{"product_id":"audio-research-ls17-se-line-stage-preamplifier-silver-pre-owned","title":"Audio Research LS17 SE Line Stage Preamplifier, Silver, Pre-Owned","description":"\u003cp\u003eInternally the LS17 SE builds on the architecture of the LS17 and adds SE upgrades to provide exceptional performance. New Teflon coupling capacitors as well as other internal performance enhancements combine to create a preamplifier offering greater detail, spatial cues and dynamic breadth. Two 6H30 twin triodes are at the heart of the Class A audio circuit. A custom designed power transformer provides serious current delivery. In concert, the components of the LS17 SE create a sound that will truly delight the listener – this is a preamplifier dedicated to delivering a great musical experience.\u003c\/p\u003e\n\u003c!-- TABS --\u003e\n\u003ch5\u003eOVERVIEW\u003c\/h5\u003e\n\u003cp\u003eVery Good Condition Consignment Audio Research LS17 SE Line Stage Preamplifier in silver \u003cbr\u003e\u003cbr\u003eOriginal box, power cable, remote \u003cbr\u003e\u003cbr\u003eRated 8\/10 for minor cosmetic wear consistent with age and use.\u003c\/p\u003e\n\u003ch5\u003eSPECIFICATIONS\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Vacuum tube stereo line-stage preamplifier\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube complement:\u003c\/strong\u003e 4 × 6H30 dual-triode vacuum tubes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency response:\u003c\/strong\u003e Approximately 0.4 Hz – 200 kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGain:\u003c\/strong\u003e Approximately 12 dB (balanced)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInputs:\u003c\/strong\u003e Balanced XLR and single-ended RCA line-level inputs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutputs:\u003c\/strong\u003e Balanced XLR and single-ended RCA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput impedance:\u003c\/strong\u003e Approximately 60 kΩ balanced\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput impedance:\u003c\/strong\u003e Approximately 300 Ω balanced\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolume control:\u003c\/strong\u003e Electronic relay-switched attenuation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote control:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis:\u003c\/strong\u003e Solid-state power supply with tube-based audio circuitry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower requirements:\u003c\/strong\u003e 100–125 VAC or 200–250 VAC, depending on version\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Approximately 19 × 5.25 × 12 inches (W × H × D)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approximately 20 lb\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":44178107465791,"sku":null,"price":2795.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0242\/3334\/5087\/files\/IMG_2026-10-20-141701.jpg?v=1792521227","url":"https:\/\/www.paragonsns.com\/products\/audio-research-ls17-se-line-stage-preamplifier-silver-pre-owned","provider":"Paragon Sight \u0026 Sound","version":"1.0","type":"link"}