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(1) Tested RCA Type 77 Tube Date Code 009 Triple Grid Detector Amplifier Tube

(1) Tested RCA Type 77 Tube Date Code 009 Triple Grid Detector Amplifier Tube

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(1) Tested RCA Type 77 Tube.
Date Code 009.

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 = 1250 micromhos
Minimum pass/good = 770
NOS rating = 1160

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