(1) Tested Balanced GE 6N7 Tube.
Date Code 43-F2.
This tube tests above NOS specs.
Tested on a calibrated Hickok TV-10 military tube tester and exhibiting no shorts or leaks with the following results:
Test Result = 1600-1600 micromhos
Minimum pass/good = 950-950
NOS Target Value = 1425-1425
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