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C-201A

Information - Help 
ID = 57208
       
Country:
United States of America (USA)
Brand:
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Triode, vacuum   RF/IF-Stage 
  Ca. 1925 up to 1945 rare.
Identical to C-201A = UX201A = CX301A = 101A
Similar Tubes
Normally replaceable-slightly different:
  01A

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Was used by Radio/TV-reception etc.
Filament Vf 5 Volts / If 0.25 Ampere / Direct / Battery =
Dimensions (WHD)
incl. pins / tip
x 108 x 45 mm / x 4.25 x 1.77 inch
Weight 47 g / 1.66 oz
Information source - - Manufacturers Literature   
 
cornell_c_201_a_tube_jk.jpg
C-201A: Joe Knight collection
Fin Stewart

 
171_20~~5.png
C-201A: Telefunken Werkstattbuch
Wolfgang Bauer

 
c-201adata.png
C-201A: own collection
Peter den Boer


from Just Qvigstad

Usage in Models 1= 1922 ; 5= 1925 ; 1= 1926 ; 1= 1927 ; 1= 1928 ; 1= 1929

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):10



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