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(1) Tested Strong Unbranded 6JB6 Tube 9 Pin Beam Power Vacuum Tube

(1) Tested Strong Unbranded 6JB6 Tube 9 Pin Beam Power Vacuum Tube

Tested and Guaranteed

$22.95 USD
$22.95 USD
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(1) Tested Strong Unbranded 6JB6 Tube.
Manufacturer unknown.

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

Gm Test = 6125 micromhos
Minimum pass/good = 4400

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