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Old 05-10-2012, 06:56 PM
old_coot88 old_coot88 is offline
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Join Date: Sep 2009
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Phil,
I would check to verify that the 6DQ6 cathode (pin 8) is making contact to ground, by measuring to the tube pin itself. The readings you're getting suggest the cathode might be 'floating'.

Last edited by old_coot88; 05-11-2012 at 12:11 PM. Reason: TYPO
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