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IW3

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ID = 7941
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to IW3
Similar Tubes
Normally replaceable-slightly different:
  A11B ; MU12 ; R2 ; SSIH120/350 ; UU3

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Em)
Filament Vf 4 Volts / If 2.4 Ampere / Half indirect
Description

350v RMS per anode. I<120mA at 350V dc.

 
Literature Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   
 
iw3mullard1_klein.jpg
IW3
Geri Meier

 
150_6.png
IW3: Telefunken Werkstattbuch
Wolfgang Bauer

 
iw3_techdat01.png
IW3: Mullard Valves 1936
Peter Hoddow


Usage in Models 4= 1931 ; 1= 1933?? ; 3= 1933? ; 4= 1933 ; 2= 1934?? ; 1= 1934? ; 13= 1934 ; 1= 1935? ; 23= 1935 ; 15= 1936? ; 11= 1936 ; 1= 1938? ; 1= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):80


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