In Reply to: Strange Stereo 70 hum problem ? posted by Bob01605 on April 15, 2006 at 17:09:31:
A ground problem on the left channel would be my guess. The fact that the hum goes away when you connect it to the preamp is telling. I assume this is an original PC board and that could be where the problem is. Some of those original PC boards I've seen look so baked and brittle it's a wonder they function at all.
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Follow Ups
- Re: Strange Stereo 70 hum problem ? - Marshall W 04/16/0609:37:16 04/16/06 (0)