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(1) Tested Zenith 6CG8A Tube with Box Code 3-39 6CG8 A Tube Triode Pentode

(1) Tested Zenith 6CG8A Tube with Box Code 3-39 6CG8 A Tube Triode Pentode

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$11.95 USD
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(1) Tested Very Strong Zenith 6CG8A Tube with Original Box.
Date Code 3-39.
The 312 EIA code indicates that this tube was made by Sylvania for Zenith.

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 = 5125-7500 micromhos
Minimum pass/good = 2900-2840
NOS rating = 4350-4260

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