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<blockquote data-quote="woc47" data-source="post: 2702565" data-attributes="member: 555590">Okay, i&#039;m building a ported box for a single 12&quot; dual 2 ohm alpine type r (yeah i know not another type r question). I will be running a hifonics brutus 1500d on it at 1 ohm. The box is going in a 92 honda accord ex and will be ported through the rear deck ( 2 - 4&quot; aero ports). Right now the design is currently at 3 cu ft. Is this too big of a box for this application should i knock it down to 2.5 or should increase the box size and also after desiding on the cu ft. what length does the ports need to be (shooting between 31-34 hz)&nbsp; have about 17&quot; of port length per port to work with heres a quick sketchup design. Thanks ahead of time<a href="http://imageshack.us" target="_blank"><img src="http://img155.imageshack.us/img155/9070/typerng6.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a><a href="http://imageshack.us" target="_blank"><img src="http://img242.imageshack.us/img242/4421/typer2st1.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a><a href="http://imageshack.us" target="_blank"><img src="http://img243.imageshack.us/img243/5923/typer3me1.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></blockquote>

[QUOTE="woc47, post: 2702565, member: 555590"] Okay, i'm building a ported box for a single 12" dual 2 ohm alpine type r (yeah i know not another type r question). I will be running a hifonics brutus 1500d on it at 1 ohm. The box is going in a 92 honda accord ex and will be ported through the rear deck ( 2 - 4" aero ports). Right now the design is currently at 3 cu ft. Is this too big of a box for this application should i knock it down to 2.5 or should increase the box size and also after desiding on the cu ft. what length does the ports need to be (shooting between 31-34 hz) have about 17" of port length per port to work with heres a quick sketchup design. Thanks ahead of time [URL="http://imageshack.us"][IMG]http://img155.imageshack.us/img155/9070/typerng6.jpg[/IMG][/URL] [URL="http://imageshack.us"][IMG]http://img242.imageshack.us/img242/4421/typer2st1.jpg[/IMG][/URL] [URL="http://imageshack.us"][IMG]http://img243.imageshack.us/img243/5923/typer3me1.jpg[/IMG][/URL] [/QUOTE]

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