{"product_id":"audio-research-ls7-pre-amplifier-black-pre-owned","title":"Audio Research LS7 Pre-Amplifier, Black, Pre-Owned","description":"\u003cp\u003eThe LS7 is a Tube Line Stage preamplifier made by Audio Research in the mid 90’s. It uses four 6922\/E88CC dual-triode tubes with a regulated solid-state power supply. It was traditionally paired with the VT60 tube stereo amplifier which was introduced with the LS7.\u003c\/p\u003e\n\u003c!-- TABS --\u003e\n\u003ch5\u003eOVERVIEW\u003c\/h5\u003e\n\u003cp\u003eVery Good condition Pre-Owned Audio Research LS7 Black\u003cbr\u003e\u003cbr\u003eWill be professionally packed for shipping \u003cbr\u003e\u003cbr\u003eRated 7\/10 for cosmetic wear consistent with age and use Tubes have been replaced\u003c\/p\u003e\n\u003ch5\u003eSPECIFICATIONS\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube Complement:\u003c\/strong\u003e 4 × 6922 \/ E88CC dual triodes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInputs:\u003c\/strong\u003e 5 × line-level — Tape, Tuner, CD, Video, Aux\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain Outputs:\u003c\/strong\u003e 1 × stereo RCA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTape Output:\u003c\/strong\u003e 1 × stereo RCA, fixed level\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Impedance:\u003c\/strong\u003e 100 kΩ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Impedance:\u003c\/strong\u003e 200 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGain:\u003c\/strong\u003e 13 dB main output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e ±0.5 dB, 1 Hz–100 kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e Solid-state, electronically regulated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControls:\u003c\/strong\u003e Gain, input selector, power, mute\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 19\" W × 5.25\" H × 10.25\" D\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 9.8 lb (4.5 kg)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntroduced:\u003c\/strong\u003e 1994\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eADDITIONAL INFORMATION\u003c\/h5\u003e\n\u003cp\u003ePlease call 734.662.3595 and ask for Richard if you have any questions about this product.\u003cbr\u003e\u003cbr\u003eWe make every effort to update our ads quickly when inventory fluctuates, but we encourage you to call and check product availability, as we are also a brick and mortar store.\u003c\/p\u003e\n\u003c!-- \/TABS --\u003e","brand":"Audio Research","offers":[{"title":"Default Title","offer_id":43815068434495,"sku":null,"price":1295.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0242\/3334\/5087\/files\/IMG_2026-09-01-153649.png?v=1788292254","url":"https:\/\/www.paragonsns.com\/products\/audio-research-ls7-pre-amplifier-black-pre-owned","provider":"Paragon Sight \u0026 Sound","version":"1.0","type":"link"}