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NU-2B7

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ID = 76990
       
Country:
United States of America (USA)
Brand: National Union Radio Corp.; Orange (NJ)
Tube type:  Double Diode-Pentode   RF/IF-Stage 
Identical to NU-2B7 = 2B7

Base 7-Pin-Base-general, old, USA Top contact with a cap
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 0.8 Ampere / Indirect / Parallel, (AC/DC)
Literature -- Original prospect or advert   Shapleigh Hardware Co St Louis 1935 catalogue
 
2b7~~4.png
NU-2B7: Fin Stewart
Fin Stewart

 

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