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4L14A

Information - Help 
ID = 72750
       
Country:
Germany
Brand: TeKaDe (TKD), Süddeutsche Telefon-Apparate- Kabel- und Drahtwerke; Nürnberg
Tube type:  Triode, vacuum   Power/Output 
Identical to 4L14A
Similar Tubes
Normally replaceable-slightly different:
  4L14

Base Europe 4-Pin (A, 4A, B4, since 1914)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / Direct / Parallel, (AC/DC)
 
dscn8615_700px_1.jpg
4L14A: N.H.
Norbert Haselbach

 


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