{"product_id":"unison-research-reference-pre-open-box","title":"Unison Research Reference Pre (Open Box)","description":"\u003cp\u003eOpen Box version of the Unison Research Reference Pre.  Limited quantity available.\u003c\/p\u003e\n\u003cp\u003eSee the full \u003ca title=\"Unison Research Reference Pre Full Listing\" href=\"\/collections\/unison-research\/products\/unison-research-reference-pre-stereo-tube-preamplifier\"\u003eUnison Research Reference Pre Listing\u003c\/a\u003e for product details.\u003c\/p\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eValve preamplifier, dual mono, two chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubes:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 x 300B, 2 x ECC82, 4 x ECC83, 6 x 6C45P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePhono Tubes:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 x 6C45P, 2 x ECC83\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperation:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePure Class A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInputs:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 x RCA, 2 x XLR, 1 x Tape, 2 x Phono\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutputs:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 x RCA, 1 x XLR, 1 x Tape (active), 1 x Subwoofer (active)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Link:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePower-on link for Reference power amps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Impedance:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e47k Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePhono Input Impedance:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSelectable resistance and capacitance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGain (Preamp):\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGain (Phono):\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e45–55 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRIAA Equalization:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePassive ±0.2 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBandwidth:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 Hz –\u0026gt; 100 kHz @ –0.3 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNegative Feedback:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 dB line, 0 dB phono\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDistortion:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e320 W max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e45 cm x 56 cm x H 22 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNet Weight:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30 kg \/ 66 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Unison Research","offers":[{"title":"Default Title","offer_id":67848721990001,"sku":"URREFPREOB","price":15249.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0923\/5215\/1921\/files\/UnisonResearchReferencePreStereoTubePreamplifierFrontView.jpg?v=1792519140","url":"https:\/\/sliyden.store\/products\/unison-research-reference-pre-open-box","provider":"sliyden.store","version":"1.0","type":"link"}