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PT41B

Information - Help 
ID = 11555
       
Country:
Great Britain (UK)
Brand: Cossor, A.C.; London
Tube type:  Vacuum Pentode   Power/Output 
Identical to PT41B
First year Aug.1932 - - Data from my own collection
First Source (s)
Aug.1932 : The Wireless World, London (WW, 79) p168

Base Europe 5-Pin (O5A, B5) (Codex=Foo)
Filament Vf 4 Volts / If 1 Ampere / Direct / Parallel, (AC/DC)
Description High voltage version of PT41. Pa <12W Va<400, Vs<300. 
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
pt41b.jpg
PT41B: R.O.
Rudolf Osterkamp

 
606_16.png
PT41B: Telefunken Werkstattbuch
Wolfgang Bauer

 
pt41b.png
PT41B: COSSOR VALVE MANUAL 1935-6
Jose Casas-Avalos


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