{"product_id":"stk4048ii-sanyo-mono-power-amplifier-hybrid-ic-150w","title":"STK4048II Sanyo AF Power Amplifier","description":"\u003ch3\u003eHigh-Output 150W Mono Power Amplifier Module\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSTK4048II\u003c\/strong\u003e is a powerhouse thick-film hybrid integrated circuit from Sanyo. As one of the highest-rated modules in the 40xx series, it delivers a massive \u003cstrong\u003e150 Watts\u003c\/strong\u003e of continuous power. This mono module is the industry-standard replacement for flagship vintage stereo receivers, high-power subwoofers, and professional stage monitoring equipment.\u003c\/p\u003e\n\n\u003cp\u003eThe \"Series II\" design is engineered for heavy-duty reliability, featuring a built-in constant-current circuit that significantly reduces power-on and power-off \"thump\" or shock noise, protecting your high-end speaker drivers.\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 150W Minimum (at 8Ω, 20Hz to 20kHz, THD = 0.4%).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Mono (Single Channel) in an 18-pin SIP package.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDistortion:\u003c\/strong\u003e 0.4% THD at full power; 0.3% THD at 1.0W (1kHz).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e Ultra-wide bandwidth from 20Hz to 50kHz.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e Recommended supply of ±59V (Absolute Maximum ±87V).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatility:\u003c\/strong\u003e Member of a pin-compatible series (120W to 200W), allowing for flexible design and repairs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eTechnician's Installation Guide:\u003c\/h4\u003e\n\u003cp\u003eDue to the 150W output rating, the STK4048II generates significant thermal energy. It \u003cstrong\u003emust\u003c\/strong\u003e be mounted to a heavy-duty heatsink using high-grade thermal compound. Ensure that your power supply filter capacitors are fully discharged before installation, as the high rail voltages (up to ±87V) can be lethal to both the technician and the new IC.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eSafety Note: We recommend checking the output protection relay and emitter resistors before powering up, as a previous failure in the speaker lines often damages these components along with the original IC.\u003c\/em\u003e\u003c\/p\u003e","brand":"Sanyo","offers":[{"title":"New","offer_id":48006074990746,"sku":"SC0007","price":38.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/9477\/8778\/files\/29-STK4048II_20Sanyo_20AF_20Power_20Amplifier.jpg?v=1778389454","url":"https:\/\/prellelectronics.com\/products\/stk4048ii-sanyo-mono-power-amplifier-hybrid-ic-150w","provider":"Prell Electronics","version":"1.0","type":"link"}