{"product_id":"audio-research-reference-7","title":"Audio Research - Reference 7","description":"\u003cp\u003e\u003cstrong\u003eAudio Research - Reference 7\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLine-Stage Preamplifier\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReference, Reimagined\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Reference 7 was created to bring the full measure of Audio Research’s latest work and advancement to a broader expression of the reference preamplifier.\u003cbr\u003eRather than adapting an existing design, it is derived directly from the same ground-up development that produced the Reference 20. The objective was clear: to carry forward the essential advances of this new platform while delivering a product of exceptional focus, purity, and musical truth.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShared Foundations\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCentral to the Reference 7 is the same mechanical architecture that defines the Reference 20.\u003c\/p\u003e\n\u003cp\u003eA multi-metal, layered chassis manages resonance through controlled energy distribution. While the custom suspended mass-loaded circuit boards protect the integrity of the signal path. These are core elements of the design, carried forward to preserve the transparency achieved in the flagship platform.\u003c\/p\u003e\n\u003cp\u003eSecond only to the REF20, the result is a level of clarity and spatial resolution sheer presence that meaningfully advances the Reference 7 even beyond the prior flagship model.\u003c\/p\u003e\n\u003cdiv class=\"vc_custom_heading_wrap\"\u003e\n\u003cdiv class=\"heading-text el-text\"\u003e\n\u003cp class=\"font-156269 h6 font-weight-400 text-uppercase\"\u003e\u003cstrong\u003eTECHNICAL SPECIFICATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"empty-space empty-quart\"\u003e\n\u003cspan class=\"empty-space-inner\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"uncode_text_column\"\u003e\n\u003cdiv class=\"wptb-root wptb-table-135473 wptb-style-isolation\" data-table-id=\"135473\" style=\"margin-left: auto !important; margin-right: auto !important; max-width: 100%;\" data-last-device=\"desktop\"\u003e\n\u003cdiv class=\"wptb-table-wrapper\" data-table-id=\"135473\"\u003e\n\u003cdiv class=\"wptb-table-container\" style=\"overflow-x: auto; overflow-y: hidden;\"\u003e\n\u003ctable class=\"wptb-table wptb-has-link-color\" style=\"min-width: 320px; border: 1px rgb(229, 229, 229); border-collapse: collapse; border-spacing: 3px 3px; --wptb-link-color: #000000; --wptb-inner-border: 1px rgb(229, #e5e5e5; --wptb-inner-radius: 0px;\"\u003e\n\u003ccolgroup\u003e\n\u003ccol class=\"\" style=\"width: 167px; min-width: 167px;\"\u003e\n\u003ccol class=\"\"\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr class=\"wptb-row\"\u003e\n\u003ctd class=\"wptb-cell\" colspan=\"1\" rowspan=\"1\" data-row=\"0\" data-col=\"0\" style=\"padding: 7px; border: 1px solid rgb(229, 229, 229); background: #eeeeee; vertical-align: middle; color: #000000; font-size: 15px;\"\u003e\n\u003cdiv class=\"wptb-cell-content\"\u003e\n\u003cdiv class=\"wptb-text-container\" style=\"color: #4a4a4a; font-size: 11px; padding: 0px; margin: 0px;\"\u003e\n\u003cdiv\u003e\n\u003cp style=\"text-align: right;\"\u003eFrequency Response\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"wptb-cell wptb-row-ending-cell\" colspan=\"1\" rowspan=\"1\" data-row=\"0\" data-col=\"1\" style=\"padding: 7px; border: 1px solid rgb(229, 229, 229); background: #eeeeee; vertical-align: middle; color: #000000; font-size: 15px;\"\u003e\n\u003cdiv