Mr.BassMan Posted January 13, 2012 Report Share Posted January 13, 2012 ok i have two 15 inch kicker l7s and a kicker zx2500.. the local audio shop here is wanting to build a 12 cubic foot box for both of these subs, and have the port on the side of the box.. tuned @ 33hz. The subs are going in a 2000 oldsmobile bravada (basically a chevy blazer).. I'll be running 2 batterys, a DC power 250 HP alt. and a big 3 upgrade. Would this be enough to play in the mid 140s on music? And is having the port on the side as good as back firing the port? The installer said it would help with the rattles on the back of the hatch.. What do you guys think? Kenwood HU Kicker ZX2500.1 15" Kicker L7 (x2) Memphis 1/0 Wires 9^3 @ 31hz DC Power SP 250 Alt. 2 Deka "Intimidater" Batteries Big 3 Stock door speakers (For now) Link to comment Share on other sites More sharing options...
2000s-10 Posted January 13, 2012 Report Share Posted January 13, 2012 12 cubes for 2 15's? thats huge.. i would go for more like 6-8 for 2 15s. and u should deff be able to get to 140 with that in the right box 1999 grand prix gt kenwood x994 head unit 1/0 big 3 all shok industry single run to the back New mid/highs coming not sure what Soundqubed q2200d at .5 (have) 2 soundqubed hdc3 12s (have) New box to be built.. sealed firing forward (yet to be designed) 200 amp alt not sure exact size or manufactor xs power batts Link to comment Share on other sites More sharing options...
bassrace Posted January 13, 2012 Report Share Posted January 13, 2012 12 cubes for 2 15's? thats huge Expecially with a 2500.1 on those kickers... 145.9@40hz 145.3@34hz big 3 X2 group 34 Deka Group 31 All 0/1 awg jl meta wire Alpine CDA 7894 Orion HCCA D5000 2 AQ HDC312's Crunch gpv1100.2 (for 6.5"s only) AQ pro audio 6.5" - 3 sets AQ supertweeters - 2 sets 2000 Slamry Link to comment Share on other sites More sharing options...
carlosg_313 Posted January 13, 2012 Report Share Posted January 13, 2012 It's still going to rattle. On SUVs, sub up port firing to the hatch what works best. Since you have the cone area and power, I assume it would play in the mid 140s, only if the box is built right. More port area is a must, and 12cuft seems a bit too big for those subs. I had 2 18s in a 12cuft after displacement. How do the Japanese feel about bass?You know that since 03/11/11 Progene? I just saw that stuff on CNN. They said it makes your junk shrink all up. lol.im pretty sure the op wont even notice if it gets even smaller. Refs - Pstone11, porksoda, coleman Link to comment Share on other sites More sharing options...
carlosg_313 Posted January 13, 2012 Report Share Posted January 13, 2012 Btw, if you need some deadenor, pm me. I'll get you some for a good price. It will reduce the rattle noise. But If you are competing, it may or may not hurt your score in SPL How do the Japanese feel about bass?You know that since 03/11/11 Progene? I just saw that stuff on CNN. They said it makes your junk shrink all up. lol.im pretty sure the op wont even notice if it gets even smaller. Refs - Pstone11, porksoda, coleman Link to comment Share on other sites More sharing options...
Mr.BassMan Posted January 13, 2012 Author Report Share Posted January 13, 2012 So putting these things in a 12 cubic foot box would be a bad thing? He said the L7s were meant for big boxes, and anything smaller than 12 cubic foot I wouldnt be getting the full potential out of them.. he also said the port facing thge back on 2 door sport suvs was good, but on 4 door suvs like mine, putting the port on the side would be the best idea. Kenwood HU Kicker ZX2500.1 15" Kicker L7 (x2) Memphis 1/0 Wires 9^3 @ 31hz DC Power SP 250 Alt. 2 Deka "Intimidater" Batteries Big 3 Stock door speakers (For now) Link to comment Share on other sites More sharing options...
That1Kid Posted January 13, 2012 Report Share Posted January 13, 2012 12cuft is way too big. 6-8cuft. Subs up, port firing at the hatch is what you should do. Like everyone else said. Edit: if you're installer thinks those subs need a 12cuft enclosure...then he doesnt know what he is doing...I would think about going to someone else. Or doing it yourself. -98' Ford Expedition (Rest in Peace) -AVH-P3300BT -Crescendo BC5500 -4 18" DC m2 Level 3. Link to comment Share on other sites More sharing options...
UKnoitsMe Posted January 13, 2012 Report Share Posted January 13, 2012 good thing u checked before droppping $$$ on a box!! Man I'm glad I didn't lock this I get to witness two retards holding hands telling each other that it'll be ok because they are awesome. Link to comment Share on other sites More sharing options...
Mr.BassMan Posted January 13, 2012 Author Report Share Posted January 13, 2012 i just called him and asked him to switch the box to 8 cubic foot, and he said about the ports is that if the ports were facing the back that they wouldnt have enough room because they'd be so close to the back of the hatch.. he said if they were on the side, i'd have more bass and they'd have more room to breath. Kenwood HU Kicker ZX2500.1 15" Kicker L7 (x2) Memphis 1/0 Wires 9^3 @ 31hz DC Power SP 250 Alt. 2 Deka "Intimidater" Batteries Big 3 Stock door speakers (For now) Link to comment Share on other sites More sharing options...
Mr.BassMan Posted January 13, 2012 Author Report Share Posted January 13, 2012 need some more help guys.. he's making the measurements today and is gonna get started on the box today.. Kenwood HU Kicker ZX2500.1 15" Kicker L7 (x2) Memphis 1/0 Wires 9^3 @ 31hz DC Power SP 250 Alt. 2 Deka "Intimidater" Batteries Big 3 Stock door speakers (For now) Link to comment Share on other sites More sharing options...
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