radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.

G490

Information - Help 
ID = 2030
       
Country:
Germany
Brand: Valvo Radioröhrenfabrik GmbH; Hamburg
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to G490 = 506 = RGN1054 = VG240
Similar Tubes
Normally replaceable-slightly different:
  1823 ; R0437
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 1 Ampere / Direct
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
g490_a.jpg
G490: scc
Christian Schaufelberger

 
17_9.png
G490: Telefunken Werkstattbuch
Wolfgang Bauer

 
g490_spec.png
G490: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector


Usage in Models 4= 1929 ; 1= 1930 ; 2= 1931 ; 2= 1932 ; 1= 1934? ; 1= 1934 ; 1= 1935? ; 4= 1935 ; 1= 1936?? ; 1= 1936? ; 1= 1937

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):19


You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  
rmXorg