05-23-2011, 08:04 PM
You should check all resistors to make sure they are within 20% of rated specifications. Also check voltages - something may be a bit off.
Additionally, the 39-6 should have a 41 output tube, not a 42. The 42 draws more filament current than the 41, which may tax the little power transformer in the 39-6.
Additionally, the 39-6 should have a 41 output tube, not a 42. The 42 draws more filament current than the 41, which may tax the little power transformer in the 39-6.
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Ron Ramirez
Ferdinand IN
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