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ID = 27583
Great Britain (UK)
Brand: GEC, General Electric Co Ltd., GENALEX; London
Tube type:  Transmitting Triode, air cooled   VHF 
Identical to CV15 = E1266

Base Wires
Was used by Radar
Filament Vf 3.25 Volts / If 6.75 Ampere / Direct

Conduction-cooled VHF triode, a sort of radiatorless CV90. Thoriated-tungsten filament. Since the power dissipation of the bare tube is only 1 W, adequate cooling must be provided so that anode temperature does not exceed 140 degrees/C even when only the filament is powered.

  • 4 kV max anode voltage
  • 1.75 A emission
  • 300MHz max operating frequency.
Information source -- Original-techn. papers.   

CV15: Manufacturer's Literature
Emilio Ciardiello

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