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(1) Tested Sylvania 5U8 Tube Red Letters and Box Code ed AWV Triode Pentode Tube

(1) Tested Sylvania 5U8 Tube Red Letters and Box Code ed AWV Triode Pentode Tube

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$9.95 USD
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(1) Tested Sylvania 5U8 Tube with Original Box.
Red Letters. Date Code ed AWV.

This tube tests as NOS.

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

Gm Test = 3125-5000 micromhos
Minimum pass/good = 1420-2840
Average NOS rating = 2150-4260

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