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CX331

Information - Help 
ID = 22244
       
Country:
United States of America (USA)
Brand: Cunningham Inc., E.T.; Harrison (NJ)
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Triode, vacuum   Power/Output 
Identical to CX331 = 231 = 31 = ER231 = SX231 = 431 = 131 = UX231 = NX231 = NU-31
First Source (s)
1930 : Saga of the Vacuumtube, Tyne p.329,330

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.13 Ampere / Direct / Battery =
Dimensions (WHD)
incl. pins / tip
x 93 x 30 mm / x 3.66 x 1.18 inch
Weight 32 g / 1.13 oz
 
cunninghamcx331.jpg
CX331: A. De Poi's collection
Alessandro De Poi

 
cx331_sock.png
CX331: Cunningham Radio Tubes Manual C-10 1932
Daniel Consales

 
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CX331: Cunningham Radio Tubes Manual C-10 1932
Daniel Consales



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