i am looking for one or two good midbass drivers. preferably 4" or 5", 8 ohms, 50+rms, with decent freq. ext. from 65 hz to 3500 hz. it will be paired with a dayton pt2b-8 planar tweeter in no more than .5 cubit feet. this will be used for a monitor in the sound booth at my church. any ideas? no more than $100 total.