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D20/2

Information - Help 
ID = 14043
       
Country:
Germany
Brand: Spanner GmbH, Marken: Delta Valve, Altron, Neo-Delta; Berlin
Tube type:  TRIODE (Detail uncertain) 
Identical to D20/2
First Source (s)
Jul.1928 : Funk Bastler 1928, Heft 31

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Filament Vf 2 Volts / If 0.1 Ampere / Direct
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
d202.png
D20/2: Funk-Bastler 1928, Heft 41
Hartmut Völler


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