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Classic Currents

(1) Tested 1957 Westinghouse JAN CWL 12AT6 Tube & Box Code 752 Twin Diode Triode

(1) Tested 1957 Westinghouse JAN CWL 12AT6 Tube & Box Code 752 Twin Diode Triode

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(1) Tested 1957 Westinghouse JAN-CWL-12AT6 Mil Spec Tube with Original Box.
Date Code 752.

The box has a packaged date of 9/57 (September, 1957).

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

Gm Test = 1250 micromhos
Minimum pass/good = 750
Each diode section tests at 1500 and 1025 where 800 is the minimum pass/good.

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