PolishThunder Posted April 7, 2014 Report Share Posted April 7, 2014 So here's whats going on: 2 - Alpine Type R 15's (SWR-1522D) 1 - Alpine MRX-M240 Laser Etched Plexiglass w/LED lighting. Separate Chambers for each sub roughly 4 Cubic Ft. each Sky High Car Audio 8 Gauge Speaker Wire This box was built for a friend, it took us about one month to build but it was only really about 7 days of actually working because we were mostly only able to work on weekends. Had a few problems here and there but all in all it turned out well. It is going into a 2003 Denali Yukon XL. This build was done by me and PortSideAudio. Link to comment Share on other sites More sharing options...
PolishThunder Posted April 7, 2014 Author Report Share Posted April 7, 2014 The WinISD response graph We originally planned on using the 4ohm dvc subs but had to change when we realized that the amp wasn't 1ohm stable. We had already started building at that point so we were not able to make any changes to the box dimensions to account for the different T/S parameters between the subs. The response graph did turn out decent though in either situation. I will post more photos soon, just need to get them all on photobucket. Link to comment Share on other sites More sharing options...
PolishThunder Posted April 7, 2014 Author Report Share Posted April 7, 2014 Gluing together the double baffle and dividing wall. Baffle Dividing Wall Link to comment Share on other sites More sharing options...
PolishThunder Posted April 7, 2014 Author Report Share Posted April 7, 2014 The table saw was not being nice this day so we made a jig for doing 45's instead of tipping the blade, it actually worked out really nice Sorry about the picture quality, using my phone and not really taking my time lol. Link to comment Share on other sites More sharing options...
PolishThunder Posted April 7, 2014 Author Report Share Posted April 7, 2014 Started assembly, we used drywall screws and liquid nails for everything. We put round overs on all the port edges for better air flow. Painting all the visible port pieces. Link to comment Share on other sites More sharing options...
PolishThunder Posted April 7, 2014 Author Report Share Posted April 7, 2014 A little size comparison to a prefab box for 2 12's we had laying around. We use Autodesk Inventor to plan our box builds, it makes building so much easier in the end. Cutting the mounting holes. Link to comment Share on other sites More sharing options...
Kcavran Posted April 7, 2014 Report Share Posted April 7, 2014 NIce box! i have the same exact set up in my tahoe. Link to comment Share on other sites More sharing options...
PortSideAudio Posted April 7, 2014 Report Share Posted April 7, 2014 What did you time yours to? We found that at 25hz these subs hit hard with good quality! 2002 Toyota Corolla Pioneer DEH-80PRS Soundqubed Q1-2200d Soundqubed HDC3.118 Soundqubed Q4-120 Alpine SPR-60 Alpine SPR-60C Link to comment Share on other sites More sharing options...
PolishThunder Posted April 7, 2014 Author Report Share Posted April 7, 2014 Ports cut, we had some trouble with the baffle being 1.5" thick but it worked out in the end. Link to comment Share on other sites More sharing options...
PolishThunder Posted April 8, 2014 Author Report Share Posted April 8, 2014 To do the logo I used the mercury laser at my school. The only problems i had was finding a big enough image that wouldn't get distorted when I sized it up. I tried using vector formats but i couldn't get them to work so i ended up using Gimp (Photoshop but free, actually a really nice program) to fix the imperfections from when it was blown up. I cut it into 1/4in plexiglass (Actually .220 but close enough). Test fitting on the box with the trim panel Link to comment Share on other sites More sharing options...
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