Fmxperson Posted May 25, 2012 Report Share Posted May 25, 2012 i have 2 sundown sa12s in a L-ported box that i made and its tuned to 29hz and about 4.4cubes before sub displacement. it has 45 in all corners. It moves a decent amount of air.. but i think it could move alot more. ive seen people with trunk cars move more air with the same subs. im looking for ideas on a new box, even though i just build this one i still want a better one, and im thinking of using an aero port(s) instead of an L-port design since ive been researching some and that seems to be the way to go. My current setup is Subs up port up but i was thinking of doing Subs up port(s) forward and im also looking to keep the same tuning of 29 hz seeing as it seems to do good in my truck. btw i have an extended cab truck. Would that be the best setup for moving air? Any feedback would be greatly appreciated. haha Quote Team Audio Specialists 1998 GMC Sierra SLT Z71 ext. cab Headunit: Pioneer DEH-P7400HD Mids and Highs: One pair Boston SC65 6.5s One pair Boston SE75 4x6s Two pairs of Precision power T.2 tweeters Two pairs of ebay type tweeters (soon to be replaced) Boston GTA704 four channel amp RCAs: Stinger 4000 series 4 channel RCAs Lows: Two Sundown Audio SA-12s Sundown Audio Saz-2500d 3.9 cubic foot ported box (full 45 corners) fully braced and resined tuned at 33hz, all before displacement XS Power D3400 and Interstate starting battery, both under hood all KnuKonceptz Kolossus 1/0 wire (just 1 run for now) Big 3 done in 1/0 Audio Specialists <-----Best car audio shop in Western Kentucky/North Central Tennessee Link to comment Share on other sites More sharing options...
Fmxperson Posted May 25, 2012 Author Report Share Posted May 25, 2012 im also looking to keep as much of the aero port inside the box as possible. i dont really want a big port coming out of the side of the box a mile long Quote Team Audio Specialists 1998 GMC Sierra SLT Z71 ext. cab Headunit: Pioneer DEH-P7400HD Mids and Highs: One pair Boston SC65 6.5s One pair Boston SE75 4x6s Two pairs of Precision power T.2 tweeters Two pairs of ebay type tweeters (soon to be replaced) Boston GTA704 four channel amp RCAs: Stinger 4000 series 4 channel RCAs Lows: Two Sundown Audio SA-12s Sundown Audio Saz-2500d 3.9 cubic foot ported box (full 45 corners) fully braced and resined tuned at 33hz, all before displacement XS Power D3400 and Interstate starting battery, both under hood all KnuKonceptz Kolossus 1/0 wire (just 1 run for now) Big 3 done in 1/0 Audio Specialists <-----Best car audio shop in Western Kentucky/North Central Tennessee Link to comment Share on other sites More sharing options...
john253a Posted May 26, 2012 Report Share Posted May 26, 2012 what are the box dimensions sub up, port fwd, would be separate chambers, centre port, depending on death of box this may not be possible, you want to be 4net not 4.4gross, 4.4gross will be somewhere around 2.6net so 1.3net each, just shy of min. recommended and i take it you have dual 2ohm running at 2 ohm final load on the hifonics brz2400 giving around 1700rms Quote Link to comment Share on other sites More sharing options...
Ddub847 Posted May 26, 2012 Report Share Posted May 26, 2012 4th order! everyone has those Quote Link to comment Share on other sites More sharing options...
Fmxperson Posted May 26, 2012 Author Report Share Posted May 26, 2012 (edited) as for box dimensions i would have to go measure. and dual 4 wired down to 1ohm. and i was looking to go maybe a little smaller than the box i currently have becuase im overpowering them. but would shared chamber with maybe 2 4" aero ports move the most air i could witht this setup? and about 4th orders, i have no clue, its been forever since ive known anything about them so ive forgeotten haha Edited May 26, 2012 by Fmxperson Quote Team Audio Specialists 1998 GMC Sierra SLT Z71 ext. cab Headunit: Pioneer DEH-P7400HD Mids and Highs: One pair Boston SC65 6.5s One pair Boston SE75 4x6s Two pairs of Precision power T.2 tweeters Two pairs of ebay type tweeters (soon to be replaced) Boston GTA704 four channel amp RCAs: Stinger 4000 series 4 channel RCAs Lows: Two Sundown Audio SA-12s Sundown Audio Saz-2500d 3.9 cubic foot ported box (full 45 corners) fully braced and resined tuned at 33hz, all before displacement XS Power D3400 and Interstate starting battery, both under hood all KnuKonceptz Kolossus 1/0 wire (just 1 run for now) Big 3 done in 1/0 Audio Specialists <-----Best car audio shop in Western Kentucky/North Central Tennessee Link to comment Share on other sites More sharing options...
