{"product_id":"stk4412-sanyo-stereo-amplifier-hybrid-ic-20w-20w","title":"STK4412 Sanyo AF Power Amplifier","description":"\u003ch3\u003eHigh-Quality 20W+20W Stereo Audio Power Amplifier Module\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSTK4412\u003c\/strong\u003e is a dependable thick-film hybrid integrated circuit from Sanyo's high-performance audio series. Delivering a continuous \u003cstrong\u003e20 Watts per channel\u003c\/strong\u003e, this 15-pin module is the definitive replacement for mid-power stereo stages in premium vintage boomboxes, integrated tabletop systems, and shelf-sized receivers from the 1980s and 90s.\u003c\/p\u003e\n\n\u003cp\u003eDesigned with Sanyo's Insulated Metal Substrate Technology (IMST), the STK4412 ensures superior thermal stability while requiring very few external components. It provides a crisp, warm analog sound with a Total Harmonic Distortion (THD) of 1.0% at full power and an impressive frequency response capability up to 100kHz.\u003c\/p\u003e\n\n\u003ch4\u003eKey Technical Features:\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eContinuous Power Output:\u003c\/strong\u003e 20W + 20W (at 8Ω, f = 1kHz, THD = 1.0%).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 2-Channel Stereo in a standard 15-Pin SIP (Single In-line Package).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAudio Precision:\u003c\/strong\u003e Wide bandwidth frequency response from 20Hz to 100kHz (+0, -3dB).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Distortion:\u003c\/strong\u003e Typically 0.3% THD at low output (0.1W) for detailed, low-volume listening.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThermal Reliability:\u003c\/strong\u003e Guaranteed operation up to 125°C substrate temperature.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRecommended Supply Voltage:\u003c\/strong\u003e 44V DC (Absolute Maximum 65V).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation \u0026amp; Safety Guide:\u003c\/h4\u003e\n\u003cp\u003eAt 40W total output, the STK4412 generates significant heat during operation. It \u003cstrong\u003emust\u003c\/strong\u003e be securely bolted to a clean, flat heatsink or the metal chassis using high-quality thermal silicone grease. Operating this module without a proper heatsink—even for a brief diagnostic test—will result in immediate and permanent internal substrate failure.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eTechnician's Note: Before installing, verify that your power supply voltage is within the 44V range and discharge all filter capacitors. We recommend checking the output coupling capacitors, as dried-out electrolytic caps in vintage equipment are the primary cause of module stress and audio clipping.\u003c\/em\u003e\u003c\/p\u003e","brand":"Sanyo","offers":[{"title":"New","offer_id":48013257408666,"sku":"SC0008","price":19.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/9477\/8778\/files\/26-STK4412_20Sanyo_20AF_20Power_20Amplifier.jpg?v=1778557085","url":"https:\/\/prellelectronics.com\/products\/stk4412-sanyo-stereo-amplifier-hybrid-ic-20w-20w","provider":"Prell Electronics","version":"1.0","type":"link"}