(1) Tested GE 6KA8 Tube with Original Box.
Made in Great Britain.
Date Code HI.
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 = 1600-1100 micromhos
Minimum pass/good = 950-625
NOS rating = 1425-935
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