fi audio Posted February 7, 2013 Report Share Posted February 7, 2013 I got a new ride, a subara impreza wrx wagon.. I want to make a clean build. I need advice before i get started on a box like deciding direction of the sub and if i should go sealed or ported. im thinking about trying my first fiberglass box but may just vinyl it. sub is going to be a skar vvr 8". ill post a picture of the space i got. Setup: Headunit: 7" indash screen Sub: fi bl 12 Amp: Audioque 1200D Box Ported tuned to 34hz Big 3 done in 1/0 gauge Link to comment Share on other sites More sharing options...
ds1919 Posted July 22, 2014 Report Share Posted July 22, 2014 I just finished installing a system in my outback, which looks very similar to your trunk space. I used a Zapco AG360 4-channel amp for the components (Focal in front and Zapco i-Force in back) at 50wrms per channel @4ohms, and a Zapco 500.1 amp 500wrms @ 2ohms to a single VVX 8" sub. Sub is a D4. I mounted the AG360 on the back of the larger seat along with the power distribution block, and the 500.1 amp on the smaller seat back. Sub sits right behind the 500.1. Its minimal, accurate, and the bass sounds really really good considering the small cone area. My one concern/gripe is that the bass does not go very loud, period. Even with 500 watts going to it, it can not keep up with components at all four corners, even while the power output of the AG360 is 200wrms. I may need to go to two subs. I can send pics if you want... Link to comment Share on other sites More sharing options...
philrab Posted July 22, 2014 Report Share Posted July 22, 2014 The above kinda matches my experience with an 8" stealthbox build as well, though admittedly a lot of it is the Image Dynamics ID8 being more of an SQ sub and only rated for 150 rms. It sounds great, does NOT get loud at all. Adding more power just makes it sound muddy as all Hell, and the freq roll off of the 8 in the size sealed enclosure I have (was VERY space limited) is pretty steep so it doesn't get extremely low. I'm in the process now of building my first ported enclosure for a 12. I can hook up the stealthbox (it'll stay installed, it's out of the way) when I need my whole hatch, drop in the big box when I want to bang. Current setup: Planning a 1.98 cubic foot box tuned to 32 hz for an Obsidian Audio 12. Hopefully get that underway in a week or so. If you don't want/need much bass a single 8" or twin 8's may work for you. If I had to make my sub choice again, I think the Sundown SD2 8 would have been a better choice, but you live and learn. If you want to bang, you're going to have to decide how much space you're willing to give up. 2015 Toyota Tacoma Build Thread 2007 Mazda 3; 5000K HID's, Kenwood Excelon KDC-X997, Infinity Reference 6.5 comps in front and coaxials in the rear doors, JL 320.4 four channel, Rab Designs built ported enclosure with an SA12, Kenwood monoblock, Redline Leater shift boot/e-brake boot/center console cover, JBR short shifter/shifter bushings/rear motor mount. Build Thread 1996 Mazda Miata: Kenwood Excelon HU, Alpine speaker in the doors, Clearwater (miata specific) headrest speakers. 1994 Mazda Protege: Kenwood Excelon HU, Infinity Reference 2 ways all around, 2x RF Punch 10's in ported boxes. Link to comment Share on other sites More sharing options...
Joe X Posted July 22, 2014 Report Share Posted July 22, 2014 A single 8" on a wagon is not going to do much, not even ported. Link to comment Share on other sites More sharing options...
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