Rick Moore Posted October 24, 2017 Report Share Posted October 24, 2017 I currently have a box at about 6cubes tuned at 34hz subs port up box that was made for 2 sundown sa15s on 2k it sounded good but I blew a sub and covered the hole and am currently running just 1 sub on 1K and it sounds amazing was only hitting 142.3 previously hit a 140.9 on a single. my question for you in theory if I went around 11-12 cubes subs up port back and did 2 sa15s on 2k zapco amp tuned at 28hz do you think it will sound lousy or will it really improve the sound. Other option would be to get a 4th order made I want musical but also to get good numbers. I am currently in a 06 durango with about 47W 16H 36D alloted space. I believe this will give about 6 inches from back door. Link to comment Share on other sites More sharing options...
DLHgn Posted October 25, 2017 Report Share Posted October 25, 2017 I'm no expert but 5.5-6 cubes for a 15" sounds a bit much. It may work out for you but seems to be on the big side. Link to comment Share on other sites More sharing options...
Joe X Posted October 25, 2017 Report Share Posted October 25, 2017 Let's see what some modeling show, the following is two drivers (SA-15) on 6 cubes net @34Hz 2K power vs one driver on 6 cubes .@34Hz 1K power (in yellow): Cone displacement is as follows: What this shows is that you like an extremely peaky response, according to the model you could probably get away with a higher than recommended net volume as long as you keep your subsonic filter set properly, the only thing I wouldn't do is tuning lower if you want to keep loud. Link to comment Share on other sites More sharing options...
Rick Moore Posted October 26, 2017 Author Report Share Posted October 26, 2017 thanks Joe. I have no clue how to do any of that modeling. I see what you said about the peaky response. I may just have to pay someone to make me the correct plan and get what I think I want. I have no clue how to build a box or design it with these programs so easier to pay. I may just go to the 4th order box to get more range but stay musical. I really would like to try and hit a 150 but that is alot to gain since i am only about 141 currently. Link to comment Share on other sites More sharing options...
Joe X Posted October 26, 2017 Report Share Posted October 26, 2017 In that large vehicle and wanting to hit 150 musical is not going to be easy on 2 SA-15s and 2K. Link to comment Share on other sites More sharing options...
Rick Moore Posted October 27, 2017 Author Report Share Posted October 27, 2017 I am planing when I can to go to 4 sa15s on 5k in a wall. That should get there I hope. Link to comment Share on other sites More sharing options...
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