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Classic Currents

(1) Tested 1944 Ken Rad JAN 7193 Tube Date Code N4 Mil Spec Black Plate Triode

(1) Tested 1944 Ken Rad JAN 7193 Tube Date Code N4 Mil Spec Black Plate Triode

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(1) Tested Ken Rad JAN-7193 Mil Spec Tube.
Date Code N4 (1944).

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

Gm Test = 3300 micromhos
Minimum pass/good = 1900

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