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4XP

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ID = 15243
       
Country:
Great Britain (UK)
Brand: Cossor, A.C.; London
Tube type:  Triode, vacuum   Power/Output 
Identical to 4XP = LP4_Ferranti
Similar Tubes
Normally replaceable-slightly different:
  202_Ignix ; D404 ; RE604

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
Filament Vf 4 Volts / If 1 Ampere
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
1_68.png
4XP: Telefunken Werkstattbuch
Wolfgang Bauer

 
4xp_data.png
4XP: COSSOR VALVE MANUAL 1935-6
Jose Casas-Avalos


Usage in Models 1= 1935? ; 1= 1935 ; 3= 1937 ; 1= 1938 ; 6= 1939

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):12

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