class=\"wptb-cell-content\"\u003e\n\u003cdiv class=\"wptb-text-container\" style=\"color: #4a4a4a; font-size: 11px; padding: 0px; margin: 0px;\"\u003e\n\u003cdiv\u003e\n\u003cp style=\"text-align: justify;\"\u003e13.6Hz to 24kHz at -1dB, 84.5kHz at -3dB\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"wptb-row\"\u003e\n\u003ctd class=\"wptb-cell\" colspan=\"1\" rowspan=\"1\" data-row=\"1\" data-col=\"0\" style=\"padding: 7px; border: 1px solid rgb(229, 229, 229); background: #ffffff; vertical-align: middle; color: #000000; font-size: 15px;\"\u003e\n\u003cdiv class=\"wptb-cell-content\"\u003e\n\u003cdiv class=\"wptb-text-container\" style=\"color: #4a4a4a; font-size: 11px; padding: 0px; margin: 0px;\"\u003e\n\u003cdiv\u003e\n\u003cp style=\"text-align: right;\"\u003eTHD+Noise\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"wptb-cell wptb-row-ending-cell\" colspan=\"1\" rowspan=\"1\" data-row=\"1\" data-col=\"1\" style=\"padding: 7px; border: 1px solid rgb(229, 229, 229); background: #ffffff; vertical-align: middle; color: #000000; font-size: 15px;\"\u003e\n\u003cdiv class=\"wptb-cell-content\"\u003e\n\u003cdiv class=\"wptb-text-container\" style=\"color: #4a4a4a; font-size: 11px; padding: 0px; margin: 0px;\"\u003e\n\u003cdiv\u003e\n\u003cp style=\"text-align: justify;\"\u003e0.003% Balanced, 0.02% Single Ended\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"wptb-row\"\u003e\n\u003ctd class=\"wptb-cell\" colspan=\"1\" rowspan=\"1\" data-row=\"2\" data-col=\"0\" style=\"padding: 7px; border: 1px solid rgb(229, 229, 229); background: #eeeeee; vertical-align: middle; color: #000000; font-size: 15px;\"\u003e\n\u003cdiv class=\"wptb-cell-content\"\u003e\n\u003cdiv class=\"wptb-text-container\" style=\"color: #4a4a4a; font-size: 11px; padding: 0px; margin: 0px;\"\u003e\n\u003cdiv\u003e\n\u003cp style=\"text-align: right;\"\u003eGain - Main output\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"wptb-cell wptb-row-ending-cell\" colspan=\"1\" rowspan=\"1\" data-row=\"2\" data-col=\"1\" style=\"padding: 7px; border: 1px solid rgb(229, 229, 229); background: #eeeeee; vertical-align: middle; color: #000000; font-size: 15px;\"\u003e\n\u003cdiv class=\"wptb-cell-content\"\u003e\n\u003cdiv class=\"wptb-text-container\" style=\"color: #4a4a4a; font-size: 11px; padding: 0px; margin: 0px;\"\u003e\n\u003cdiv\u003e\n\u003cp style=\"text-align: justify;\"\u003e12dB Balanced output, 6dB Single Ended output\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"wptb-row\"\u003e\n\u003ctd class=\"wptb-cell\" colspan=\"1\" rowspan=\"1\" data-row=\"3\" data-col=\"0\" style=\"padding: 7px; border: 1px solid rgb(229, 229, 229); background: #ffffff; vertical-align: middle; color: #000000; font-size: 15px;\"\u003e\n\u003cdiv class=\"wptb-cell-content\"\u003e\n\u003cdiv class=\"wptb-text-container\" style=\"color: #4a4a4a; font-size: 11px; padding: 0px; margin: 0px;\"\u003e\n\u003cdiv\u003e\n\u003cp style=\"text-align: right;\"\u003eInput Impedance\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"wptb-cell wptb-row-ending-cell\" colspan=\"1\" rowspan=\"1\" data-row=\"3\" data-col=\"1\" style=\"padding: 7px; border: 1px solid rgb(229, 229, 229); background: #ffffff; vertical-align: middle; color: #000000; font-size: 15px;\"\u003e\n\u003cdiv class=\"wptb-cell-content\"\u003e\n\u003cdiv class=\"wptb-text-container\" style=\"color: #4a4a4a; font-size: 11px; padding: 0px; margin: 0px;\"\u003e\n\u003cdiv\u003e\n\u003cp style=\"text-align: justify;\"\u003e50K ohms Balanced, 25K ohms Single Ended\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"wptb-row\"\u003e\n\u003ctd