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ID = 17131
Great Britain (UK)
Brand: Osram-Valves GB (not MO-Valves)
Tube type:  Transmitting Triode, air cooled   Universal 
Identical to DET3_GB = VT34
Similar Tubes
Normally replaceable-slightly different:
  CV1034 ; E134
Other characteristic (electr. data):
Other base:
Successor Tubes CV1034  

Base Wires only.
Was used by Transmittertube (Radio)
Filament Vf 15 Volts / If 4 Ampere / Direct

Power triode, convection cooled, capable of 250W anode dissipation. Flyng wires. Direct heating cathode, thoriated tungsten. As telegraphy or telephony class C amplifier or oscillator the tube can operate up to 3MHz. The tube was also widely used particularly in the amplifier chains employed in the Marconi short wave transmitters SWB8, SWB10 and SWB11.

Weight 490 g / 17.28 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   
The Saga of Marconi Osram Valve   pages 163 & 168
- - Manufacturers Literature
Babani, International Radio Tube Encyclopaedia



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