Quote:
Originally Posted by benman94
Al, I think you have a typo.
The shunt reg is a type 6BK4/6EL4. 6BK8 is equivalent to type EF86.
My Hoffman had a screwy 6BK4, acting similar to yours. Replaced it with the last revision (6EL4A maybe?) and that fixed my problem.
Good luck.
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Ah crap, you are right. TYPO! 6BK4. Fixed it. Thanks.