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Post by brownbomber72 on Nov 23, 2023 19:56:54 GMT -5
Picked one of these up recently. Receives fine but has no transmit. I happened to notice that when I key it up the 6EM5 pa tube turns blueish purple. The tube tests strong with no shorts on two different testers. What could be causing this?
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Post by 2600 on Nov 26, 2023 0:33:07 GMT -5
Makes it sound as if your tube tester doesn't put voltage as high on the tube as your radio does. Some tube testers detect gas in the vacuum better than others. But that's what it sounds like, a tube with contaminated vacuum.
73
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Post by cbrown on Dec 1, 2023 15:55:24 GMT -5
I agree with 2600, sounds like a contaminated tube.
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Post by 2600 on Dec 2, 2023 1:30:30 GMT -5
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