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(1) Tested Sylvania 6BX7GT Tube Date Code ii YKD Twin Triode Tube Black Plates

(1) Tested Sylvania 6BX7GT Tube Date Code ii YKD Twin Triode Tube Black Plates

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(1) Tested Sylvania 6BX7GT Tube.
Date Code ii YKD.

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


Gm Test = 6500-7000 micromhos
Minimum pass/good = 4800-4800

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