Interesting that you mention your D79B as being preferred to the D70Mk2. My experience with the two amps...albeit it has been a few years since I heard the D79B, is different. I remember thinking that the D79B was far less resolving than the D70Mk2 and also somewhat veiled in comparison, we were using Acoustat 6's at the time, if I remember. The friend who owned the D79B...later upgraded to a D79C and felt that was a nice upswing in SQ. We did not compare the D79C to the D70Mk2, but I would suspect it still would be lacking in the resolution department. Perhaps the transformers have something to do with this or?? The larger power supply is only part of the equation when it comes to dynamics, I'm sure the trannies have something to do with it as well.
Anyhow, will be interesting to see how you compare the D79B to the newer Ref75.
|