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NU-57R

Information - Help 
ID = 81673
       
Country:
United States of America (USA)
Brand: National Union Radio Corp.; Orange (NJ)
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to NU-57R
Similar Tubes
Differences not known by us:
  NU-57

Base 6-Pin-Base U6A, old, USA Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC
Dimensions (WHD)
incl. pins / tip
x 123 x 39 mm / x 4.84 x 1.54 inch
Information source -- Collector info (Sammler)   

57_58~~10.png NU-57R: Fin Stewart
Fin Stewart


Just Qvigstad

Collection of

 
nu57r_p01_s.jpg

NU-57R
 

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