Speaker Protection Circuits https://iwistao.com/en-jp/blogs/iwistao/soft-start-and-delayed-b-power-up-circuits-for-vacuum-tube-amplifiers-professional-revised-edition 2026-09-23T20:21:30-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/300B_da91bc77-0bd5-49de-9eca-e158a858fe67.jpg?v=1790234490 Soft Start and Delayed B+ Power-Up Circuits for Vacuum Tube Amplifiers — Professional Revised Edition https://iwistao.com/en-jp/blogs/iwistao/diy-stereo-300b-single-ended-amplifier-schematic-expanded-edition 2026-04-03T16:12:20-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/300b_kit2_ae1f1640-fb8d-49dc-bba2-5a950904662e.jpg?v=1775272340 DIY 300B SET Stereo Amplifier: Circuit Design, Parts List and Step-by-Step Build Guide https://iwistao.com/en-jp/blogs/iwistao/inside-the-phono-cartridge-why-mm-and-mc-use-different-generator-designs-and-often-sound-different 2026-04-04T03:45:37-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/mm1-3_4380d269-93e1-4cf8-bccb-c85c23fecfa4.png?v=1775313937 Inside the Phono Cartridge: Why MM and MC Use Different Generator Designs — and Often Sound Different https://iwistao.com/en-jp/blogs/iwistao/the-complete-guide-to-phono-preamps-unlocking-the-full-potential-of-your-vinyl-collection 2026-04-06T02:27:33-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/mm1-1_bb30997f-f760-4f59-95d0-fb3a6c77c657.png?v=1775482053 The Complete Guide to Phono Preamps: Unlocking the Full Potential of Your Vinyl Collection https://iwistao.com/en-jp/blogs/iwistao/the-complete-guide-to-vinyl-phono-tonearms-design-geometry-and-setup 2026-04-11T04:22:24-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/Vinyl_Phono_Tonearm_LP_9-inch_Pivot_S-bend_Straight_12734abf-213f-4c28-b299-6f177bb13924.jpg?v=1775920944 The Complete Guide to Vinyl Phono Tonearms: Design, Geometry and Setup https://iwistao.com/en-jp/blogs/iwistao/the-complete-phono-cable-guide-mm-vs-mc-capacitance-and-shielding 2026-04-15T21:07:46-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/IWISTAO_HIFI_Phono_Cable_28886727-eb55-425f-8751-8024725b5082.png?v=1776326866 The Complete Phono Cable Guide: MM vs MC, Capacitance and Shielding https://iwistao.com/en-jp/blogs/iwistao/passive-preamplifiers-and-step-up-transformers-the-complete-audiophile-guide 2026-04-19T19:41:31-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/sut_9cdd3205-6deb-419c-b72b-8c64a645c34e.jpg?v=1776667291 Passive Preamplifiers and Step-Up Transformers: The Complete Audiophile Guide https://iwistao.com/en-jp/blogs/iwistao/upgrading-a-vintage-tube-radio-to-stereo-with-the-la3401-fm-mpx-decoder-board 2026-04-21T20:47:17-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/la3401_modification_fade7c56-b3f7-4efc-b05f-56df1f70d58e.jpg?v=1776844037 Upgrading a Vintage Tube Radio to Stereo with the LA3401 FM MPX Decoder Board https://iwistao.com/en-jp/blogs/iwistao/tube-buffer-preamplifier-the-complete-guide-for-audiophiles-and-diy-builderstube-buffer-preamplifier 2026-04-22T21:37:51-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/6N11_TUBE_BUFFER_c3bc57fe-9226-4283-8719-90fd098b48b3.jpg?v=1776933471 Tube Buffer Preamplifier: The Complete Guide for Audiophiles and DIY Builders https://iwistao.com/en-jp/blogs/iwistao/bluetooth-dac-explained-how-it-works-codecs-and-hi-fi-applications 2026-04-23T21:28:53-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/BT_DAC_bbfa9a7e-8945-485a-8704-e8bd354733a3.jpg?v=1777019333 