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Message: <blockquote data-quote="hoss" data-source="post: 606223" data-attributes="member: 549860">BL is the mechanical force created by the woofer, and it can be defined as B x L.  where L represents the length of wire on the coil, and B represents the given flux density, or magnetic capabilities of the wire used.and as Mr. Wiggins pointed out, there can be such a thing as too much Bl.  but typically, more Bl leads to better cone control and excursion capabilities, all of which leave the picture once the coil leaves the gap though...</blockquote>

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