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(1) Tested GE 6AB4 Tube Date Code 5-13 Square Halo Getter Gray Plate Triode

(1) Tested GE 6AB4 Tube Date Code 5-13 Square Halo Getter Gray Plate Triode

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$8.95 USD
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(1) Tested GE 6AB4 Tube.
Date Code 5-13.

Square halo getter with a gray plate.

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

Gm Test = 3750 micromhos
Minimum pass/good = 2500

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