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<blockquote data-quote="The Camry" data-source="post: 8543034" data-attributes="member: 657974"><p>There is this thread going on right now. A 3in voice coil might not be a bad idea. <a href="http:////forums/subwoofers/630094-best-sub-i-can-get-200-a.html" target="_blank">http://www.caraudio.com/forums/subwoofers/630094-best-sub-i-can-get-200-a.html</a></p><p></p><p>Is there any reason why your going 4 12''s instead of 3 15''s or the like?</p><p></p><p>between those two, id go with the Sa-12s hands down. By design the Sa-12s have better cooling and are well known for their power handling up to about 1k(slightly higher sometimes). Do a google search. There are tonss of threads on google about soundqubed vs sundowns.</p><p></p><p>When it comes to xmax specifically. Thats a concern for a low frequencies. Basically under tuning. X-max comes into play with unloading under tuning or on a ton of power near the 35hz. Shortly, more x-max means louder lows without over-excursion. If you are shooting for just numbers, id build your wall. Do a freq sweep. Check your cabin gain peak and use an aero port to tune to that freq. Itl'll be a one note wonder but itll net you a 3-6db gain in that tuning. Hell, if you wanted, you could have two separate aeroports. One for around 35 hz for musicality and one for whatever cabin gain is, probably like 45hz ish. Im not a fan of square ports. They just seem inefficient as hell to me.</p></blockquote><p></p>
[QUOTE="The Camry, post: 8543034, member: 657974"] There is this thread going on right now. A 3in voice coil might not be a bad idea. [URL="http:////forums/subwoofers/630094-best-sub-i-can-get-200-a.html"]http://www.caraudio.com/forums/subwoofers/630094-best-sub-i-can-get-200-a.html[/URL] Is there any reason why your going 4 12''s instead of 3 15''s or the like? between those two, id go with the Sa-12s hands down. By design the Sa-12s have better cooling and are well known for their power handling up to about 1k(slightly higher sometimes). Do a google search. There are tonss of threads on google about soundqubed vs sundowns. When it comes to xmax specifically. Thats a concern for a low frequencies. Basically under tuning. X-max comes into play with unloading under tuning or on a ton of power near the 35hz. Shortly, more x-max means louder lows without over-excursion. If you are shooting for just numbers, id build your wall. Do a freq sweep. Check your cabin gain peak and use an aero port to tune to that freq. Itl'll be a one note wonder but itll net you a 3-6db gain in that tuning. Hell, if you wanted, you could have two separate aeroports. One for around 35 hz for musicality and one for whatever cabin gain is, probably like 45hz ish. Im not a fan of square ports. They just seem inefficient as hell to me. [/QUOTE]
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