Bryston 4B gets HOT. Should I leave it on?

Sean...My God! No wonder interconnects are critical for you.

El: I can hear cable changes in all of my systems, not just this one. This one is tough though as one cable change means changing at least two at a time and possible up to eight all at once. That's why i either buy used or build my own. So far, i've been lucky enough to find phenomenal deals ($0.10 - $0.20 on a dollar ) on very long runs of high quality cables. Since i'm handy enough to cut and terminate them myself and have so many systems and cables, i'm thousands and thousands of dollars ahead compared to what i might be if buying new.

As far as Bryston goes, they have what is probably the best customer service / warranty in the industry. B&K also does a very nice job handling product problems, but not quite in the same league as Bryston. Obviously, the Bryston warranty speaks volumes in itself. Sean
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The Bryston warranty is excellent and when I dropped a note to the company explaining my problem the CEO of Bryston, Christopher Russell, sent me a personal note and told me to send it back. That's service above and beyond and I will continue to support this fine company.

Something is wrong with the amp. I had a 45yr old Crown home amp and it was the same as the day I bought it. Power supplies are most suspect after that many years because it does the heavy lifting for decades.