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<blockquote data-quote="snoopdan" data-source="post: 2537177" data-attributes="member: 564991">sorry for not replying promtply, I get pulled in all sorts of directions when I get online //content.invisioncic.com/y282845/emoticons/blush.gif.99bc659ee2012b7d826165e26fb5eebe.gifAs far as your question,&nbsp; there is not a perfect linear transition between the compairson of the 1 sub vs. 2 sub ouput scenerio when you observe the use of isobaric loading.&nbsp;&nbsp; While I think you understand that pretty well, the question you had on the amount of physical wattage that both are consuming is also not linear in the output you&#039;re getting - the clear trade off is improved clarity (also refered to as less coloration) and of course the benefit of a smaller inclosure than the single sub originally required.&nbsp; Isobaric configuration with 4 drivers in my opinion is a total luxery from an SQ standpoint, but not going to get you as loud as 4 drivers in seperate enclosures.&nbsp;&nbsp; You&#039;re paying for that clarity and lack of needing as much space.&nbsp;&nbsp; On your question about the spacing between the woofers,&nbsp; it really shouldnt matter - the airspace between the woofer cones is really not as critical as you might think - just imagine both woofers in conjunction with each other mimicing a piston scenerio, with the supporting outer enclosure required for BOTH of the subs as the unloading mechanism of the subs.&nbsp; Ideally, there should be a constant pressure / atmosphere between the speakers when faced in the &quot;clamshell&quot; arrangement....sure there is SOME compression between the drivers but not enough to matter or effect the desired anti-coloration methodology to begin with.</blockquote>

[QUOTE="snoopdan, post: 2537177, member: 564991"] sorry for not replying promtply, I get pulled in all sorts of directions when I get online [IMG]//content.invisioncic.com/y282845/emoticons/blush.gif.99bc659ee2012b7d826165e26fb5eebe.gif[/IMG] As far as your question, there is not a perfect linear transition between the compairson of the 1 sub vs. 2 sub ouput scenerio when you observe the use of isobaric loading. While I think you understand that pretty well, the question you had on the amount of physical wattage that both are consuming is also not linear in the output you're getting - the clear trade off is improved clarity (also refered to as less coloration) and of course the benefit of a smaller inclosure than the single sub originally required. Isobaric configuration with 4 drivers in my opinion is a total luxery from an SQ standpoint, but not going to get you as loud as 4 drivers in seperate enclosures. You're paying for that clarity and lack of needing as much space. On your question about the spacing between the woofers, it really shouldnt matter - the airspace between the woofer cones is really not as critical as you might think - just imagine both woofers in conjunction with each other mimicing a piston scenerio, with the supporting outer enclosure required for BOTH of the subs as the unloading mechanism of the subs. Ideally, there should be a constant pressure / atmosphere between the speakers when faced in the "clamshell" arrangement....sure there is SOME compression between the drivers but not enough to matter or effect the desired anti-coloration methodology to begin with. [/QUOTE]

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