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Classic Currents

(1) Tested National Union 6AR5 Tube Date Code 5139 6AR5 Power Pentode Tube

(1) Tested National Union 6AR5 Tube Date Code 5139 6AR5 Power Pentode Tube

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(1) Tested Strong National Union 6AR5 Tube.
Date Code 5152.

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

Gm Test = 1875 micromhos
Minimum pass/good = 1000

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