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(1) Tested GE 6AH6 Tube with Box Date Code 57-22 Amplifier Pentode Vacuum Tube

(1) Tested GE 6AH6 Tube with Box Date Code 57-22 Amplifier Pentode Vacuum Tube

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(1) TestedGE 6AH6 Tube with Original Box.
Date Code 57-22.

This tube tests well above NOS ratings.

Tested on a calibrated Hickok TV-10 military tube tester and exhibiting no shorts or leaks with the following results:

Gm Test = 6750 micromhos
Minimum pass/good = 3800
Average NOS rating = 5700

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