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(1) Tested RCA JAN 12A7 Tube Code 709 Mil Spec Rectifier Pentode Vacuum Tube

(1) Tested RCA JAN 12A7 Tube Code 709 Mil Spec Rectifier Pentode Vacuum Tube

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(1) Tested RCA JAN 12A7 Mil Spec Tube.
Date Code 709.

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

Gm Test = 1125 micromhos
Minimum pass/good = 610
The rectifier section tests at 1450 where 800 is minimum pass/good.

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