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(1) Tested Emerson 6BU8 Tube Date Code 39 Vintage Twin Pentode Vacuum Tube

(1) Tested Emerson 6BU8 Tube Date Code 39 Vintage Twin Pentode Vacuum Tube

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$6.95 USD
$6.95 USD
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(1) Tested Emerson 6BU8 Tube.
Date Code 39.

The wording has been partially worn off but still recognizable as Emerson branded.

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

Gm Test = 1175-1050 micromhos
Minimum pass/good = 820-820

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