Ok here is the situation . I drive a pretty small car ( a 2000 grand am 2 door) I have a Hartke ha7000 wich i have been think of getting a 4 10 or 4 12 and a 1 15 but i dont know how i would fot that in my car namely the 4 10 or 4 12 would there be any disadvantages from going from a 4 10 at 4 ohms or 2 2 10 at 8 ohms? I was looking at peavey cabs ( i am fairly new to this so that was all i really have much of a chance to try. But in a 2 10 combination all they offer is 4 ohm. I have 2 2 12 sunn pa cabs that are petty old would i be better off putting in new drivers in these cabs ? I play a 5 string i am guessing that wouldnt be good due to tuning frequency. would the peavey cabs be ok for tuning frequency? The amp has a hi output and a lowoutput would i wanna runn the 10s in thie high and the 15 in the low or would i wanna run them all in full range? i know i ask to many questions but you never know unless you ask so thanks in advance.