4CX1000A Tube with Y-116A Tube Socket
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