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Classic Currents

(1) Tested 1957 Tung Sol 12L6GT Tube with Box Code 730-3 12L6 GT Pentode Tube

(1) Tested 1957 Tung Sol 12L6GT Tube with Box Code 730-3 12L6 GT Pentode Tube

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$9.95 USD
$9.95 USD
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(1) Tested Strong Tung Sol 12L6GT Tube with Original Box.
Date Code 730-3 (30th week of 1957).

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

Gm Test = 9125 micromhos
Minimum pass/good = 5650

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