Western Electric 396A/2C51/5670 Vacuum Tube Black Plate Square Getter Made in USA. Made very early in 1958. Date Code: 5826 Made in the 2nd quarter 1958 in USA. Fully tested by calibrated Hickok 539C tube tester with no shorts, leakage or gas. Measurement: 4000/4000 where minimum good value is 3150 Tightly balanced triodes! |
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