{"product_id":"yaqin-ms-12b-tube-preamp-with-mm-phono-dual-outputs-trade-in","title":"Yaqin MS-12B Tube Preamp with MM Phono, Dual Outputs (Trade-in)","description":"\u003cp\u003eExcellent condition with upgraded tubes and power cord. This is not a remote controlled pre. No sales tax.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor use with CD\/ DVD or streaming DAC, and vinyl LP's (RIAA)\u003c\/p\u003e\n\u003cp\u003eAmplifier provided with output of hight\/low two electric levels, namely (0.7V\/0.2V), so that it is applicable to pure post-stage amplifier and integrated amplifier\u003c\/p\u003e\n\u003cp\u003eBlack lacquer pickup amplifier adopts negative-negative feedback typed equalization circuit, in conformity to RIAA standards with good acoustic quality.\u003c\/p\u003e\n\u003cp\u003eThe preceding stage amplifier takes a negative pole output circuit, featuring an advantage of transmission with low impedance.\u003c\/p\u003e\n\u003cp\u003eTouch typed relay transformation is adopted for signal transformation. \u003c\/p\u003e\n\u003cp\u003eThe filament of electron tube refers to DC power supply, So that noise with this amplifier is minimized.\u003c\/p\u003e\n\u003cp\u003eThis amplifier is manufactured by using linked capactitance special for import audio frequency (MKP) as well as filtration electrolyse and quality metal resistance special for import acoustics.\u003c\/p\u003e\n\u003cp\u003eThe power supply transformer is made of oxygen-free enameled copper wire and \u003c\/p\u003e\n\u003cp\u003esilicon steel plate special for import acoustics.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e  Input Power  \u003c\/p\u003e\n\u003cp\u003e  110V 60Hz\/50Hz (100V, 110V, 120V, 127V, 230V, 240V version will take 3-14 work days to order) \u003c\/p\u003e\n\u003cp\u003e Output Power  \u003c\/p\u003e\n\u003cp\u003e  12AX7 × 2 (Phono voltage amplifier), 12AU7 × 2 (Voltage amplifier)\u003c\/p\u003e\n\u003cp\u003e Output Voltages   \u003c\/p\u003e\n\u003cp\u003e Dual outputs of either 0.25V or 0.7V\u003c\/p\u003e\n\u003cp\u003e 0.25V (for integrated amplifier)  \u003c\/p\u003e\n\u003cp\u003e 0.7V (for power amplifier or second gear)\u003c\/p\u003e\n\u003cp\u003e Output Jacks    \u003c\/p\u003e\n\u003cp\u003e Two channels two group gold plated RCA jacks\u003c\/p\u003e\n\u003cp\u003e Input Sensitivity  \u003c\/p\u003e\n\u003cp\u003e ≤0.25V (Preamplifier)\u003c\/p\u003e\n\u003cp\u003e ≤5mV (Phono stage)\u003c\/p\u003e\n\u003cp\u003e Input Jacks \u003c\/p\u003e\n\u003cp\u003e  Two Groups gold plated RCA jacks (CD\/DVD\u003c\/p\u003e\n\u003cp\u003e and Phono)\u003c\/p\u003e\n\u003cp\u003e Harmonic Distortion \u003c\/p\u003e\n\u003cp\u003e ≤0.2％ (Preamplifier)\u003c\/p\u003e\n\u003cp\u003e Frequency Response  \u003c\/p\u003e\n\u003cp\u003e ≤0.5% (Phono stage)\u003c\/p\u003e\n\u003cp\u003e  15Hz ~ 100KHz (-2.0dB)\u003c\/p\u003e\n\u003cp\u003e Signal-to-Noise Ratio   \u003c\/p\u003e\n\u003cp\u003e \u0026gt;75dB (CD\/DVD input 0.5V 1KHz, output 0.7V)\u003c\/p\u003e\n\u003cp\u003e \u0026gt;65dB (Phono input 10mV 1KHz, output 0.7V)\u003c\/p\u003e\n\u003cp\u003e Phono Stage Suitability  \u003c\/p\u003e\n\u003cp\u003e  MM cartridge phonograph\u003c\/p\u003e\n\u003cp\u003e Size Dimension  \u003c\/p\u003e\n\u003cp\u003e  Width 190mm x Height 180mm x Depth 290mm\u003c\/p\u003e\n\u003cp\u003e Colour  \u003c\/p\u003e\n\u003cp\u003e  Silver Body \u0026amp; Black Power Supply\u003c\/p\u003e\n\u003cp\u003e Weight  \u003c\/p\u003e\n\u003cp\u003e  5kg\u003c\/p\u003e\n\u003cp\u003e Packing Includes  \u003c\/p\u003e\n\u003cp\u003e  All Tubes \u0026amp; 1.5m Power Cord\u003c\/p\u003e","brand":"Stereo Untypical","offers":[{"title":"Default Title","offer_id":45051254079535,"sku":null,"price":300.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0095\/0137\/6559\/files\/yaqin-ms12b-pre-amp-12ax7-x2-tube-integrated-w-phono.jpg?v=1773439539","url":"https:\/\/stereo-untypical.com\/products\/yaqin-ms-12b-tube-preamp-with-mm-phono-dual-outputs-trade-in","provider":"Stereo Untypical","version":"1.0","type":"link"}