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What exactly does a higher Xmax on a sub provide?
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<blockquote data-quote="audioholic" data-source="post: 7476081" data-attributes="member: 549629"><p>The new XXX suffers from the issue of having such a high xmax, that the coil is much more likely to fail from heat build up before that 54mm xmax is even close to being reached. That is why it is traditionally considered a large enclosure sub (plus it has a pretty large Vas iirc). But in a sealed application, with the right power and enclosure, the XXX is in a league of its own. No other production sub really even comes close. The next closest production sub that I know is the LMS Ultra, with an xmax in the mid to high 40's. The problem is, most people who go with such a large box simply opt for a vented system, again (from my previous post) where xmax isn't as important as it is with sealed setups, so that amazing xmax spec becomes less important. That is not to say that the new XXX cant be very potent in a vented system, it can, its just going to require an even larger vented box than its sealed counterpart. At some point, the box becomes so large that it tends to make it less of a 'car audio' subwoofer, and more of a 'home audio' sub, because we rarely care how large we need to make the enclosure for a home sub like we do with car audio setups where we are trying to cram this enclosure into a Honda's trunk.</p><p></p><p>Hope that clears up the confusion in this thread.</p></blockquote><p></p>
[QUOTE="audioholic, post: 7476081, member: 549629"] The new XXX suffers from the issue of having such a high xmax, that the coil is much more likely to fail from heat build up before that 54mm xmax is even close to being reached. That is why it is traditionally considered a large enclosure sub (plus it has a pretty large Vas iirc). But in a sealed application, with the right power and enclosure, the XXX is in a league of its own. No other production sub really even comes close. The next closest production sub that I know is the LMS Ultra, with an xmax in the mid to high 40's. The problem is, most people who go with such a large box simply opt for a vented system, again (from my previous post) where xmax isn't as important as it is with sealed setups, so that amazing xmax spec becomes less important. That is not to say that the new XXX cant be very potent in a vented system, it can, its just going to require an even larger vented box than its sealed counterpart. At some point, the box becomes so large that it tends to make it less of a 'car audio' subwoofer, and more of a 'home audio' sub, because we rarely care how large we need to make the enclosure for a home sub like we do with car audio setups where we are trying to cram this enclosure into a Honda's trunk. Hope that clears up the confusion in this thread. [/QUOTE]
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What exactly does a higher Xmax on a sub provide?
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