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CX301A

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ID = 3997
       
Country:
United States of America (USA)
Brand:
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Triode, vacuum   Universal 
Identical to CX301A = AX201A = D401A = UX-201-A_Japan = 201 = 201A = ER201A = FX201A = BX-201A = C-201A = OK-X201A = AX+ = G201A = CF501 = 6505_Defender = GSX401A = EX-1A = DX201A = CTX201A = 401A_UX = GSX-201A = 301A = 57T201A = JX201A = M-201-A = 3000X1-A = RYB201A = VX201A = HF201A_perfectron = TSX201A = SW201A = A-201 = LB-201A = LS201A = P201A = DC201A_UX = SX01A = SLX201A = MX201A = RH201A = PA201A = XL201A = D201A = G&R201A = NX-201A = A_UX-base = ZP201A = BG-201A = RayX-201A = T-201A = TS201A = D-201A = EX201A = R201A = Z201A = A_MusicMaster = S01A = E-201-A = UX201A = X-201A = TC201A
Similar Tubes
Other shape (e.g. bulb type):
  DX-235 ; M-201A ; T01A
Normally replaceable-slightly different:
  201A_Magnavox ; 501A_UX ; 525C ; F201A ; SW501AX ; SX4000
Other class quality (otherwise equal):
  CTX201-RF
Other base:
  B509
First year Aug.1925 Saga of the Vacuum Tube, Tyne Page 315 - about the UX201A.
Predecessor Tubes C301A  
Successor Tubes 01A  
Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bo)
Filament Vf 5 Volts / If 0.25 Ampere / Direct / Battery =
Description The CX301A or CX-301-A is a UX201A, made ba Cunningham. The UX201A was introduced to the market in August 1925 when the UV201A was withdrawn from the market (Tyne page 315). 
Text in other languages (may differ)
Tube prices 7 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
cx301a_appb.png
CX301A
Emilio Ciardiello     More ...
uxsockel_1.png CX301A: KoBi
Konrad Birkner † 12.08.2014
More ...
Just Qvigstad 		cx301a_daten_p1.png
CX301A: Cunningham Radio Tubes Manual C-10 1932
Daniel Consales
More ...
Usage in Models 2= 1925? ; 6= 1925 ; 3= 1926? ; 12= 1926 ; 4= 1927? ; 30= 1927 ; 29= 1928 ; 4= 1929?? ; 1= 1929? ; 9= 1929
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):100

Collection of

Jay Vonderhey (USA)
Robert Gillespie (USA)
David Erali (USA)
Bruce Morgenstern (CDN)
George Papaiz (CDN)
Lindsay Shepherd (AUS)
Gary Cowans (AUS)
Albert Vonarburg (CH)
Geri Meier (CH)
Jean-Luc Collombon (F)
Pedro Prieto-Castro (E)
Jose Luis Villabona Horreo (E)
Alessandro De Poi (I)
Emilio Ciardiello (I)
Antonio Varrica (I)
Emilio Focosi (I)
Heinz Schmidt (D)
Otto Frosinn (D)
Helmut Matysik (D)
Karlheinz Fischer (D)
Hartmut Völler (D)
Konrad Birkner † 12.08.2014 (D)
Collection of a member from D
Rudolf Osterkamp (D)
 
cx301_a_cunningham.jpg

CX301A
 
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