{"product_id":"high-and-low-voltage-power-supply-class-h-stk419-110-thick-film-power-amplifier-circuit-high-power-hifi-power-amplifier-finished-board","title":"Class H with high-low voltage power supply – STK419-110 thick-film amplifier – high-power Hi-Fi finished amplifier board","description":"\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;color: #333333;text-indent: 24.0px;\"\u003e\u003cstrong style=\"font-size: 20.0px;\"\u003e\u003cspan style=\"color: #800080;\"\u003eSanyo STK is commonly known as Sanyo Thick Film. Under the control of the tuned sound and high-precision semiconductor process production process, it is not the level that ordinary amateur DIY players can achieve. In addition to better sound field and resolution, the low-frequency intensity is much stronger, which is completely the difference between professional athletes and ordinary players! These thick film circuits have always been customized products for big brand audio manufacturers. In the early days, many famous factories used them to manufacture power amplifiers, such as K + H, Sony Sony, Panasonic PANSONIC, KENWOOD, JEVIS JVC, Shanshui SANSUI, Sharp SHARP, Pioneer PIONEER, Aihua AIWA, etc. Almost all Japanese audio manufacturers use them, and they have been used for more than 20 years, which has influenced a whole generation. It is also a sound with a strong era brand that our entire generation heard when they were young. It always sounds unforgettable. Sanyo, a company specializing in the production of power amplifier modules, was later acquired by ON Semiconductor of the United States. After the acquisition, it integrated Sanyo's traditional craftsmanship, coupled with ON's unique design, and the later products were even more outstanding. They are still used by large companies in the United States, such as BOSE and Genelec in Europe!\u003c\/span\u003e\u003cspan style=\"color: #0000ff;\"\u003e  \u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eThis board is designed according to the concept of comparative fever, and the materials used are carefully selected. The power amplifier module can be installed horizontally or vertically, and it is easier to achieve multi-channel functions with a suitable radiator.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"font-size: 20.0px;\"\u003e\u003cspan style=\"color: #0000ff;\"\u003e   \u003c\/span\u003e\u003c\/strong\u003e \u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;\"\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003eSound performance: The overall tone is warm, the sound is relatively soft, the treble extension is high but not harsh, the bass is deep enough and elastic, and it will not be mixed or sloppy. Sanyo thick film is a circuit between integrated and discrete power amplifiers. Fine workmanship and excellent craftsmanship are stronger than 3886,7294, and it is difficult for general DIY players to achieve this level.\u003c\/strong\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003e   \u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;\"\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003eSupply voltage:\u003c\/strong\u003e\u003c\/strong\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;\"\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003eAC double 22V~ 33V\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;\"\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003eOutput power: 100WX2@4 Ω 75WX2@8 Ω\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;\"\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003eFrequency response: 15Hz-45KHz\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;\"\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003eCircuit board size: 110 wide X88 long\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;\"\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003eFinished plate net weight: about 213g\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;\"\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003eThe finished board is guaranteed for 3 months.\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01spV4Gk1OQBWeNIMB7_!!88221699.png\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01SeuJ0f1OQBWix9CBm_!!88221699.png\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01wwd4SM1OQBt70GlLB_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i2\/88221699\/O1CN01mvOegw1OQBt9Ezyde_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01PXiJeb1OQBt4q0tGB_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01QF19pa1OQBt9F0a2h_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN0156pVrD1OQBt6BwHtV_!!88221699.jpg\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;\"\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003eSupply voltage:\u003c\/strong\u003e\u003c\/strong\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;\"\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003eHigh voltage double 35-25, low voltage double 25-18 (can be co-located) Under normal circumstances, the secondary needs 5-6 power supply lines\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;\"\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003eOutput power: 50WX2@6 Ω THD 0.2%\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;\"\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003eCircuit board size: 118 wide X45 high X106 long\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;\"\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003eWeight: 0.15KG\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin: 1.12em 0.0px;padding: 0.0px;font-size: 14.0px;background-color: #ffffff;\"\u003e\u003cstrong style=\"color: #0000ff;font-family: kaiti_gb2312;font-size: 24.0px;\"\u003e\u003cstrong style=\"line-height: 36.0px;\"\u003eThe finished board is guaranteed for 3 months.\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i4\/88221699\/O1CN01sCyXMd1OQBszDOhQJ_!!88221699.png\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i3\/88221699\/O1CN01WoFkCL1OQBt6zJ1BC_!!88221699.png\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg align=\"absmiddle\" referrerpolicy=\"no-referrer\" src=\"https:\/\/img.alicdn.com\/imgextra\/i1\/88221699\/O1CN015WldCz1OQBt6j2dt1_!!88221699.png\" style=\"max-width: 750.0px;\"\u003e\u003c\/div\u003e\n","brand":"GoMakerHive: Ignite Your Spark into a Blaze.","offers":[{"title":"Version 1","offer_id":66600756674864,"sku":"5682003854474","price":23.99,"currency_code":"USD","in_stock":true},{"title":"Version 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