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O1-B

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ID = 29901
       
Country:
United States of America (USA)
Brand: National Union Radio Corp.; Orange (NJ)
Tube type:  LOCKED OFF PART (CODE 9) - see in Notes   Audio Frequency 
Identical to O1-B

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Description

Not O1-B, see 01B

 
Text in other languages (may differ)
Information source Babani, International Radio Tube Encyclopaedia   


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