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4L14

Information - Help 
ID = 15231
       
Country:
Germany
Brand: TeKaDe (TKD), Süddeutsche Telefon-Apparate- Kabel- und Drahtwerke; Nürnberg
Tube type:  Triode, vacuum   Power/Output 
Identical to 4L14
Similar Tubes
Normally replaceable-slightly different:
  4L14A
First year 1929 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
1929 : Funk Bastler 1930 Heft 10

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.15 Ampere / Direct / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   

4l14_sock.png 4L14: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector


Just Qvigstad
4l14_spec.png
4L14: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

Collection of

 
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4L14
 

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