{"product_id":"audio-research-reference-7-preamplifier","title":"Audio Research Reference 7 Preamplifier","description":"\u003cp\u003eThe Reference 7 is Audio Research's more attainable entry into the Reference 20 platform, built to bring the Reference 20's design advances to a wider audience.\u003c\/p\u003e\u003cp\u003eIt shares the Reference 20's layered, multi-metal chassis and mass-loaded circuit boards, with a solid-state regulated power supply and reference-grade output coupling capacitors, built around four 6H30P dual-triode tubes.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDesign lineage: shares circuit development with the Reference 20 flagship\u003c\/li\u003e\n\u003cli\u003eFull electrical spec sheet: to be confirmed against Audio Research's PDF spec sheet before publishing exact tube count, gain and THD figures\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Audio Research","offers":[{"title":"Default Title","offer_id":53145004900669,"sku":"ARC-REF7","price":28000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/5741\/8813\/files\/Ref7-front-top-1500.jpg?v=1791431075","url":"https:\/\/audio-concepts.com\/products\/audio-research-reference-7-preamplifier","provider":"AudioConcepts","version":"1.0","type":"link"}