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<blockquote data-quote="DNick454" data-source="post: 5879404" data-attributes="member: 600755">That box is a bit too small for 3 12&quot;s. Only 3.5 cubes, and that&#039;s not even with the subs installed, figure with subs installed around 3.3 cubes. I&#039;d shoot for closer to 1.5-2 cubic feet per sub and a bit higher of a tune. That setup is right around 30Hz flat. It would be a nice flat sounding box, but you wouldn&#039;t get the full potential out of them. Also... you might need to make the port bigger as well, only 56 sq. in of port area, you might run into some problems there.May I suggest making the box taller for a total height of 18&quot;? Then simply make &quot;Port Piece 2&quot; 6 inches long instead of 21.5&quot;&nbsp;&nbsp; That comes in at 4.6 cubic feet at 34.5 Hz. Once the subs are added, should be right on 4.5 cubic feet with 1.5 per sub and 35Hz tune. That should slam real good.Good luck //content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif</blockquote>

[QUOTE="DNick454, post: 5879404, member: 600755"] That box is a bit too small for 3 12"s. Only 3.5 cubes, and that's not even with the subs installed, figure with subs installed around 3.3 cubes. I'd shoot for closer to 1.5-2 cubic feet per sub and a bit higher of a tune. That setup is right around 30Hz flat. It would be a nice flat sounding box, but you wouldn't get the full potential out of them. Also... you might need to make the port bigger as well, only 56 sq. in of port area, you might run into some problems there. May I suggest making the box taller for a total height of 18"? Then simply make "Port Piece 2" 6 inches long instead of 21.5" That comes in at 4.6 cubic feet at 34.5 Hz. Once the subs are added, should be right on 4.5 cubic feet with 1.5 per sub and 35Hz tune. That should slam real good. Good luck [IMG]//content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif[/IMG] [/QUOTE]

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