{"product_id":"hk-4000-replacement-channel-pcb-output-stage-module-with-heatsink-mounts","title":"HK-4000 Replacement Channel PCB - Output Stage Module with Heatsink Mounts","description":"\u003cp data-path-to-node=\"5\"\u003eRestore your amplifier's performance with this genuine \u003cb data-path-to-node=\"5\" data-index-in-node=\"74\"\u003eHK-4000 Channel Amplifier Module\u003c\/b\u003e. This is a complete output stage PCB designed to handle the high-voltage and high-current demands of the HK-4000 series, ensuring stable power delivery and exceptional thermal reliability for professional audio applications.\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003e\u003cb data-path-to-node=\"6\" data-index-in-node=\"0\"\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"7\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003e\u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"0\"\u003eEngineered for HK-4000:\u003c\/b\u003e A direct OEM replacement designed specifically for the HK-4000 power architecture.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e\u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"0\"\u003eHigh-Power Output Stage:\u003c\/b\u003e Features pre-aligned mounting positions for high-power Toshiba\/ON Semi style output transistors (transistors usually sold separately or as per assembly type).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,2,0\"\u003e\u003cb data-path-to-node=\"7,2,0\" data-index-in-node=\"0\"\u003eAdvanced Thermal Design:\u003c\/b\u003e The PCB layout is optimized for efficient heat transfer to the main heatsink, critical for maintaining stability during long-duration, high-output sessions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,3,0\"\u003e\u003cb data-path-to-node=\"7,3,0\" data-index-in-node=\"0\"\u003eIntegrated Driver Circuitry:\u003c\/b\u003e Includes the full driver and bias control stages to ensure low distortion and high signal fidelity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,4,0\"\u003e\u003cb data-path-to-node=\"7,4,0\" data-index-in-node=\"0\"\u003eIndustrial Strength:\u003c\/b\u003e Built on a heavy-duty, double-sided glass epoxy PCB with thick copper traces to manage high amperage without trace failure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,5,0\"\u003e\u003cb data-path-to-node=\"7,5,0\" data-index-in-node=\"0\"\u003ePlug-and-Play Connectivity:\u003c\/b\u003e Features standard multi-pin header inputs for the control signal and high-current blade\/screw terminals for power rail and speaker output connections.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"8\"\u003e\n\u003ch2 data-path-to-node=\"9\"\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"0\"\u003eTechnical Specifications\u003c\/b\u003e\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"10\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,1,0,0\"\u003e\u003cb data-path-to-node=\"10,1,0,0\" data-index-in-node=\"0\"\u003eModel Compatibility\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,1,1,0\"\u003eHK-4000 Professional Series\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,2,0,0\"\u003e\u003cb data-path-to-node=\"10,2,0,0\" data-index-in-node=\"0\"\u003eBoard Function\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,2,1,0\"\u003eMain Power Amplification (Single Channel)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,3,0,0\"\u003e\u003cb data-path-to-node=\"10,3,0,0\" data-index-in-node=\"0\"\u003ePower Handling\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,3,1,0\"\u003eRated for HK-4000 Specifications (\u003cspan class=\"math-inline\" data-math=\"1250W\" data-index-in-node=\"34\"\u003e$1250W$\u003c\/span\u003e @ 8Ω \/ \u003cspan class=\"math-inline\" data-math=\"2000W\" data-index-in-node=\"47\"\u003e$2000W$\u003c\/span\u003e @ 4Ω)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,4,0,0\"\u003e\u003cb data-path-to-node=\"10,4,0,0\" data-index-in-node=\"0\"\u003eCircuit Class\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,4,1,0\"\u003eProfessional Class H \/ Class AB (Model dependent)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,5,0,0\"\u003e\u003cb data-path-to-node=\"10,5,0,0\" data-index-in-node=\"0\"\u003ePCB Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,5,1,0\"\u003eHigh-Temp Industrial Grade Double-Sided\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,6,0,0\"\u003e\u003cb data-path-to-node=\"10,6,0,0\" data-index-in-node=\"0\"\u003eMounting\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,6,1,0\"\u003ePre-drilled for standard HK-series Heatsink and Chassis\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"SLVSALES","offers":[{"title":"Default Title","offer_id":45802168320186,"sku":null,"price":8000.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/6377\/9258\/files\/Screenshot2026-04-24123543.png?v=1777014410","url":"https:\/\/www.slvsales.in\/products\/hk-4000-replacement-channel-pcb-output-stage-module-with-heatsink-mounts","provider":"SLVSALES","version":"1.0","type":"link"}