jessdabest77 Posted May 2, 2012 Report Share Posted May 2, 2012 The box is 8.2 cf,after displacement's,131 sq in of port,but when it come's to length of port,i'm stuck.I want it tuned to 38 hz,and some site's say,16.54 in long,while other's say 20 in.Two 15's are going in there,and basically,I just want it to slam super hard on music.Any help? Quote Link to comment Share on other sites More sharing options...
cjvue Posted May 2, 2012 Report Share Posted May 2, 2012 what's the box dimension? Quote My Build Log- T E A M S U N D O W N A U D I O - 2013 DbDrag WF SS1-2 - 5th Place 154.6db 2013 MECA Mod3 CA State Final Champ 153.4db Powered by: Sundown Audio Link to comment Share on other sites More sharing options...
jessdabest77 Posted May 2, 2012 Author Report Share Posted May 2, 2012 49" wide x 23.25" height x 18.25" depth,all 3/4" MDF Quote Link to comment Share on other sites More sharing options...
cjvue Posted May 2, 2012 Report Share Posted May 2, 2012 what's the port dimension and where it's firing? Quote My Build Log- T E A M S U N D O W N A U D I O - 2013 DbDrag WF SS1-2 - 5th Place 154.6db 2013 MECA Mod3 CA State Final Champ 153.4db Powered by: Sundown Audio Link to comment Share on other sites More sharing options...
ALPINE408 Posted May 2, 2012 Report Share Posted May 2, 2012 489561465165465046545648956 inches long Quote Have you ever had your woofers blown? Link to comment Share on other sites More sharing options...
will77530 Posted May 2, 2012 Report Share Posted May 2, 2012 489561465165465046545648956 inches long thats only if he uses a 7.65" aero with a quarter inch turn Quote Link to comment Share on other sites More sharing options...
cjvue Posted May 2, 2012 Report Share Posted May 2, 2012 without subs displacement, the port (21.75" x 6') calls for 21" in length to result in 38hz tuning. With sub displacement, the port will need to be longer and the net volume is be lowered (assuming we want to retain the 38hz). What subs are these and why such a a large volume? Quote My Build Log- T E A M S U N D O W N A U D I O - 2013 DbDrag WF SS1-2 - 5th Place 154.6db 2013 MECA Mod3 CA State Final Champ 153.4db Powered by: Sundown Audio Link to comment Share on other sites More sharing options...
ALPINE408 Posted May 2, 2012 Report Share Posted May 2, 2012 without subs displacement, the port (21.75" x 6') calls for 21" in length to result in 38hz tuning. With sub displacement, the port will need to be longer and the net volume is be lowered (assuming we want to retain the 38hz). What subs are these and why such a a large volume? how are you getting port lengths with out port dims? Quote Have you ever had your woofers blown? Link to comment Share on other sites More sharing options...
cjvue Posted May 2, 2012 Report Share Posted May 2, 2012 without subs displacement, the port (21.75" x 6') calls for 21" in length to result in 38hz tuning. With sub displacement, the port will need to be longer and the net volume is be lowered (assuming we want to retain the 38hz). What subs are these and why such a a large volume? how are you getting port lengths with out port dims? I was under the assumption that port dimention is 21.75" tall and 6" wide.... just an idea. Quote My Build Log- T E A M S U N D O W N A U D I O - 2013 DbDrag WF SS1-2 - 5th Place 154.6db 2013 MECA Mod3 CA State Final Champ 153.4db Powered by: Sundown Audio Link to comment Share on other sites More sharing options...
jessdabest77 Posted May 2, 2012 Author Report Share Posted May 2, 2012 16.75" tall x 7.85" wide,is port Quote Link to comment Share on other sites More sharing options...
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