{"product_id":"12v-ac-dc-linear-power-supply-500ma-negative-center-pv-1250n","title":"12V AC-DC Linear Power Supply, 500mA (0.5A), Negative Center | PV-1250N","description":"\u003cp\u003eThe \u003cstrong\u003ePV-1250N\u003c\/strong\u003e is a heavy-duty, traditional AC-DC linear power supply providing a stable 12VDC output at a maximum current of 500mA (0.5A). Built as a robust, non-regulated transformer block, it delivers exceptional reliability and low-noise electrical performance for compatible electronic devices, guitar effects, and OEM legacy gear.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features \u0026amp; Specifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e PV-1250N\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e Standard 120VAC, 60Hz domestic input configuration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Performance:\u003c\/strong\u003e 12VDC @ 500mA (0.5 Amp max continuous output)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC Plug \u0026amp; Polarity:\u003c\/strong\u003e 2.1mm (ID) x 5.5mm (OD) Straight Barrel Plug, \u003cstrong\u003eCenter-Negative ( - )\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Linear \u0026amp; Non-Regulated Power Supply\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Technical Applications:\u003c\/h3\u003e\n\u003cp\u003eA 12VDC center-negative rating with a 2.1mm plug is highly specific and critical for specialized equipment, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuitar Effects Pedals \u0026amp; Audio Gear:\u003c\/strong\u003e Perfect replacement transformer for larger vintage guitar effects units, multi-effects processors, and legacy analog audio gear that require a clean 12V negative-center source without high-frequency switching noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVintage \u0026amp; Retro Electronics:\u003c\/strong\u003e Commonly found on older consumer electronics, legacy networking routers, and 1980s\/1990s desktop peripherals that utilize a traditional unregulated linear power curve.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLaboratory \u0026amp; DIY Testing:\u003c\/strong\u003e An ideal low-noise component for electrical engineering benches and hobbyist prototyping where switching power supplies introduce unwanted harmonic frequencies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Compatibility Notes:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolarity Warning:\u003c\/strong\u003e This adapter is strictly \u003cstrong\u003eCenter-Negative ( - )\u003c\/strong\u003e. Double-check your device's power port requirements before purchasing, as connecting this to a standard center-positive device can cause permanent electrical damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-Regulated Design:\u003c\/strong\u003e Utilizing a classic copper-wound transformer design, this unit provides raw, durable linear power. Because it is a non-regulated supply, the output voltage will naturally measure higher than 12V under \"no-load\" (unplugged) conditions. The voltage will accurately stabilize at 12VDC once it reaches its nominal load.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PHC Enterprise, Inc.","offers":[{"title":"Default Title","offer_id":44710394886,"sku":"PV-1250N","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2082\/0601\/products\/PV-1250N.JPG?v=1739897775","url":"https:\/\/www.acdcpowershack.com\/products\/12v-ac-dc-linear-power-supply-500ma-negative-center-pv-1250n","provider":"AC-DC PowerShack","version":"1.0","type":"link"}