Tested Very Strong Matched Pair of GE JAN-CG-6SK7WA Mil Spec Tubes.
Date Codes 62-13.
Tubes are matched for mutual conductance (Gm), date codes and structure - they are identical.
Tested on a calibrated Hickok TV-10 military tube tester with no shorts and no leaks with the following results:
Gm Test = 2750-2875 micromhos
Minimum pass/good = 1260
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