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3F40-AC

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ID = 32604
       
Country:
Italy
Brand: Fivre - tubes; Milano (MI)
Tube type:  Transmitter Triode, liquid-cooling   Power/Output 
Identical to 3F40-AC = 137_Fivre = BW137

Filament Vf 18 Volts / If 400 Ampere / Direct
Description External anode, water cooled transmitting triode, capable of 40KW anode power dissipation. The tube is intended for radio or industrial applications, for frequencies up to 10MHz. Pure tungsten, direct heating cathode. 
Weight 12000 g / 423.29 oz
Information source - - Manufacturers Literature   

3f40ac.png
3F40-AC: Manufacturer's Literature
Emilio Ciardiello

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