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John, I replied before I saw your message. I have had pretty good luck with origional selenium rectifiers in old radios, as long as they aren't getting warm/hot. I haven't run the set with the chassis out of the cabinet, so I'm not sure how these are doing... but I was origionally going to keep them in place as long as they were working okay. I never thought of them hurting the ballast... so I might rethink that. Would a resistor replacement cause any cold filament surge that might hurt the CRT heater? Shouldn't be a problem while I'm testing as I'll be bringing it up slow on the variac, so I'll look into a resistor sub for that. Banderson: No flyback? Shows what I know, but I'm glad to hear that there's one less thing to burn up!
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