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<blockquote data-quote="dredey" data-source="post: 6118093" data-attributes="member: 605079">I Know theres a lot of information out there but its all so confusing to me. i can barely find information on building a ported box for 2 subs, i can only find for 1 sub.i want the size of the box to be W-41in. L-16in and H- 14.75in.i read to get the internal you subtract 1.5 or 2X3/4 mdf.im using 2 12&quot; type r dvc 4 ohmsmount depth - 7.7inmount displacement - 10.9 indisplacement front .071ft^3manafacture dimentions -vented18&quot;X13.5 inX16.5in (one sub) ( i need for two..do i double the in.?)gross int vol&nbsp; - 1.7ft^3vent are diam. - 125in^2 (12in. X 1.25in)vent length - 22.75 in. ( the length i measure in my car was 16in so should i make my box longer to like 26in?)vent. disp - .305ft^3net int vol - 1.3 ft ^3i want it tuned to 33hzidk how to use this informationthe subs are running of about 600 watts each of an AQ 1200d amp.any help would be appreciated</blockquote>

[QUOTE="dredey, post: 6118093, member: 605079"] I Know theres a lot of information out there but its all so confusing to me. i can barely find information on building a ported box for 2 subs, i can only find for 1 sub. i want the size of the box to be W-41in. L-16in and H- 14.75in. i read to get the internal you subtract 1.5 or 2X3/4 mdf. im using 2 12" type r dvc 4 ohms mount depth - 7.7in mount displacement - 10.9 in displacement front .071ft^3 manafacture dimentions - vented 18"X13.5 inX16.5in (one sub) ( i need for two..do i double the in.?) gross int vol - 1.7ft^3 vent are diam. - 125in^2 (12in. X 1.25in) vent length - 22.75 in. ( the length i measure in my car was 16in so should i make my box longer to like 26in?) vent. disp - .305ft^3 net int vol - 1.3 ft ^3 i want it tuned to 33hz idk how to use this information the subs are running of about 600 watts each of an AQ 1200d amp. any help would be appreciated [/QUOTE]

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