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<blockquote data-quote="KARLEON" data-source="post: 538803" data-attributes="member: 541893">Im still in the process of trying to design a ported box for 2 IA DP 15s. Im sooooo picky its not even funny....I love the low low bass so i want to tune around 28-29hz.......But i want it to get low and loud, so i figured i&#039;d also tune around&nbsp; 34-36hz........But then i found the Resonant Frequency of my trunk and for local comps. i would like to compete in, i want to tune it around 46hz. (My resonant frequency peaked at 49)So basically i will be having 3 different tunings.&nbsp; I will be using 4&nbsp; 4in in diameter vents. One set being 15inches in length, the other 9inches, and the last being 2.5inches. My question is, how hard would it be to switch out my ports....Just take the 15inch port out and stick the 2.5in port in?&nbsp; Would it eventually cause wear and tear of my box? So something more like a port plug would be recommended? Any help would be appreciated</blockquote>

[QUOTE="KARLEON, post: 538803, member: 541893"] Im still in the process of trying to design a ported box for 2 IA DP 15s. Im sooooo picky its not even funny....I love the low low bass so i want to tune around 28-29hz.......But i want it to get low and loud, so i figured i'd also tune around 34-36hz........But then i found the Resonant Frequency of my trunk and for local comps. i would like to compete in, i want to tune it around 46hz. (My resonant frequency peaked at 49) So basically i will be having 3 different tunings. I will be using 4 4in in diameter vents. One set being 15inches in length, the other 9inches, and the last being 2.5inches. My question is, how hard would it be to switch out my ports....Just take the 15inch port out and stick the 2.5in port in? Would it eventually cause wear and tear of my box? So something more like a port plug would be recommended? Any help would be appreciated [/QUOTE]

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