{"product_id":"i70","title":"i70","description":"\u003ch2\u003eAudio Research I\/70 – High-Performance Integrated Tube Amplifier\u003c\/h2\u003e\n\u003cp\u003eAt Son Ultime, the Audio Research I\/70 represents a serious entry point into the world of tube amplification, without compromising on the fundamentals that define the brand's signature: transparency, coherence, and musicality.\u003c\/p\u003e\n\u003cp\u003eDesigned as a modern integrated amplifier, the I\/70 combines a preamplifier section and tube amplification in a compact architecture, while maintaining dynamic capability and stability suitable for demanding high-fidelity systems.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eArchitecture and Topology\u003c\/h2\u003e\n\u003cp\u003eThe I\/70 is based on an all-tube architecture for the signal path, coupled with a design optimized for simplicity and performance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAll-tube architecture for the signal path\u003c\/li\u003e\n\u003cli\u003eOptimized Class AB operation\u003c\/li\u003e\n\u003cli\u003eHigh-capacity KT120 output tubes\u003c\/li\u003e\n\u003cli\u003eIntegrated preamplifier section\u003c\/li\u003e\n\u003cli\u003eLow-noise regulated power supply\u003c\/li\u003e\n\u003cli\u003eOptimized signal path for coherence\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis design delivers smooth, stable, and energetic musical reproduction while maintaining the Audio Research signature.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eObserved Sound Behavior at Son Ultime\u003c\/h2\u003e\n\u003cp\u003eIn our demonstration systems, the I\/70 demonstrates a particularly interesting balance between accessibility and performance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRich and natural harmonic texture\u003c\/li\u003e\n\u003cli\u003eStable and well-defined soundstage\u003c\/li\u003e\n\u003cli\u003eControlled and articulate bass\u003c\/li\u003e\n\u003cli\u003eGood dynamic capability for an integrated amplifier\u003c\/li\u003e\n\u003cli\u003eNo harshness in the upper frequencies\u003c\/li\u003e\n\u003cli\u003eGreat overall coherence\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt allows for building a musical and engaging system without requiring a complete separate architecture.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIntegrated Tube Amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClass AB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Tubes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKT120\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximately 70 watts per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAnalog (RCA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAmplification + Preamplification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePositioning\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-performance Audio Research integrated amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003eSystem Integration According to the Son Ultime Approach\u003c\/h2\u003e\n\u003cp\u003eThe I\/70 is designed to operate within coherent and optimized systems. At Son Ultime, we recommend it in configurations including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHifiRose or MSB Technology digital sources\u003c\/li\u003e\n\u003cli\u003eSilent Angel network infrastructure\u003c\/li\u003e\n\u003cli\u003eBowers \u0026amp; Wilkins speakers\u003c\/li\u003e\n\u003cli\u003eAcora Acoustics speakers\u003c\/li\u003e\n\u003cli\u003eREL Acoustics subwoofers for bass extension\u003c\/li\u003e\n\u003cli\u003eShunyata Research cabling and power\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe goal is to maintain an overall balance between musicality and precision, even in an integrated setup.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003ePositioning in the Audio Research Range\u003c\/h2\u003e\n\u003cp\u003eThe I\/70 stands out as an integrated solution, offering a simplified alternative to separate systems, while retaining the essential qualities of the brand.\u003c\/p\u003e\n\u003cp\u003eIt provides an excellent foundation for an evolving system, potentially allowing for migration to separate configurations.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eSon Ultime Approach\u003c\/h2\u003e\n\u003cp\u003eAt Son Ultime, even an integrated amplifier is considered within a global perspective. We analyze:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe choice of speakers\u003c\/li\u003e\n\u003cli\u003eThe acoustic environment\u003c\/li\u003e\n\u003cli\u003eThe quality of the electrical power supply\u003c\/li\u003e\n\u003cli\u003eThe digital source\u003c\/li\u003e\n\u003cli\u003eThe overall system balance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis approach allows for fully exploiting the capabilities of the I\/70 and ensuring consistent and lasting performance.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"font-size: 18px; font-weight: bold;\"\u003eSchedule a listening session at Son Ultime to discover the Audio Research I\/70 in an optimized and calibrated system.\u003c\/p\u003e","brand":"Audio Research","offers":[{"title":"Noir","offer_id":51713712259374,"sku":null,"price":14000.0,"currency_code":"CAD","in_stock":false},{"title":"Argent","offer_id":51713712292142,"sku":null,"price":14000.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0795\/3167\/1854\/files\/AudioResearchI-70FrontSilverSonUltime.jpg?v=1770407037","url":"https:\/\/sonultime.com\/en\/products\/i70","provider":"Son Ultime Inc","version":"1.0","type":"link"}