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NU-57L

Information - Help 
ID = 80725
       
Country:
United States of America (USA)
Brand: National Union Radio Corp.; Orange (NJ)
Tube type:  Vacuum Pentode 
Identical to NU-57L
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 Volts / If 1 Ampere
Dimensions (WHD)
incl. pins / tip
38 x 123 x mm / 1.50 x 4.84 x inch
Weight 39 g / 1.38 oz


Just Qvigstad

Collection of

 
nu_57L_national_union_1.jpg

NU-57L
 

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