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Classic Currents

(1) Tested Silvertone 6U7G Tube Red Tip Date Code B8 Pentode 6U7 G Tube

(1) Tested Silvertone 6U7G Tube Red Tip Date Code B8 Pentode 6U7 G Tube

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(1) Tested Sylvania 6U7G Tube.
Date Code B8. Red tip.

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

Gm Test = 1900 micromhos
Minimum pass/good = 1000

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