The 25T or 3C34 is a general purpose, 25 watt dissipation triode with a mu of 24 and a maximum frequency of 60 MHz for full ratings made by Eimac. Later Eimac tubes had metal bases as in the second and the "electrical sample" marked third example. The fourth example was made by Sylvania. Interchangeable with the H&K HK-24.
Length = 4.38" Diameter = 1.44"
Max voltage = 2000 VDC
Max current = 75 ma
Fil voltage = 6.3 volts
Fil current = 3 amps GOTO INDEX