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A4100

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

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 Ampere / Indirect / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   

7_5.png A4100: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
vv34_26.png
A4100: Valvo-Röhren-Daten 1934
Jacob Roschy

Usage in Models 4= 1928 ; 7= 1929 ; 1= 1931 ; 1= 1934??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):13

Collection of

 
a4100_valvo.jpg

A4100
 

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