Bluetooth DAC Explained: How It Works, Codecs, and Hi-Fi Applications https://iwistao.com/en-jp/blogs/iwistao/6n3-6n1-vacuum-tube-fm-tuner-front-end-a-complete-technical-guide 2026-04-30T16:24:15-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/tube_5670.png?v=1777605855 6N3 and 6N1 Vacuum Tube FM Tuner Front End: A Complete Technical Guide https://iwistao.com/en-jp/blogs/iwistao/ffender-tube-guitar-amplifiers-the-complete-guide-to-circuit-and-key-parts-replacement 2026-05-12T20:40:50-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/fender_guitar_tube_speaer.jpg?v=1778658050 Fender Tube Guitar Amplifiers: The Complete Guide to Circuit, and Key Parts Replacement https://iwistao.com/en-jp/blogs/iwistao/vacuum-tube-fm-tuner-front-end-the-complete-technical-guide 2026-04-30T17:20:58-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/IWISTAO_tube_FM_tuner_d594ad2c-1f7d-47cf-abe0-a491e75b70bc.jpg?v=1777609258 Vacuum Tube FM Tuner Front End: The Complete Technical Guide https://iwistao.com/en-jp/blogs/iwistao/diy-4-inch-full-range-transmission-line-speaker-a-complete-build-guide 2026-05-04T22:26:24-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/DIYSPK10_37b8215b-1896-4704-b2e8-758c4b60ccdd.jpg?v=1777973184 DIY 4-Inch Full-Range Transmission Line Speaker: A Complete Build Guide https://iwistao.com/en-jp/blogs/iwistao/vacuum-tube-fm-radio-if-amplifiers-understanding-the-10-7-mhz-stage 2026-05-21T21:52:05-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/if_amp_pcba1.png?v=1779439925 Vacuum Tube FM Radio IF Amplifiers: Understanding the 10.7 MHz Stage Vacuum Tube FM Radio IF Amplifiers: Understanding the 10.7 MHz Stage https://iwistao.com/en-jp/blogs/iwistao/fostex-fe108-sol-vs-fe126en-a-detailed-full-range-driver-comparison 2026-05-21T21:27:01-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/FE126NV_8d5eba43-4425-4cea-8aaa-966235d596e4.jpg?v=1779438421 Fostex FE108-Sol vs FE126En: A Detailed Full-Range Driver Comparison https://iwistao.com/en-jp/blogs/iwistao/low-impedance-vs-high-impedance-headphones-a-practical-comparison 2026-05-23T18:28:41-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/IWISTAO_150_ohm_headphone_140a5407-a315-4cd7-b03c-1a03dadc9ecb.png?v=1779600521 Low-Impedance vs. High-Impedance Headphones: A Practical Comparison https://iwistao.com/en-jp/blogs/iwistao/el34-vs-300b-a-comprehensive-technical-comparison-for-hifi-enthusiasts 2026-05-23T21:42:39-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/el300_and_300b_dba9e7f3-9698-4fbd-ac55-fe823a5dd53c.png?v=1779612159 EL34 vs 300B: A Comprehensive Technical Comparison for HiFi Enthusiasts https://iwistao.com/en-jp/blogs/iwistao/stepped-attenuators-for-hi-fi-audio-a-complete-guide-to-precision-volume-control 2026-05-26T22:13:26-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/23-Gear_stepping_Stereo_Volume_Potentiometer_1d8a389b-c81e-4196-a081-d3767855c8f2.png?v=1779873206 Stepped Attenuators for Hi-Fi Audio: A Complete Guide to Precision Volume Control https://iwistao.com/en-jp/blogs/iwistao/inductors-principles-types-and-practical-selection 2026-05-28T19:25:27-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/Inductor_67e3283d-557d-4132-8add-3372a6a00c5a.jpg?v=1780035927 Inductors: Principles, Types, and Practical Selection https://iwistao.com/en-jp/blogs/iwistao/alps-potentiometers-in-audio-equipment-rk27-rk163-rk12l-amp-rk09-series-guide 