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4F3

Information - Help 
ID = 9430
       
Country:
Germany
Brand: TeKaDe (TKD), Süddeutsche Telefon-Apparate- Kabel- und Drahtwerke; Nürnberg
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to 4F3
Similar Tubes
Normally replaceable-slightly different:
  AF3

Base Europe side contact P8A (Au P, 8SC) (Codex=Sf)
Filament Vf 4 Volts / If 0.6 Ampere / Indirect / Parallel, (AC/DC)
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
d_tekade_4f3.jpg
4F3: Dietrich Ehrhold
Dietrich Ehrhold

 
au25~~2.png
4F3: RTT 1974 (Franzis) 13. Auflage
Martin Renz

 

from Just Qvigstad


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