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4A80

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ID = 13246
       
Country:
Germany
Brand: TeKaDe (TKD), Süddeutsche Telefon-Apparate- Kabel- und Drahtwerke; Nürnberg
Tube type:  Triode, vacuum 
Identical to 4A80
Similar Tubes
Normally replaceable-slightly different:
  REN804
Other base and data slightly different:
  KL70505
First year 1929 Tube leaflet collection E.Erb Analysis by original leaflets

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=F)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   

4a80_sock.png 4A80: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector


Just Qvigstad
4a80_spec01.png
4A80: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

 

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