FroznBeavrBALLs Posted November 30, 2011 Report Share Posted November 30, 2011 I just was working on a box design for 2 lvl 3 12s where each was individually ported for different frequencies. Similarly to what Tech Force did in one oh their builds but on a slightly smaller scale. haha Tell me what you think each is 1.75cubes before displacement (.15 for each sub and .1 for 45s) 1 is tuned to 29hz and the other is tuned to 35hz. each with 14sq inches of port per cube. I talked to TechForce about his design before i started this one. To get some advice from someone who has done this. And he suggested less port area the better. Also he suggested to tuned each about 6hz apart. What do yall think..?!?!? Quote 2 DC 12" lvl 4s 1 DC 1.2k XS Power S3400 big 3 Alll KNU wire Pioneer HU cheapo Legacy coaxes (just for now) http://www.stevemead...n-sentra-build/ Link to comment Share on other sites More sharing options...
michigancapri92 Posted November 30, 2011 Report Share Posted November 30, 2011 looks cool would love to har what it sounds like ! Quote Teamcapri.comThe TeamCapri 1992 Mercury Capri XR22012 FORD EDGE SQ BUILDOld build logMy FeedBack1992 Mercury capri XR2 Hyper LED Link to comment Share on other sites More sharing options...
Team808 Posted November 30, 2011 Report Share Posted November 30, 2011 I think its a bad idea, why dont you just do a 4th order bp.I assume you are trying to get the system to play a broader band width.In the box you showed you would have only 1 sub hitting louder on certian freq, and if you did a bp you would have 2 subs on those same freq,so it would be louder. Quote Member of Team 808 Member of Team North East Spl Link to comment Share on other sites More sharing options...
fmedina Posted November 30, 2011 Report Share Posted November 30, 2011 hmm very interesting. curious to see how this will sound.. Quote Link to comment Share on other sites More sharing options...
FroznBeavrBALLs Posted November 30, 2011 Author Report Share Posted November 30, 2011 I think its a bad idea, why dont you just do a 4th order bp.I assume you are trying to get the system to play a broader band width.In the box you showed you would have only 1 sub hitting louder on certian freq, and if you did a bp you would have 2 subs on those same freq,so it would be louder. But arent 4th orders that can hit a broader range of frequencies not as loud? i have a 4th order now tuned to a small range to hit really hard on those... so a 4th order tuned with a wider range will have the subs peaking evenly but not as loud... thats what i thought... correct me someone if im wrong... Quote 2 DC 12" lvl 4s 1 DC 1.2k XS Power S3400 big 3 Alll KNU wire Pioneer HU cheapo Legacy coaxes (just for now) http://www.stevemead...n-sentra-build/ Link to comment Share on other sites More sharing options...
P-rez Posted November 30, 2011 Report Share Posted November 30, 2011 Crazy design...but how well will it work? Quote Its All Good!!! Build on hold... Link to comment Share on other sites More sharing options...
fecupe2001 Posted November 30, 2011 Report Share Posted November 30, 2011 It actually looks cool, wouldn´t you get some cancellation anyways? i mean, 2 "different airflows" i guess, but i´m honestly very curious with this idea now, never thought about it Quote 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...
FroznBeavrBALLs Posted November 30, 2011 Author Report Share Posted November 30, 2011 haha thanks. Yeah i mean im not all that sure it will work or sound good. but im willing to see. if it doesn't i will just go to a regular ported box. I could work on a 4th order design but im not sure if i could fit it in my trunk for 2 12s. Quote 2 DC 12" lvl 4s 1 DC 1.2k XS Power S3400 big 3 Alll KNU wire Pioneer HU cheapo Legacy coaxes (just for now) http://www.stevemead...n-sentra-build/ Link to comment Share on other sites More sharing options...
OrionStang Posted November 30, 2011 Report Share Posted November 30, 2011 Build it, man. I would like to see the results. Quote SMD Super Seller My Feedback Thread Link to comment Share on other sites More sharing options...
FroznBeavrBALLs Posted November 30, 2011 Author Report Share Posted November 30, 2011 Build it, man. I would like to see the results. ANd i just told you today i didnt want your blown lvl 3 12. haha... im planning on using the new lvl 3s when they come out. Quote 2 DC 12" lvl 4s 1 DC 1.2k XS Power S3400 big 3 Alll KNU wire Pioneer HU cheapo Legacy coaxes (just for now) http://www.stevemead...n-sentra-build/ Link to comment Share on other sites More sharing options...
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