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HF-Fourvolt

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ID = 14298
       
Country:
Great Britain (UK)
Brand: Dario - Impex Electrical Ltd. (see also Dario France); London
Tube type:  Triode, vacuum 
Identical to HF-Fourvolt = HFvor
Similar Tubes
Heater different:
  HF-Bivolt

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.06 Ampere / Direct
Information source Taschenbuch zum Röhren-Codex 1948/49   


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