The GI-13BM or ГИ-13БМ is triode designed to be a pulse oscillator. This is a Russian varient of the German LD-12.
Length = 3.37" Diameter = 1.75"
Max voltage = 4000 pulse
Max current = 3.5 amps pulse
Fil voltage = 12.6
Fil current = .6 - .7 amps GOTO INDEX