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CX371A

Information - Help 
ID = 3998
       
Country:
United States of America (USA)
Brand:
Tube type:  Triode, vacuum   Power/Output 
Identical to CX371A = 71A = UX171A = CX71A = 4616_WLS = 57T171A = J71A = ER71A = 071A = ER171A = AC4 = X-171A = RYB171A = DX-171A = VX171A = AX-171A = T-71A = T-171A = LS171A = MX171A = JX-171A = SLX171A = RX171A = RayX-171A = TC171A = PR61 = GX171A
Similar Tubes
Normally replaceable-slightly different:
  D171AC ; KH-6 ; PA171A
Heater different:
  071H ; 71 ; UX171
Successor Tubes TC171A  
Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bo)
Filament Vf 5 Volts / If 0.25 Ampere / Direct / Battery =
Information source -- Collector info (Sammler)   
Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia
 
cx71a_1.jpg
CX371A: A. De Poi
Alessandro De Poi
More ...
 
uxsockel_2.png
CX371A: KoBi
Konrad Birkner † 12.08.2014
 
cx371a_daten_p1.png
CX371A: Cunningham Radio Tubes Manual C-10 1932
Daniel Consales
More ...

from Just Qvigstad
Usage in Models 1= 1925? ; 5= 1925 ; 8= 1926 ; 30= 1927 ; 1= 1928?? ; 45= 1928 ; 9= 1929? ; 22= 1929
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):121
Collection of Alessandro De Poi (I)
Collection of Rudolf Osterkamp (D)
Collection of Karlheinz Fischer (D)
Collection of Bruce Morgenstern (CDN)
Collection of Pedro Prieto-Castro (E)
Collection of David Erali (USA)
Collection of Robert Gillespie (USA)
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