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(1) Tested RCA 5R4GYB Tube Date Code 7230 Black Plates O Getter 5R4 GYB Tube

(1) Tested RCA 5R4GYB Tube Date Code 7230 Black Plates O Getter 5R4 GYB Tube

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$24.95 USD
$24.95 USD
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(1) Tested RCA 5R4GYB Tube.
Date Code 7230.

Black plates with a top side O ring getter.

The tube number is worn off of the glass.

Tested on a calibrated Hickok TV-10 military tube tester with no shorts at 1550-1450 where 800-800 is minimum pass/good.

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