Looking to change my rig around right now. I currently have a 4x10 Ampeg cab(600w@ 4ohms) with my TF 750A(630w@ 4ohms or 305w @8ohms) Head. i would really like to use 2 4ohm cabs(prob a 1x12 and 2x10 set up) can i do that? I've never used 2 cabs before. can both those cabs be around 500w each...