The Svetlana 4CX800A us a high-perfomance ceramic metal tetrode with a plate adssipation rating of 800 watts with forced air cooling. The perfomance characteristics of the 4CX800A allow its wo use as a hifg gain grid-driven RF amplifter or in grounded grid service. Full equivalent to the modern 4CX800A tube.
Tube is New, Old Stock. Each tube comes in factory box. Never used! Made in USSR.