L'amplificatore Integrato Sinfonia adotta una circuitazione basata su 4 KT88/6550 con possibilità di upgrade con valvole selezionate Gold Lion.
Unison Research Performance - Audiophile Integrated Tube Amplifier
SINFONIA UNISON RESEARCH - HiFi-Do McIntosh/JBL/audio-technica
Unison Research Sinfonia Integrated Tube Amplifier Manual
Unison Research Sinfonia – HiFi Live
Amply Unison Research Sinfonia Anniversary
Unison Research SINFONIA ANNIVERSARY
UNISON RESEARCH SINFONIA ANNIVERSARY - Werner Música
Unison Research Sinfonia Anniversary Integrated Valve Amplifier
Unison Research Sinfonia (Anniversary Edition) - Single Ended For
Unison Research PERFORMANCE Integrated Valve Amplifier
Stereo: Produkt
Unison Research Sinfonia – Página 2 – HiFi Live
Unison Research Sinfonia Anniversary Integrated Amplifier - AV One
Unison Research Sinfonia LE Röhrenvollverstärker Anniversary
TRIANGLE THETA / Unison Research Sinfonia 25th anniversary