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<blockquote data-quote="surreal" data-source="post: 6757371" data-attributes="member: 619249">Ive got my DD 3515 in a ~4cu box, tuned to about 34hz. It gets decently low and pretty loud but I dont get the high end response I would like. Some of the notes in Red Nose (Tech N9ne) and such I used to really enjoy just arent there.So, I plan on taking somewhat of a SQ approach. Ill cut the 3500 at about 80hz, and throw in a sealed sub for 70-120hz or so. My problem is, Ive absolutely no trunk space left with my extra battery in there already.I have a few options:1) Build a small box for an 8&quot; to sit ON my read deck under my windshield. Angle it up in a triangle so the sub sits at a slant and hopefully I can still see out my rear windshield. This is hard because theres little working space and id probably need a shallow mount sub (bad!)2) Cut a hole in the metal shell/chassis of my trunk roof to mount the sub INTO my trunk. This would be the cleanest solution, and I could easily mount a 10&quot; sub for the output Id prefer. I just sit weary of cutting up my car.3) Seal off a corner of my current box or attempt to add a small corner to it where the high-end driver would sit. I currently have a 24.5x38x9.5&quot; (internal) box with ~62&quot; port area and I think it was 18&quot; long port. So that should be about 3.8cubes box if I remember right.. I dont have much to take from unless I can add to a corner where the very front of my trunk dips out on the sides.What do you all think? Im open to any questions, comments, criticisms, and so on. Its very likely ill have either a DD 1008 or DD 510 for this setup in a relatively small sealed box.Phew, thanks guys.</blockquote>

[QUOTE="surreal, post: 6757371, member: 619249"] Ive got my DD 3515 in a ~4cu box, tuned to about 34hz. It gets decently low and pretty loud but I dont get the high end response I would like. Some of the notes in Red Nose (Tech N9ne) and such I used to really enjoy just arent there. So, I plan on taking somewhat of a SQ approach. Ill cut the 3500 at about 80hz, and throw in a sealed sub for 70-120hz or so. My problem is, Ive absolutely no trunk space left with my extra battery in there already. I have a few options: 1) Build a small box for an 8" to sit ON my read deck under my windshield. Angle it up in a triangle so the sub sits at a slant and hopefully I can still see out my rear windshield. This is hard because theres little working space and id probably need a shallow mount sub (bad!) 2) Cut a hole in the metal shell/chassis of my trunk roof to mount the sub INTO my trunk. This would be the cleanest solution, and I could easily mount a 10" sub for the output Id prefer. I just sit weary of cutting up my car. 3) Seal off a corner of my current box or attempt to add a small corner to it where the high-end driver would sit. I currently have a 24.5x38x9.5" (internal) box with ~62" port area and I think it was 18" long port. So that should be about 3.8cubes box if I remember right.. I dont have much to take from unless I can add to a corner where the very front of my trunk dips out on the sides. What do you all think? Im open to any questions, comments, criticisms, and so on. Its very likely ill have either a DD 1008 or DD 510 for this setup in a relatively small sealed box. Phew, thanks guys. [/QUOTE]

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