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C57

Information - Help 
ID = 22262
       
Country:
United States of America (USA)
Brand: Cunningham Inc., E.T.; Harrison (NJ)
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to C57
Similar Tubes
Normally replaceable-slightly different:
  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
Dimensions (WHD)
incl. pins / tip
x 123 x 39 mm / x 4.84 x 1.54 inch
Weight 42 g / 1.48 oz
Information source -- Collector info (Sammler)   

c57_sch.png
C57: E.T. Cunningham Inc., 1932
Günter Kudicke

c57_sockel.png C57: E.T. Cunnigham Inc., 1932
Günter Kudicke


Just Qvigstad
c57_daten_p1.png
C57: Cunningham Radio Tubes Manual C-10 1932
Daniel Consales

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