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(1) Tested GE 12AU7 Tube Date Code 4-35 Gray Plates Horseshoe Halo Twin Triode

(1) Tested GE 12AU7 Tube Date Code 4-35 Gray Plates Horseshoe Halo Twin Triode

Tested and Guaranteed

$14.95 USD
$14.95 USD
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(1) Tested GE 12AU7 Tube.

Gray plates with a top horseshoe halo getter.
The wording is partially worn off but is still recognizable as being GE branded.

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

Gm Test = 2075-2375 micromhos
Minimum pass/good = 1400-1400

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