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G4200

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ID = 1970
       
Country:
Germany
Brand: Valvo GmbH, Radioröhrenfabrik; 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 B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Filament Vf 4 Volts / If 2 Ampere / Direct
Information source Taschenbuch zum Röhren-Codex 1948/49   

17_23.png G4200: Telefunken Werkstattbuch
Wolfgang Bauer


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

Usage in Models 1= 1930 ; 2= 1935? ; 1= 1936?? ; 2= 1938??

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


Collection of

Collection of a member from D
 
valvo_g4200_bild1.jpg

G4200
 

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