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G425

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ID = 1359
       
Country:
Germany
Brand: Valvo Radioröhrenfabrik GmbH; Hamburg
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
Identical to G425 = RGN354 = EG200
First year 1930 Tube leaflet collection E.Erb Analysis by original leaflets

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.3 Ampere / Direct
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
g425_01.jpg
G425: Collection TL
Thomas Lebeth

 
16_6.png
G425: Telefunken Werkstattbuch
Wolfgang Bauer

 
g425_spec.png
G425: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector


Usage in Models 1= 1930 ; 2= 1931 ; 1= 1932 ; 1= 1933 ; 1= 1934

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):6


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