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Questions about tubes and gear that glows. FAQ

RE: Well for one I would not use an emissions tester. . .

Okay, thanks.

The Ei quality was pretty awful towards the end of production - but I don't know whether that is what you are seeing. You may have tubes with cathode poisoning, and they need to "wake up" (by getting rid of the contaminants on the cathode surface) before they operate normally.

I'd recommend you run them for a few hours before testing them. And remember - the ultimate test of a tube is whether it works properly in a circuit!!


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