2026-06-08T18:58:43-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/alps_27_77213566-ca82-4de9-a4ec-eca895ce1c43.jpg?v=1780984723 ALPS Potentiometers in Audio Equipment: RK27, RK163, RK12L & RK09 Series Guide https://iwistao.com/en-jp/blogs/iwistao/transistor-matching-for-audio-amplifiers-why-it-matters-and-how-to-do-it-right 2026-06-10T21:29:17-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/IWISTAO_hifi_power_amplifier_board_dd0e0cc2-e41b-4781-9966-69028df93573.jpg?v=1781166557 Transistor Matching for Audio Amplifiers: Why It Matters and How to Do It Right https://iwistao.com/en-jp/blogs/iwistao/how-a-carbon-fiber-cd-tuning-mat-elevates-your-listening-experience 2026-06-16T03:22:23-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/cd_mat2_12616928-955d-49de-9716-eddd0fd9976d.png?v=1781619743 How a Carbon Fiber CD Tuning Mat Elevates Your Listening Experience https://iwistao.com/en-jp/blogs/iwistao/variable-capacitors-in-classic-radios-how-mechanical-tuning-finds-a-station 2026-06-13T23:09:05-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/365p_vc_1d32fb0b-1056-49ff-8d76-e3923fcb4e4d.jpg?v=1781431745 Variable Capacitors in Classic Radios: How Mechanical Tuning Finds a Station https://iwistao.com/en-jp/blogs/iwistao/nano-technology-audiophile-fuses-materials-engineering-claims-safety-and-evidence 2026-06-22T22:03:33-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/nona_fuse_ba593949-737a-48ee-828a-7eb7ebb4a25d.jpg?v=1782205413 Nano-Technology Audiophile Fuses: Materials, Engineering Claims, Safety, and Evidence https://iwistao.com/en-jp/blogs/iwistao/the-complete-guide-to-vacuum-tube-replacement-types-substitutes-and-when-to-replace 2026-06-26T22:23:49-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/fig1-vacuum-tubes-workbench_bddd4335-6dd4-4674-9eb0-9bf58faec9e7.jpg?v=1782552229 The Complete Guide to Vacuum Tube Replacement: Types, Substitutes, and When to Replace https://iwistao.com/en-jp/blogs/iwistao/the-evolution-of-bluetooth-versions-a-complete-technical-history 2026-06-27T21:56:17-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/bluetooth_amp_classd_01f086d1-92a8-47b4-875e-07641119843d.jpg?v=1782636977 The Evolution of Bluetooth Versions: A Complete Technical History https://iwistao.com/en-jp/blogs/iwistao/the-6n2-dual-fu19-vacuum-tube-headphone-amplifier-a-technical-guide 2026-07-04T03:44:24-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/829_f80067ae-4f1b-4e28-a7ba-468905b24386.jpg?v=1783176264 The 6N2 + Dual-FU19 Vacuum Tube Headphone Amplifier: A Technical Guide https://iwistao.com/en-jp/blogs/iwistao/cathode-resistance-in-tube-amplifiers-bias-gain-heat-and-practical-selection 2026-07-12T20:44:20-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/IWISTAO-25W-Aluminum-Shell-Resistance-5-HIFI-Audio-Amplifier-Cathode-Resistances-DIY_66c4f967-d718-4e20-b80e-bbf17ce056cb.jpg?v=1783928660 Cathode Resistance in Tube Amplifiers: Bias, Gain, Heat, and Practical Selection https://iwistao.com/en-jp/blogs/iwistao/csr-qualcomm-bluetooth-chips-and-their-bluetooth-versions-a-reference 2026-07-31T21:49:45-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/bluetooth_5.0_d9b113c8-78e2-4039-847f-2d49e790ad44.jpg?v=1785574185 CSR (Qualcomm) Bluetooth Chips and Their Bluetooth Versions: A Reference