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Displacement and Xmax
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<blockquote data-quote="akadj" data-source="post: 8247610" data-attributes="member: 554298"><p>This question is asked a lot and is not easy to answer.</p><p></p><p>It depends on what frequency you are going to play?</p><p></p><p>If for SPL only you would be tuned in the mid 50hz up to 80hz and xmax is not an issue. Also you have the least amount of cone movement at you enclosure tuning so again you'd lower the need for high xmax... That is until you start throwing gobs of power like 10kw per driver.. My atomic ELE 15's with 7000 watts per woofer only moves around half its total xmax when played at 60hz.</p><p></p><p>let's say your box is tuned to 60 hz.. And you play 30 hz just for the fun of it.. Your woofer excursion would be 4x more then the same woofer in an enclosure tuned to 30.. By playing half the box tunning you quadruple your excursion at the same power... See where I'm going with this.. Just because a speaker moves air doesn't mean it has a high output or SPL</p><p></p><p>In the world of SPL Its all in the box/vehicle/endless testing!</p></blockquote><p></p>
[QUOTE="akadj, post: 8247610, member: 554298"] This question is asked a lot and is not easy to answer. It depends on what frequency you are going to play? If for SPL only you would be tuned in the mid 50hz up to 80hz and xmax is not an issue. Also you have the least amount of cone movement at you enclosure tuning so again you'd lower the need for high xmax... That is until you start throwing gobs of power like 10kw per driver.. My atomic ELE 15's with 7000 watts per woofer only moves around half its total xmax when played at 60hz. let's say your box is tuned to 60 hz.. And you play 30 hz just for the fun of it.. Your woofer excursion would be 4x more then the same woofer in an enclosure tuned to 30.. By playing half the box tunning you quadruple your excursion at the same power... See where I'm going with this.. Just because a speaker moves air doesn't mean it has a high output or SPL In the world of SPL Its all in the box/vehicle/endless testing! [/QUOTE]
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