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Classic Currents

(1) Tested Strong 1956 Sylvania 7C7 Tube with Box Code 6-52 Loctal Pentode Tube

(1) Tested Strong 1956 Sylvania 7C7 Tube with Box Code 6-52 Loctal Pentode Tube

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$13.95 USD
$13.95 USD
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(1) Tested Strong Sylvania 7C7 Tube with Original Box.
Date Code 6-52 (52nd week of 1956).

The box has edge wear and a soft crease/dent on the top - see photos.

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

Gm Test = 1650 micromhos
Minimum pass/good = 820

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