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A4100 Info
Country:  Germany      Brand:  Valvo Radioröhrenfabrik GmbH; Hamburg 
  Tube type:  Triode, vacuum 
Tube ID = 1944
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Identical to A4100 = REN804 = E415
First Series   1928 Tube leaflet collection E.Erb Analysis by original leaflets

Base Europe 5-Pin (O5A, B5) (Codex=F)
Was used by Radio/TV-reception etc.
Filament -: Indirect / -: Parallel, (AC/DC) / If: 1 Ampere / Vf 4 Volts /
Literature Taschenbuch zum Röhren-Codex 1948/49   

a41001.jpg
Eigene Sammlung
Heinz Schmidt

 
7_5.png
Telefunken Werkstattbuch
Wolfgang Bauer

 
vv34_26.png
Valvo-Röhren-Daten 1934
Jacob Roschy

Usage in Models   4= 1928 ; 5= 1929 ; 1= 1930 ; 1= 1931 ;
Number of Models with this tube   11
No further Information for

A4100    

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