The Dominator 50 Head replaced the Monitor Reverb Head in 1975 as WEM's mid-size 50watt 2 x EL34 valve amplifier head It was twin single channel/single input amplifier with controls for volume, Treble, and Bass on the first channel, and Volume, Treble, Bass, Middle, and Treble Boost controls on the second channel.
Cabinets recommended by WEM as suitable for use with this amplifier were the super Dual 12 cabinet or the Agressor Cabinet.