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(1) Tested Ken-Rad JAN CKR 12SC7 Tube Code S4 VT-268 Mil Spec Twin Triode Tube

(1) Tested Ken-Rad JAN CKR 12SC7 Tube Code S4 VT-268 Mil Spec Twin Triode Tube

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(1) Tested Ken-Rad JAN-CKR-12SC7 VT-268 Tube.
Date Code S4.

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

Gm Test = 1375-1500 micromhos
Minimum pass/good = 840-840

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