AC detected in what is supposed to be DC - Page 2 - Electronic Circuits Projects Diagrams Free

audioguru · 5th November 2009, 01:54 AM

You have fixed many problems with the old Bryston amplifier but there are probably many more that you didn't think about.
Newer designs might be better.

texaslonghorn · 5th November 2009, 03:41 AM

The Bryston just replaced an early 70s McIntosh. Old is relative I guess.

texaslonghorn · 6th November 2009, 03:49 PM

Problem found - my tech had reversed the hot and neutral on the incoming AC line connections to the backboard. Now no noise, no clipping indication, no blown fuses. After a burn in on my bench for the day, I will hook it up to my system and listen.

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5th November 2009, 01:54 AM	#16
audioguru	You have fixed many problems with the old Bryston amplifier but there are probably many more that you didn't think about. Newer designs might be better. __________________ Uncle $crooge

5th November 2009, 03:41 AM	#17
texaslonghorn	The Bryston just replaced an early 70s McIntosh. Old is relative I guess.

6th November 2009, 03:49 PM	#18
texaslonghorn	Problem found - my tech had reversed the hot and neutral on the incoming AC line connections to the backboard. Now no noise, no clipping indication, no blown fuses. After a burn in on my bench for the day, I will hook it up to my system and listen.