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(1) Tested Sylvania 6AC7/1852 Tube Code N6R 6AC7 Tube 1852 Vacuum Tube

(1) Tested Sylvania 6AC7/1852 Tube Code N6R 6AC7 Tube 1852 Vacuum Tube

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$7.95 USD
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(1) Tested Sylvania 6AC7 1852 Tube.
Date Code N6R.
This was originally a military spec tube (see the faded markings) and was re-branded for consumer grade.

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

Gm Test = 5125 micromhos
Minimum pass/good = 3800

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