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(1) Tested RCA 6AB4 Tube with Box High Mu Triode Vacuum Tube

(1) Tested RCA 6AB4 Tube with Box High Mu Triode Vacuum Tube

Tested and Guaranteed

$10.95 USD
$10.95 USD
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(1) Tested RCA 6AB4 Tube with Original Box.

The wording is partially worn and faded but still recognizable.

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 = 4000 micromhos
Minimum pass/good = 2500
Average NOS rating = 3750

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