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Wall Help!! 2 SQ HDC3 18s


BamaBoy334

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I doubt you are going to get 25-60 response. If you build it right you might get 28-58 I cut mine off at 58 60 and above is more mid bass. You can get down to 25 with aq/sq but what I have found is they play down to 25 but the lose a lot after 28. I have 4 hdc3 18's and hit 150.5 at 28hz but I lose 4db going to 24hz. I peak from 36-44 all above 156.5. What I did was ran 6 cubes a piece with 16-16.5 sq in per cube port tuned to 35hz. They sound great but lows are not the same as other subs with loose suspension, but I think they are much cleaner sounding through the frequencies.

Hope that helps.

one more thing... where would you go for port placement. its a daily so would it be better at the top or down the middle??

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Larry (funky) giving ya good advise, as far as port placement

Top for daily

QMAT is awesome, my review here

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