https://iwistao.com/en-jp/blogs/iwistao/parallel-feed-parafeed-output-transformers-a-practical-guide 2026-07-27T21:33:17-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/pf_opt_6d33d7c2-4924-4b9b-9866-3d86f9f72d7b.png?v=1785227597 Parallel-Feed (Parafeed) Output Transformers: A Practical Guide https://iwistao.com/en-jp/blogs/iwistao/how-to-choose-the-right-vacuum-tube-amplifier-output-transformer-opt 2026-07-29T21:08:13-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/iwistao_10w_se_opt_9e042485-2fc4-4475-a539-049d1ada0d3a.png?v=1785398893 How to Choose the Right Vacuum Tube Amplifier Output Transformer (OPT) https://iwistao.com/en-jp/blogs/iwistao/jbl-control-328c-from-commercial-ceiling-speaker-to-diy-hi-fi-monitor 2026-07-31T21:27:09-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/8_inch_6cef443e-f865-493e-8220-17a45f27f8fd.jpg?v=1785572829 JBL Control 328C: From Commercial Ceiling Speaker to DIY Hi-Fi Monitor https://iwistao.com/en-jp/blogs/iwistao/building-a-jbl-2420-external-wooden-horn-for-12-and-15-inch-full-range-speakers 2026-08-07T04:55:17-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/1_inch_throat_hole_wood_horn_151c6665-1c6c-415e-9f09-b766eee59ffb.jpg?v=1786118117 Building a JBL 2420 External Wooden Horn for 12- and 15-Inch Full-Range Speakers https://iwistao.com/en-jp/blogs/iwistao/how-driver-parameters-determine-full-range-speaker-dimensions-a-4-inch-markaudio-chr-70-example 2026-09-02T20:10:00-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/chr-70-800x600_2e8745ba-be77-4334-ab81-40af3c23dffe.jpg?v=1788419400 How Driver Parameters Determine Full-Range Speaker Dimensions: A 4-Inch Markaudio CHR-70 Example https://iwistao.com/en-jp/blogs/iwistao/full-range-speaker-notch-filters-correct-topologies-measurement-and-safe-design 2026-08-18T21:30:35-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/RCL_notch_filter_a45406ba-0f21-4739-952f-ebfe113c0e85.jpg?v=1787128235 Full-Range Speaker Notch Filters: Correct Topologies, Measurement, and Safe Design https://iwistao.com/en-jp/blogs/iwistao/carlsson-speakers-the-ortho-acoustic-idea-that-made-the-room-part-of-the-system 2026-08-30T17:03:52-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/carlsson_ortho_speaker_fc5c561e-14e0-441e-92c6-9e239ead0e7b.jpg?v=1788149032 Carlsson Speakers: The Ortho-Acoustic Idea That Made the Room Part of the System https://iwistao.com/en-jp/blogs/iwistao/rogers-ab1-bass-extender-the-engineering-behind-the-legendary-ls3-5a-bass-stand 2026-08-31T21:49:23-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/1-Rogers_AB1_Bass_Extender_2e951f06-e830-41d4-a5b4-63ad8d3e422a.jpg?v=1788252563 Rogers AB1 Bass Extender: The Engineering Behind the Legendary LS3/5A Bass Stand https://iwistao.com/en-jp/blogs/iwistao/the-western-electric-755a-anatomy-of-an-8-inch-full-range-legend 2026-09-02T20:25:12-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/IWISTAO_WE755A_b6d6d121-8238-4142-8d16-808220fa27b2.png?v=1788420312 The Western Electric 755A: Anatomy of an 8-Inch Full-Range Legend https://iwistao.com/en-jp/blogs/iwistao/2sa970-and-2sc2240-are-obsolete-how-to-choose-safe-modern-replacements 2026-09-03T19:49:49-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/KSA992FTA_and_KSC1845FTA_4a4b29f2-704e-4f6c-a107-a67fb53b8738.png?v=1788504589 2SA970 and 2SC2240 Are Obsolete: How to Choose Safe Modern Replacements