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<blockquote data-quote="Badfastbusa" data-source="post: 8143161" data-attributes="member: 568908">I have a fox acoustics ram quad cab box <a href="http://www.foxacoustics.com/ProductDetails.asp?ProductCode=DQC-212-V" target="_blank">DODGE QUAD &amp;amp; CREW CAB 2-12&quot; VENTED</a> for 2 SA-12&#039;s, and I want to cut into the box and add more air space to it, if I cut into it and added .6 more cu/ft on each side of the box, would it change the tuning of the box? If so, what would it change the tuning to if the box is 1.55cu/ft per side tuned at 35hz right now, the displacement of the subs are 0.14 ft^3 each, and I wanted to add enough to each side to reach close to 2cu/ft on each side, or at least 1.75.Basically, right now at 1.55cu/ft per side and subtracting the .14 displacement of the subs, that only leaves me with 1.41cu/ft per side which isn&#039;t enough and it isn&#039;t digging the lows like I want it to. It HAMMERS at around 40-45hz, but I like the lower bass. So I am wanting to add .6cu/ft to each side.I have racked my brain and searched high and low to find this answer and can&#039;t figure it out. Thanks for the help.</blockquote>

[QUOTE="Badfastbusa, post: 8143161, member: 568908"] I have a fox acoustics ram quad cab box [URL="http://www.foxacoustics.com/ProductDetails.asp?ProductCode=DQC-212-V"]DODGE QUAD & CREW CAB 2-12" VENTED[/URL] for 2 SA-12's, and I want to cut into the box and add more air space to it, if I cut into it and added .6 more cu/ft on each side of the box, would it change the tuning of the box? If so, what would it change the tuning to if the box is 1.55cu/ft per side tuned at 35hz right now, the displacement of the subs are 0.14 ft^3 each, and I wanted to add enough to each side to reach close to 2cu/ft on each side, or at least 1.75. Basically, right now at 1.55cu/ft per side and subtracting the .14 displacement of the subs, that only leaves me with 1.41cu/ft per side which isn't enough and it isn't digging the lows like I want it to. It HAMMERS at around 40-45hz, but I like the lower bass. So I am wanting to add .6cu/ft to each side. I have racked my brain and searched high and low to find this answer and can't figure it out. Thanks for the help. [/QUOTE]

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