I've always assumed that this is a version of a Marshall 18W, but if you know better than me, I'd like to know. What am I working with here? : r/GuitarAmps
Marshall 18 Watt
My Marshall 1974x 18 Watt - Chris And Rick Talk Guitars
Marshall 1974X Handwired 18W Reissue Valve Combo - Nearly New at Gear4music