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DDT213

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ID = 29812
       
Country:
Great Britain (UK)
Brand: Hivac Ltd.; Harrow-on-the-Hill
Tube type:  Double Diode-Triode   Detector 
Identical to DDT213

Base British-7-Pin, old (M7A) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 13 Volts / If 0.3 Ampere / Indirect / Specified current AC/DC ~ = (Series working)
Information source Universal Vade-Mecum, Electron Valves and Semiconductor Devices   group 298


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