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(1) Tested Philco 12GN7 Tube Date Code 7304 Cool Chassis Cutoff Pentode Tube

(1) Tested Philco 12GN7 Tube Date Code 7304 Cool Chassis Cutoff Pentode Tube

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$6.95 USD
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(1) Tested Philco "Cool Chassis" 12GN7 Tube.
Date Code 7304.
The wording is partially worn away but still recognizable as being Philco branded.

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

Gm Test = 13,500 micromhos
Minimum pass/good = 9500

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