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(1) Tested Philips ECG JAN 5750 Tube Date Code ACH Philips 5750 Pentagrid Tube

(1) Tested Philips ECG JAN 5750 Tube Date Code ACH Philips 5750 Pentagrid Tube

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(1) Tested Philips ECG JAN-5750 Tube.
Date Code ACH.
Tested on a calibrated Hickok TV-10 military tube tester with no shorts and no leaks with the following results:

Gm Test = 1450-1750 micromhos
Minimum pass/good = 900-1000

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