For starters, the A-S2000 has a completely balanced circuitry from nose to tail. All parts of the amplifier are based on this principle: the input switch, the timbrebox, the control amplifiers, the terminators and, of course, the power system. Signals from the unbalanced inputs, for example...
The cheaper Yamaha A S2000 comes in at $2000 and Yamaha took a huge price leap to $7000 for the S3000. This was the top of my price range (a little over actually) for an integrated and after trying all of the others looking for a replacement for my old magical 219ia, this one tak...