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<blockquote data-quote="n2audio" data-source="post: 4792504" data-attributes="member: 540940">Hi - I was never much of an enclosure geek, but now that I&#039;ve been messing with some numbers (ported) it seems that what winISD spits out as the &quot;ideal&quot; enclosure is never what the mfg recommends, or even close to it in most cases. And when you use the mfg&#039;s volume/port dims the response curve is sometimes completely out of whack.Why are they so different? Which is generally the better way to go?Of what value is an enclosure that yeilds a flat response curve if the mfg&#039;s recommendation (which I assume has been tested to some degree) looks very irregular but supposedly gives the best overall performance?For example, here are some enclosures for my particular sub...<img src="http://img.photobucket.com/albums/v637/Liquid_force/HRWDC12boxcomparisons.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" />The colors washed out, but the green line is the box I built, the blue (right) line is what the mfg suggests, and the yellow line (middle) is just something in between I added for comparison.</blockquote>

[QUOTE="n2audio, post: 4792504, member: 540940"] Hi - I was never much of an enclosure geek, but now that I've been messing with some numbers (ported) it seems that what winISD spits out as the "ideal" enclosure is never what the mfg recommends, or even close to it in most cases. And when you use the mfg's volume/port dims the response curve is sometimes completely out of whack. Why are they so different? Which is generally the better way to go? Of what value is an enclosure that yeilds a flat response curve if the mfg's recommendation (which I assume has been tested to some degree) looks very irregular but supposedly gives the best overall performance? For example, here are some enclosures for my particular sub... [IMG]http://img.photobucket.com/albums/v637/Liquid_force/HRWDC12boxcomparisons.jpg[/IMG] The colors washed out, but the green line is the box I built, the blue (right) line is what the mfg suggests, and the yellow line (middle) is just something in between I added for comparison. [/QUOTE]

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