Power Amplifier Tube
The 6418 Vacuum tube is a subminiature type used as an
output amplifier in subminiature equipment. It requires
either a subminiature socket or direct soldering of the
wires from the tube to circuit components.
Electrical Data;
Filament Voltage ............................. 1.25 V
Filament Current ............................. 0.01 A
Preferred Substitute .............................
....... CK543X