Restoring my Telefunken Opus 7 - some pointers welcome - Videokarma.org TV - Video

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Restoring my Telefunken Opus 7 - some pointers welcome

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#18

07-03-2009, 08:15 PM

amptramp

VK Member

Join Date: Jun 2009

Location: Mississauga Ontario Canada

Posts: 30

I had a Heathkit amplifier with push-pull EL84 outputs where one output tube ran hot after a few minutes of operation. The cathode bias voltage was going down. Removing the electrolytic across the cathode bias resistor eliminated the problem.

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