bigmacjack Posted March 27, 2017 Report Share Posted March 27, 2017 So im building my first spl vehicle and im trying to decide what box to build. now i have made a couplke of posts on here before asking the same question and the general answer was test test test. so i put dual 10s in a sealed box and tried a bunch of different locations doing sweeps. the following is what i got: 129 @ 59hz subs pointing back @ the back 130.5 @ 56 Same config same volume 127.8 @ 56 Subs pointing back @ front of vehicle 128 @ 58 Same 128@ 65 Subs poiting forward @ back of vehicle 128 @ 64 same 124.4 @ 57 subs forward midway up 120.6 @ 63 subs forward @ front of vhecle 128.9 @ 65 Subs poitning back as far back as it could go 130.4 @ 58 subs pointing back midway up vehicle so i was hoping to get some suggestions on what type of box i should build. i have 2 12" aa Havocs and its going into a 1992 mazda 323 hatchback. the one box i was thinking about doing was suggested to me through user jeep&bass. it was subs and port all firing forward. so i was thinking of trying that but facing the rear of the vehicle. so if anyone has any other suggestions of something that might work well in here i am all ears! Thanks!!!!! Link to comment Share on other sites More sharing options...
WalledSonic Posted March 29, 2017 Report Share Posted March 29, 2017 Post pics of the car so its easier to understand what the cabin looks like Chevy Sonic Wall (4) 15's on 10k Build Log https://www.stevemeadedesigns.com/board/topic/209412-2015-chevy-sonicwall4-15s10klithiumlarge-case-hairpin-us-alts/ (4) Fi SP4 15's | (2) Ampere 5Ks | Active! | Arc KS600.2 & KS125.2mini | CDT Silk Domes | Silver Flute 8s | 240Ah JY | US Alts Jeep Wrangler JK (4) 8's in a 4th Order Build Log https://www.stevemeadedesigns.com/board/topic/209841-shadow-2016-jeep-wrangler-jk4th-order4-8sdc-35klarge-case-hairpin-us-alts/ IG @walledsonic Link to comment Share on other sites More sharing options...
fecupe2001 Posted March 29, 2017 Report Share Posted March 29, 2017 if i design you the box, would you actually build it? not trying to be a dick but i've designed many boxes straight for spl comps and spent time doing it on this forum and almost no one build them, i've had few good scores in the past btw I´m the SPL Gains topic creator!! wanna get louder?? check this: SPL Gains. Panamenian 2009 & 2010 & 2014 Bass Race 149.9 Champion! 2 15" subs and a 2K wired at 1 ohm, http://www.stevemeadedesigns.com/board/topic/167788-fecupe2001-2-15s-on-a-2k-video-on-page-3/ 8 Massive 15" subs and small power, http://www.stevemeadedesigns.com/board/topic/179296-fecupe2001s-8-15s-4th-order-bandpass-wall/ Link to comment Share on other sites More sharing options...
bigmacjack Posted March 30, 2017 Author Report Share Posted March 30, 2017 10 hours ago, WalledSonic said: Post pics of the car so its easier to understand what the cabin looks like hey my cars at work ill take some pics for you tomorrow but i already have a box design im gonna try Link to comment Share on other sites More sharing options...
bigmacjack Posted March 30, 2017 Author Report Share Posted March 30, 2017 8 hours ago, fecupe2001 said: if i design you the box, would you actually build it? not trying to be a dick but i've designed many boxes straight for spl comps and spent time doing it on this forum and almost no one build them, i've had few good scores in the past btw yes i would definitely build it but i talked to a few other people and i have a design i am going to try. ill upload some pictures and id love to hear any tips or suggestions you might have for me. Link to comment Share on other sites More sharing options...
bigmacjack Posted March 30, 2017 Author Report Share Posted March 30, 2017 Link to comment Share on other sites More sharing options...
bigmacjack Posted March 30, 2017 Author Report Share Posted March 30, 2017 Just now, bigmacjack said: so a couple changes i have made: i have taken off an 1/8" too save on wood i have decided to add 1" dowels between the sub going to above and below the port now doing those things has lost me some volume and i am at 3.33 now. i am a little concerned that this is going to be too low for the subs. I'm using 2 12" AA Havocs that i reconed with a couple of upgrades Link to comment Share on other sites More sharing options...
fecupe2001 Posted March 30, 2017 Report Share Posted March 30, 2017 box is too big tuned to low, specially for that specific cabin, try a 15x15x15" external dimensions box, one sub up and one sub back, 8" aeroport facing to driver´s side about 16" long, should do around 148 dbs on 1k and close to 150 on 2k I´m the SPL Gains topic creator!! wanna get louder?? check this: SPL Gains. Panamenian 2009 & 2010 & 2014 Bass Race 149.9 Champion! 2 15" subs and a 2K wired at 1 ohm, http://www.stevemeadedesigns.com/board/topic/167788-fecupe2001-2-15s-on-a-2k-video-on-page-3/ 8 Massive 15" subs and small power, http://www.stevemeadedesigns.com/board/topic/179296-fecupe2001s-8-15s-4th-order-bandpass-wall/ Link to comment Share on other sites More sharing options...
bigmacjack Posted March 30, 2017 Author Report Share Posted March 30, 2017 23 minutes ago, fecupe2001 said: box is too big tuned to low, specially for that specific cabin, try a 15x15x15" external dimensions box, one sub up and one sub back, 8" aeroport facing to driver´s side about 16" long, should do around 148 dbs on 1k and close to 150 on 2k Ill have to try this on my next box i've already started cutting my wood, i was a little to anxious to start building haha. thanks for the info though! i really appreciate it! Link to comment Share on other sites More sharing options...
fecupe2001 Posted March 30, 2017 Report Share Posted March 30, 2017 no problem bro, tuned in for your scores! I´m the SPL Gains topic creator!! wanna get louder?? check this: SPL Gains. Panamenian 2009 & 2010 & 2014 Bass Race 149.9 Champion! 2 15" subs and a 2K wired at 1 ohm, http://www.stevemeadedesigns.com/board/topic/167788-fecupe2001-2-15s-on-a-2k-video-on-page-3/ 8 Massive 15" subs and small power, http://www.stevemeadedesigns.com/board/topic/179296-fecupe2001s-8-15s-4th-order-bandpass-wall/ Link to comment Share on other sites More sharing options...
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