jamkaraoke @ Fri Jun 06, 2008 7:46 am wrote:
Older UB1222FX-
Bridging the amp scares me

Bridging shouldn't scare you. Just pay attention to the right terminal -- even then the speaker will only be out of phase, not the end of the world.
The question is whether the mixer has a mono out. If it does not, then it becomes difficult to get a mono signal. The way, I guess, is to send your music to two mono channels and drive the speakers off of the left output.