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A4FF4

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ID = 10897
       
Country:
Spain
Brand: Castilla; Madrid
Tube type:  Vacuum Pentode   Power/Output 
Identical to A4FF4 = AL4

Base Europe side contact base P (P8A) (Codex=Seo)
Filament Vf 4 Volts / If 1.7 Ampere
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
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A4FF4: Telefunken Werkstattbuch
Wolfgang Bauer

 

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