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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: Both coupling caps are new Mundorf Silver/gold and oil posted by DAK on January 15, 2017 at 23:08:58:
Even if 1 cap is bad can it pull the bias voltage down equally in both power tubes?Manufacturers do things in runs.If there is an issue with those caps,being they came from the same run no doubt,that can be an issue for both.
It's very simple to do that test and get it out of way.That may not be your problem but newer oil caps have had issues at times,including the Jensens.There may be cases where the oil has become conductive for whatever reason. You have built these amps several times and this is the amp you are having trouble with. I would try the caps. Just disconnect one side of each cap and run it and that way you will know.
"For every complex problem there is an answer that is clear, simple, and wrong" H. L. Mencken
Edits: 01/16/17
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- RE: Both coupling caps are new Mundorf Silver/gold and oil - Michael Samra 12:06:23 01/16/17 (0)
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