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4AAF1

Information - Help 
ID = 22676
       
Country:
Spain
Brand: Castilla; Madrid
Tube type:  Triode, vacuum 
Identical to 4AAF1
Similar Tubes
Normally replaceable-slightly different:
  A425

Filament Vf 4 Volts
Information source - - -   de Darkness, Radio Válvulas, 1952
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4aaf1_so.png
4AAF1: rtt
Michael Schlör

 

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