RareBreed Posted December 9, 2015 Report Share Posted December 9, 2015 Im doing a 4th order c pillar wall in my 99 tahoe, subs will be ran on a DC 5k, This is my daily driver but i also I compete regularly so im having trouble choosing what to use in my build Im wanting something that will give me the best numbers but also be good for demos and hair tricks, not sure how the bandwidth would play out with the Xs if i tuned to the mid-high 40s if it would play well as my daily or not, or how it would do on the meter. Thought the sa may be better spl wise but not sure on air movement/hair tricks, Could also do interchangeable ports on the wall. So witch would give me the best of both worlds air movement and numbers spl wise? I have the 3 x18s currently but have never owned any Sa's. But willing to sell my xs and switch it up, thanks for any input ive been trying to decide for a while now and just cant. Quote Link to comment Share on other sites More sharing options...
Massivespl Posted December 9, 2015 Report Share Posted December 9, 2015 40hz+ for daily.. Wowwzers that's high. Good luck. I would NOT USE X woofers if your going to run that high. Quote c-pillar flat wall 157.11db on music 2 crossfire 8k 4 NSV3 18s 4 crescendo 10s 4 Rockford pro 6.5s Quad excessive amperage 350alts 4 juicebox 3100s Link to comment Share on other sites More sharing options...
RareBreed Posted December 9, 2015 Author Report Share Posted December 9, 2015 Even in a 4th order? Quote Link to comment Share on other sites More sharing options...
Massivespl Posted December 9, 2015 Report Share Posted December 9, 2015 Even in a 4th order? X series are really linear woofers the excel on 20-40hz very well, low distortion. If your looking to play 40-60hz I'd go X with standard cone and surround for that tradional sound you would be looking for... I've actually had 4 Sa 18s in a cpillar wall in my Tahoe on a crossfire 8k and I was tuned to 30hz but it hammered in the 30-40hz range Quote c-pillar flat wall 157.11db on music 2 crossfire 8k 4 NSV3 18s 4 crescendo 10s 4 Rockford pro 6.5s Quad excessive amperage 350alts 4 juicebox 3100s Link to comment Share on other sites More sharing options...
RareBreed Posted December 9, 2015 Author Report Share Posted December 9, 2015 Ok, im not really familiar with 4th orders so I don't want to build and tune in a way that's going to give me a steep drop off or a short bandwidth for my daily driver, maybe the sa's are the way to go, i want to move air but also be musical, not limited to decaf or slowed music Quote Link to comment Share on other sites More sharing options...
dolarbilz Posted December 9, 2015 Report Share Posted December 9, 2015 40hz+ for daily.. Wowwzers that's high. Good luck. I would NOT USE X woofers if your going to run that high. Do you know how 4th order bandpass works? 40 is very low he still will be able to play into the 20's Op unfortunately with tuning low you'll loose the high end freq.. It's kind of pick what you want.. Quote Link to comment Share on other sites More sharing options...
Massivespl Posted December 9, 2015 Report Share Posted December 9, 2015 40hz+ for daily.. Wowwzers that's high. Good luck. I would NOT USE X woofers if your going to run that high. Do you know how 4th order bandpass works? 40 is very low he still will be able to play into the 20's Op unfortunately with tuning low you'll loose the high end freq.. It's kind of pick what you want.. Yea I know how 4th orders work. Do u know? Cuz most are tuned from 43-48hz depending on the sealed side res freq. stock X woofers love 20-40hz... They will still play above that fine but they really shine down low. If he's trying to play music 40hz + daily then he prly doesn't want X woofers. Quote c-pillar flat wall 157.11db on music 2 crossfire 8k 4 NSV3 18s 4 crescendo 10s 4 Rockford pro 6.5s Quad excessive amperage 350alts 4 juicebox 3100s Link to comment Share on other sites More sharing options...
RareBreed Posted December 9, 2015 Author Report Share Posted December 9, 2015 So is there not a ratio - tuning combo that will allow the x series to play a wider bandwidth than just 20-40? And does the same concept aply to the sa's? I appreciate your patience and help with my current situation. Quote Link to comment Share on other sites More sharing options...
zayres29 Posted December 22, 2015 Report Share Posted December 22, 2015 i woulnt think you have enough room in a tahoe for a c pillar wall and a 4th order with 18s maybe a b pillar 4ths take tons of room ... the 4th order i built for my 8s i had a while back took up half my bed of my long bed truck aside from that id tune to 45 and do a 1:2 ratio with a lot of port 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...
Hugh G. Rection Posted December 24, 2015 Report Share Posted December 24, 2015 So is there not a ratio - tuning combo that will allow the x series to play a wider bandwidth than just 20-40? And does the same concept aply to the sa's? I appreciate your patience and help with my current situation. This whole "ratio" mentality of bandpass walls needs to die. The "ratio" approach to bandpasses is the first sign of a true idiot who thinks they know how to design enclosures but doesnt know shit. If you wanna assume a bandpass will give you the performance you want, and you just assume that those subwoofer options will be the best for you, then you may wanna slow down and think in terms of ratios on this thing. Quote Owner of BigAss Ports Link to comment Share on other sites More sharing options...
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