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G4200

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ID = 1970
       
Country:
Germany
Brand: Valvo Radioröhrenfabrik GmbH; Hamburg
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to G4200 = G2004 = 1561
Similar Tubes
Normally replaceable-slightly different:
  G4120_Triotron ; R0431
First year 1929 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 2 Ampere / Direct
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
valvo_g4200_bild1.jpg
G4200
Rudolf Osterkamp

 
17_23.png
G4200: Telefunken Werkstattbuch
Wolfgang Bauer

 
g4200_spec.png
G4200: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector


Usage in Models 1= 1930 ; 2= 1938??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3



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