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DW2_Mullard

Information - Help 
ID = 19392
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Developer: Mullard Radio Valve Co. Ltd.;  
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to DW2_Mullard
Similar Tubes
Normally replaceable-slightly different:
  506 ; W462_Six-Sixty

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Filament Vf 4 Volts / If 1 Ampere / Direct
Description

Mazda in France produced also a DW2 - but that is a tetrode! Input <250v rms per anode. Maximum mean rectified current 60mA at 250v. (Mullard 1935 Data book.) Price 12/6 - approx 1 Euro in 1935.

 
Text in other languages (may differ)
Information source -- Original-techn. papers.   
 
mullard_dw2_01.jpg
DW2_Mullard: RFJ
Roy Johnson

 
17_71.png
DW2_Mullard: Telefunken Werkstattbuch
Wolfgang Bauer

 
dw2_techdat01.png
DW2_Mullard: Mullard Valves 1936
Peter Hoddow


from Just Qvigstad

Usage in Models 1= 1928 ; 3= 1929 ; 3= 1930 ; 1= 1931? ; 2= 1931 ; 1= 1932? ; 8= 1932 ; 4= 1933? ; 4= 1934? ; 1= 1935?? ; 11= 1936 ; 3= 1937

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):42

Collection of a member from D
Collection of a member from FIN

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