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<blockquote data-quote="audioholic" data-source="post: 1101860" data-attributes="member: 549629"><p>I understand where you are coming from, but imo you are trying to define &#039;louder&#039; too rigidly. One may peak louder on a meter (IF the install is designed too.. daily SX installs lack something imo), but the other will play louder -on average- across the frequency spectrum a subwoofer is expected to play. Some poeple call it &#039;louder to the ear&#039; or &#039;appears louder&#039;... whatever. Point is SPL is a measurement of pressure (as you know //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif), and more displacement = more pressure build up (simple physics). Sure, stack the deck by putting them in a situation where the XXX&#039;s displacement advantage is the least (vented system playing very near tuning) and the SX&#039;s efficiency advantage is at its biggest, and it will appear the XXX doesn&#039;t justify its cost increase. But put them in just about any other situation (sealed for SPL or music, vented for music, etc) and the XXX will simply outperform the SX is virtually every category (except above 80hz //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif).</p></blockquote><p></p>

[QUOTE="audioholic, post: 1101860, member: 549629"] I understand where you are coming from, but imo you are trying to define 'louder' too rigidly. One may peak louder on a meter (IF the install is designed too.. daily SX installs lack something imo), but the other will play louder -on average- across the frequency spectrum a subwoofer is expected to play. Some poeple call it 'louder to the ear' or 'appears louder'... whatever. Point is SPL is a measurement of pressure (as you know [IMG]//content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif[/IMG]), and more displacement = more pressure build up (simple physics). Sure, stack the deck by putting them in a situation where the XXX's displacement advantage is the least (vented system playing very near tuning) and the SX's efficiency advantage is at its biggest, and it will appear the XXX doesn't justify its cost increase. But put them in just about any other situation (sealed for SPL or music, vented for music, etc) and the XXX will simply outperform the SX is virtually every category (except above 80hz [IMG]//content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif[/IMG]). [/QUOTE]

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