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(1) Tested Tung-Sol 1H5GT Tube Date Code MR-27 1H5 GT Diode High Mu Triode

(1) Tested Tung-Sol 1H5GT Tube Date Code MR-27 1H5 GT Diode High Mu Triode

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(1) Tested Tung-Sol 1H5GT Tube.
Date Code MR-27.

Some rough tarnishing on the base.

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

Gm Test = 325 micromhos
Minimum pass/good = 175
The diode section tests strong.

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