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Classic Currents

(1) Tested Raytheon 7X7 Tube Code 752 Loktal Tube Loctal Tube Diode Triode Tube

(1) Tested Raytheon 7X7 Tube Code 752 Loktal Tube Loctal Tube Diode Triode Tube

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(1) Tested Raytheon 7X7 Tube.
Date Code 752.

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

Gm Test = 1125 micromhos
Minimum pass/good = 630
Both diode sections test at 1200-1225 where 800-800 is minimum pass/good.

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