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(1) Tested GE JAN CG 12SG7Y Tube Code 61-17 Mil Spec Remote Cutoff Pentode Tube

(1) Tested GE JAN CG 12SG7Y Tube Code 61-17 Mil Spec Remote Cutoff Pentode Tube

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(1) Tested GE JAN-CG-12SG7 Mil Spec Tube.
Date Code 61-17.

This tube tests as NOS.

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

Gm Test = 3550 micromhos
Minimum pass/good = 2100
NOS rating = 3150

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