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ID = 22808
Brand: BBC - Brown Boveri; Switzerland
Tube type:  Transmitting Triode, air cooled 
Identical to FTL8-1

Was used by Transmittertube (Radio)
Filament Vf 8 Volts / If 80 Ampere / Direct

Power triode for transmission or industrial heating up to 60 MHz. 13.5 kg.

  • 8 kW anode dissipation, with 9 m³ air flow at 80 mm min water pressure.
  • 10 kV anode voltage
  • 25 A max emission at Vf = 8V
  • 15 kW output power, class C, modulated.

Thoriated tungsten filamentary cathode

Dimensions (WHD)
incl. pins / tip
149 x 310 x mm / 5.87 x 12.20 x inch
Weight 13500 g / 476.20 oz
Information source Schweizer Elektronenröhren 1917-2003, Willi E.   Seite 62
FTL8-1: Private collection
Emilio Ciardiello

FTL8-1: orig. data sheet BBC
Michael Schlör

FTL8-1: orig. data sheet BBC
Michael Schlör

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