{"product_id":"audio-research-reference-80s-stereo-power-amplifier","title":"Audio Research Reference 80S Stereo Power Amplifier","description":"\u003cp\u003eThe Reference 80S packs Reference-level tube amplification into the most accessible entry in the range, with two KT150 output tubes per channel delivering 70 watts. Like every Reference amplifier before it, the 80S is a fully balanced differential design built on a four-layer circuit board with a separate ground plane. Switchable Triode or Pentode operation, a proprietary auto-bias circuit that compensates for tube age and line voltage, XLR and single-ended inputs, and 4-8-16 ohm taps make it a tube amplifier that never requires fiddling. It is built by hand in Audio Research's Maple Grove, Minnesota facility.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:1.5em\"\u003eInputs\u003c\/th\u003e\n\u003ctd\u003eBalanced XLR and single-ended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:1.5em\"\u003eOperating modes\u003c\/th\u003e\n\u003ctd\u003eSwitchable Pentode \/ Triode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:1.5em\"\u003eOutput taps\u003c\/th\u003e\n\u003ctd\u003e4, 8 and 16 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:1.5em\"\u003ePower output\u003c\/th\u003e\n\u003ctd\u003e70 watts per channel continuous, 20Hz to 20kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:1.5em\"\u003eTube biasing\u003c\/th\u003e\n\u003ctd\u003eProprietary auto-bias with line-voltage compensation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:1.5em\"\u003eTube complement\u003c\/th\u003e\n\u003ctd\u003eTwo matched pairs KT150 output, two 6H30 gain stage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:1.5em\"\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e62 lbs net\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eCall or visit the showroom about availability.\u003c\/strong\u003e Contact our team for pricing, a demonstration, or system design — \u003ca href=\"\/pages\/contact\"\u003eget in touch\u003c\/a\u003e.\u003c\/p\u003e","brand":"Audio Research","offers":[{"title":"Default Title","offer_id":50417943249089,"sku":null,"price":23000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0869\/8340\/9857\/files\/Ref80s-6.jpg?v=1785024460","url":"https:\/\/soundsanctuaryaustin.com\/products\/audio-research-reference-80s-stereo-power-amplifier","provider":"Sound Sanctuary Austin","version":"1.0","type":"link"}