(1) Tested GE 6BG6GA Tube.
Red Letter Base.
Date Code 63-26.
This tube tests as NOS.
Tested on a calibrated Hickok TV-10 military tube tester and exhibiting no shorts or leaks with the following results:
Gm Test = 6250 micromhos
Minimum pass/good = 3800
NOS rating = 5700
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