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S220

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ID = 12972
       
Country:
Hungary
Brand: Tungsram; Budapest (see also British T.)
Tube type:  Screen-grid Tetrode 
Identical to S220

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Er)
Filament Vf 2 Volts / If 0.18 Ampere
Information source Taschenbuch zum Röhren-Codex 1948/49   

3_14.png S220: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
 

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