fox_racin4 Posted February 11, 2010 Report Share Posted February 11, 2010 hes already got an 18 btl which is why he wants to use the 18 lol 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...
wL<3bass Posted February 11, 2010 Report Share Posted February 11, 2010 hes already got an 18 btl which is why he wants to use the 18 lol Sell it and buy a 15...simple. Vehicle: 1997 S10 Blazer 4dr 4X4 Exterior: Rear End Bagged, Black Grill, Lifted 2" Amplifiers: Rockford Fosgate T8004 & T10001bd Batteries: 2 Stinger SPV35, Kinetik HC2400 Electrical: Big 3, DC Power 290amp Alternator w/ MLA at 15.5v Enclosure: 4.2 ft³ @ 33Hz 84sq.in. of port (20sq.in. per cube) Headunit: Eclipse CD3200 w/ 80G iPod Mids/Highs: Rockford T152s (a-pillars), Rockford T162s (doors) Subwoofers: 1 15" Fi BL Fully Loaded Wire: All 1/0g Kicker Hyperflex My YouTube Videos My Fiberglass A-Pillar Build My "Seamless" Looking Box Build My DD1508 T-Line Bandpass Build "Seamless" w/ Acrylic Windows (for '05 TrailBlazer) My Stealth 8" Fiberglass Build (for '05 TrailBlazer) My Build For A Friend's '08 Cobalt 15" BL Sealed Off From The Trunk My feedback/references... Link to comment Share on other sites More sharing options...
Team_DC-Derrick Posted February 11, 2010 Report Share Posted February 11, 2010 or run it in a sealed box and see how it sounds.... The DC Integra 3 18s to 6 15 build log Team_DC-Derrick's Youtube Team DC Audio where theres a will theres a wall....... I just realized Steve has reach Voldemort status, over on JP's site he is the one who will not be named....."We dont speak his name over here, fearing it will destroy us" LOL not even in hush tones Link to comment Share on other sites More sharing options...
kl0wn Posted February 11, 2010 Report Share Posted February 11, 2010 take out the back seat and to an IB or just seall off the trunk and build a box in place of the back seat. This is why Fi has their IB3 series. Subs made specifically for Infinite Baffles. Bro, since you already have the sub, I would say build a sealed box, and test it out. I highly doubt any of these people on here saying "don't do it!" has probably never done it, or heard a 18" BTL sealed. But they may have..I don't know, I just doubt it. I agree with Forevrbumpn though. Just experiment and try it out. What's the worse that can happen? You don't like how it sounds, you wasted like a day or so, and like $30. If it does sound good, and you like it, you didn't waste a day, or any money and you have yourself your box. I say test it out before you throw the idea out. Just my opinion.. 06 Mini Cooper S Sundown, SoundQubed Cadence, XS Power 151s Sealed 155s Outlaw Windshield @ 37hz Link to comment Share on other sites More sharing options...
rc.btl Posted February 11, 2010 Author Report Share Posted February 11, 2010 what year of grand prix because i have come up with a couple box designs for and 18 and would def be able to put a ported box for u btl in there would just take time ITs a 04 gt grand prix:) 2004 Grand Prix HU: Alpine 9886 for sale Sub Amp:AQ2200d (possbly 2) Enclosure:BCP Designs. Best for the Money Electrical:1 Stinger SPV70 battery Subs:2 15 D2 AQ HDC coppers Wiring:0gauge power SoundQuest Wiring:0gauge ground Kicker 141.8 @ 28hz tl legal on the dash. 142.6 @ 33hz tl legal on the dash. Link to comment Share on other sites More sharing options...
rc.btl Posted February 11, 2010 Author Report Share Posted February 11, 2010 Sell it and buy a 15...simple. yeah sounds simple dont it... only problem bud is someone has to buy it. 2004 Grand Prix HU: Alpine 9886 for sale Sub Amp:AQ2200d (possbly 2) Enclosure:BCP Designs. Best for the Money Electrical:1 Stinger SPV70 battery Subs:2 15 D2 AQ HDC coppers Wiring:0gauge power SoundQuest Wiring:0gauge ground Kicker 141.8 @ 28hz tl legal on the dash. 142.6 @ 33hz tl legal on the dash. Link to comment Share on other sites More sharing options...
rc.btl Posted February 11, 2010 Author Report Share Posted February 11, 2010 how about aero ports?? save a lil room dont it? but idk how to tune that at all. 2004 Grand Prix HU: Alpine 9886 for sale Sub Amp:AQ2200d (possbly 2) Enclosure:BCP Designs. Best for the Money Electrical:1 Stinger SPV70 battery Subs:2 15 D2 AQ HDC coppers Wiring:0gauge power SoundQuest Wiring:0gauge ground Kicker 141.8 @ 28hz tl legal on the dash. 142.6 @ 33hz tl legal on the dash. Link to comment Share on other sites More sharing options...
fox_racin4 Posted February 11, 2010 Report Share Posted February 11, 2010 heres a calculator ive used before http://www.psp-inc.com/tools.html does anyone have a chart for how much port area each size port as ex: 4 inch tube = XX 6 inch= XX etc 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...
rc.btl Posted February 11, 2010 Author Report Share Posted February 11, 2010 heres a calculator ive used beforehttp://www.psp-inc.com/tools.html does anyone have a chart for how much port area each size port as ex: 4 inch tube = XX 6 inch= XX etc alright i got a 5cuft box with 33hz 5 inches port diameter 1 port so it says i need 6.06 inches of straight port and 7.06 for flared port... sounds right? 2004 Grand Prix HU: Alpine 9886 for sale Sub Amp:AQ2200d (possbly 2) Enclosure:BCP Designs. Best for the Money Electrical:1 Stinger SPV70 battery Subs:2 15 D2 AQ HDC coppers Wiring:0gauge power SoundQuest Wiring:0gauge ground Kicker 141.8 @ 28hz tl legal on the dash. 142.6 @ 33hz tl legal on the dash. Link to comment Share on other sites More sharing options...
fox_racin4 Posted February 11, 2010 Report Share Posted February 11, 2010 i dont think 1 5 inch will be enough port area for it i had 3 6 inch with my CV stroker and i had a bit of port noise lol 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...
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