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HF240

Information - Help 
ID = 35251
       
Country:
United States of America (USA)
Brand: Amperex; New York
Tube type:  Transmitting Triode, air cooled   Power/Output 
Identical to HF240
Similar Tubes
Normally replaceable-slightly different:
  211D
Successor Tubes HF120   211B  

Base Jumbo 4-pin bayonet (1918)
Was used by Transmittertube (Radio)
Filament Vf 10 Volts / If 3.2 Ampere / Direct / Specified voltage AC/DC
Description

Convection cooled 100 Watt max anode dissipation; thoriated-tungsten filament. Mu 12. Uses include AF power amplifiers or modulators, class B RF amplifiers, class C RF amplifiers or oscillators up to 15MHz, full ratings.

 
Information source - - Manufacturers Literature   

vt4c_17.png HF240: Manufacturer's Literature
Emilio Ciardiello


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