{"product_id":"stk4151ii-sanyo-stereo-amplifier-hybrid-ic-30w-30w","title":"STK4151II Sanyo AF Amplifier Module","description":"\u003ch3\u003eClassic 2-Channel AF Power Amplifier Hybrid IC\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSTK4151II\u003c\/strong\u003e is a renowned thick-film hybrid integrated circuit from Sanyo's STK series. Designed specifically for high-fidelity audio amplification, this module provides a reliable 30W + 30W stereo output, making it the go-to replacement part for many classic 1980s and 90s stereo receivers.\u003c\/p\u003e\n\n\u003cp\u003eThe \"Series II\" designation indicates an improved internal circuit architecture that ensures low harmonic distortion and enhanced thermal stability compared to standard modules.\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 30W + 30W (at 8?, THD = 0.3%)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 2-Channel Stereo (SIP-22 Package)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e 20Hz to 20kHz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in Muting Circuit:\u003c\/strong\u003e Features internal circuitry to suppress \"thump\" noises during power-on\/off sequences.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e Recommended ±27.5V (Max ±42V)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation \u0026amp; Safety:\u003c\/h4\u003e\n\u003cp\u003eEnsure that the device is mounted securely to a clean heatsink using \u003cstrong\u003ethermal silicone grease\u003c\/strong\u003e. Failure to provide adequate cooling will result in immediate thermal runaway and permanent damage to the IC.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: For best results, it is recommended to check the filter capacitors in the power supply section of your amplifier when replacing this module.\u003c\/em\u003e\u003c\/p\u003e","brand":"Sanyo","offers":[{"title":"New","offer_id":48006073811098,"sku":"SC0007","price":21.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/9477\/8778\/files\/3-STK4151II_20Sanyo_20AF_20Amplifier_20Module.jpg?v=1778389377","url":"https:\/\/prellelectronics.com\/products\/stk4151ii-sanyo-stereo-amplifier-hybrid-ic-30w-30w","provider":"Prell Electronics","version":"1.0","type":"link"}