Transmitting Tetrode
The Eimac 4CX300A / 8167 is a forced air cooling ceramic
tetrode capable of operation up to 500MHz. It has a
breech-block base. The special socket required for the
4CX300A / 8167 is an SK740 or SK700.
Eimac SK-200 or equivalent.
Electrical Data:
Heater Voltage .................... 6 V
Heater Current ................. 2.85 A
Possible Substitutes ............... 4CN15A, 4CX125C,
4CX300Y, 8167