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4U80

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ID = 22890
       
Country:
Germany
Brand: TeKaDe (TKD), Süddeutsche Telefon-Apparate- Kabel- und Drahtwerke; Nürnberg
Tube type:  Triode, vacuum 
Identical to 4U80 = REN2204

Filament Indirect
Information source - - -   Ratheiser, Röhrenhandbuch, 1948
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4u80_so.png 4U80: rtt
Anonymous 10 Collector

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