zayres29 Posted April 28, 2011 Report Share Posted April 28, 2011 when you tune so low like that the "upper" low bass really suffers and music hardly every goes below like 37 or so unless you are riding around listening to 15hz test tones IMO it is pointless to tune below 32-33 and that is even pretty low if i ever build another simple ported box i wont go below 35 Quote Btw that was the first person. Ever banned by me while dropping a deuce. Feel privileged Link to comment Share on other sites More sharing options...
ChevyBoy95 Posted April 28, 2011 Report Share Posted April 28, 2011 Didn't read above but I have a had lvl 4 15s for a while, they like 3.25-4 cubes, tuning no lower than 30hz. 33 or 34 was the butter zone for lows for me. Quote Best Score to Date : 160.5 dB Outlaw (47Hz)[4 XM 15's & 2 Taramps Bass 12k's] BL : http://www.stevemeadedesigns.com/board/topic/147800-chevyboy95s-4-15s-7krms-wall-1533-db-on-half-power/YouTube: http://www.youtube.com/hitemwiththeflex/ Link to comment Share on other sites More sharing options...
LVL4JEEP Posted April 28, 2011 Author Report Share Posted April 28, 2011 (edited) when you tune so low like that the "upper" low bass really suffers and music hardly every goes below like 37 or so unless you are riding around listening to 15hz test tones IMO it is pointless to tune below 32-33 and that is even pretty low if i ever build another simple ported box i wont go below 35 So how about I build on 3.5cuft tuned to 35hz with about 16in of port?? Edited April 28, 2011 by LVL4JEEP Quote 06 Jeep GC 20" Boss 335's dropped 1.0in frt 1.1rear 30frt tint dbl 10rear. 2 tone custom leather. many more goodies. Pioneer 6800UB 2 Deepcycle Exides 2 runs of 0ga, Big 3 // DC Audio LVL4 15 Rockford Fosgate T1000bd 3.25cuft @ 35hz// Alpine MRP240 Boston Acoustik Comps (Changing to CDT'S) (Future - adding another LVL4 15 and a AQ2200. Powerbastard 220A Link to comment Share on other sites More sharing options...
fox_racin4 Posted April 28, 2011 Report Share Posted April 28, 2011 Im tuned to 38 but i peak at 28 box positio really helps with tunning Quote 1998 gmc extd cab 12 crossfire C710s 4 SAZ-4500s 3 Singer 400A altsbuncha mids/highs Team Asshole Link to comment Share on other sites More sharing options...
LVL4JEEP Posted April 28, 2011 Author Report Share Posted April 28, 2011 Im tuned to 38 but i peak at 28 box positio really helps with tunning Well I've always had good luck with sub back/ port back. minus the rattles lol. Would there be an advantage with a sub up port back?? Also, how do you peak out at 28hz when tuning is so diff? Does it have to do with any type of freq with the vehicle? Any when you say peak out you mean loudest correct? Quote 06 Jeep GC 20" Boss 335's dropped 1.0in frt 1.1rear 30frt tint dbl 10rear. 2 tone custom leather. many more goodies. Pioneer 6800UB 2 Deepcycle Exides 2 runs of 0ga, Big 3 // DC Audio LVL4 15 Rockford Fosgate T1000bd 3.25cuft @ 35hz// Alpine MRP240 Boston Acoustik Comps (Changing to CDT'S) (Future - adding another LVL4 15 and a AQ2200. Powerbastard 220A Link to comment Share on other sites More sharing options...
fox_racin4 Posted April 28, 2011 Report Share Posted April 28, 2011 Yes its just the way box is placed the roof is "extending " the port Quote 1998 gmc extd cab 12 crossfire C710s 4 SAZ-4500s 3 Singer 400A altsbuncha mids/highs Team Asshole Link to comment Share on other sites More sharing options...
LVL4JEEP Posted April 28, 2011 Author Report Share Posted April 28, 2011 I'm going to try 3.5cuft @ 35hz. Hopefully this box will be its final home! Quote 06 Jeep GC 20" Boss 335's dropped 1.0in frt 1.1rear 30frt tint dbl 10rear. 2 tone custom leather. many more goodies. Pioneer 6800UB 2 Deepcycle Exides 2 runs of 0ga, Big 3 // DC Audio LVL4 15 Rockford Fosgate T1000bd 3.25cuft @ 35hz// Alpine MRP240 Boston Acoustik Comps (Changing to CDT'S) (Future - adding another LVL4 15 and a AQ2200. Powerbastard 220A Link to comment Share on other sites More sharing options...
fox_racin4 Posted April 28, 2011 Report Share Posted April 28, 2011 Have you tried sub up port back? Quote 1998 gmc extd cab 12 crossfire C710s 4 SAZ-4500s 3 Singer 400A altsbuncha mids/highs Team Asshole Link to comment Share on other sites More sharing options...
ChevyBoy95 Posted April 28, 2011 Report Share Posted April 28, 2011 Could save the big box and put an 18 in it Quote Best Score to Date : 160.5 dB Outlaw (47Hz)[4 XM 15's & 2 Taramps Bass 12k's] BL : http://www.stevemeadedesigns.com/board/topic/147800-chevyboy95s-4-15s-7krms-wall-1533-db-on-half-power/YouTube: http://www.youtube.com/hitemwiththeflex/ Link to comment Share on other sites More sharing options...
LVL4JEEP Posted April 28, 2011 Author Report Share Posted April 28, 2011 (edited) Have you tried sub up port back? Yeah, on a box that was 4cubes at 44hz. (Some guy made it for me on here claiming it was 30hz.). I punchced the #'s in the calc and it came out to be 44hz with about 8in port! Ahh! I didn't know at the time, I'm still learning. Edited April 28, 2011 by LVL4JEEP Quote 06 Jeep GC 20" Boss 335's dropped 1.0in frt 1.1rear 30frt tint dbl 10rear. 2 tone custom leather. many more goodies. Pioneer 6800UB 2 Deepcycle Exides 2 runs of 0ga, Big 3 // DC Audio LVL4 15 Rockford Fosgate T1000bd 3.25cuft @ 35hz// Alpine MRP240 Boston Acoustik Comps (Changing to CDT'S) (Future - adding another LVL4 15 and a AQ2200. Powerbastard 220A Link to comment Share on other sites More sharing options...
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