darrenk Posted March 9, 2009 Report Share Posted March 9, 2009 (edited) anyone wanna tell me what a 8 cu ft box with 121.5 sq in of port 24.25" long would be tuned to. Plan on using 2 -RE SX 15's instead of my P3's now that I blew one of them. Edited March 9, 2009 by darrenk Quote 2003 Dodge Ram QC 4.7, 3/5 Drop, 22's, Kenwood Excelon x792, 6x9,and 6.5, Rockford 25 to Life Power 1000, RE MX 15, Stinger 1/0 and Big 3 all soldered, Interstate Megatron +, 160A Factory Alternator, MLA Module Build Pics Link to comment Share on other sites More sharing options...
Pioneer~Saturn Posted March 9, 2009 Report Share Posted March 9, 2009 35.02787 Hz Quote Team Tupperware <First dual-alternator 'real' Saturn (pre-2002) on the planet>(3) 15" Fi SP4's fed by (2) M3a's strapped @ .66712.75 cubes net @ 25Hz with 200 sq inches of port area (lowz...?)Stock alt position (custom bracket) 225 amp Mechman Roof = steel and fiberglass (u mad?)(2) XS Power D3100's, (2) rhino batts, No battery upfront (for now, smh)4 power+ 4 ground runs of 1/0-gauge to rear"If its been done before...you're doing it wrong" : ) "stfu about scores and float $hit..." Link to comment Share on other sites More sharing options...
darrenk Posted March 9, 2009 Author Report Share Posted March 9, 2009 (edited) Perfect, I took a guess on the length. Thanks Edited March 9, 2009 by darrenk Quote 2003 Dodge Ram QC 4.7, 3/5 Drop, 22's, Kenwood Excelon x792, 6x9,and 6.5, Rockford 25 to Life Power 1000, RE MX 15, Stinger 1/0 and Big 3 all soldered, Interstate Megatron +, 160A Factory Alternator, MLA Module Build Pics Link to comment Share on other sites More sharing options...
Pioneer~Saturn Posted March 9, 2009 Report Share Posted March 9, 2009 Yea, it shouldnt change much at all unless youre over 2" off, but even then it wouldnt be a crisis i dont think Quote Team Tupperware <First dual-alternator 'real' Saturn (pre-2002) on the planet>(3) 15" Fi SP4's fed by (2) M3a's strapped @ .66712.75 cubes net @ 25Hz with 200 sq inches of port area (lowz...?)Stock alt position (custom bracket) 225 amp Mechman Roof = steel and fiberglass (u mad?)(2) XS Power D3100's, (2) rhino batts, No battery upfront (for now, smh)4 power+ 4 ground runs of 1/0-gauge to rear"If its been done before...you're doing it wrong" : ) "stfu about scores and float $hit..." Link to comment Share on other sites More sharing options...
darrenk Posted March 9, 2009 Author Report Share Posted March 9, 2009 how much longer to be tuned to 30hz? Quote 2003 Dodge Ram QC 4.7, 3/5 Drop, 22's, Kenwood Excelon x792, 6x9,and 6.5, Rockford 25 to Life Power 1000, RE MX 15, Stinger 1/0 and Big 3 all soldered, Interstate Megatron +, 160A Factory Alternator, MLA Module Build Pics Link to comment Share on other sites More sharing options...
Pioneer~Saturn Posted March 9, 2009 Report Share Posted March 9, 2009 (edited) I would say a good amount...not just a couple inches, like over a foot or so Edited March 9, 2009 by Pioneer~Saturn Quote Team Tupperware <First dual-alternator 'real' Saturn (pre-2002) on the planet>(3) 15" Fi SP4's fed by (2) M3a's strapped @ .66712.75 cubes net @ 25Hz with 200 sq inches of port area (lowz...?)Stock alt position (custom bracket) 225 amp Mechman Roof = steel and fiberglass (u mad?)(2) XS Power D3100's, (2) rhino batts, No battery upfront (for now, smh)4 power+ 4 ground runs of 1/0-gauge to rear"If its been done before...you're doing it wrong" : ) "stfu about scores and float $hit..." Link to comment Share on other sites More sharing options...
Pioneer~Saturn Posted March 9, 2009 Report Share Posted March 9, 2009 ^And that's assuming youre making it longer inside of the enclosure, which would take up airspace as well...if you make it longer outside of the enclosure it wouldnt have to be so long because it wouldnt be taking up airspace the longer it gets Quote Team Tupperware <First dual-alternator 'real' Saturn (pre-2002) on the planet>(3) 15" Fi SP4's fed by (2) M3a's strapped @ .66712.75 cubes net @ 25Hz with 200 sq inches of port area (lowz...?)Stock alt position (custom bracket) 225 amp Mechman Roof = steel and fiberglass (u mad?)(2) XS Power D3100's, (2) rhino batts, No battery upfront (for now, smh)4 power+ 4 ground runs of 1/0-gauge to rear"If its been done before...you're doing it wrong" : ) "stfu about scores and float $hit..." Link to comment Share on other sites More sharing options...
darrenk Posted March 9, 2009 Author Report Share Posted March 9, 2009 I can make adjustments as I haven't built it yet so I can make it a deeper box, just wondering how much longer. Quote 2003 Dodge Ram QC 4.7, 3/5 Drop, 22's, Kenwood Excelon x792, 6x9,and 6.5, Rockford 25 to Life Power 1000, RE MX 15, Stinger 1/0 and Big 3 all soldered, Interstate Megatron +, 160A Factory Alternator, MLA Module Build Pics Link to comment Share on other sites More sharing options...
Pioneer~Saturn Posted March 9, 2009 Report Share Posted March 9, 2009 Well if you'd like I'll be at my home computer later and can tell you how long the port will have to be and model it up on Sketch-up for you Quote Team Tupperware <First dual-alternator 'real' Saturn (pre-2002) on the planet>(3) 15" Fi SP4's fed by (2) M3a's strapped @ .66712.75 cubes net @ 25Hz with 200 sq inches of port area (lowz...?)Stock alt position (custom bracket) 225 amp Mechman Roof = steel and fiberglass (u mad?)(2) XS Power D3100's, (2) rhino batts, No battery upfront (for now, smh)4 power+ 4 ground runs of 1/0-gauge to rear"If its been done before...you're doing it wrong" : ) "stfu about scores and float $hit..." Link to comment Share on other sites More sharing options...
Pioneer~Saturn Posted March 9, 2009 Report Share Posted March 9, 2009 (edited) And I just ran some math and a 37" long port that size, while keeping it 8cubes net will get you 29.789Hz tuning... So if you have the space to maintain 8 cubes net, and can get a 36-37 inch long port than that would get you a 30Hz tuning about Edited March 9, 2009 by Pioneer~Saturn Quote Team Tupperware <First dual-alternator 'real' Saturn (pre-2002) on the planet>(3) 15" Fi SP4's fed by (2) M3a's strapped @ .66712.75 cubes net @ 25Hz with 200 sq inches of port area (lowz...?)Stock alt position (custom bracket) 225 amp Mechman Roof = steel and fiberglass (u mad?)(2) XS Power D3100's, (2) rhino batts, No battery upfront (for now, smh)4 power+ 4 ground runs of 1/0-gauge to rear"If its been done before...you're doing it wrong" : ) "stfu about scores and float $hit..." Link to comment Share on other sites More sharing options...
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