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<blockquote data-quote="CertifiedHoodClassic" data-source="post: 8913468" data-attributes="member: 685714">Thanks! I think the only thing I need to try with the enclosure is what you suggested earlier, with the tuning. I think the volume is good for 2 15&#039;s. The box does what I wanted it to do when I designed it and tuned it to 28 - music super flat and low. Also plays mid/low 20&#039;s easily. But you&#039;re totally right about knocking down the port length and getting loud. I&#039;d gain a lot of efficiency and only sacrifice ~30 hz down. Outside of rebassed music I wouldn&#039;t lose much. I&#039;d also meter much better.I can give demos at 25 hz and it&#039;s solid, makes the doors flap and the seats vibrate and people like it. Especially people who are in the hobby, they notice I&#039;m basically a trunk-only build with 3 rows and they&#039;re impressed I fit the set-up into the trunk. And who doesn&#039;t love low lowsMaybe next thing I should do is cut those ports down to 2 or 3&quot; above the baffle, enough for a pvc coupler to fit on it, so I don&#039;t have to commit to it and can add port back later. Don&#039;t remember exactly how much port length is in the box but opening my old winISD files shows 34 in port length, knocking it down to near the baffle brings it to about 35 hz tuning (20 in length). 3 6&quot; pvc ports, the elbows are about 9&quot; length (I did the math when I built it and came to that figure), plus 10 straight pipe up</blockquote>

[QUOTE="CertifiedHoodClassic, post: 8913468, member: 685714"] Thanks! I think the only thing I need to try with the enclosure is what you suggested earlier, with the tuning. I think the volume is good for 2 15's. The box does what I wanted it to do when I designed it and tuned it to 28 - music super flat and low. Also plays mid/low 20's easily. But you're totally right about knocking down the port length and getting loud. I'd gain a lot of efficiency and only sacrifice ~30 hz down. Outside of rebassed music I wouldn't lose much. I'd also meter much better. I can give demos at 25 hz and it's solid, makes the doors flap and the seats vibrate and people like it. Especially people who are in the hobby, they notice I'm basically a trunk-only build with 3 rows and they're impressed I fit the set-up into the trunk. And who doesn't love low lows Maybe next thing I should do is cut those ports down to 2 or 3" above the baffle, enough for a pvc coupler to fit on it, so I don't have to commit to it and can add port back later. Don't remember exactly how much port length is in the box but opening my old winISD files shows 34 in port length, knocking it down to near the baffle brings it to about 35 hz tuning (20 in length). 3 6" pvc ports, the elbows are about 9" length (I did the math when I built it and came to that figure), plus 10 straight pipe up [/QUOTE]

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