{"product_id":"prt12a-upgraded-2-channel-tube-preamp-imported-capacitors-ac-115v-input-amp-psvane-art-12au7-s-tubes","title":"PRT12A Upgraded 2-Channel Tube Preamp Imported Capacitors (AC 115V Input \u0026amp; PSVANE ART 12AU7-S Tubes)","description":"\u003cp\u003e\u003cb\u003ePRT12A Upgraded 2-Channel Tube Preamp Imported Capacitors (AC 115V Input \u0026amp; PSVANE ART 12AU7-S Tubes)\u003cbr\u003e\u003cbr\u003eDescription:\u003c\/b\u003e\u003cbr\u003eThe PRT12A upgraded preamplifier is based on the circuitry of the American CARY-SLP90. The CARY-SLP90 is a pioneering triode preamplifier by CARY, known for its fast response. Unlike conventional designs, the CARY-SLP90 delivers high detail and richness in the mid and low frequencies.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003cbr\u003e* The upgraded version uses a selection of imported capacitors and resistors, with gold-plated tube sockets.\u003cbr\u003e* The remote volume control board adopts a 127-step relay pure resistor shunt design, ensuring constant impedance, with 0.5dB per step and a total attenuation of 63.5dB. Original precision resistors for DALE\/VISHAY (USA) are used.\u003cbr\u003e* Audio output mute function\u003cbr\u003e* Power-off memory function (restores the previous state when powered on)\u003cbr\u003e* One-touch volume return function\u003cbr\u003e* Supports 4 stereo audio inputs and 1 output\u003cbr\u003e* With 4 PSVANE ECC82 or 12AU7-S gold-pin tubes\u003cbr\u003e* Pure copper, gold-plated RCA connectors\u003cbr\u003e* 30VA high-end oxygen-free copper R-core transformer\u003cbr\u003e* Full aluminum chassis\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSpecifications:\u003c\/b\u003e\u003cbr\u003e* Gain: About 10×\u003cbr\u003e* Input Impedance: 47K\u003cbr\u003e* Signal-to-Noise Ratio: 90dB\u003cbr\u003e* Frequency Response: 10Hz-30KHz\u003cbr\u003e* Distortion: ≤1%\u003cbr\u003e* Input: 4 Groups of Stereo RCA\u003cbr\u003e* Output: 1 Group of Stereo RCA\u003cbr\u003e* Optional Operating Voltage: AC 115V or AC 230V\u003cbr\u003e* Dimensions (W × D × H): 320mm × 308mm × 90mm\u003cbr\u003e* Display Screen Color: Default Red, Blue Optional\u003cbr\u003e* Net Weight: Approx. 4.7kg\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePacking List:\u003c\/b\u003e\u003cbr\u003e* 1 × Finished Preamp\u003cbr\u003e* 1 × Remote Control\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackaging Details:\u003c\/b\u003e\u003cbr\u003e* Weight: 6kg\u003cbr\u003e\u003cbr\u003e\u003cb\u003e\u003cfont color=\"#ff0000\"\u003eNote:\u003cbr\u003e* AC power cable and batteries are not included.\u003cbr\u003e* You can contact customer service to purchase the matching full aluminum remote control, additional cost required.\u003cbr\u003e\u003c\/font\u003e\u003c\/b\u003e\u003cbr\u003e\u003cimg style=\"width: 800px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/98126\/98126-01.jpg\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 800px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/98126\/98126-02.jpg\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 800px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/98126\/98126-03.jpg\"\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Thanksbuyer Online,SDR Radio, Testers and Measurement devices, Astronomy products, Audio Amplifer and Decoders","offers":[{"title":"Default Title","offer_id":41019771093041,"sku":"98128","price":533.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0578\/4790\/6353\/files\/1755756489-2.jpg?v=1780024719","url":"https:\/\/www.thanksbuyer.com\/fr\/products\/prt12a-upgraded-2-channel-tube-preamp-imported-capacitors-ac-115v-input-amp-psvane-art-12au7-s-tubes","provider":"Thanksbuyer Online,SDR Radio, Testers and Measurement devices, Astronomy products,  Audio Amplifer and Decoders","version":"1.0","type":"link"}