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PB172

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ID = 14602
       
Country:
Great Britain (UK)
Brand: Dario - Impex Electrical Ltd. (see also Dario France); London
Tube type:  TRIODE (Detail uncertain) 
Identical to PB172
Similar Tubes
Normally replaceable-slightly different:
  B217

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Filament Vf 2 Volts / If 0.1 Ampere / Direct
Information source Taschenbuch zum Röhren-Codex 1948/49   


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