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(1) Tested Westinghouse 2AF4A Tube Date Code 61-13 Medium Mu Triode Tube (c)

(1) Tested Westinghouse 2AF4A Tube Date Code 61-13 Medium Mu Triode Tube (c)

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(1) Tested Westinghouse 2AF4A Tube.
Date Code 61-13.

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

Gm Test = 4125 micromhos
Minimum pass/good = 2840

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