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(1) Tested RCA 5U4GB Tube Date Code NK RCA 5U4 GB Full Wave Rectifier Tube

(1) Tested RCA 5U4GB Tube Date Code NK RCA 5U4 GB Full Wave Rectifier Tube

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$19.95 USD
$19.95 USD
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(1) Tested RCA 5U4GB Tube.
Date Code NK.

Tested on a calibrated Hickok TV-10 military tube tester with no shorts at 1500-1525 where 800-800 is minimum pass/good.

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