OBI Posted January 7, 2011 Report Share Posted January 7, 2011 Wanna do 2 level 3 10's in a 4th order for the girlfriend's car. Hows 1 cube sealed and 2.5 ported sound? Tuned to 45hz with 14sq inches of port. Quote Link to comment Share on other sites More sharing options...
dwright27 Posted January 7, 2011 Report Share Posted January 7, 2011 more port. probably kill the lows. Quote 2006 F-150 4 DC XL M2 18's Walled Daily Driver XS Power 4 DC 3.5kw Team DC Team S.P.L. Lot of Audio Technix and 1/0 DC Audio Dealer American Bass Dealer XS Power Dealer Audio Technix Dealer Link to comment Share on other sites More sharing options...
bumpinTL364 Posted January 7, 2011 Report Share Posted January 7, 2011 (edited) why tuned so high? Edited January 7, 2011 by bumpinTL364 Quote masterbation is free, and even saves you money.sorry but someone had to say itsorry, Jimmy...beat you to it (no pun intended) LOLDON'T get a wife. Best advice I never got, and now it's too late My build: 12" DCON in a dorm room. New/current build: 8" woofer, custom amplifier block, fiberglassed speaker pods Link to comment Share on other sites More sharing options...
dwright27 Posted January 7, 2011 Report Share Posted January 7, 2011 why tuned so high? It's a 4th order bandpass ... Quote 2006 F-150 4 DC XL M2 18's Walled Daily Driver XS Power 4 DC 3.5kw Team DC Team S.P.L. Lot of Audio Technix and 1/0 DC Audio Dealer American Bass Dealer XS Power Dealer Audio Technix Dealer Link to comment Share on other sites More sharing options...
OBI Posted January 7, 2011 Author Report Share Posted January 7, 2011 more port. probably kill the lows. I was hoping you would reply. You really seem to know your bandpasses. But is around 45hz tuning geared more toward the lower end? Also should I go more like 16sq inches for port? Also do the ratios seem about right? Quote Link to comment Share on other sites More sharing options...
corona_jeff Posted January 7, 2011 Report Share Posted January 7, 2011 (edited) more port. probably kill the lows. I was hoping you would reply. You really seem to know your bandpasses. But is around 45hz tuning geared more toward the lower end? Also should I go more like 16sq inches for port? Also do the ratios seem about right? Heres my idea. 1 sealed 2.5 ported 35sq port tuned to 45 if you want crazy lows. If dont want to cut out alot of the higher end out tune to around 50 for a happy medium. Heres a BP with lvl 4's tuned to 46 so you can see the lows, just to give you an idea on tuning. Edited January 7, 2011 by corona_jeff Quote Link to comment Share on other sites More sharing options...
Autruche Posted January 7, 2011 Report Share Posted January 7, 2011 (edited) Wanna do 2 level 3 10's in a 4th order for the girlfriend's car. Hows 1 cube sealed and 2.5 ported sound? Tuned to 45hz with 14sq inches of port. Do you mean 14 square inches of port total or per cube? Edited January 7, 2011 by lAutruche Quote Need Test Tones/Sine Waves? Click Here!My Saab 9000 build1993 Saab 9000 Aero 5spdPioneer - Zapco - Hifonics - Sundown Audio - O2 Audio - RE AudioJust Say No To Rear SpeakersJust Say No To CCA WireReal Men Drive StickHit me up on Facebook, if you want Link to comment Share on other sites More sharing options...
OBI Posted January 7, 2011 Author Report Share Posted January 7, 2011 more port. probably kill the lows. I was hoping you would reply. You really seem to know your bandpasses. But is around 45hz tuning geared more toward the lower end? Also should I go more like 16sq inches for port? Also do the ratios seem about right? Heres my idea. 1 sealed 2.5 ported 35sq port tuned to 45 if you want crazy lows. If dont want to cut out alot of the higher end out tune to around 50 for a happy medium. Heres a BP with lvl 4's tuned to 46 so you can see the lows, just to give you an idea on tuning. Nice. That thing is getting down. What range was that box able to play nicely? Wanna do 2 level 3 10's in a 4th order for the girlfriend's car. Hows 1 cube sealed and 2.5 ported sound? Tuned to 45hz with 14sq inches of port. Do you mean 14 square inches of port total or per cube? 14inches per cube. Quote Link to comment Share on other sites More sharing options...
corona_jeff Posted January 8, 2011 Report Share Posted January 8, 2011 more port. probably kill the lows. I was hoping you would reply. You really seem to know your bandpasses. But is around 45hz tuning geared more toward the lower end? Also should I go more like 16sq inches for port? Also do the ratios seem about right? Heres my idea. 1 sealed 2.5 ported 35sq port tuned to 45 if you want crazy lows. If dont want to cut out alot of the higher end out tune to around 50 for a happy medium. Heres a BP with lvl 4's tuned to 46 so you can see the lows, just to give you an idea on tuning. Nice. That thing is getting down. What range was that box able to play nicely? Wanna do 2 level 3 10's in a 4th order for the girlfriend's car. Hows 1 cube sealed and 2.5 ported sound? Tuned to 45hz with 14sq inches of port. Do you mean 14 square inches of port total or per cube? 14inches per cube. 25-50 its pretty strong. After 50 is dies off some Quote Link to comment Share on other sites More sharing options...
dwright27 Posted January 11, 2011 Report Share Posted January 11, 2011 more port. probably kill the lows. I was hoping you would reply. You really seem to know your bandpasses. But is around 45hz tuning geared more toward the lower end? Also should I go more like 16sq inches for port? Also do the ratios seem about right? 45 hz tune will demolish the lows. Tune a little higher 50 - 55 for a wider passband/bandwith. I would start with 20 square per cube, then shrink down in port area until it stops getting louder. You may have to trim your port length to keep desired tuning though. IMO the square inch ratio on 4th orders is 11 - 16 square per cube but like I said I'd start with 20 and shrink down until it sounds how you want it to Quote 2006 F-150 4 DC XL M2 18's Walled Daily Driver XS Power 4 DC 3.5kw Team DC Team S.P.L. Lot of Audio Technix and 1/0 DC Audio Dealer American Bass Dealer XS Power Dealer Audio Technix Dealer Link to comment Share on other sites More sharing options...
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