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NA406W

Information - Help 
ID = 14539
       
Country:
Germany
Brand: Niggl Hochvakuum-Röhren GmbH, München.
Tube type:  TRIODE (Detail uncertain) 
Identical to NA406W
First Source (s)
Jul.1928 : Funk Bastler 1928, Heft 33

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Filament Vf 4 Volts / If 0.06 Ampere / Direct
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
na406w_sock.png
NA406W: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

 

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