Any Bryston 4B3 amp owners out there?

I too have been a Bryston amp owner for quite some time. I bought my first one (3B) in the mid 80's. It is now in my son's system, and still running strong. I've owned a number of 4B's and am currently running a pair of 28 squared. I have not had the opportunity to have the cubed version of the 28's in my system, and am curious as to what sonic differences I would notice, but that's another story. The Bryston quality of build, and the longevity of their products speak volumes. As for the tonal qualities, that is purely subjective to each of us, but hopefully the OP has purchased the right "match" for his system, and taste. I would hope the OP will keep us posted as to his conclusions, once he has had the amp in service for a while. Cheers !!

I have a couple of 4b sst2's - I like them very much but there is one thing that bugs me - at somewhat high volumes they begin to clip. I am using an anthem avm60 and they both clip when I am up to around -10db which is nowhere near the max of +10db. Not sure if anyone else has experienced this. Apart from that though they sound fantastic.

BTW have you considered the Mcintosh MC302? I need another 300W stereo amp and have been thinking about getting the 302. I've heard that is sounds detailed, warm and lush which is the sound I'm going for..

Love my 4B3 driving Maggie .7s.  Agree that a good preamp match is a must, but disagree that the pre needs to be a tube model.  I run a solid state Mark Levinson 326S pre and it is a wonderful match with the 4B3.

@professorsvsu,
Congratulations on the decision. Would love to read about your comparison between the A21 and the 4B3.

The second week in February I'll free up some cash and make my move. If the 4B3 doesn't please me, back to the drawing board. I'll certainly share my personal comparison between the A21 and 4B3. If I can just dig out some of the upper mids and highs that the A21 wants to bury and keep it's soundstage and bass, I'll be pleased.