Unison Research S6 Integrated Valve Amplifier - Black [trade-in] Category--Antennas/Batteries & Remote Controls The cast aluminum frame is

The cast aluminum frame is fully vented to minimize acoustic losses from excessive back pressure

not wrapped around the arm

Today’s audio levels are much higher than in the past and many recorders will be overloaded by them

"The sound from the Symphony One to my ears is just as good as whatever has gone into it

Unison Research S6 Integrated Valve Amplifier - Black [trade-in] Category--Antennas/Batteries & Remote Controls The cast aluminum frame isS6 The Unison S6 integrated amplifier offers personality, refinement and aestheticsand a totally new amplifier design from a mechanical standpoint. The latest version of our S6 has been steadily updated and improved over the years to the point where it is easily one of the most respected integrated amplifiers in the world. The contrasting highlights of the wooden inlays on the front panel also reveal the technical sophistication of this amplifier,