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<blockquote data-quote="MassOccur" data-source="post: 2154148" data-attributes="member: 570646">Ok. I&#039;m trying to figure out box size, port displacement, port area and all this crap and it&#039;s confusing the hell out of me to be honest.I have an extended cab GMC Sierra, Dimensions I&#039;m using are 53&quot; Length, 13.5&quot; Height, 13&quot; Deep with 3&quot;s of MDF all around except for top and bottom so that the box takes up as much as possible in the back. It comes out to 5.38xx cubes and I heard the MX&#039;s like small enclosures. I&#039;m trying to figure out a good number for port area, but don&#039;t know much about the MX&#039;s since I like to plan before I purchase. I planned on using 4 4&quot; Flared Aero ports and tuning it to 38Hz. Subs facing up and ports facing up as well in the middle. I really have no idea what to do because of all the intricate things that need to be accounted for. If someone could design a box for me, It would be GREATLY appreciated. Any help is wonderful. Thanks in advance to anyone kind enough to help a confused guy out.If I left out any info, please post so and I&#039;ll post it.</blockquote>

[QUOTE="MassOccur, post: 2154148, member: 570646"] Ok. I'm trying to figure out box size, port displacement, port area and all this crap and it's confusing the hell out of me to be honest. I have an extended cab GMC Sierra, Dimensions I'm using are 53" Length, 13.5" Height, 13" Deep with 3"s of MDF all around except for top and bottom so that the box takes up as much as possible in the back. It comes out to 5.38xx cubes and I heard the MX's like small enclosures. I'm trying to figure out a good number for port area, but don't know much about the MX's since I like to plan before I purchase. I planned on using 4 4" Flared Aero ports and tuning it to 38Hz. Subs facing up and ports facing up as well in the middle. I really have no idea what to do because of all the intricate things that need to be accounted for. If someone could design a box for me, It would be GREATLY appreciated. Any help is wonderful. Thanks in advance to anyone kind enough to help a confused guy out. If I left out any info, please post so and I'll post it. [/QUOTE]

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