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

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

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

Black plates with a top side square D getter.
The tube number is faded on the glass.

Tested on a calibrated Hickok TV-10 military tube tester with no shorts at 1550-1475 where 800-800 is minimum pass/good.

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