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L414

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ID = 2024
       
Country:
Germany
Brand: Valvo Radioröhrenfabrik GmbH; Hamburg
Tube type:  Triode, vacuum   Power/Output 
Identical to L414 = B405 = RE134
Similar Tubes
Normally replaceable-slightly different:
  D9 ; L316 ; LU4A ; M94
First year 1927 Tube leaflet collection E.Erb Analysis by original leaflets

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
Filament Vf 4 Volts / If 0.15 Ampere / Direct / Parallel, (AC/DC)
Literature Radio-Expres, Netherlands   
Taschenbuch zum Röhren-Codex 1948/49   
 
l414_2.jpg
L414
Gabriel Toth

 
1_42.png
L414: Telefunken Werkstattbuch
Wolfgang Bauer

 
l414_daten_kennl.png
L414: Valvo Daten Heft 1930
Trev Levick


Usage in Models 1= 1927? ; 2= 1928? ; 5= 1928 ; 1= 1929?? ; 1= 1929? ; 2= 1929 ; 1= 1930? ; 1= 1930 ; 2= 1931? ; 2= 1931 ; 2= 1932?? ; 6= 1932 ; 1= 1933? ; 2= 1934 ; 2= 1935

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):31


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