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(1) Tested Sylvania 6SK7GT Tube Date Code 2-26 6SK7 GT Pentode Vacuum Tube

(1) Tested Sylvania 6SK7GT Tube Date Code 2-26 6SK7 GT Pentode Vacuum Tube

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(1) Tested Sylvania 6SK7GT Tube.
Date Code 2-26.

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 = 2625 micromhos
Minimum pass/good = 1260
NOS rating = 1890

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