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Rejuv tubes other than CRTs?
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11-23-2015, 11:48 AM
Olorin67
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Join Date: Feb 2014
Location: Milwaukee
Posts: 927
The thoriated filaments were supposedly more able to be rejuvenated than modern oxide cathodes. Since thoriated filaments are bright/high temperature already, I suspect its probably more likely for them to burn out in the attempt.
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