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(1) Tested Hyvac 117L7/M7 GT Tube Date Code 4810 Rectifier Power 117L7 M7 GT

(1) Tested Hyvac 117L7/M7 GT Tube Date Code 4810 Rectifier Power 117L7 M7 GT

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(1) Tested Hyvac 117L7/M7GT Tube.
Date Code 4810.

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

Gm Test = 4250 micromhos
Minimum pass/good = 2500
The rectifier section tests at 1525 where 800 is minimum pass/good.

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