hi i'm looking for advice on what size box to use i've got a massive audio cw12d i listen to hard house and trance but i like my base deep and hard according to massive they say a ported box 1.2 cu feet and sealed 1.5cu feet the sub is cuurently in a 1.2 sealed but lackink spl and it just wont drop that low please help!!!//content.invisioncic.com/y282845/emoticons/crazy.gif.c13912c32de98515d3142759a824dae7.gif