babyjoker Posted March 29, 2007 Report Share Posted March 29, 2007 my boy has 2 15''s in a cherokee, like 7.5 cbft, tuned to like 32hz or something, cant remember. He asked me if i could put another 15 on this box, theres room to do it, but how will adding another 15 to this box affect it?will it have neg or pos affects? 1999 Eclipse N/T 12'' Fi BTL Gp3000d PM D3100 Link to comment Share on other sites More sharing options...
Slinky Posted March 29, 2007 Report Share Posted March 29, 2007 you cant just add a sub like that because you would also have to change the port area DD M4 Rockford Fosgate P500-4 SoundQubed HDC415 w carbon fiber cap 2 Rockford Fosagate T1675-S XS Power D3400 Under Hood XS Power D5100 in rear Michael Singer 200A Alt Build Log: http://www.stevemeadedesigns.com/board/topic/153901-2012-veloster-update-842013-wall-build-4-15s/ Link to comment Share on other sites More sharing options...
dmanson Posted March 29, 2007 Report Share Posted March 29, 2007 it will definitely take some airspace from the other two sub and probably wouldn't sound as well as just having the two subs. 2-DC 15XLM2 D.7s 1-DC 5K amp (1) XS Power D6500(UNDERHOOD) and (1) XS3000(REAR) 3 runs 1/0ga for power and 2 runs of 1/0ga for negative. (2)-RFT165s components, ...... 4 separate 1 inch tweetersRF T600-2(fronts) Punch 450.4(rear) Audiocontrol 3.1. DC power 260amp alternator w/MLA Module Link to comment Share on other sites More sharing options...
Slinky Posted March 29, 2007 Report Share Posted March 29, 2007 you would be better off with just havin 2 instead of throwin another in that box. you could build a new box. DD M4 Rockford Fosgate P500-4 SoundQubed HDC415 w carbon fiber cap 2 Rockford Fosagate T1675-S XS Power D3400 Under Hood XS Power D5100 in rear Michael Singer 200A Alt Build Log: http://www.stevemeadedesigns.com/board/topic/153901-2012-veloster-update-842013-wall-build-4-15s/ Link to comment Share on other sites More sharing options...
babyjoker Posted March 29, 2007 Author Report Share Posted March 29, 2007 yeah, ill tell him to get a better amp first(has a 3000 watt boss amp)push him towards getting the PA3000db, then if he wants more subs, like u said i can always build another. 1999 Eclipse N/T 12'' Fi BTL Gp3000d PM D3100 Link to comment Share on other sites More sharing options...
Slinky Posted March 29, 2007 Report Share Posted March 29, 2007 that sounds like a good plan. He def needs to get rid of that boss too. that pa will put out a lot more watts than the boss. DD M4 Rockford Fosgate P500-4 SoundQubed HDC415 w carbon fiber cap 2 Rockford Fosagate T1675-S XS Power D3400 Under Hood XS Power D5100 in rear Michael Singer 200A Alt Build Log: http://www.stevemeadedesigns.com/board/topic/153901-2012-veloster-update-842013-wall-build-4-15s/ Link to comment Share on other sites More sharing options...
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