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Why subs use CCA wire on voice coils?
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<blockquote data-quote="winkychevelle" data-source="post: 8868581" data-attributes="member: 611804"><p>It mostly comes down to weight. You can have a super lightweight cone, soft suspension and aluminum coil on a sub and you pretty much get a pro audio driver. it would be extremely efficient typically very snappy and play higher but playing low would be and issue</p><p></p><p>take that same driver and add slightly more weight with a heavy cone or a heavier copper coil and you get the typical car audio driver.</p><p></p><p>add a heavy cone, heavy coil and a soft suspension and you are starting to look at drivers that are bottom end heavy at the expense of top end extension</p><p></p><p>Then you have drivers with heavy cones for strength and stiff suspensions because you want mechanical power handling and don't really care about super low end and you often can raise or lower the drivers fs just by swapping from copper to aluminum and vice versa.</p><p></p><p>copper vs aluminum, pressed paper vs carbon fiber/kevlar it's kinda the same comparison.</p><p></p><p>just another way to adjust a drivers mms without messing with CMS.</p><p></p><p>now copper is more conductive and will have slightly higher motor force but id argue for higher layer count if you want more motor force considering you'll have more coil inside the magnetic gap at any time , same reason a larger diameter coil has more motor force. and typically the higher the layer count the tighter the coil fits in the gap which increase motor force. </p><p></p><p></p><p>overall copper vs aluminum doesn't really matter if the driver is designed for the use you have in mind.</p></blockquote><p></p>
[QUOTE="winkychevelle, post: 8868581, member: 611804"] It mostly comes down to weight. You can have a super lightweight cone, soft suspension and aluminum coil on a sub and you pretty much get a pro audio driver. it would be extremely efficient typically very snappy and play higher but playing low would be and issue take that same driver and add slightly more weight with a heavy cone or a heavier copper coil and you get the typical car audio driver. add a heavy cone, heavy coil and a soft suspension and you are starting to look at drivers that are bottom end heavy at the expense of top end extension Then you have drivers with heavy cones for strength and stiff suspensions because you want mechanical power handling and don't really care about super low end and you often can raise or lower the drivers fs just by swapping from copper to aluminum and vice versa. copper vs aluminum, pressed paper vs carbon fiber/kevlar it's kinda the same comparison. just another way to adjust a drivers mms without messing with CMS. now copper is more conductive and will have slightly higher motor force but id argue for higher layer count if you want more motor force considering you'll have more coil inside the magnetic gap at any time , same reason a larger diameter coil has more motor force. and typically the higher the layer count the tighter the coil fits in the gap which increase motor force. overall copper vs aluminum doesn't really matter if the driver is designed for the use you have in mind. [/QUOTE]
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Why subs use CCA wire on voice coils?
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