I have 2 mtx 9512-44's and I want to build a new home for them and I want to know does this sound right. This would be my first build so im open for suggestions. So far I have 6.1 net 7.46 gross tuned to 35 hz with 101 sq in of port. Gets hairy here 1st wall of port 13.98'', and second wall is 1.37'' does this look right