Unison Research S9
The S9 is Unison Research's flagship push-pull tube amplifier, delivering 40W per channel. Featuring KT120 output tubes and a massive power supply in a stunning wooden chassis, it represents the ultimate in tube amplification.
Finish: Cherry Wood
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30-Day Returns
Easy returns
The Sound Experience
Discover how this product will transform your listening experience
Sound Character & Performance
The S9 delivers a powerful, refined sound with exceptional dynamics and control. Bass is deep and authoritative, with excellent grip and definition. The midrange is rich and transparent, with exceptional presence. Treble is extended and smooth.
Technical Specifications
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