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Rather than using conventional negative feedback — which can introduce time-domain errors — SoundEngine 2 detects and corrects distortion before it reaches the output stage
twin 14cm MSP Esotec+ mid/bass drivers with 38mm aluminium voice coils
The Avenger chassis can be upgraded with many of the same components found on the Avenger Plus and Avenger Reference
Input sensitivity (ref
Oasis 8 makes dramatic improvements in image focus and dynamic expression
Unison Research REFERENCE TUBE Mono Valve Amplifier digital audio Rather than using conventional negativeUnison 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