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NU-2A7S

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ID = 77513
       
Country:
United States of America (USA)
Brand: National Union Radio Corp.; Orange (NJ)
Tube type:  Pentagrid-Converter (Heptode)   Frequency converter 
Identical to NU-2A7S
Similar Tubes
Other class quality (otherwise equal):
  2A7 ; G-2A7-S

Base 7-Pin-Base U7A = small, 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)
Description This tube fitted with a metal shield over the bulb. 
Dimensions (WHD)
incl. pins / tip
x 116 x 42 mm / x 4.57 x 1.65 inch
Weight 43 g / 1.52 oz
Literature -- Original prospect or advert   Shapleigh Hardware Co st Louis catalogue 1935
 
2a7_6a7~~2.png
NU-2A7S: Fin Stewart
Fin Stewart

 

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