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DW4

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ID = 7743
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to DW4 = 1561 = RGN2004
Similar Tubes
Normally replaceable-slightly different:
  W10 ; W120/500

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   
 
17_74.png
DW4: Telefunken Werkstattbuch
Wolfgang Bauer

 
dw4_techdat01.png
DW4: Mullard Valves 1936
Peter Hoddow


Usage in Models 1= 1932 ; 2= 1934?

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

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