Quote:
Originally Posted by kvflyer
If you are sure that there is no extra load on the B+ (read, miss wire, leaky-shorted electrolytic capacitor) the 5U4 can be suspect too.
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I've replaced all the electrolytics in the Power Supply chain, including the 20/10/10 @450 electrolytic can that's over by the high voltage cage area. And I've even tried 6 different 5U4 tubes and they all arc inside, and they all were new old stock 5U4 tubes or used ones that tested good yet.
Not sure what else to look for.