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W120/500

Information - Help 
ID = 72907
       
Country:
Great Britain (UK)
Brand: Six Sixty (valves), The Electron Company Ltd.; London
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to W120/500
Similar Tubes
Normally replaceable-slightly different:
  DW4

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Direct / Parallel, (AC/DC)
Information source - - Manufacturers Literature   1934
 

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