Brian. Currently I am using the wavac 300B stereo and also own cary 300B,mastersound 300B and previous owner of cary 805,art audio diavablo and many other SET amp..To my ear the wavac is in a league of it's own and out perform most other SET by a wide margin.I think it sound worse whenever I use my hovland,AR as a pre-amp..BWHITE just sent an article reviewing the wavac 300B + shindo pre.look very interesting and I am now in the market for the shindo..my speakers is the Avantgarde horn.hope this help