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sq doesnt mean im competing it just means ill be using the 18 in an sq oriented installation. Why not get loud if you can with the space available. I just get mad when people are loud but loose all consideration for how real instrumental music comes out of it. And yes horns for 15's have been done in 5cuft so 18 could be built in truck with 13-14 cuft to work with, through tapered design and double bass reflex. i already told m5 how i felt and how i must have been mistaken about this place. You think everyone with no posts is using the wrong terminology when really this forums terminology is too tight. No ""SQL""? i guess that means you better compete and be one extreme or the other. Yes its not a true scientific term but how do you describe an install like mine without it. I have to say SQ the next thing I know people are jumping on my ass because the 18's going to override the front stage in competition, no shit. I dont care what judges think of my car, i care what I think. The next thread I will make will be build then im out. You can hop on noobs all you want cus you cant distinguish or give someone the benefit of the doubt. All the drivers were sq oriented but the btl that i put the wrong number on which is a stupid system anyways. You can kill all three of mine if you want. I would have made one but then I would have gotten bitched at for posting in wrong thread. Can't win either way. Just let me ask this... When is the last time the moderators or senior members of this forum challenged the community or themselves to get better by tackling completely new things including theory, construction, or design process. What have you done to organize GOOD information and make it readily accessible other than scrolling through pissing wars in search. Ill be at cac

Needing recommendations on any and all used or heard systems with excellent SQ that have either personally blown you away or proved themselves in competition recently. Any info and opinion on the following are welcome with my proposed equipment in () Wiring thru KNU like always, damp pro like a pro, BIG 3, H/O alt if needed(pref not that much draw on a TL) and upgraded battery as install dictates. OEM integration - a must for this build sadly(360.2 by RF) sound processors (audio control, best model for needed corrections) component speakers - 2 sets F/B most likely fiberglassed to bring soundstage up (CDT, have loved every set I heard if installed right. Perfect for all systems with supplemental midbass) Subs - 1 18" or 2 15's that will beat on same power - have yet to find one in modeling (SSA Xcon or FI q - its tough without more info and no listening comparison) Amps - My current ones are birthsheeted at ridiculous numbers -- 1650 14.4 at 1, >92 s/n, 83 db chan sep, <. 05% thd at all freq, cea compliant, super efficient -- but if theres better please suggest(maybe sundown? is it worth it) Thanks

Got a new build in works on Acura TL. Need amp recomendations for pure SQ app using very high end drivers(listed in my subwoofer thread). Rms over 1000 needed other than that just looking to upgrade my current bsheeted 1650 at 14.4 with >92 s/n ration, 83 db chan sep, and <.05%thd from 20-85ish. Also have to use an OEM integration because Acura thinks there stereo is perfect the way it is... Looking at JL's, the RF 360.2(or other versions) and a couple from audio control(all good shit). Basically looking for anybody who has installed or heard systems with these or other high quality amps and OEM int units. I think my choices would suffice but always considering better. Thanks

Not sure if that first three post rule really applies but here goes my first.. Just purchased new Acura tl and have the following dimensions to work with for an 18 of these subs: Xcon FI q Fi btl n3, sq options Havoc 18 rl-p Firing towards hatch(20h x 32w x 32d) Firing towards trunk (16h x 32w x 40d) Can power with whatever amount needed, have some amps bsheeted ~1650, but can purchase new and probably will for SQ reasons. My plan is a smaller ported box tuned very low with plenty of port area that I can plug to make a large sealed with added blocks inside, possibly a horn or QW for competition in future. All boxes will be firing thru the rear middle hatch and sealed off as close as possible for cabin gain. Every one has been modeled in winisd pro with cabin gain and subsonics factored. Port velocity is staying under 16 with flare and excursion shouldn't reach more than 80% in any app. I'm really just looking for the answers that i can't model without more info or experience(which I have never heard any of these and don't have the money to find out sadly). If you have heard any of these subs and have opinions on which sounded better in different or similar apps I am all ears. I listen to everything from modern classical and techno to rap metallica beatles anything and everything. I am obviously going for best SQ possible and will do whatever enclosure needed to make happen. My conclusion at this point is that the FI q will be most accurate in all forms of music while the Xcon is very slightly behind but can noticeably beat in SPL app. Havoc was harder to determine because I dont have any information on magnet gap or bl linearity based on coil and inducatance. If anybody can shed light on these types of numbers and design properties please do but I'm prepared to go on opinion because I do know this group is the best and possibly only 18s that can pull off all 3 enclosures based on designs. The differences are minimal at best but some enclosures get very picky and magnify those differences so why not get the best. And thanks for being here I did my reading and this is where all the knowledge is today. Ive been doing this for 8 years, been on every forum and this has the least retards. The one thing I can offer is help on all enclosures, youre welcome to pm me or I will probably reply to most anyways. Just help me decide which of these or any other recommended drivers u know of will be the best choice, money not considered