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(1) Tested National Union Type 43 Tube with Box Code JC Power Pentode Tube

(1) Tested National Union Type 43 Tube with Box Code JC Power Pentode Tube

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$17.95 USD
$17.95 USD
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(1) Tested National Union Type 43 Tube with Original Box.
Date Code JC.

The date code on the tube matches the date code on the front tab of the box so you know it's the same box that it left the factory with.
The box has some areas of faint denting and one small tear on top front tab.

This tube tests as NOS.

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

Gm Test = 2275 micromhos
Minimum pass/good = 1450
NOS rating = 2175

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