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<blockquote data-quote="prochobo" data-source="post: 2791764" data-attributes="member: 567127">Just wow. . . . . . . MAKE UP YOUR MIND.&nbsp; I&#039;m only going to say this once.The recommended enclosure is 4.5 cubes @ 40hz.&nbsp; That size and tuning is RIGHT on the dot.&nbsp; It doesn&#039;t need to be smaller or larger, period.40hz tuning gives the best blend of SPL and SQ.&nbsp; Tune lower and you don&#039;t really gain anything.&nbsp; Every note gets quieter and it&#039;s not worth the trade off for low end extension you&#039;ll never hear. <a href="http://www.youtube.com/watch?v=ZH05RELAA38" target="_blank">LOL @ the people who say otherwise.&nbsp; </a>This is a plan for a 4.5 cube after displacement box using external 4&quot; aeroports.&nbsp; There are only 3 holes pictured because that&#039;s what I planned on doing.&nbsp; I put 4 ports on instead now.&nbsp; <a href="http://www.psp-inc.com/" target="_blank">Use this calculator to calculate your tuning</a><img src="http://img.photobucket.com/albums/v503/prochobo/15inchaerobox4-1.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />You have everything you need here.</blockquote>

[QUOTE="prochobo, post: 2791764, member: 567127"] Just wow. . . . . . . MAKE UP YOUR MIND. I'm only going to say this once. The recommended enclosure is 4.5 cubes @ 40hz. That size and tuning is RIGHT on the dot. It doesn't need to be smaller or larger, period. 40hz tuning gives the best blend of SPL and SQ. Tune lower and you don't really gain anything. Every note gets quieter and it's not worth the trade off for low end extension you'll never hear. [URL="http://www.youtube.com/watch?v=ZH05RELAA38"]LOL @ the people who say otherwise. [/URL] This is a plan for a 4.5 cube after displacement box using external 4" aeroports. There are only 3 holes pictured because that's what I planned on doing. I put 4 ports on instead now. [URL="http://www.psp-inc.com/"]Use this calculator to calculate your tuning[/URL] [IMG]http://img.photobucket.com/albums/v503/prochobo/15inchaerobox4-1.jpg[/IMG] You have everything you need here. [/QUOTE]

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