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(1) Tested Sylvania 6197 Tube Date Code RE Power Pentode Vacuum Tube

(1) Tested Sylvania 6197 Tube Date Code RE Power Pentode Vacuum Tube

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$9.95 USD
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(1) Tested Sylvania 6197 Tube.
Date Code RE.

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

Gm Test = 6875 micromhos
Minimum pass/good = 3800

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