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General Asylum General audio topics that don't fit into specific categories. |
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General Asylum General audio topics that don't fit into specific categories. |
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In Reply to: Diagnosis unknown posted by William on February 25, 2007 at 09:58:37:
A wild guess perhaps based on an old event. I was running two amps, a SS and a tubed, off the two outputs on my pre-amp using long IC's and experienced the sonics you described (only one amp actually connected to the speakers). I unplugged one of the amps, the SS one, and there was no problem (I thought). Then in testing the SS amp I found one channel had be damaged and it burned out a tweeter in one of the test speakers.In subsequent reading, as well as the comments from the manufacturer of the SS amp who repaired it, it appears my pre-amp had become stressed by the loads the two amps and long runs of IC's created, it put out excessive DC and the SS amp was not protected and was damaged. Fortunately I had rugged speakers and I was able to disconnect before they were damaged.
Perhaps your pre-amp is emitting excessive DC due to a failing part. If you have a spare pre try using it and see if your problem continues. DC from tube pre-amps is not an unknown :-) event and can take out amps and drivers.
FWIW.
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Follow Ups
- Re: Diagnosis unknown - Chuck Y 09:38:00 02/26/07 (0)
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