{"product_id":"stk4191v-22-pin-sanyo-audiophile-stereo-amplifier-ic-50w","title":"STK4191V Sanyo AF Power Amplifier 22 Pin Version","description":"\u003ch3\u003eRare 22-Pin Variant: 50W+50W Audiophile Stereo Power Amplifier\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSTK4191V (22-Pin Version)\u003c\/strong\u003e is a specialized edition of Sanyo’s high-fidelity 50W stereo hybrid IC. While the standard 18-pin model is common, this 22-pin variant was custom-engineered for specific high-end Japanese audio chassis (such as those from Sony and Kenwood) to provide enhanced mechanical stability and specialized heat dissipation.\u003c\/p\u003e\n\n\u003cp\u003eFunctionally, it maintains the elite \"V-Series\" specifications: a massive 50 Watts per channel with an ultra-low Total Harmonic Distortion (THD) of \u003cstrong\u003e0.08%\u003c\/strong\u003e. This is the master-grade choice for technicians performing precise, \"like-for-like\" restorations on premium vintage hardware.\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 50W + 50W (at 8Ω, 20Hz to 20kHz, THD = 0.08%).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpecialized Package:\u003c\/strong\u003e 22-Pin SIP for specific OEM PCB layouts.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAudiophile Performance:\u003c\/strong\u003e Internal current mirror circuit ensures clinical signal purity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThermal Excellence:\u003c\/strong\u003e Larger substrate surface area for improved heat transfer to the main sink.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e 20Hz to 50kHz (+0, -3dB).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eImportant Compatibility Note:\u003c\/h4\u003e\n\u003cp\u003ePlease verify your PCB layout before ordering. This \u003cstrong\u003e22-pin module\u003c\/strong\u003e is intended for specific circuit boards designed for the wider package. While it shares the same electrical performance as the 18-pin version, the physical footprint is distinct. \u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eTechnician's Note: As with all V-series modules, a high-quality heatsink and fresh thermal paste are mandatory. Check your rail voltages (Recommended ±35.5V) to ensure the 0.08% THD rating is achieved.\u003c\/em\u003e\u003c\/p\u003e","brand":"Sanyo","offers":[{"title":"New","offer_id":48013255934106,"sku":"SC0008","price":36.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/9477\/8778\/files\/5-STK4191V_20Sanyo_20AF_20Power_20Amplifier_2022_20Pin_20Version.jpg?v=1778557020","url":"https:\/\/prellelectronics.com\/products\/stk4191v-22-pin-sanyo-audiophile-stereo-amplifier-ic-50w","provider":"Prell Electronics","version":"1.0","type":"link"}