Originally posted by Tele Master
I believe speakers are set up for one ohmage, I'm pretty sure your gonna have to change your speakers.

Speakers have a set impedance, but you can change the total impedance of a cabinet by its wiring...

But, going from four 16ohm speakers to a total load of 8ohm is not possible by just changing the wiring I believe.

http://www.colomar.com/Shavano/spkr_wiring.html