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R224

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ID = 11589
       
Country:
Germany
Brand: Valvo GmbH, Radioröhrenfabrik; Hamburg
Tube type:  Double Pentode   Power/Output 
Identical to R224
Similar Tubes
Heater different:
  R204_RT
Multiple differences or of other kind:
  ELL1

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ue)
Filament Vf 6.3 Volts / If 0.4 Ampere / Indirect / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   

r224_so.png R224: rtt
Anonymous 10 Collector

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Just Qvigstad

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r224_970rm.jpg

R224
 

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