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Message: <blockquote data-quote="trumpet" data-source="post: 8519940" data-attributes="member: 628688"><p>Your graphs don't resemble the JBL graphs because they aren't derived the same way. JBL actually measures the subwoofer outside and inside cars. The in-car predicted response is an average of many vehicles. You're also planning to use more power than what it's rated to handle, and although that in itself is not a big deal, you may want to increase the port area a bit and consider an amplifier with a subsonic filter if yours lacks that feature.</p></blockquote><p></p>

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