Tested almost new at 10250 µmos on Hickok 752A. Minimum is 5000 µmhos
Black plates with top halo getter
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Tags: RCA 12BY7A, 12DQ7, 12BV7
Tested almost new at 10250 µmos on Hickok 752A. Minimum is 5000 µmhos
Black plates with top halo getter
Tags: RCA 12BY7A, 12DQ7, 12BV7