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E200/300

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ID = 12703
       
Country:
France
Brand: Celsior; France
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
Identical to E200/300
First year 1930 Saga of the Vacuumtube, Tyne page 410

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

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