Are you asking specifically about the Berning/German Physiks combo, or about the quadrature z in general? Can't help with the first question, but I have the quadrature z's in my system. Email me if interested.
THE08: Room: 1001: comments on Berning?
THE08: Room: 1001 Did anyone happen to hear this set-up and care to comment, I am trying to get a feel for the Berning amps.