RCA 5U4G Smooth Black Plate Bottom Square Getter Hanging Filament Rectifier Vacuum Tube Made in USA. Desirable Smooth Plate Hanging Filament version. Date Code: S6E This tube is made in 1942 in USA. Fully tested by calibrated Hickok 539C tube tester with no shorts, leakage or gas. Measurement: 100/108 where minimum good value is 54 Measures Strong! I will gladly combine shipping upon request. |
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