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4A15_TKD

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ID = 21248
       
Country:
Germany
Brand: TeKaDe (TKD), Süddeutsche Telefon-Apparate- Kabel- und Drahtwerke; Nürnberg
Tube type:  Triode, vacuum 
Identical to 4A15_TKD
Similar Tubes
Normally replaceable-slightly different:
  B424

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.15 Ampere / Direct / Battery =
Information source Taschenbuch zum Röhren-Codex 1948/49   
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   1950

roehrensockel_4a15.gif 4A15_TKD: TE KA DE Originalprospekt
Thomas Lebeth


Just Qvigstad
4a15_reduit_doc.png
4A15_TKD: Babani 1949-1951
Patrice Zeissloff

More ...

Collection of

Collection of a member from D
 
4a15.jpg

4A15_TKD
 

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