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Surround Yourself with Perfection The M17 V2 carries on the enviable task of representing NAD’s finest surround sound performance
Oasis 8 makes dramatic improvements in image focus and dynamic expression
The Avenger chassis can be upgraded with many of the same components found on the Avenger Plus and Avenger Reference
twin 14cm MSP Esotec+ mid/bass drivers with 38mm aluminium voice coils
the low-pass digital filters and the DSD filter
Unison Research REFERENCE TUBE Mono Valve Amplifier digital audio Surround Yourself with Perfection TheUnison Research REFERENCE TUBE Mono Valve Amplifier at Vinyl Sound Buffalo, NY USA The REFERENCE TUBE is a mono valve power amplifier from Unison Research (Treviso, Italy), available at Vinyl Sound in Buffalo, NY, USA. Reviewed by Stereophile in 2025, it is the flagship monoblock from Unison Research and represents the culmination of the company's decades long expertise in 845 triode amplifier design. Operating in pure Class A with a double parallel
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