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<blockquote data-quote="Electrodynamic" data-source="post: 4550536" data-attributes="member: 548723">+1.&nbsp; Remember that new Massive Audio 15&quot; &quot;SQL&quot; (or whatever it was) subwoofer rated at 101 dB?&nbsp; That measurement was taken with all 4 of the 1 Ohm coils in parallel.&nbsp; Do the math.&nbsp; //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gifHigh efficiency subwoofers aren&#039;t necessarily a good idea for car audio...especially if you&#039;re shoving it into a small box (probably small sealed).&nbsp; <a href="http://stereointegrity.com/docs/Efficiency.pdf" target="_blank">Here&#039;s another good read if your&#039;e interested.</a>&nbsp; But if you don&#039;t mind taking up your trunk with a box, then high efficiency subwoofers can produce a lot of output compared to their lower-efficiency counterparts.IMO, I&#039;d use that driver in a home audio application (what it was designed for), where you can have an enclosure that&#039;s of decent size.*read* I&#039;m not saying it won&#039;t sound good - I&#039;m not saying that at all.&nbsp; What I am saying is that it might not go as low or play as loud as you hoped in a car because of the enclosure you may be putting it in (not to mention your cutting power considerably).</blockquote>

[QUOTE="Electrodynamic, post: 4550536, member: 548723"] +1. Remember that new Massive Audio 15" "SQL" (or whatever it was) subwoofer rated at 101 dB? That measurement was taken with all 4 of the 1 Ohm coils in parallel. Do the math. [IMG]//content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif[/IMG] High efficiency subwoofers aren't necessarily a good idea for car audio...especially if you're shoving it into a small box (probably small sealed). [URL="http://stereointegrity.com/docs/Efficiency.pdf"]Here's another good read if your'e interested.[/URL] But if you don't mind taking up your trunk with a box, then high efficiency subwoofers can produce a lot of output compared to their lower-efficiency counterparts. IMO, I'd use that driver in a home audio application (what it was designed for), where you can have an enclosure that's of decent size. *read* I'm not saying it won't sound good - I'm not saying that at all. What I [I]am[/I] saying is that it might not go as low or play as loud as you hoped in a car because of the enclosure you may be putting it in (not to mention your cutting power considerably). [/QUOTE]

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