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(1) Tested Zenith 10GN8 Tube High Mu Triode Sharp Cutoff Pentode Vacuum Tube

(1) Tested Zenith 10GN8 Tube High Mu Triode Sharp Cutoff Pentode Vacuum Tube

Tested and Guaranteed

$7.95 USD
$7.95 USD
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(1) Tested Zenith 10GN8 Tube.

The wording is partially worn away but still recognizable as being Zenith branded.

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

Gm Test = 6625-2075 micromhos
Minimum pass/good = 4500-1750

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