the reason i was asking is because i bought a 15" n2 a month ago and wanted to another to match but the price shipped was $60 more then the one i bought a month ago.its just a simple question sorry
i just purshased 2 18" btls.i have 4 cf for each 8 cf gross for both.i want to tune the box to 36hz .can some one tell me how many square inches of port opening and the depth ofthe port that i need.thanks