{"product_id":"prt12a-stereo-preamplifier-preamp-ac-230v-input-without-vacuum-tubes-comes-with-remote-control","title":"PRT12A Stereo Preamplifier Preamp (AC 230V Input without Vacuum Tubes) Comes with Remote Control","description":"\u003cp\u003e\u003cb\u003ePRT12A Stereo Preamplifier Preamp (AC 230V Input without Vacuum Tubes) Comes with Remote Control\u003cbr\u003e\u003cbr\u003eFeatures:\u003c\/b\u003e\u003cbr\u003e* The remote volume control board uses a 127-step relay-based pure resistive shunt control, maintaining constant impedance, with 0.5dB increments and a total attenuation of 63.5dB.\u003cbr\u003e* It includes an audio output mute function.\u003cbr\u003e* It features a power-off memory function, allowing the unit to return to the previous state each time it is turned on.\u003cbr\u003e* It offers a one-key volume return function.\u003cbr\u003e* Supports 4-channel stereo audio input and 1-channel output.\u003cbr\u003e* Employs pure copper gold-plated RCA terminals.\u003cbr\u003e* Equipped with a 30VA high-end oxygen-free copper R-core transformer.\u003cbr\u003e* Constructed with an all-aluminum chassis. \u003cbr\u003e\u003cb\u003e\u003cbr\u003eSpecifications:\u003c\/b\u003e\u003cbr\u003e* Gain: Approximately 10×\u003cbr\u003e* Input Impedance: 47kΩ\u003cbr\u003e* SNR: 90dB\u003cbr\u003e* Frequency Response: 10Hz-30kHz\u003cbr\u003e* Distortion: ≤1%\u003cbr\u003e* Input: 4 sets of stereo RCA\u003cbr\u003e* Output: 1 set of stereo RCA\u003cbr\u003e* Color: Black\u003cbr\u003e* Optional Operating Voltage: AC 115V or AC 230V\u003cbr\u003e* Dimensions (W × H × D): 320mm × 90mm × 308mm (12.6\" × 3.5\" × 12.1\")\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePacking List:\u003c\/b\u003e\u003cbr\u003e* 1 × Finished Preamplifier\u003cbr\u003e* 1 × Remote Control\u003cbr\u003e\u003cb\u003e\u003cbr\u003ePackaging Details:\u003c\/b\u003e\u003cbr\u003e* Weight: 6kg\u003cbr\u003e\u003cb\u003e\u003cfont color=\"#ff0000\"\u003e\u003cbr\u003eNote:\u003cbr\u003e* AC power cable and battery are not included.\u003c\/font\u003e\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg style=\"width: 800px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/98118\/98113-01.jpg\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 800px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/98118\/98113-02.jpg\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 800px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/98118\/98113-03.jpg\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg style=\"width: 800px;\" src=\"https:\/\/www.comseek.com\/image\/catalog\/98118\/98113-04.jpg\"\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":41019770667057,"sku":"98116","price":377.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0578\/4790\/6353\/files\/1755746615-1.jpg?v=1780024619","url":"https:\/\/www.thanksbuyer.com\/products\/prt12a-stereo-preamplifier-preamp-ac-230v-input-without-vacuum-tubes-comes-with-remote-control","provider":"Thanksbuyer Online,SDR Radio, Testers and Measurement devices, Astronomy products,  Audio Amplifer and Decoders","version":"1.0","type":"link"}