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The Classic 1/2 updates the BBC-derived thin-walled construction by anchoring the thinner sidewalls to a rigid front baffle
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
NAD offers software tools that allow smart-home specialists to integrate the C 700 V2 into home-automation systems from Control4
Unison Research REFERENCE TUBE Mono Valve Amplifier digital audio The Classic 1/2 updates 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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