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4D80

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ID = 12337
       
Country:
Germany
Brand: TeKaDe (TKD), Süddeutsche Telefon-Apparate- Kabel- und Drahtwerke; Nürnberg
Tube type:  Screen-grid Tetrode 
Identical to 4D80

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fa)
Filament Vf 4 Volts / If 1 Ampere
Information source Taschenbuch zum Röhren-Codex 1948/49   

4d80_sock.png 4D80: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector


Just Qvigstad
4d80_spec.png
4D80: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

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