Unison Research - S6 Black Edition - Integrated Amplifier Integrated Bass management is critical to

Bass management is critical to control the notoriously difficult acoustic environment known as your listening room

quite literally

continuous soundstage with instruments and voices presented naturally in the room

The combination of efficiency and design

Ideal Room Size

Unison Research - S6 Black Edition - Integrated Amplifier Integrated Bass management is critical toOverview Classic tube sound: liquid, a touch warm, excellent tonal color. Stereophile The Unison Research S6 Black Edition is a special edition version of one of Unison Researchs most beloved integrated tube amplifiers. Built on the musical foundation of the original S6, the Black Edition brings upgraded circuitry, greater output power, refined power management, a built in DAC section, and a striking new cosmetic design. With its piano black wood