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Message: <blockquote data-quote="T3mpest" data-source="post: 8135805" data-attributes="member: 560148"><p>Try this..  Turn your hu up about 3/4 of the way.  Download  a -6db test tone at like 45hz.  Play it and slowly turn up the gain.  If the sub stops moving further as gain goes up stop the test, or if the sub starts to make mechanical noise.  If the cone just keeps moving then keep on going..  You should be able to see when to back off.  I have a feeling your DD-1 is the problem and you system gain is just too low, I can't imagine not having any dimming with a 70amp alternator.  If I'm wrong then turning up the gain further won't do much for movement and may just make things sound bad, but if you see the cone just keep on moving forward, that's probably the issue.  This kind of thing happens alot when people use machines to set gains...</p></blockquote><p></p>

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