{"product_id":"stk4044ii-sanyo-mono-power-amplifier-hybrid-ic-100w","title":"STK4044II Sanyo AF Power Amplifier","description":"\u003ch3\u003eHeavy-Duty 100W Mono Power Amplifier Module\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSTK4044II\u003c\/strong\u003e is a high-power thick-film hybrid integrated circuit from Sanyo. Capable of delivering a continuous \u003cstrong\u003e100 Watts\u003c\/strong\u003e of power, this \"Series II\" module is designed for maximum stability in demanding audio environments. It is a legendary replacement part for flagship vintage receivers, high-output subwoofers, and professional public address (PA) systems.\u003c\/p\u003e\n\n\u003cp\u003eThe STK4044II is engineered for split-power supply systems and features a built-in constant-current circuit to reduce supply switch-on and switch-off shock noise, protecting your speakers from audible \"thumps.\" Its robust design offers a perfect balance of high-output power and long-term thermal reliability.\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 100W Minimum (at 8Ω, 20Hz to 20kHz, THD = 0.4%).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTotal Harmonic Distortion:\u003c\/strong\u003e 0.4% at full rated power; 0.3% typical at 10W.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Mono (Single Channel) in a 15-pin ZIP\/HYB package.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e 20Hz to 50kHz (+0, -1dB).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e Recommended supply of ±51V (Absolute Maximum ±73V).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMember of Series:\u003c\/strong\u003e Pin-compatible with the 20W to 200W Sanyo series for flexible repair options.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation \u0026amp; Safety:\u003c\/h4\u003e\n\u003cp\u003eBecause the STK4044II generates significant heat at 100W, it \u003cstrong\u003emust\u003c\/strong\u003e be mounted to a substantial heatsink with high-quality thermal grease. Ensure your power supply rails are healthy and do not exceed the ±51V recommendation to maintain the module's 125°C substrate temperature safety margin.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eTechnician's Note: Always discharge power supply capacitors before installation. Since this is often a drop-in replacement for legacy Yamaha, Sony, and Pioneer receivers, verify the health of the output emitter resistors to prevent premature failure of the new IC.\u003c\/em\u003e\u003c\/p\u003e","brand":"Sanyo","offers":[{"title":"New","offer_id":48006075121818,"sku":"SC0007","price":26.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/9477\/8778\/files\/32-STK4044II_20Sanyo_20AF_20Power_20Amplifier.jpg?v=1778389462","url":"https:\/\/prellelectronics.com\/products\/stk4044ii-sanyo-mono-power-amplifier-hybrid-ic-100w","provider":"Prell Electronics","version":"1.0","type":"link"}