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LE620

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ID = 14437
       
Country:
Austria
Brand: Helikon, Helikonwerk, Ing. Richard Martinek; Wien
Tube type:  Triode, vacuum 
  Ca. 1925 up to 1945 rare.
Identical to LE620
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 6 Volts / If 0.2 Ampere / Direct / Battery =
Information source Taschenbuch zum Röhren-Codex 1948/49   
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren   

le620_sock.png LE620: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

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Just Qvigstad
helikonle430_le620_daten_01_1.png
LE620: Helikon Röhrenbroschüre ca. 1927
Thomas Lebeth

 

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