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(1) Tested Philco Type 19 Tube Engraved Base Date Code S5 Double Triode 19 Tube

(1) Tested Philco Type 19 Tube Engraved Base Date Code S5 Double Triode 19 Tube

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$16.95 USD
$16.95 USD
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(1) Tested Philco Type 19 Engraved Base Tube.
Date Code S5.

The tube number is slightly faded but still legible.

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

Gm Test = 1025-1000 micromhos
Minimum pass/good = 630-630

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