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6GH8 substitutes

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05-21-2025, 08:40 PM

Zenith26kc20 Zenith26kc20 is offline

VideoKarma Member

Join Date: Apr 2009

Location: New Orleans

Posts: 860

I would look for a bad horizontal AFC diode. The selenium ones go leaky. Replace the two halves with 1N4148 diodes.
Also, check plate resistors on the 6GH8 for going up in value.

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