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<blockquote data-quote="drpeeb" data-source="post: 5971766" data-attributes="member: 609183">I kind of disagree ... Before I tried it myself, I didn&#039;t know the exact effect an enclosure would have on a speaker ... I do now though!OP ... Here&#039;s a good example. I installed a set of 6-3/4&quot; Alpine full range speakers in my truck&#039;s doors. Before screwing the speaker into place, when I first plugged the speaker in &amp;amp; turned on the stereo on to make sure it was working, while holding the speaker in my hand, it sounded like complete cr@p, with no bass whatsoever. As soon as I held it up into its final mounting place, so I could screw it down ... WOW: bass! Pull it back away from the door: Cr@p again. Night &amp;amp; day difference. You are not supposed to hear the back of the speaker. You can even hear the bass increase as you put the speaker closer &amp;amp; closer to the hole.And that&#039;s with just a little 6.5&quot; mid-woofer ... Imagine the difference with a sub! In fact, I did also try this with a 10&quot; sub: With the sub sitting on my seat not in any enclosure, you can almost not even hear it; Set it in its box, and BOOM, it&#039;s pounding out the bass. I think it&#039;s that subs need the right amount of restriction behind them, to create the right amount of pressure, in order to direct their waves outward as designed. There may be more the reasoning, but I&#039;m no expert; I just know what I&#039;ve experienced.</blockquote>

[QUOTE="drpeeb, post: 5971766, member: 609183"] I kind of disagree ... Before I tried it myself, I didn't know the [I]exact [/I]effect an enclosure would have on a speaker ... I do now though! OP ... Here's a good example. I installed a set of 6-3/4" Alpine full range speakers in my truck's doors. Before screwing the speaker into place, when I first plugged the speaker in & turned on the stereo on to make sure it was working, while holding the speaker in my hand, it sounded like complete cr@p, with no bass whatsoever. As soon as I held it up into its final mounting place, so I could screw it down ... WOW: bass! Pull it back away from the door: Cr@p again. Night & day difference. You are not supposed to hear the back of the speaker. You can even hear the bass increase as you put the speaker closer & closer to the hole. And that's with just a little 6.5" mid-woofer ... Imagine the difference with a sub! In fact, I did also try this with a 10" sub: With the sub sitting on my seat not in any enclosure, you can almost not even hear it; Set it in its box, and BOOM, it's pounding out the bass. I think it's that subs need the right amount of restriction behind them, to create the right amount of pressure, in order to direct their waves outward as designed. There may be more the reasoning, but I'm no expert; I just know what I've experienced. [/QUOTE]

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