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Re: Gettering turning black?

I don't know what exactly causes some tubes to turn black and other to remain the same. It's not a problem, however. Some tubes will even get little heat spots on top and perform fine. It does seem to run within certain brands and probably has something to do with their particular construction materials and techniques.


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  • Re: Gettering turning black? - Catch22 17:08:03 01/12/07 (0)


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