wat other way is there to hook up the 1000/1 1000w RMS @ 1.5-4ohms to the 13w7 dual 1.5 ohm coils other than in series at 3ohms, wouldnt hooking it up in parallel give me .75ohms can a 1000/1 handle that? or should i leave it at 3 ohms cause it doesnt even make a difference?