In Reply to: My Fisher 500B just blew up. posted by Sidewinder on April 25, 2007 at 23:47:16:
So far the EH7868's have performed well in my restored Fisher 400 and JJ7591's in my Scott 340B though I am now considering the grid resistor change the next time I open them up. I did modify the neg. bias voltage on my 400 to about -22v and it runs much cooler.
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Follow Ups
- Re: My Fisher 500B just blew up. - Nuke Em 04:01:00 04/30/07 (0)