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(1) Tested Rauland 8SN7GTB Tube with Box Black Angled T Plates Date Code 7-26

(1) Tested Rauland 8SN7GTB Tube with Box Black Angled T Plates Date Code 7-26

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$32.95 USD
$32.95 USD
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(1) Tested Rauland 8SN7GTB Tube with Original Box.
Yes, that's right this is an EIGHT SN7GTB, not a six.
Date Code 7-26.
The 312 EIA code indicates that this tube was made by Sylvania for Rauland.

Chrome dome envelope flashing with black angled T plates.

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

Gm Test = 2875-2750 micromhos
Minimum pass/good = 1650-1650

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