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<blockquote data-quote="cotjones" data-source="post: 2791178" data-attributes="member: 573988">no actually i believe you are right and normally it does improve upper-base to have a smaller enclosure but it didn&#039;t for me... that was the reason i changed the design... now i am definity not shure about this but i do have a theory why...so keep in mind i am saying i DO NOT know this i am specualating...take one sub... in a small enclosure there is more pressure on the cone makeing the cone have a easy time going at a high frequecy because the pressure makes the sub want to go back to the &quot;0&quot; excursion point faster... at lower frequecy you want it to return slower so less pressure on the cone is needed for better responce... so with one sub the only factor is the pressure inside the box...now add a sub... this adds to the pressure inside yes you double the airspace but it still has more force on each cone... because now pressure is resisting the cones instead of only resisting the enclosure....&nbsp; now with 4 of them that pressure is even greater... does that make sence? if not i&#039;m clueless as to why... but i know the low lows **** for those 10&#039;s i don&#039;t have to be a genius in car audio to know it eitherkinda like the effect of a passive radiator on the airspace</blockquote>

[QUOTE="cotjones, post: 2791178, member: 573988"] no actually i believe you are right and normally it does improve upper-base to have a smaller enclosure but it didn't for me... that was the reason i changed the design... now i am definity not shure about this but i do have a theory why... so keep in mind i am saying i DO NOT know this i am specualating... take one sub... in a small enclosure there is more pressure on the cone makeing the cone have a easy time going at a high frequecy because the pressure makes the sub want to go back to the "0" excursion point faster... at lower frequecy you want it to return slower so less pressure on the cone is needed for better responce... so with one sub the only factor is the pressure inside the box... now add a sub... this adds to the pressure inside yes you double the airspace but it still has more force on each cone... because now pressure is resisting the cones instead of only resisting the enclosure.... now with 4 of them that pressure is even greater... does that make sence? if not i'm clueless as to why... but i know the low lows **** for those 10's i don't have to be a genius in car audio to know it either kinda like the effect of a passive radiator on the airspace [/QUOTE]

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