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G2504

Information - Help 
ID = 7857
       
Country:
Germany
Brand: Valvo Radioröhrenfabrik GmbH; Hamburg
Tube type:  High-vacuum Rectifier 
Identical to G2504 = 1815
Similar Tubes
Normally replaceable-slightly different:
  W10

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
Filament Vf 4 Volts / If 2.5 Ampere / Direct
Tube prices 4 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
g2504_1.jpg
G2504
Roland Biesler

 
17_17.png
G2504: Telefunken Werkstattbuch
Wolfgang Bauer

 
vv34_62.png
G2504: Valvo-Röhren-Daten 1934
Jacob Roschy


Usage in Models 1= 1936?? ; 1= 1948? ; 1= 1950?

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



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