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DW3_Mullard

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ID = 20723
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to DW3_Mullard
Similar Tubes
Normally replaceable-slightly different:
  1807
Different maximum ratings:
  RGN2004
Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Filament Vf 4 Volts / If 2 Ampere / Direct
Description <350V rms per anode and <120mA mean rectified current at 350V dc. Mullard 1935 data book. 
Information source -- Original-techn. papers.   
17_115.png DW3_Mullard: Telefunken Werkstattbuch
Wolfgang Bauer

Just Qvigstad 		dw3_techdat01.png
DW3_Mullard: Mullard Valves 1936
Peter Hoddow
Usage in Models 4= 1931? ; 4= 1931 ; 1= 1932?? ; 1= 1932? ; 4= 1932 ; 2= 1933?? ; 4= 1933? ; 4= 1933 ; 6= 1934? ; 4= 1934 ; 1= 1935? ; 1= 1935
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):36

Collection of

Collection of a member from D
 
mullard_dw3.jpg

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