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(1) Tested Admiral 6CG7 Tube Date Code 85-39 Gray Plates Halo Getter Twin Triode

(1) Tested Admiral 6CG7 Tube Date Code 85-39 Gray Plates Halo Getter Twin Triode

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(1) Tested Admiral 6CG7 Tube.
Date Code 85-39.
The 188 EIA code indicates that this tube was made by GE for Admiral.

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

Gm Test = 2750-2875 micromhos
Minimum pass/good = 1650-1650

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