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Classic Currents

(1) Tested Strong 1956 Sylvania 7C7 Tube & Box Code 635 Loctal Pentode Tube (b)

(1) Tested Strong 1956 Sylvania 7C7 Tube & Box Code 635 Loctal Pentode Tube (b)

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$13.95 USD
$13.95 USD
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(1) Tested Strong Sylvania 7C7 Tube with Box.
Date Code 635 (35th week of 1956).

The wording is partially worn away. The box shows various areas of staining and scuffing.

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

Gm Test = 1700 micromhos
Minimum pass/good = 820

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