{"product_id":"iwistao-single-ended-dc-pure-class-a-warm-sound-gold-sealed-fet-finished-power-w-hole-aluminum-chassis-post-stage-amp-pass-aca-for-electronic-frequency-division-whole-aluminum-chassis","title":"IWISTAO Single-ended DC Pure Class A Warm Sound Gold Sealed FET Finished Power  W hole aluminum chassis Post-stage Amp Pass ACA for Electronic Frequency Division Whole Aluminum Chassis","description":"\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003e1 PC HIFI Amplifier 30W Class A FET Single-ended PassA30 Whole Aluminum Casing Mono Design With upc1237 Speaker Protection High Quality Black \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003e\u003cbr\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003eModel No: WHFTA-PassA30\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eIt is a pure class A mono power amplifier, which is a very high degree of completion HIFI amplifier, its sound is silky smoothness, also it is too appealing when you listen to the sound of strings and human voice with the unit, and this is definitely a warm sound amplifier, but unlike a little dim sound of tube amp, its sound is warm and detailed, while low dive control and damping is also very perfect.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003ciframe src=\"https:\/\/player.vimeo.com\/video\/234967627\" width=\"640\" height=\"480\" frameborder=\"0\" webkitallowfullscreen=\"\" mozallowfullscreen=\"\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/vimeo.com\/234967627\"\u003eIWISTAO HIFI Amplifier 30W Mono Class A FET Single-ended PassA30 Whole Aluminum Casing Black\u003c\/a\u003e from \u003ca href=\"https:\/\/vimeo.com\/user67259803\"\u003eIWISTAO HIFI AUDIO\u003c\/a\u003e on \u003ca href=\"https:\/\/vimeo.com\"\u003eVimeo\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003eAs its 30W output power at 30 square meters or below space, both with book shelf speakers or floor speakers, it will have a good performance. Remarkably, its signal to noise ratio control very well, you will hardly hear a little noise when you put your ear to the speaker at deep night, although its power is increased to 30W, but the circuit design more rational, so it is still have higher SNR.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/1105\/6138\/products\/WHFTA-PassA30.jpg?v=1519384448\" alt=\"\"\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/1105\/6138\/products\/WHFTA-PassA30_8x8l_1.jpg?v=1519384448\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg src=\"http:\/\/wxalbum-10001658.image.myqcloud.com\/wxalbum\/160232\/20170918163600\/557d3de0823ecf7fe317de778b096250.jpg\"\u003e\u003cimg src=\"http:\/\/wxalbum-10001658.image.myqcloud.com\/wxalbum\/160232\/20170918163600\/4afeb9af374dab012d721cad88f9ba1a.jpg\"\u003e\u003cimg src=\"http:\/\/wxalbum-10001658.image.myqcloud.com\/wxalbum\/160232\/20170918163600\/a7c7e564bd625335d001790ba67317bf.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cspan style=\"font-size: 14px;\"\u003eFeatures\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e1. Basic faithful to the classic PassA30 circuit, which, with respect to the sale of several million PassA5, merely reduces the output power, its structure is completely different, showing the maturity of its circuit!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e2. 200W power supply high-quality Toroidal Transformer, using six pieces HIFI Nover 10000uf filter capacitors as CRC, total filtering capacity is 60000uf.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e3. The most important is to add upc1237 speaker protection system, switch absolutely no impact sound while performing midpoint of DC protection, to prevent damage and burn your expensive speakers due to the amplifier circuit.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e4. Three pairs of matched large power FET tubes expansion flow in parallel, to ensure the driving force.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e5. Add a midpoint trimming circuit at differential input, which can correct the problem of midpoint offsetting at some extent.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e6. The finished unit with about 2KG heat sink, while it is whole aluminum design, this benefit other parts of the casing become heat sink also in addition, so that the total heat dissipation area greatly increased.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e7. As pure mono amplifier designing, it solve separation problem totally, as long as HIFI audiophiles have to understand what the benefits of doing so, the disadvantages are also obvious, is the high cost.