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Classic Currents

(1) Tested RCA 12C8 Tube Date Code 59-39 Twin Diode Remote Cutoff Pentode Tube

(1) Tested RCA 12C8 Tube Date Code 59-39 Twin Diode Remote Cutoff Pentode Tube

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(1) Tested RCA 12C8 Tube.
Date Code 59-39.

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

Gm Test = 1400 micromhos
Minimum pass/good = 725
Each diode sections tests at 1100 and 1300 where 800 is minimum pass/good.

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