https://iwistao.com/en-jp/blogs/iwistao/fm-radio-tuning-air-variable-capacitors-vs-electronic-tuning 2026-09-05T04:34:48-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/tube_fm_iwistao_39b49b67-d301-4b9e-a1a3-06811481da96.jpg?v=1788622488 FM Radio Tuning: Air Variable Capacitors vs. Electronic Tuning https://iwistao.com/en-jp/blogs/iwistao/musical-fidelity-mx-stream-a-practical-guide-to-usb-network-streaming 2026-09-09T03:00:34-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/WHFPS-DC12T24_5l_f66bd4f9-0806-4b9a-abce-419973560cd4.jpg?v=1788962434 Musical Fidelity MX-Stream: A Practical Guide to USB Network Streaming https://iwistao.com/en-jp/blogs/iwistao/tang-band-w8-1772-specifications-enclosure-design-and-system-matching 2026-09-07T01:00:47-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/tang_band_w8-1772_pair_c63e34f3-57fb-409d-8645-12f1afb59d1b.jpg?v=1788782447 Tang Band W8-1772: Specifications, Enclosure Design and System Matching https://iwistao.com/en-jp/blogs/iwistao/ha12016-fm-stereo-decoder-how-it-works-and-what-its-specifications-mean 2026-09-08T22:55:27-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/WHFDM-HA12016_2l_bd30f419-20e7-4b98-9b89-e6a0b5a88769.jpg?v=1788947727 HA12016 FM Stereo Decoder: How It Works and What Its Specifications Mean https://iwistao.com/en-jp/blogs/iwistao/vacuum-tube-matching-what-matters-and-how-to-choose-a-matched-set 2026-09-14T20:19:29-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/5654W_8263b912-8026-40c3-9375-0a609e8b94cc.jpg?v=1789456769 Vacuum Tube Matching: What Matters and How to Choose a Matched Set https://iwistao.com/en-jp/blogs/iwistao/274a-vs-274b-vs-5u4g-vs-5r4gy-vs-5ar4-gz34-rectifier-guide-for-300b-amplifiers 2026-09-14T20:28:35-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/274B_1_f0d15c88-8c31-4c47-9d90-8b6de6dafc8a.jpg?v=1789457315 274A vs. 274B vs. 5U4G vs. 5R4GY vs. 5AR4/GZ34: Rectifier Guide for 300B Amplifiers Shuguang 274B Rectifier Tube 1 Piece Full-Wave High Vacuum 5V for 300B 2A3 Tube Amplifier HIFI Audio DIY https://iwistao.com/en-jp/blogs/iwistao/2a3-and-300b-push-pull-output-transformers-a-practical-selection-guide 2026-09-20T15:12:56-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/Codex_2026_9_20_14_46_28_b5a468be-6e8e-41ab-a4e0-e4aec5ae822c.png?v=1789956776 2A3 and 300B Push-Pull Output Transformers: A Practical Selection Guide https://iwistao.com/en-jp/blogs/iwistao/passive-radiators-explained-parameters-tuning-and-speaker-design 2026-09-25T22:58:59-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/Passive_Radiators_eaa808cb-ab95-469f-8e5a-eceee49db47f.png?v=1790416739 Passive Radiators Explained: Parameters, Tuning and Speaker Design https://iwistao.com/en-jp/blogs/iwistao/how-to-calculate-speaker-enclosure-volume 2026-09-30T22:29:47-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/speaker_cabinet_12_inch_2_ways_1a1abed8-ba0a-45d1-a592-ed2fc27b7e28.jpg?v=1790846987 How to Calculate Speaker Enclosure Volume IWISTAO HIFI 10 / 12 Inches Bass Speaker Plus Tweeter Horn Empty Cabinet 1pc Solid Wood Inverted No Speaker Unit for Tube Amp DIY https://iwistao.com/en-jp/blogs/iwistao/fiber-optics-in-electroacoustic-technology-from-audio-links-to-acoustic-sensors 2026-10-04T14:47:05-11:00 weekly https://cdn.shopify.com/s/files/1/1105/6138/articles/Fiber_Optics.png?v=1791164825 Fiber Optics in Electroacoustic Technology: From Audio Links to Acoustic Sensors