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winisd help 4 15s
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<blockquote data-quote="Electrodynamic" data-source="post: 8143045" data-attributes="member: 548723"><p>Building a fourth order is tough and takes a LOT of tuning. You won't be able to build one design, play it, and everything be perfect. They are very very touchy alignments but when they are dialed in correctly they are very impressive. Larger port area raises tuning, smaller decreases, etc, but you have to balance everything. If you're shoving 4,000 watts to each driver and getting them to move full stroke on burps at 50 Hz you will need a lot of port surface area. If you are not doing that, you don't NEED a gigantic port area. As long as you are in for building and testing, building and testing, modifying and testing, modifying and testing, then a 4'th order is probably a good type of enclosure for you. If you are not ready to do the latter I do not recommend going forward with a 4'th order.</p></blockquote><p></p>
[QUOTE="Electrodynamic, post: 8143045, member: 548723"] Building a fourth order is tough and takes a LOT of tuning. You won't be able to build one design, play it, and everything be perfect. They are very very touchy alignments but when they are dialed in correctly they are very impressive. Larger port area raises tuning, smaller decreases, etc, but you have to balance everything. If you're shoving 4,000 watts to each driver and getting them to move full stroke on burps at 50 Hz you will need a lot of port surface area. If you are not doing that, you don't NEED a gigantic port area. As long as you are in for building and testing, building and testing, modifying and testing, modifying and testing, then a 4'th order is probably a good type of enclosure for you. If you are not ready to do the latter I do not recommend going forward with a 4'th order. [/QUOTE]
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