Review of IWISTAO WHFSC-FR565WLC-6.5 Speaker cabinets wit...
7 In 1 Classic Vintage Gramophone Vinyl Record Vintage CD...

DIY Labyrinth Speaker with IWISTAO cabinets from Pioneer ...
This video is made by a real audiophile, who used a pair IWISTAO Labyrinth Empty Cabinet and his full range pioneer speaker units to diy his labyrinth speakers.

How to DIY your full range labyrinth speakers
Now, the 2 to 4 inches oak full range labyrinth speaker cabinet hit the market now. You just need to select your full range unit speaker unit and install them in the cabinet only, so easy!

How to DIY Your Speaker Interconnection Cable
Select your need cable and define its cross section and length.If there is a large current from your power amplifier to the speaker, you will select related high cross section of the cable.Here, we make a speaker interconnection cables for a 10W speaker, so its cross section is smaller.

How to measure and calculate output power of power amplifier
There are three output powers commonly used, rated output power, maximum output power and music power. Here is tube amplifier as an example.
Bluetooth 5.0 Decoder + Mono FU50 Single-ended Tube Ampli...
The Video is for a Bluetooth 5.0 Decoder + 2pcs Mono FU50 Single-ended Tube Amplifier + HIFI 3 Inch Full Range Speakers.
Vacuum Tube Selection
When selecting an electronic tube, we should determine the appropriate tube type according to the characteristics and requirements of the specific application circuit firstly. Secondly, it should be ensured that parameters of the selected tube meet the requirements of the application circuit, especially the limit parameters must have sufficient margin.

IWISTAO FU50 Small 300B 2x8W Vacuum Tube Amplifier Finish...
Vacuum tube FU50 is known as the small 300B and close to tube 300B, but the price is much lower than tube 300B, its treble is fine, extension is very good, overtone is excellent, and the vocals are very cordial. Listening to the original sound of the Dream of Red Mansions can feel that it is super strong; listening to symphony and string music is very good, violin is very delicate, more worth playing than the tube EL34.

What is B, P, G for tube amplifier output transformer?
The primary of tube amplifier output transformer generally has two, three and five connection terminals.
The circuits of single tube type class A amplifier Among them include:
- The primary is 2 connection terminals, P is connected to the screen, B is connected to B+ (that is, DC high voltage power supply)
- The primary is 3 connection terminals, P is connected to the screen, G is a Ultra-linear tap (connected to the second gate of the power amplified tube such as 6P6P, 6P1, 6P14, etc.), B is connected to B+ (that is, DC high-voltage power supply)

How to Connect Wires for Output Transformer with Ultra-Li...
Here is a wire connection diagram for IWISTAO 100w pull-push output transformer below, only for you information.

General Power and Size for IWISTAO Dedicated HIFI Toroida...
Here, it is a table General Power and Size for IWISTAO Dedicated HIFI Toroidal Transformer.

Related sizes and installation of IWISTAO Output Transformer
Many customers ask us about the sizes for installation, here we provide a table for you information.

Vidie Demo: HIFI CD Player Plus IWISTAO HIFI MINI Tube Hy...
This is a HIFI CD player, and product quality is reliable and very stable, durable, good effect. As a high quality CD player, the key parts are movement and decoding. The CD player adopted So ny movement. And, its decoding part adopted DAC CS4398 with 192kHz / 24Bit.

Video Demo: 2x25W 845 Vacuum Tube Amplifier 300B Drive 84...
The amplifier is adhering to the consistent concept, simple and atmospheric overall design, stable and nice sound optimized circuit to improve the performance of r this 845 amplifier. The direct thermal triode 845 amplifier can express the natural exquisiteness of vocal and string music, and it can also be calmly and magnificently when it is large dynamic. Even for those hard-to-push speakers, it can drive them well.

Video Demo: IWISTAO Tube Buffer with Voltage Amplified Tu...
It is a tube buffer for those digital signal like as CD, MP3 player, and your smart phone, that adopt 2 pcs Beijing thumb tube 6J1 which is used on more famous tube preamplifier, and designed as HIFI cathode output circuit. And those component also adopt HIFI grade one.

Video Demo: IWISTAO HIFI Preamplifier Tone Adjustment Bas...