jeffrm Posted September 18, 2012 Report Share Posted September 18, 2012 Im thinking of selling my 4 OA 15s and going with 4 OA 18s instead. If I use the RD 3250 I already have on the 18s instead of the 15s, how much louder do you think I could get? 03 tahoe z71 4 death penalty 18s 2 ampere audio 3800s @ .5 each 18v 156.7 @ 35hz 158.5 @ 50hz Link to comment Share on other sites More sharing options...
Guest Posted September 18, 2012 Report Share Posted September 18, 2012 assuming you can fit them in a proper box, louder. thats about it. Link to comment Share on other sites More sharing options...
jeffrm Posted September 18, 2012 Author Report Share Posted September 18, 2012 I would be tuning it much lower than my current 4 15 wall ( approx 35hz ). And my box now isnt really filling up my back seat area. I would be keeping my 49in width and going from 35 tall to 40 and from 23 deep to 25. OAs website says 3.5 - 5.0cuft per sub and the way I have it in Torres gives me a little over 16.5cuft which I believe would be fine. 03 tahoe z71 4 death penalty 18s 2 ampere audio 3800s @ .5 each 18v 156.7 @ 35hz 158.5 @ 50hz Link to comment Share on other sites More sharing options...
Chris Hammer Posted September 18, 2012 Report Share Posted September 18, 2012 Tuning lower you might lose some output unless your vehicle peaks lower than your current box is at. You're adding cone area which will make you louder but its also harder to get lower and louder most of the time. You might end up just as loud on the meter but be able to play lower and with more authority. The only real way is to find out. I say go for it...18's look bad ass. Are you going to recone to 18's or just sell the 15's? MY BUILD *****http://tinyurl.com/gmcbuild***** Vehicles 2005 GMC Canyon CB1000r - Currently where any future funds are going. (exhasut,bazzaz, ohlins shock, screen, etc.) crf250r - Used to be race bike..now I just trail ride..practice at the track on it. CH80 - Daily beater (when nice weather)best 150$ ever spent. 100+mpg Sold to: Skullz - pstone11 - Leo1103 - Volvo 63' - pavelpardo - imnew59585 Shower farts still piss me off.I think theyre pretty neat. When the water runs down your crack as you let one out... its like shitting in a crockpot. Link to comment Share on other sites More sharing options...
shogen Posted September 18, 2012 Report Share Posted September 18, 2012 Im thinking of selling my 4 OA 15s and going with 4 OA 18s instead. If I use the RD 3250 I already have on the 18s instead of the 15s, how much louder do you think I could get? how does your current setup sound now? just not loud enough? Pioneer Premier P880PRS ll Front Stage: US Acoustics 4060 - Random speakers currently ll Sub Stage: Crescendo BC3500D - 15" Xcon sealed @ 3.28 cubes ll Electrical: - Kinetik HC1800(front) NEW***DieHard P-2(rear) beaker- I know this sounds like a lot of anime bullshit, but it is true. Link to comment Share on other sites More sharing options...
jeffrm Posted September 19, 2012 Author Report Share Posted September 19, 2012 Ill be selling the 15s, for financial reasons, but when I get back on my feet ill be getting the 18s. My current setup is very loud but im wanting more cone area for hairtricks. Will mostly be a demo machine but will hop on the meter just to see what itll do. And yeah 18s look badass too. And noone around here has them. 03 tahoe z71 4 death penalty 18s 2 ampere audio 3800s @ .5 each 18v 156.7 @ 35hz 158.5 @ 50hz Link to comment Share on other sites More sharing options...
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