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1951 zenith 16" porthole

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11-18-2015, 03:56 PM

Radiotronman Radiotronman is offline

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Join Date: May 2015

Posts: 588

1951 zenith 16" porthole

So I have a 1951 16" porthole with a 16gp4. I tested it on my bk cry tester and it looks completely dead. I attempted rejuvenating with it going up a little, then falling back to zero. Is something baking at a higher filament voltage would help, or is this tube gone?

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