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Classic Currents

(1) Tested 1949 Sylvania 6K7 Tube with Box Code 9-13 Remote Cut Off Pentode Tube

(1) Tested 1949 Sylvania 6K7 Tube with Box Code 9-13 Remote Cut Off Pentode Tube

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$11.95 USD
$11.95 USD
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(1) Tested Sylvania 6K7 Tube with Original Box.
Date Code 9-13 (13th week of 1949).

The box has some scuffing overall and staining - see photos.

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

Gm Test = 1475 micromhos
Minimum pass/good = 910

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