4CX1000A

English Electric Valve Co.

Made in United Kingdom

The 4CX1000A/8168 is a low voltage, high current
tetrode specifically designed for Class AB1 RF linear
amplifier or audio amplifier applications where
its high gain and low distortion characteristics
may be used to advantage.

The tube appears to be used – Filament OK – Hipot OK

Came from broadcast transmitter spares inventory
With a Y-116A Tube Socket –The socket is  Old Stock –
looks new but with some tarnish on the silver

Reasonable offers may be considered