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B1209

Information - Help 
ID = 13816
       
Country:
France
Brand: Cyrnos (brand) - see also MCB
Tube type:  Triode, vacuum   Audio Frequency 
Identical to B1209
First Source (s)
1930 : Saga of the Vacuum Tube, Tyne p.411

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Filament Vf 4 Volts / If 0.06 Ampere / Direct
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
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B1209: Telefunken Werkstattbuch
Wolfgang Bauer

 

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