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Noise in 680X and 37-690
04-15-2006, 08:27 AM
Don't go completely nuts in hunting down bad resistors until you have swapped out your output amplifier tubes with known good ones. 42's are notorious for intermittent frying bacon sounds- I've got a box of noisy ones. Noisy 42's can sometimes be used in the audio driver stage, but never in the final stage.
Pete AI2V
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Messages In This Thread
Noise in 680X and 37-690 - by Fred R - 12-28-2005, 09:23 PM
RE: Noise in 680X and 37-690 - by Sam samuelian - 05-22-2012, 04:42 AM
RE: Noise in 680X and 37-690 - by Arran - 05-22-2012, 05:51 PM
RE: Noise in 680X and 37-690 - by Ron Ramirez - 05-22-2012, 06:01 PM
RE: Noise in 680X and 37-690 - by Sam samuelian - 05-22-2012, 09:25 PM
RE: Noise in 680X and 37-690 - by morzh - 05-23-2012, 09:06 AM
RE: Noise in 680X and 37-690 - by Ron Ramirez - 12-29-2005, 11:37 PM
[No subject] - by Fred R - 12-30-2005, 09:41 AM
[No subject] - by Ron Ramirez - 12-30-2005, 10:30 AM
[No subject] - by Chuck Schwark - 12-30-2005, 11:00 AM
[No subject] - by Frank - 04-13-2006, 09:17 AM
Noise in output - by AI2V - 04-15-2006, 08:27 AM
[No subject] - by Ron Ramirez - 04-16-2006, 09:06 PM
[No subject] - by Frank - 04-19-2006, 08:03 AM
[No subject] - by Frank - 04-24-2006, 07:55 AM
[No subject] - by Frank - 04-25-2006, 07:41 AM
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