Well i had my 2 type r 12's in a ported box with 500 to them and just wasnt impressed with SQ or SPL really --so i put just one of them in a 1.5 sealed box with 9oo rms to them !!!!!!!!now im impressed sounded like a dif sub.my ? is is the 1.5 sealed to big???? would i get warmer and tighter...