Summary

Gl880 triode, transmitting; water cooled. Made by General Electric in U. S. A. Bought in 1940s.
Filament 12.6 volts at 320 amps; anode 10 kilovolts at 6.0 amperes; 20 kilowatt anode dissipation to 25 mhz; amplification factor 20.

Physical Description

Shouldered glass bulb with four large pins and exhaust tip onone end and copper cylinder and ring (water cooled anode) on other end.

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