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G224

Information - Help 
ID = 7820
       
Country:
Netherlands
Brand: Marathon (tubes), Radio-Marathon, N.V. Rave; Amsterdam, Eindhoven
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
  Ca. 1925 up to 1945 rare.
Identical to G224
Similar Tubes
Normally replaceable-slightly different:
  1561 ; PV4200 ; R240 ; RGN2004

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   
- - Manufacturers Literature   1935
 
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G224: Telefunken Werkstattbuch
Wolfgang Bauer

 
g224data.png
G224: own collection
Peter den Boer


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