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St3

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ID = 16415
       
Country:
Austria
Brand: Helikon, Helikonwerk, Ing. Richard Martinek; Wien
Tube type:  Transmitting Triode, air cooled   Power/Output 
Identical to St3

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Transmittertube (Radio)
Filament Vf 4 Volts / If 0.2 Ampere / Direct
Information source Taschenbuch zum Röhren-Codex 1948/49   
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren   
-- Original prospect or advert

st3_sock.png St3: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

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Just Qvigstad
st3.png
St3: Funk-Bastler 1928, Heft 32
Hartmut Völler

 

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