{"product_id":"audio-research-ls17se-tube-preamplifier-2","title":"Audio Research LS17SE Tube Hybrid Preamplifier","description":"The Audio Research LS17SE is a tube hybrid (solid state input, tube output) line-stage preamplifier featuring dual 6H30 vacuum tubes, balanced XLR connectivity, and a 104-step rotary attenuator. Serving as an authoritative centerpiece for reference systems, this design pairs low-noise JFET inputs with proprietary Teflon coupling capacitors sourced from the Reference series. The rear panel accommodates seven inputs including two balanced pairs, dual balanced outputs, and processor pass-through capability. A heavy aluminum chassis with signature handles and an electronically regulated power supply ensure excellent mechanical stability and clean signal delivery.\n\nCritical consensus in The Audio Beat celebrated the preamplifier as a true great, highlighting its remarkably low noise floor and effortless dynamic scale. Reviews in Vinylphile Magazine commended its transparent, fatigue-free clarity and lifelike midrange texture that lets complex instrumentation breathe. Critics consistently note that the Special Edition updates deliver spatial separation and harmonic richness far beyond standard expectations.\n\nWelcoming this preamplifier into your signal chain establishes a three-dimensional soundstage where every performance gains tangible physical weight. Its refined hybrid architecture balances the speed of solid-state precision with the organic warmth only triode tubes impart. For the discerning enthusiast, it provides a master-tape intimacy that effortlessly draws you closer to the music.","brand":"Audio Research","offers":[{"title":"Default Title","offer_id":67795038306585,"sku":"101231","price":2299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0844\/4225\/1545\/files\/101231-4.jpg?v=1791929501","url":"https:\/\/tmraudio.com\/products\/audio-research-ls17se-tube-preamplifier-2","provider":"The Music Room","version":"1.0","type":"link"}