In Reply to: OT question? posted by AJ on May 28, 2020 at 11:26:01:
I will let you know in the next few days. I have replaced all the power supply filter caps and the current equalizing resistors used in the power supply, most of which were toast. I have also replaced all four power tubes with new ones. The app is working fine on the bench with no load on it. Tomorrow I will attach it to the speaker and see what happens. Since I could find no evidence that the speaker panels per se are gone bad, I can only assume one or more of the old power tubes was arcing. I have no way of testing for that on my bench top, because they all behaved on the bench top.
Edits: 06/02/20
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Follow Ups
- RE: OT question? - Lew 18:47:50 06/02/20 (0)