say i make a box @ 32 hz for 1 12" on 500 watts and it peaks @ 36.. then i make another one @ 35 and peaks @ 40 and gets louder.. and i keep tuning my box higher and higher.. eventually i will start to drop db from tuning to high rite. say my best tuning for that box was 43 and peaked @ 47.. does that mean i can make a box for 2 12"s on 3000watts with different size of port and different cu. ft... will my best tuning fq.be @ 43 also or will it change when u start to change things??? sry i know its hard to understand but i tryed