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ID = 17860
United States of America (USA)
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Transmitting Triode, air cooled   Power/Output 
Identical to VT-4C = CV2576 = 211-Spl
Similar Tubes
Normally replaceable-slightly different:
  211 ; 4C21

Base Jumbo 4-pin bayonet (1918)
Was used by Military and/or Government
Filament Vf 10 Volts / If 3.2 Ampere / Direct

Convection cooled 75 Watt anode dissipation; thoriated-tungsten filament. Mu 12. Uses include AF power amplifiers or modulators, class B RF amplifiers, class C RF amplifiers or oscillators. 4-pin jumbo base.

Dimensions (WHD)
incl. pins / tip
x 200 x 58 mm / x 7.87 x 2.28 inch
Tube prices 1 Tube prices (visible for members only)
Information source Tube Lore (II)   p. 179
Tube Lore (I)   
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49

VT-4C: TO 08-10-139
Götz Linss † 27.06.21

vt4c_so.png VT-4C: ARRL Handbook 1972
Anonymous 10 Collector

Just Qvigstad
VT-4C: internet
Giovanni Mura

Usage in Models 2= 1942?? ; 1= 1947?? ; 1= 1951?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):4

Collection of



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