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Classic Currents

(1) Tested Sylvania 6BN4A Tube Date Code cj ABU Medium Mu Triode 6BN4 A Tube

(1) Tested Sylvania 6BN4A Tube Date Code cj ABU Medium Mu Triode 6BN4 A Tube

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(1) Tested Sylvania 6BN4A Tube.
Date Code cj ABU.

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

Gm Test = 8375 micromhos
Minimum pass/good = 5000

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