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4DC

Information - Help 
ID = 22681
       
Country:
Spain
Brand: Castilla; Madrid
Tube type:  Triode, vacuum 
Identical to 4DC
Similar Tubes
Normally replaceable-slightly different:
  B424

Filament Vf 4 Volts
Information source - - -   de Darkness, Radio Válvulas, 1952
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4dc_so.png 4DC: rtt
Anonymous 10 Collector

 

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