JWBryant Posted December 29, 2011 Report Share Posted December 29, 2011 I got a single cab truck, not the same as yours, but with all the windows closed, it dominates the lows, but when I open it all up the lows die off and 40 hz and up is twice as loud. This info might be sonewhat useless since you probably dont want everyone else to hear your music. But me I live in a small town I generally dont care what they say. Quote Basshead-in-Training Link to comment Share on other sites More sharing options...
IH8PunkRok Posted December 29, 2011 Author Report Share Posted December 29, 2011 So it says that you have Hertz ESK 130, that's a 5" components, those usually start to kick in at 80-100Hz I'd say your gap is upper in frequency also, after all you said you tuned high and it didn't fix it looks more a gap in the 50-90 Hz region and not much below. I don't think going bandpass will help you with your problem, do you know for real the exact specs of the box you are using now?? Not my truck so my stuff is irrelevant The box is about 9 cubes 108 square inches of port tuned to 34 Subs up port side Quote -Matt2005 Dodge Magnum RTJVC KD-AVX1 2 PPI S580.2 Obsidian Audio ST1 Horn Tweeters PRV 8MB450s Audio Legion 3500.1D 2 RE MT 18s 360 ah LiFePO4 BatterySHCA 2/0 155.2 @ 29 hzKicker CVR 15's buildDD 3512e buildMini T-Line Build(6) 8s BuildNightshade 15s Wall BuildMagnum AB XFL 12s BuildNewest Magnum Build Link to comment Share on other sites More sharing options...
extremeauto Posted December 29, 2011 Report Share Posted December 29, 2011 not that i can help but i have the same issue in my passport i have had 6 different set ups in there and when i meter i do best around 41hz even tho i tune 30-32hz even walled tuned @31hz i did better at 42hz ...although when i tuned to 27 it did poorly but slammed them lows...lol Quote 1995 Honda passport 3.2 4x4 Frankenstein on a budget ballistics sound deader (roof only so far) kenwood mp3 usb audio control 3 (upgrading) hifonics mx-3 3 sets of massive px5 5.25s 3 sets of massive tweets phonix gold 5.25 componets x2 massive nx4 nano 200x4 mids sony xplod 600x4 watt high's 2 Fi bl fully loaded box walled @31ish hz 13.2 cube box/wall massive DB8000 Excessive amaperge 250 amp alt wir extrnl regulator daul runs of xs power xpflex 0 gauge big 3 raptor 0 gauge power/ground wire full run suriken 45 amp hour x3 shriken bt-120 batts,interstate 1100CA semi batt scytek galaxy 2way alarm still upgradeing! Link to comment Share on other sites More sharing options...
fox_racin4 Posted December 29, 2011 Report Share Posted December 29, 2011 have you tried subs forward port up? 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...
Joe X Posted December 29, 2011 Report Share Posted December 29, 2011 (edited) Ok so what are the rest of the speakers on that silverado (and the amps for all speakers). Edited December 29, 2011 by Joe X Quote Link to comment Share on other sites More sharing options...
IH8PunkRok Posted December 29, 2011 Author Report Share Posted December 29, 2011 We haven't tried subs forward port up with these subs but we did try it with a 15 inch tc9. I can't really compare the two. The speakers are memphis 6.5 inch coax ran off of the head unit Quote -Matt2005 Dodge Magnum RTJVC KD-AVX1 2 PPI S580.2 Obsidian Audio ST1 Horn Tweeters PRV 8MB450s Audio Legion 3500.1D 2 RE MT 18s 360 ah LiFePO4 BatterySHCA 2/0 155.2 @ 29 hzKicker CVR 15's buildDD 3512e buildMini T-Line Build(6) 8s BuildNightshade 15s Wall BuildMagnum AB XFL 12s BuildNewest Magnum Build Link to comment Share on other sites More sharing options...
Joe X Posted December 30, 2011 Report Share Posted December 30, 2011 So the model for your subs on your box specs and on a slightly above average cabin looks like this: Input power is per sub. It does peak but is not declining that fast into the midbass region, Of course this is not measured data but it doesn't show anything particularily unusual. To the very least you need a 50W RMS/channel amp to those coaxes just to try to even out response regardless of the peaking issue, you are delivering to them 14-16W on HU power. Quote Link to comment Share on other sites More sharing options...
IH8PunkRok Posted December 30, 2011 Author Report Share Posted December 30, 2011 do you seriously believe those 6.5s will be able to make a clean transition at 45hz? ive never met a 140 db front stage. maybe i didn't make myself clear but he wants the higher notes to be strongest because 45-50hz hurts people more than 20-30hz does. what we are going to try is subs forward port up. one sub on each side and port in the center. what tuning should i try? Quote -Matt2005 Dodge Magnum RTJVC KD-AVX1 2 PPI S580.2 Obsidian Audio ST1 Horn Tweeters PRV 8MB450s Audio Legion 3500.1D 2 RE MT 18s 360 ah LiFePO4 BatterySHCA 2/0 155.2 @ 29 hzKicker CVR 15's buildDD 3512e buildMini T-Line Build(6) 8s BuildNightshade 15s Wall BuildMagnum AB XFL 12s BuildNewest Magnum Build Link to comment Share on other sites More sharing options...
99fullsizechevy Posted December 30, 2011 Report Share Posted December 30, 2011 My silverado is the same way, I'm running a huge sealed box now and it seems to work the best up high for me, tryed subs up port forward, and subs / port forward and it drops off as it hits around mid 40s as well.. Quote Laying frame soon.. System has to wait Link to comment Share on other sites More sharing options...
Ray Posted December 30, 2011 Report Share Posted December 30, 2011 Reg cab or ext cab? All the detailsplease Quote 2008 California state record holder 157.2 Bassrace2009 California state record holder 157.0 BassraceRollin 50's 158.7db2009 King of Cali Bassrace2009 USACi score 160.5 @ 42hz Link to comment Share on other sites More sharing options...
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