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21A7

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ID = 8599
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Triode-Heptode 
Identical to 21A7

Base Loctal-8, B8G (Sylvania, 1938) (Codex=W)
Filament Vf 21 Volts / If 0.16 Ampere
Information source Taschenbuch zum Röhren-Codex 1948/49   

415_5.png 21A7: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
 

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