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(1) Tested Philco 7C7 Tube Date Code 28 Philco Loktal Tube 7C7 Loctal Tube (b)

(1) Tested Philco 7C7 Tube Date Code 28 Philco Loktal Tube 7C7 Loctal Tube (b)

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$11.95 USD
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(1) Tested Philco 7C7 Loktal Tube.
Date Code 28.

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

Gm Test = 1350 micromhos
Minimum pass/good = 820

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