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Box design help for RE SE12
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<blockquote data-quote="GMMTC" data-source="post: 4285238" data-attributes="member: 589184"><p>Hello, I'm trying to build a box for a single RE SE12" I just purchased.</p><p></p><p>I'm using a Hifonics BXi1606D @ 2 ohms (900-1100 watts rms depending on who you ask)</p><p></p><p>I was looking at the RE Calculator, but I was reading this thread (<a href="http://www.talkaudio.co.uk/vbb/showthread.php?t=245710" target="_blank">http://www.talkaudio.co.uk/vbb/showthread.php?t=245710</a>) and they mentioned their calculator tuning freq is off. I plugged in some of the free box designs found on the sticky here and I found this seemed to be true so I'm going to avoid that calculator.</p><p></p><p>Now I'm reading for the SE12 they recommend 2.0 CuFt+PD (Port Displacement) tuned to 33hz.</p><p></p><p>I took at the free sub box designs and I pretty much decided on one of the following designs:</p><p></p><p><a href="http://img62.imageshack.us/my.php?image=2cubes32hz24sqin21my.png" target="_blank">2 CuFt @ 32hz v1</a></p><p></p><p><a href="http://img34.imageshack.us/my.php?image=2cubes32hz30sqin7cb.png" target="_blank">2 CuFt @ 32hz v2</a></p><p></p><p><a href="http://img23.imageshack.us/my.php?image=215cubes32hz27sqin3ai.png" target="_blank">2.15 CuFt @ 32hz</a></p><p></p><p><a href="http://img23.imageshack.us/my.php?image=235cubes33hz325sqin3id.png" target="_blank">2.35 CuFt @ 33hz</a></p><p></p><p>I did some calculations and it seems they already take into account the 0.15 driver displacement of the SE12, so thats good. I couldn't find a 2.0 @ 33hz so the above 4 are the closest. I found a 2.35 @ 33hz, is it worse to have a larger box than what RE recommends?? I'm not really going for SQ or anything just some hard pounding bass. The box is going into a van so size isn't a huge issue.</p><p></p><p>I do want the option to take it out of the vehicle, so I want to do a CRX style box (I think thats what this is called) where the sub points up and the port points towards the rear of the van. This is so I don't wreck the sub while carrying it around. I found a picture of what I mean. The only problem I have is I don't know if this person did the L shaped port or not. Could the long L shaped port cause a problem mounting the sub like this sound wise? I did choose the 4 above designs based on being able to mount the sub like this size wise.</p><p></p><p><img src="http://i163.photobucket.com/albums/t307/brtnboarder3241/PICT0654.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="GMMTC, post: 4285238, member: 589184"] Hello, I'm trying to build a box for a single RE SE12" I just purchased. I'm using a Hifonics BXi1606D @ 2 ohms (900-1100 watts rms depending on who you ask) I was looking at the RE Calculator, but I was reading this thread ([URL="http://www.talkaudio.co.uk/vbb/showthread.php?t=245710"]http://www.talkaudio.co.uk/vbb/showthread.php?t=245710[/URL]) and they mentioned their calculator tuning freq is off. I plugged in some of the free box designs found on the sticky here and I found this seemed to be true so I'm going to avoid that calculator. Now I'm reading for the SE12 they recommend 2.0 CuFt+PD (Port Displacement) tuned to 33hz. I took at the free sub box designs and I pretty much decided on one of the following designs: [URL="http://img62.imageshack.us/my.php?image=2cubes32hz24sqin21my.png"]2 CuFt @ 32hz v1[/URL] [URL="http://img34.imageshack.us/my.php?image=2cubes32hz30sqin7cb.png"]2 CuFt @ 32hz v2[/URL] [URL="http://img23.imageshack.us/my.php?image=215cubes32hz27sqin3ai.png"]2.15 CuFt @ 32hz[/URL] [URL="http://img23.imageshack.us/my.php?image=235cubes33hz325sqin3id.png"]2.35 CuFt @ 33hz[/URL] I did some calculations and it seems they already take into account the 0.15 driver displacement of the SE12, so thats good. I couldn't find a 2.0 @ 33hz so the above 4 are the closest. I found a 2.35 @ 33hz, is it worse to have a larger box than what RE recommends?? I'm not really going for SQ or anything just some hard pounding bass. The box is going into a van so size isn't a huge issue. I do want the option to take it out of the vehicle, so I want to do a CRX style box (I think thats what this is called) where the sub points up and the port points towards the rear of the van. This is so I don't wreck the sub while carrying it around. I found a picture of what I mean. The only problem I have is I don't know if this person did the L shaped port or not. Could the long L shaped port cause a problem mounting the sub like this sound wise? I did choose the 4 above designs based on being able to mount the sub like this size wise. [IMG]http://i163.photobucket.com/albums/t307/brtnboarder3241/PICT0654.jpg[/IMG] [/QUOTE]
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