{"product_id":"upgraded-version-mono-400w-tube-2sc5200-2sa1943-20v-90v-hifi-high-power-audio-amplifier-board-with-speaker-protect-ralay","title":"Upgraded Version Mono 400W Tube 2SC5200 + 2SA1943 20V-90V HIFI High Power Audio Amplifier Board With Speaker Protect Ralay","description":"\u003csection data-tufzen-geo-summary=\"v1\" class=\"tufzen-product-summary\"\u003e\u003ch2\u003eProduct Summary\u003c\/h2\u003e\n\u003cp\u003eUpgraded Version Mono 400W Tube 2SC5200 + 2SA1943 20V-90V HIFI High Power Audio Amplifier is a electronics product selected for electronics repair, testing, prototyping and project work. It is suitable for electronics users, repair technicians and maker project builders who need practical electronics hardware for reliable project work.\u003c\/p\u003e\n\u003ch3\u003eBest For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eelectronics repair, testing, prototyping and project work\u003c\/li\u003e\n\u003cli\u003ebench electronics, DIY projects and maker workflows\u003c\/li\u003e\n\u003cli\u003eElectronics testing, repair, prototyping and maker workflows\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWho is this product for?\u003c\/strong\u003e It is intended for electronics users, repair technicians and maker project builders.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat should I check before buying?\u003c\/strong\u003e Review the product options, specifications, included accessories and compatibility details on this page.\u003c\/p\u003e\u003c\/section\u003e\u003cp\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cspan style=\"font-size: 18px;\"\u003e400W Upgraded version of single channel amplifier board 1943+5200 high-power Toshiba transistor rear stage amplifier board. With relay protection\u003cbr\u003e\u003cbr\u003eThe board is a single channel rear amplifier board that requires dual channels. please buy 2 pieces,\u003cbr\u003e\u003cbr\u003eThe circuit design uses the A970\/C2240 high voltage audio pair dual differential circuit and A1145\/C2705 for voltage amplification, promoting the use of medium power pair A1837\/C4793, and the output stage uses A1943\/C5200 high-power Toshiba pair. Wide power supply range, DC positive and negative 20V-90V can be used, as long as sufficient power is supplied, it can easily reach 400W. Good sound quality, extremely powerful driving force, driving 15 inch speakers without any pressure!\u003cbr\u003e\u003cbr\u003eAmplifier board size: 195X60X45 MM length * width * height\u003cbr\u003e\u003cbr\u003eReal power: undistorted power 400W, maximum power 600W..\u003cbr\u003e\u003cbr\u003ePower supply: dual voltage, DC positive and negative 20-90V (upgraded version has optimized the circuit and parts, can\u003cbr\u003e\u003cbr\u003eTo directly apply high voltage, it is recommended to use a voltage below 90V and not challenge the voltage limit\u003c\/span\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv style=\"font-family: arial, helvetica, sans-serif; font-size: 13px; font-weight: inherit; line-height: inherit; color: rgb(0, 0, 0); border: 0px; margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cdiv style=\"font-family: arial, verdana, sans-serif; font-size: 12px; font-weight: inherit; line-height: inherit; color: rgb(51, 51, 51); border: 0px; margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cdiv style=\"font-size: inherit; font-weight: inherit; line-height: inherit; border: 0px; margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cdiv style=\"font-size: inherit; font-weight: inherit; line-height: inherit; border: 0px; margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cdiv style=\"font-family: arial, helvetica, sans-serif; font-size: 13px; font-weight: inherit; line-height: inherit; color: rgb(0, 0, 0); border: 0px; margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cp style=\"font-family: arial, helvetica, sans-serif; font-size: 13px; line-height: inherit; color: rgb(0, 0, 0); border: 0px; margin: 0px; padding: 0px; box-sizing: content-box;\"\u003e\u003cspan style=\"font-size: 22px;\"\u003e\u003cspan style=\"color: rgb(255, 0, 0); font-size: inherit;\"\u003e\u003cspan style=\"font-size: inherit; font-family: arial, helvetica, sans-serif;\"\u003e\u003cspan style=\"font-size: inherit;\"\u003ePackage Included:\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan style=\"font-size: inherit; font-family: arial, helvetica, sans-serif;\"\u003e1pcs \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size: 18px;\"\u003e\u003cspan\u003e 400w\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size: 20px; font-family: arial, verdana, sans-serif;\"\u003eaudio amplifier\u003c\/span\u003e\u003cspan style=\"font-size: 20px; font-family: arial, helvetica, sans-serif;\"\u003eboard\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp style=\"margin: 0px; display: block; width: 100%;\"\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-upgraded-version-mono-400w-tube-2sc5200-2sa1943-20v-90v-hifi-high-power-audio-am-1.webp?v=1779201975\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-upgraded-version-mono-400w-tube-2sc5200-2sa1943-20v-90v-hifi-high-power-audio-am-2.webp?v=1779201975\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-upgraded-version-mono-400w-tube-2sc5200-2sa1943-20v-90v-hifi-high-power-audio-am-3.webp?v=1779201975\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-upgraded-version-mono-400w-tube-2sc5200-2sa1943-20v-90v-hifi-high-power-audio-am-4.webp?v=1779201975\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-upgraded-version-mono-400w-tube-2sc5200-2sa1943-20v-90v-hifi-high-power-audio-am-5.webp?v=1779201975\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-upgraded-version-mono-400w-tube-2sc5200-2sa1943-20v-90v-hifi-high-power-audio-am-6.webp?v=1779201975\"\u003e\u003c\/div\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Upgraded","offers":[{"title":"400W with relay","offer_id":47666583765250,"sku":"400W with relay","price":35.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/S81a88ac6b44843218927b00862117249S.webp?v=1776328474","url":"https:\/\/tufzen.com\/hu\/products\/upgraded-version-mono-400w-tube-2sc5200-2sa1943-20v-90v-hifi-high-power-audio-amplifier-board-with-speaker-protect-ralay","provider":"TUFZEN","version":"1.0","type":"link"}