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NA409U

Information - Help 
ID = 14540
       
Country:
Germany
Brand: Niggl Hochvakuum-Röhren GmbH, München.
Tube type:  TRIODE (Detail uncertain) 
Identical to NA409U
First Source (s)
Sep.1927 : Funk Bastler 1927 Heft 39

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
Filament Vf 4 Volts / If 0.09 Ampere / Direct
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
na409u.jpg
NA409U: Herbert Flick
Herbert Flick

 
na409u_sock.png
NA409U: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

 
na409u_kennli1.png
NA409U: Funk-Bastler 1927, Heft 39
Hartmut Völler



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