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<blockquote data-quote="audioholic" data-source="post: 6911224" data-attributes="member: 549629"><p>sundownz is right on the money. Hoffman's Iron Law tells us many times its actually preferable to have a low efficiency subwoofer.</p><p></p><p>Also, efficiency is not a good indicator of how well a sub will do with SPL. IOW, low efficiency does not mean it would make a bad SPL driver. SPL subs these days have massive and exrtemely stiff suspension systems, not exactly the recipe for high efficiency. But many people think SPL subs are super efficient simply because they are only considering the peaky response they tend to have (given their installs).</p></blockquote><p></p>
[QUOTE="audioholic, post: 6911224, member: 549629"] sundownz is right on the money. Hoffman's Iron Law tells us many times its actually preferable to have a low efficiency subwoofer. Also, efficiency is not a good indicator of how well a sub will do with SPL. IOW, low efficiency does not mean it would make a bad SPL driver. SPL subs these days have massive and exrtemely stiff suspension systems, not exactly the recipe for high efficiency. But many people think SPL subs are super efficient simply because they are only considering the peaky response they tend to have (given their installs). [/QUOTE]
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