john253a Posted May 26, 2012 Report Share Posted May 26, 2012 im not to sure what size box you will need for them at 1200rms each, idd say your pretty closs at 1.3each, but why not build a bigger box and add 2 more, with that power Quote Link to comment Share on other sites More sharing options...
Fmxperson Posted May 26, 2012 Author Report Share Posted May 26, 2012 (edited) nvm. link isnt working new box specs, just playing with the numbers Height:15 depth: 18 length: 36 number of aeros: 2 diameter: 4" Length of ports: 15" gives 25.12sq in. of port area IS this a decent plan? Edited May 26, 2012 by Fmxperson Quote Team Audio Specialists 1998 GMC Sierra SLT Z71 ext. cab Headunit: Pioneer DEH-P7400HD Mids and Highs: One pair Boston SC65 6.5s One pair Boston SE75 4x6s Two pairs of Precision power T.2 tweeters Two pairs of ebay type tweeters (soon to be replaced) Boston GTA704 four channel amp RCAs: Stinger 4000 series 4 channel RCAs Lows: Two Sundown Audio SA-12s Sundown Audio Saz-2500d 3.9 cubic foot ported box (full 45 corners) fully braced and resined tuned at 33hz, all before displacement XS Power D3400 and Interstate starting battery, both under hood all KnuKonceptz Kolossus 1/0 wire (just 1 run for now) Big 3 done in 1/0 Audio Specialists <-----Best car audio shop in Western Kentucky/North Central Tennessee Link to comment Share on other sites More sharing options...
john253a Posted May 26, 2012 Report Share Posted May 26, 2012 port is a bit small and box is ok for less power, Quote Link to comment Share on other sites More sharing options...
HunterJohnson Posted May 26, 2012 Report Share Posted May 26, 2012 Take a look at my build bro. 27hz tuneage on skars vvx, soon to be sa-12's. Retarded flex and air exactly like u want, subs up aeros back Quote Scion tC SQ BuildiPad mini, lots of fabrication, daily drivenFord Explorer C Pillar Wall Build Just a cheap car to destroy with bass Link to comment Share on other sites More sharing options...
Fmxperson Posted May 26, 2012 Author Report Share Posted May 26, 2012 (edited) Take a look at my build bro. 27hz tuneage on skars vvx, soon to be sa-12's. Retarded flex and air exactly like u want, subs up aeros back Build looks really good. i might be going with that set up. and why were the port tubes fiberglassed? port is a bit small and box is ok for less power, so smaller box so the subs will handle the full power? Edited May 26, 2012 by Fmxperson Quote Team Audio Specialists 1998 GMC Sierra SLT Z71 ext. cab Headunit: Pioneer DEH-P7400HD Mids and Highs: One pair Boston SC65 6.5s One pair Boston SE75 4x6s Two pairs of Precision power T.2 tweeters Two pairs of ebay type tweeters (soon to be replaced) Boston GTA704 four channel amp RCAs: Stinger 4000 series 4 channel RCAs Lows: Two Sundown Audio SA-12s Sundown Audio Saz-2500d 3.9 cubic foot ported box (full 45 corners) fully braced and resined tuned at 33hz, all before displacement XS Power D3400 and Interstate starting battery, both under hood all KnuKonceptz Kolossus 1/0 wire (just 1 run for now) Big 3 done in 1/0 Audio Specialists <-----Best car audio shop in Western Kentucky/North Central Tennessee Link to comment Share on other sites More sharing options...
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