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7929

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ID = 32564
       
Country:
Italy
Brand: Marconi Italiana (Marconifono), Officine / Ufficio Marconi; Genova, Roma
Tube type:  Transmitter Triode, liquid-cooling   Power/Output 
Identical to 7929 = TW40

Filament Vf 18 Volts / If 400 Ampere / Direct
Description External anode, water cooled transmitting triode, capable of 40KW anode power dissipation. Intended for industrial applications, the tube could be used as class C amplifier or oscillator up to 10MHz at full power and up to 30MHz with reduced anode voltage. Pure tungsten direct heating cathode. 
Weight 10000 g / 352.74 oz
Information source - - Manufacturers Literature   
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7929_tw40_1_1.png
7929: Manufacturer's Literature
Emilio Ciardiello

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