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Message: <blockquote data-quote="adio25" data-source="post: 6775083" data-attributes="member: 605153">Heres my box design for my single AQ HDC3 15" running 1300w off of a hifonics 2010d.<img src="http://img.photobucket.com/albums/v129/nikeslugger425/HDC3box15.jpg?t=1269809922" alt="" class="fr-fic fr-dii fr-draggable " style="" />After displacement I'm tuned to about 38hz with 4.5 cubes. My 45-60hz range is very peaky, anything lower than that rolls of very quickly. Would box rise have something to do with this? I mean when there's a higher note my voltage drops .6v but with a lower note my voltage will drop .2v.  LPF is at 30hz. I used to have a 12" hdc3 in a 2 cube box tuned to 37hz and it didn't hit the highs like this box does. Any ideas guys?</blockquote>

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