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Classic Currents

(1) Tested 1976 Western Electric 404A Tube Black Plates O Ring Halo Code 7626

(1) Tested 1976 Western Electric 404A Tube Black Plates O Ring Halo Code 7626

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(1) Tested 1976 Western Electric 404A Tube.
Date Code 7626 places the production to April - June of 1976.

Black plates with a top O ring halo getter.

Tested on a calibrated Hickok TV-10 military tube tester with no shorts and no leaks with the following results:

Gm Test = 7375 micromhos
Minimum pass/good = 4600

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