If you're thinking about upgrading to an Ampeg, the BA-112 is the perfect place to go.
Delivers 50W of power to a single 12" speaker. It offers simple 3-band tone controls, plus a "style selector" with 5 basic tone options. Other features include master control, a balanced 1/4" TRS line out, headphone jacks, and RCA inputs for connecting a CD or tape player. As a handy stage feature, the cabinet tilts back.