class=\"wptb-cell\" colspan=\"1\" rowspan=\"1\" data-row=\"4\" data-col=\"0\" style=\"padding: 7px; border: 1px solid rgb(229, 229, 229); background: #eeeeee; vertical-align: middle; color: #000000; font-size: 15px;\"\u003e\n\u003cdiv class=\"wptb-cell-content\"\u003e\n\u003cdiv class=\"wptb-text-container\" style=\"color: #4a4a4a; font-size: 11px; padding: 0px; margin: 0px;\"\u003e\n\u003cdiv\u003e\n\u003cp style=\"text-align: right;\"\u003eOutput Impedance\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"wptb-cell wptb-row-ending-cell\" colspan=\"1\" rowspan=\"1\" data-row=\"4\" data-col=\"1\" style=\"padding: 7px; border: 1px solid rgb(229, 229, 229); background: #eeeeee; vertical-align: middle; color: #000000; font-size: 15px;\"\u003e\n\u003cdiv class=\"wptb-cell-content\"\u003e\n\u003cdiv class=\"wptb-text-container\" style=\"color: #4a4a4a; font-size: 11px; padding: 0px; margin: 0px;\"\u003e\n\u003cdiv\u003e\n\u003cp style=\"text-align: justify;\"\u003e600 ohms Balanced, 300 ohms Single Ended Main Out\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e200 ohms Balanced, 100 ohms Single Ended Sub Out\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"wptb-row\"\u003e\n\u003ctd class=\"wptb-cell\" colspan=\"1\" rowspan=\"1\" data-row=\"5\" data-col=\"0\" style=\"padding: 7px; border: 1px solid rgb(229, 229, 229); background: #ffffff; vertical-align: middle; color: #000000; font-size: 15px;\"\u003e\n\u003cdiv class=\"wptb-cell-content\"\u003e\n\u003cdiv class=\"wptb-text-container\" style=\"color: #4a4a4a; font-size: 11px; padding: 0px; margin: 0px;\"\u003e\n\u003cdiv\u003e\n\u003cp style=\"text-align: right;\"\u003eOutput Polarity\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"wptb-cell wptb-row-ending-cell\" colspan=\"1\" rowspan=\"1\" data-row=\"5\" data-col=\"1\" style=\"padding: 7px; border: 1px solid rgb(229, 229, 229); background: #ffffff; vertical-align: middle; color: #000000; font-size: 15px;\"\u003e\n\u003cdiv class=\"wptb-cell-content\"\u003e\n\u003cdiv class=\"wptb-text-container\" style=\"color: #4a4a4a; font-size: 11px; padding: 0px; margin: 0px;\"\u003e\n\u003cdiv\u003e\n\u003cp style=\"text-align: justify;\"\u003eNon-inverting\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"wptb-row\"\u003e\n\u003ctd class=\"wptb-cell\" colspan=\"1\" rowspan=\"1\" data-row=\"6\" data-col=\"0\" style=\"padding: 7px; border: 1px solid rgb(229, 229, 229); background: #eeeeee; vertical-align: middle; color: #000000; font-size: 15px;\"\u003e\n\u003cdiv class=\"wptb-cell-content\"\u003e\n\u003cdiv class=\"wptb-text-container\" style=\"color: #4a4a4a; font-size: 11px; padding: 0px; margin: 0px;\"\u003e\n\u003cdiv\u003e\n\u003cp style=\"text-align: right;\"\u003eTube Complement\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"wptb-cell wptb-row-ending-cell\" colspan=\"1\" rowspan=\"1\" data-row=\"6\" data-col=\"1\" style=\"padding: 7px; border: 1px solid rgb(229, 229, 229); background: #eeeeee; vertical-align: middle; color: #000000; font-size: 15px;\"\u003e\n\u003cdiv class=\"wptb-cell-content\"\u003e\n\u003cdiv class=\"wptb-text-container\" style=\"color: #4a4a4a; font-size: 11px; padding: 0px; margin: 0px;\"\u003e\n\u003cdiv\u003e\n\u003cp style=\"text-align: justify;\"\u003e(4)-6H30P dual triodes\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"wptb-row\"\u003e\n\u003ctd class=\"wptb-cell\" colspan=\"1\" rowspan=\"1\" data-row=\"7\" data-col=\"0\" style=\"padding: 7px; border: 1px solid rgb(229, 229, 229); background: #ffffff; vertical-align: middle; color: #000000; font-size: 15px;\"\u003e\n\u003cdiv class=\"wptb-cell-content\"\u003e\n\u003cdiv class=\"wptb-text-container\" style=\"color: #4a4a4a; font-size: 11px; padding: 0px; margin: 0px;\"\u003e\n\u003cdiv\u003e\n\u003cp style=\"text-align: right;\"\u003ePower Requirements\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"wptb-cell wptb-row-ending-cell\" colspan=\"1\" rowspan=\"1\" data-row=\"7\" data-col=\"1\" style=\"padding: 7px; border: 1px solid rgb(229, 229, 229); background: #ffffff; vertical-align: middle; color: #000000; font-size: 15px;\"\u003e\n\u003cdiv class=\"wptb-cell-content\"\u003e\n\u003cdiv class=\"wptb-text-container\" style=\"color: #4a4a4a; font-size: 11px; padding: 0px; margin: 0px;\"\u003e\n\u003cdiv\u003e\n\u003cp style=\"text-align: justify;\"\u003e100-135VAC 60Hz (200-250VAC 50\/60Hz) 78 watts maximum.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003eStandby: 4.3 watts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"wptb-row\"\u003e\n\u003ctd class=\"wptb-cell\" colspan=\"1\" rowspan=\"1\" data-row=\"8\" data-col=\"0\" style=\"padding: 7px; border: 1px solid rgb(229, 229, 229); background: #eeeeee; vertical-align: middle; color: #000000; font-size: 15px;\"\u003e\n\u003cdiv class=\"wptb-cell-content\"\u003e\n\u003cdiv class=\"wptb-text-container\" style=\"color: #4a4a4a; font-size: 11px; padding: 0px; margin: 0px;\"\u003e\n\u003cdiv\u003e\n\u003cp style=\"text-align: right;\"\u003eDimensions\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"wptb-cell wptb-row-ending-cell\" colspan=\"1\" rowspan=\"1\" data-row=\"8\" data-col=\"1\" style=\"padding: 7px; border: 1px solid rgb(229, 229, 229); background: #eeeeee; vertical-align: middle; color: #000000; font-size: 15px;\"\u003e\n\u003cdiv class=\"wptb-cell-content\"\u003e\n\u003cdiv class=\"wptb-text-container\" style=\"color: #4a4a4a; font-size: 11px; padding: 0px; margin: 0px;\"\u003e\n\u003cdiv\u003e\n\u003cp style=\"text-align: justify;\"\u003eWidth 19” (48.26 cm)\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003eHeight 8 1\/8” (20.64 cm)\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003eDepth 19 1\/16” (48.42 cm) including handles and rear bumpers\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"wptb-row\"\u003e\n\u003ctd class=\"wptb-cell\" colspan=\"1\" rowspan=\"1\" data-row=\"9\" data-col=\"0\" style=\"padding: 7px; border: 1px solid rgb(229, 229, 229); background: #ffffff; color: #000000; font-size: 15px;\"\u003e\n\u003cdiv class=\"wptb-cell-content\"\u003e\n\u003cdiv class=\"wptb-text-container\" style=\"color: #4a4a4a; font-size: 11px; padding: 0px; margin: 0px;\"\u003e\n\u003cdiv\u003e\n\u003cp style=\"text-align: right;\"\u003eWeight\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"wptb-cell wptb-row-ending-cell\" colspan=\"1\" rowspan=\"1\" data-row=\"9\" data-col=\"1\" style=\"padding: 7px; border: 1px solid rgb(229, 229, 229); background: #ffffff; color: #000000; font-size: 15px;\"\u003e\n\u003cdiv class=\"wptb-cell-content\"\u003e\n\u003cdiv class=\"wptb-text-container\" style=\"color: #4a4a4a; font-size: 11px; padding: 0px; margin: 0px;\"\u003e\n\u003cdiv\u003e\n\u003cp style=\"text-align: justify;\"\u003e59.5 lbs. (27 kg) Net; 75 lbs. (34 kg) Shipping.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Audio Research","offers":[{"title":"Black","offer_id":47841084539036,"sku":null,"price":23800.0,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":47841084571804,"sku":null,"price":23800.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/0595\/9324\/files\/Screenshot2026-10-07at11-32-09AudioResearchReference7Preamplifier_AudioResearch.png?v=1791398056","url":"https:\/\/thesourceav.com\/products\/audio-research-reference-7","provider":"The Source AV","version":"1.0","type":"link"}