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MT9F

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ID = 30493
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Developer: Marconi-Osram - (Valves/Tubes); GB 
Tube type:  Transmitting Triode, air cooled   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to MT9F

Base Wires Wires only.
Was used by Transmittertube (Radio)
Filament Vf 17 Volts / If 11.5 Ampere / Direct / Specified voltage AC/DC
Description

Tube designed to operate with a plate voltage of 2000 - 5000. All wires including grid, for connections..

 
Dimensions (WHD)
incl. pins / tip
180 x 480 x mm / 7.09 x 18.90 x inch
Information source Universal Vade-Mecum, Electron Valves and Semiconductor Devices   group 404, p. 907 & 909

mt9fa.png
MT9F: GEC's catalogue supplement
Anonymous 413 Collector

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