Quote:
Originally Posted by Username1
Ahh. So you think the source resistor is opening, taking away that reduced potential
needed to prevent heater cathode breakdown.... And once that happens you
think that is not effecting the cathode voltage ??? in a downward direction from
whatever short develops Heater to Cathode.... Interesting....
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That's my thinking its such a simple circuit and reg stuff all checks out.
IF it turns out to be the problem you can bet I will be checking those two resistors out regularly, darn 6BK4's are not cheap.