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legarem 27th February 2008 03:15 PM

Bias setting for a Bryston 3B ?
I have an old Bryston 3B which seems to be really too warm on one side.

What is the bias setting across the emitter resistors for this amp ?


Agus Widarto 28th February 2008 03:49 PM

Please to try to cleaning the trimpot bias adjusment VR 2 with philips contact cleaner..



taj 28th February 2008 08:02 PM

Too warm on one side could also mean a hf oscillation on that channel for some reason.

Also, if it's an old 3B, you might want to replace the electrolytics, there are a few sprinkled throughout the channel boards.


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