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4AC1

Information - Help 
ID = 22678
       
Country:
Spain
Brand: Castilla; Madrid
Tube type:  Triode, vacuum 
Identical to 4AC1
Similar Tubes
Normally replaceable-slightly different:
  HR410

Filament Vf 4 Volts
Literature - - -   de Darkness, Radio Válvulas, 1952
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