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SG207

Information - Help 
ID = 13010
       
Country:
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Tube type:  Screen-grid Tetrode 
Identical to SG207

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Er)
Filament Vf 4 Volts / If 0.1 Ampere
Information source Taschenbuch zum Röhren-Codex 1948/49   


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