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e8. In addition to the standard RCA audio input terminal, the unit provides a balanced input interface; convenient to connect a professional preamplifier.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1.5QhKXXXXXbnXpXXq6xXFXXXS\/201217466\/HTB1.5QhKXXXXXbnXpXXq6xXFXXXS.jpg?size=101603\u0026amp;height=580\u0026amp;width=800\u0026amp;hash=9bd6c5fd308a55a9ebed142af55a8ce0\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1mtZcKXXXXXXQXFXXq6xXFXXXM\/201217466\/HTB1mtZcKXXXXXXQXFXXq6xXFXXXM.jpg?size=89511\u0026amp;height=477\u0026amp;width=800\u0026amp;hash=efa37e2b8537daafe41394ecb50c17b1\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1GPP2KXXXXXceXVXXq6xXFXXX9\/201217466\/HTB1GPP2KXXXXXceXVXXq6xXFXXX9.jpg?size=89756\u0026amp;height=497\u0026amp;width=800\u0026amp;hash=ae1329ce3fd586431ff024d37acbdee7\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cspan style=\"font-size: 14px;\"\u003eSpecifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e1.    Maximum undistorted output power: 30W (at 1KHz continuous power without distortion).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e2.    Frequency Response: 20Hz - 20Khz\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e3.    Distortion: \u0026lt;0.01% (1KHz sine wave output 30W)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e4.    Input sensitivity: \u0026lt;2Vrms.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e5.    Output Impedance: 4 - 16 ohms\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e6.    Amplifier voltage gain: 11 times.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e7.    SNR:\u0026gt; 103dB\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e8.    Working voltage: AC220V \/ 50Hz\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e9.    Maximum power consumption: \u0026lt;110W\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e10. Size (L * D * H): 280 * 212 * 90mm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e11. Weight: 6.8Kg\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e12. Color: Black\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e13. Accessories\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-left: 40px;\"\u003e\u003cspan style=\"font-size: 14px;\"\u003ePower cord x 1\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cspan style=\"color: #ff0000;\"\u003eRemark:\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003e\u003cem\u003e\u003cstrong\u003e\u003cu\u003e\u003cspan style=\"color: #ff0000;\"\u003eFor the 110V version, Reservations are required and the lead time is 10 business days. please note if you want to buy this version. \u003c\/span\u003e\u003c\/u\u003e\u003c\/strong\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003e\u003cu\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cspan style=\"font-size: 14px;\"\u003eTips:\u003c\/span\u003e\u003c\/span\u003e\u003c\/u\u003e\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003e\u003cem\u003e\u003cu\u003e\u003cspan style=\"color: #ff0000;\"\u003e1.    This unit is pure power amplifier, no volume control, you must connect with preamplifier stage.\u003c\/span\u003e\u003c\/u\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003e\u003cem\u003e\u003cu\u003e\u003cspan style=\"color: #ff0000;\"\u003e2.    The unit is a single-channel design, need use two units to set up a stereo system.\u003c\/span\u003e\u003c\/u\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\n\u003cimg src=\"http:\/\/wxalbum-10001658.image.myqcloud.com\/wxalbum\/160232\/20170918164750\/ec602e776bedbb2b66b64f969983acb3.jpg\"\u003e \u003c\/h2\u003e\n\u003ch2\u003eApplications by HIFI Audiophiles\u003c\/h2\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"WHFTA-PASS30A2l\" src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1InB7OXXXXXbLXXXXq6xXFXXXv\/201217466\/HTB1InB7OXXXXXbLXXXXq6xXFXXXv.jpg?size=69335\u0026amp;height=460\u0026amp;width=800\u0026amp;hash=5b3e770618f7a2f04124cf09c2e1db40\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"WHFTA-PASS30A1L\" src=\"https:\/\/ae01.alicdn.com\/kf\/HTB19ElUOXXXXXbMXpXXq6xXFXXXD\/201217466\/HTB19ElUOXXXXXbMXpXXq6xXFXXXD.jpg?size=124382\u0026amp;height=1067\u0026amp;width=800\u0026amp;hash=089b0c9f6e2672d7d4eaeb39f7f78ca4\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e","brand":"IWISTAO HIFI MINIMART","offers":[{"title":"Default Title","offer_id":40743998161011,"sku":null,"price":268.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/iwistao.com\/en-kr\/products\/iwistao-single-ended-dc-pure-class-a-warm-sound-gold-sealed-fet-finished-power-w-hole-aluminum-chassis-post-stage-amp-pass-aca-for-electronic-frequency-division-whole-aluminum-chassis","provider":"IWISTAO HIFI MINIMART","version":"1.0","type":"link"}