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Dn404

Information - Help 
ID = 14118
       
Country:
Netherlands
Brand: Radio-Record - Röhrenmarke; Holland
Tube type:  Triode, vacuum   Audio Frequency 
  Ca. 1925 up to 1945 rare.
Identical to Dn404
Similar Tubes
Normally replaceable-slightly different:
  AR4101 ; E438

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=F)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC
Description

Aso with B4 base + sidecontact.

 
Information source Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Section 99, p. 133
- - Manufacturers Literature   
Taschenbuch zum Röhren-Codex 1948/49

dn404_sock.png Dn404: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

More ...

Just Qvigstad
dn404.png
Dn404: own collection
Peter den Boer

 

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