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230PT

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ID = 10795
       
Country:
Great Britain (UK)
Brand: Cossor, A.C.; London
Developer: Cossor, A.C.; London 
Tube type:  Vacuum Pentode   Power/Output 
Identical to 230PT
Similar Tubes
Normally replaceable-slightly different:
  C243
First Source (s)
Dec.1929 : Wireless World (The), London (WW, 79) Company advertisement
1929 : History of the British Radio Valve to 1940 p.185

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eoo)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.3 Ampere / Direct / Battery =
Information source Röhren-Vademecum; P.H. Brans; Antwerpen   p. 125
Babani, International Radio Tube Encyclopaedia   p. 30 & 31
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49

596_2.png 230PT: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
data_230pt~~1.png
230PT: own collection
Peter den Boer

Collection of

 
230pt_cossor.jpg

 

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