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4A120

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ID = 15207
       
Country:
Germany
Brand: TeKaDe (TKD), Süddeutsche Telefon-Apparate- Kabel- und Drahtwerke; Nürnberg
Tube type:  Triode, vacuum   Audio Frequency 
Identical to 4A120
Similar Tubes
Normally replaceable-slightly different:
  E409 ; REN904
First year 1929 Tube leaflet collection E.Erb Analysis by original leaflets

Base Europe 5-Pin (O5A, B5) (Codex=F)
Filament Vf 4 Volts / If 1 Ampere / Indirect / Parallel, (AC/DC)
Description Offene Kasten-Anode (U-Profil). 
Tube prices 1 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   Funke, Prüfkartenverzeichnis
 
4a120.jpg
4A120: Sammlung
Karlheinz Fischer

 
4a120_sock.png
4A120: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

 
4a120_spec.png
4A120: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector



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