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<blockquote data-quote="Skooter" data-source="post: 8093666" data-attributes="member: 647506">I&#039;m in the process of designing a box that is SQL oriented for 2 Sundown Audio E8V3&#039;s. I&#039;ve never used anything other than sealed boxes, so I don&#039;t know the, &quot;rules of the port.&quot; I&#039;m very concerned with port noise, as some of my friends have built ports and have that had a horrid noise coming from the port. I know that the area of the port, as well as how smooth and rounded the edges are have an effect on this, but I&#039;m not sure what the rule of thumb for port area is. I took a shot in the dark and thought that maybe a 3&quot; diameter PVC pipe would do the trick, but correct me if I&#039;m wrong.Here&#039;s the design I worked up on my own. The subs will be mounted side by side, with the port between them (unless you guys tell me otherwise).My amp, currently, is a Hifonics BXi 610 that I got on an excellent trade for a cheap Boss amp. It does 600RMS at 1 Ohm, which is what I plan to wire them to. This amp will be replaced when I have the money... but as of now, this is it.I&#039;m a big reggae and rock guy, but occasionally listen to a tad bit of rap and dubstep when I&#039;m in one of those bass moods, which doesn&#039;t happen more than once a week. I spend 2-3 hours in my car a day, so music is very important to me to get me through the day.I did some research, and the cabin of my car (SUV-Buick Rainier) has a resonant frequency of 38hz, if that means anything to you. It doesn&#039;t to me, since I&#039;m no expert whatsoever.Any help and incite is appreciated.Thank you,Skooter[ATTACH]26542191[/ATTACH]</blockquote>

[QUOTE="Skooter, post: 8093666, member: 647506"] I'm in the process of designing a box that is SQL oriented for 2 Sundown Audio E8V3's. I've never used anything other than sealed boxes, so I don't know the, "rules of the port." I'm very concerned with port noise, as some of my friends have built ports and have that had a horrid noise coming from the port. I know that the area of the port, as well as how smooth and rounded the edges are have an effect on this, but I'm not sure what the rule of thumb for port area is. I took a shot in the dark and thought that maybe a 3" diameter PVC pipe would do the trick, but correct me if I'm wrong. Here's the design I worked up on my own. The subs will be mounted side by side, with the port between them (unless you guys tell me otherwise). My amp, currently, is a Hifonics BXi 610 that I got on an excellent trade for a cheap Boss amp. It does 600RMS at 1 Ohm, which is what I plan to wire them to. This amp will be replaced when I have the money... but as of now, this is it. I'm a big reggae and rock guy, but occasionally listen to a tad bit of rap and dubstep when I'm in one of those bass moods, which doesn't happen more than once a week. I spend 2-3 hours in my car a day, so music is very important to me to get me through the day. I did some research, and the cabin of my car (SUV-Buick Rainier) has a resonant frequency of 38hz, if that means anything to you. It doesn't to me, since I'm no expert whatsoever. Any help and incite is appreciated. Thank you, Skooter [ATTACH=CONFIG]26542191[/ATTACH] [/QUOTE]

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