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(1) Tested Zenith 6CB6A Tube Red Letters with Box Code ABN Pentode Vacuum Tube

(1) Tested Zenith 6CB6A Tube Red Letters with Box Code ABN Pentode Vacuum Tube

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$9.95 USD
$9.95 USD
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(1) Tested Zenith 6CB6A Tube with Original Box.
Red Letters.
Date Code ABN.
The 312 EIA code indicates that this tube was made by Sylvania for Zenith.

The box has a very faint bit of writing on the front tab above the numbers.

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

Gm Test = 5000 micromhos
Minimum pass/good = 3500

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