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LN408

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ID = 14451
       
Country:
Austria
Brand: Helikon, Helikonwerk, Ing. Richard Martinek; Wien
Tube type:  Triode, vacuum 
Identical to LN408
First Source (s)
Jul.1928 : Funk Bastler 1928, Heft 32

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.08 Ampere / Direct / Battery =
Information source Taschenbuch zum Röhren-Codex 1948/49   
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren   

ln408_sock.png LN408: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

More ...

Just Qvigstad
helikonln408_daten_01.png
LN408: Helikon Röhrenbroschüre ca. 1927
Thomas Lebeth

 

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