The UX-CV-11 is a 65 watt triode with a mu of 14 designed for full ratings to 30 MHz. Similar to a Taylor 841-SW. The second example is marked as Amperex with a stepped envelope, but may have been made by United. The third example looks like a United tube, but is marked "Majestic Surgical Instrument No. 11". The same tube with a 50 watt base is called the CV-11.

Length = 6.60" Diameter = 1.87"
Max voltage = 1500
Max current = 150 ma
Fil voltage = 10
Fil current = 2.5 amps         GOTO INDEX