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A4AF

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ID = 13654
       
Country:
Spain
Brand: Castilla; Madrid
Tube type:  Triode, vacuum   Audio Frequency 
Identical to A4AF = E499

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=F)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1.2 Ampere / Indirect / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   

7_82.png A4AF: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
Usage in Models 1= 1930 ; 1= 1933??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2

Collection of

 
a4af_bild1.jpg

A4AF
 

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