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<blockquote data-quote="got-one-eight" data-source="post: 6161678" data-attributes="member: 610731"><p>There are three ppl I know who had the problem.&nbsp; I was one of them.&nbsp; Wilson was another.&nbsp; Wilson had some 1508&#039;s makeing the same noise mine was making.&nbsp; I contacted DD who said my box was to large, tune was to low, and port was to small.&nbsp; I blame the enclosure that was built for a W7.&nbsp; Wilson picked up my 1508 off of me after I heard his making the same noise.&nbsp; We believe maybe his box was to small and he didn&#039;t have enough port area.&nbsp; He built a box per DD spec this weekend and tested my sub in it.&nbsp; No noise.&nbsp; He said in the right box this single 1508 was keeping up with the 3 he had in his truck.&nbsp; I would not be afraid of picking up the DD subs.&nbsp; Just make sure you build the box to their specs and you should be fine.&nbsp; This is the 2nd setup we have seen that is fixed with a different enclosure.&nbsp; Maybe Wilson will pop in later and give his input.</p></blockquote><p></p>

[QUOTE="got-one-eight, post: 6161678, member: 610731"] There are three ppl I know who had the problem. I was one of them. Wilson was another. Wilson had some 1508's makeing the same noise mine was making. I contacted DD who said my box was to large, tune was to low, and port was to small. I blame the enclosure that was built for a W7. Wilson picked up my 1508 off of me after I heard his making the same noise. We believe maybe his box was to small and he didn't have enough port area. He built a box per DD spec this weekend and tested my sub in it. No noise. He said in the right box this single 1508 was keeping up with the 3 he had in his truck. I would not be afraid of picking up the DD subs. Just make sure you build the box to their specs and you should be fine. This is the 2nd setup we have seen that is fixed with a different enclosure. Maybe Wilson will pop in later and give his input. [/QUOTE]

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