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Classic Currents

(1) Tested Philco 6GU7 Tube Date Code 68-25 Philco 6GU7 Twin Triode Tube

(1) Tested Philco 6GU7 Tube Date Code 68-25 Philco 6GU7 Twin Triode Tube

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$8.95 USD
$8.95 USD
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(1) Tested Philco "Cool Chassis" 6GU7 Tube.
Date Code 68-25.
The wording is partially worn away but still legible.

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

Gm Test = 1600-1400 micromhos
Minimum pass/good = 1025-1025

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