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(1) Tested Zenith 6BA11 Tube with Box Date Code 6405 Triode Twin Pentode Tube

(1) Tested Zenith 6BA11 Tube with Box Date Code 6405 Triode Twin Pentode Tube

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$11.95 USD
$11.95 USD
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(1) Tested Zenith 6BA11 Tube with Original Box.
Date Code 6405.
The 322 EIA code indicates that this tube was made by Tung-Sol for Zenith.

The box shows some minor wear with a soft crease.

Tested on a calibrated Knight KG-600B tube tester with no shorts and no leaks where 50 is minimum pass/good with the following results:

Zenith = 78-78-80

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