My wall is Lil bit on small side it's about 12.4 cubes after displacement of subs and after I subtract for my port I got about 2.5 to 2.7 cubes per sub will this be ok space was a very big issue and my port is 180 square inches tuned to 36.8 hz do you think this port is to small I thought since my box is small I wouldnt run 200 squares of port