{"product_id":"ls2","title":"LS2","description":"\u003ch2\u003eAudio Research LS2 – All-Tube Class A Line Preamplifier\u003c\/h2\u003e\n\n\u003cp\u003e\nThe Audio Research LS2 embodies the very essence of high-fidelity music reproduction according to the Audio Research philosophy:\nan all-tube signal path, minimalist topology, and pure Class A operation aimed at\nabsolute transparency and full preservation of musical information.\n\u003c\/p\u003e\n\n\u003cp\u003e\nDesigned for demanding audiophiles seeking natural, stable, and deeply musical sound reproduction, the LS2\nstands out with a holographic soundstage, exceptional harmonic richness, and remarkable background silence.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eSonic Signature\u003c\/h2\u003e\n\n\u003cp\u003eThe LS2 offers musical reproduction of great purity characterized by:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eThree-dimensional and perfectly stable soundstage\u003c\/li\u003e\n\u003cli\u003eRich and natural harmonic texture typical of Audio Research tube circuits\u003c\/li\u003e\n\u003cli\u003eExtremely fine micro-dynamics revealing the most subtle nuances\u003c\/li\u003e\n\u003cli\u003eArticulate and perfectly controlled bass\u003c\/li\u003e\n\u003cli\u003eExceptional background silence enhancing musical legibility\u003c\/li\u003e\n\u003cli\u003eTonal neutrality without artificial coloration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\nIts single-gain stage design helps preserve the temporal coherence of the signal and avoids any\nsuperfluous complexity in the audio path.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eArchitecture and Design\u003c\/h2\u003e\n\n\u003cp\u003e\nThe LS2 is based on a minimalist architecture aimed at maximum signal purity. Every design choice reflects\nAudio Research's desire to reduce interference and preserve musical integrity.\n\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003ePure Class A operation\u003c\/li\u003e\n\u003cli\u003eAll-tube signal path\u003c\/li\u003e\n\u003cli\u003eSingle-gain stage topology\u003c\/li\u003e\n\u003cli\u003eCathode follower bias for optimal stability\u003c\/li\u003e\n\u003cli\u003eAbsence of solid-state components in the audio path\u003c\/li\u003e\n\u003cli\u003eHigh-stability low-noise power supply\u003c\/li\u003e\n\u003cli\u003eSymmetrical architecture optimized for maximum transparency\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\nThis approach results in coherent, fluid, and remarkably natural sound reproduction, even on very high-resolution\nsystems.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ctable style=\"width:100%; border-collapse: collapse;\"\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTube line preamplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePure Class A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTopology\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSingle gain stage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubes used\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eECC88 \/ 6DJ8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRCA and balanced XLR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRCA and XLR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUltra wide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDistortion\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExtremely low\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh, compatible with high-resolution amplifiers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLine preamplifier only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eRecommended Synergy by Son Ultime\u003c\/h2\u003e\n\n\u003cp\u003eFor optimal performance, we recommend the following combinations:\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIdeal Amplifiers:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAudio Research Reference series\u003c\/li\u003e\n\u003cli\u003eAudio Research D-Series\u003c\/li\u003e\n\u003cli\u003eHigh-resolution amplifiers with balanced input\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eRecommended Speakers:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBowers \u0026amp; Wilkins 800 Diamond series\u003c\/li\u003e\n\u003cli\u003eSonus Faber Amati \/ Olympica Nova\u003c\/li\u003e\n\u003cli\u003eHigh-resolution wide-bandwidth systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eRecommended Cables:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eShunyata Research Sigma X\u003c\/li\u003e\n\u003cli\u003eShunyata Research Alpha X\u003c\/li\u003e\n\u003cli\u003eHigh-transparency balanced cabling\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eSon Ultime Listening Experience\u003c\/h2\u003e\n\n\u003cp\u003e\nThe Audio Research LS2 is available for demonstration in our reference listening rooms.\nIt can be evaluated in different system configurations to determine the optimal pairing\naccording to your environment and musical objectives.\n\u003c\/p\u003e\n\n\u003cp\u003e\nOur specialists can perform a complete system calibration and assist you\nin optimizing your audio chain.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003ePositioning in the Range\u003c\/h2\u003e\n\n\u003cp\u003e\nThe LS2 positions itself as a minimalist reference in the Audio Research range, prioritizing\nsignal purity and natural musicality. It is an ideal solution for high-performance line systems\nthat do not require an integrated phono stage.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs the LS2 fully tube-based?\u003c\/strong\u003e\u003cbr\u003e\nYes, the signal path is entirely tube-based.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDoes it include a phono stage?\u003c\/strong\u003e\u003cbr\u003e\nNo, it is a line preamplifier only.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan it be used with modern amplifiers?\u003c\/strong\u003e\u003cbr\u003e\nYes, it is compatible with most high-resolution amplifiers.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs it suitable for a very high-end system?\u003c\/strong\u003e\u003cbr\u003e\nAbsolutely, its transparency makes it ideal for reference systems.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eSon Ultime Expertise\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eDemonstration in dedicated listening room\u003c\/li\u003e\n\u003cli\u003ePersonalized complete system advice\u003c\/li\u003e\n\u003cli\u003eAudio chain calibration and optimization\u003c\/li\u003e\n\u003cli\u003eProfessional installation\u003c\/li\u003e\n\u003cli\u003eSpecialized Audio Research support in Quebec\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003cp style=\"font-size:18px; font-weight:bold;\"\u003e\nSchedule a private listening session or contact our specialists for personalized recommendations.\n\u003c\/p\u003e","brand":"Audio Research","offers":[{"title":"Noir","offer_id":51713683915054,"sku":null,"price":11830.0,"currency_code":"CAD","in_stock":false},{"title":"Argent","offer_id":51713683947822,"sku":null,"price":11830.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0795\/3167\/1854\/files\/AudioResearchLS3FrontSilverSonUltime_c4171942-505c-41e6-ad24-ee69da4e119f.jpg?v=1770405093","url":"https:\/\/sonultime.com\/en\/products\/ls2","provider":"Son Ultime Inc","version":"1.0","type":"link"}