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W4080

Country:  Germany      Brand:  Valvo Radioröhrenfabrik GmbH; Hamburg 
  Tube type:  Triode, vacuum   Universal 
Tube ID = 1357
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Identical to W4080 = E438
First year   1930 Tube leaflet collection E.Erb Analysis by original leaflets

Base Europe 5-Pin (O5A, B5) (Codex=F)
Filament Vf 4 Volts / If: 1 Ampere / -: Indirect / -: Parallel, (AC/DC) /
Tube prices 1 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   

w4080_2.jpg
W4080
Roland Biesler

 
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W4080: Telefunken Werkstattbuch
Wolfgang Bauer

 
w4080_daten_kennl.png
W4080: Valvo Daten Heft 1930
Trev Levick

Usage in Models   2= 1929 ; 3= 1930 ; 3= 1931 ; 1= 1932 ; 1= 1933 ; 3= 1934
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):   13

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