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SP43/U

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ID = 82603
       
Country:
Great Britain (UK)
Brand: Metropolitan-Vickers (Metro-Vick, Cosmos); GB
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
Identical to SP43/U

Base Europe 4-Pin B4 + side contact
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Direct
Information source History of the British Radio Valve to 1940   p.168
British Radio Valves - The Classic Years: 1926-1946   p. 142


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