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      09-10-2012, 09:48 AM   #1
sebaNYC
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Recommendations for trunk Subwoofers

Hi there, i want to install a box with 2 subwoofers in my trunk (e90, 328xi sedan, 2007)

i had before JL Audio, so i was thinking go in that direction but i dont know which ones

any idea?

or another brand that you guys recommend?


thanks!
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      09-10-2012, 01:01 PM   #2
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Your first consideration should be the type of enclosure. Each type gives different results. Some are for SPL, some for SQL, and some for pure SQ.
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      09-10-2012, 01:01 PM   #3
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Sorry double post.
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      09-10-2012, 01:09 PM   #4
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Quote:
Originally Posted by kaigoss69 View Post
Your first consideration should be the type of enclosure. Each type gives different results. Some are for SPL, some for SQL, and some for pure SQ.
My zen closure is 12in single, non-ported and facing the rear. If I ran alpine type r 1242 I think and 500 watt alpine amp mrp-m500 I think, technic harness, am I ok? No plans of ms-8 or balancing out with other speakers.
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      09-10-2012, 02:26 PM   #5
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I only recommend two types of enclosures/set-ups, purely for SQ. It's my personal preference, so keep that in mind.

1. Corner-loaded
2. Infinite Baffle (free air)

Both are efficient, produce tight, accurate bass, with a fairly flat frequency response, and do not produce much rattling of the trunk panels.

I have not tried IB in my car, but I know what such a setup is capable of, and it will be my next project.
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      09-10-2012, 02:39 PM   #6
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perfect, but what about the subs? any specific brand?
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      09-10-2012, 03:55 PM   #7
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Quote:
Originally Posted by sebaNYC
perfect, but what about the subs? any specific brand?
That pretty much depends on what setup you want!
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      09-10-2012, 04:41 PM   #8
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You really can't go wrong with JL in my opinion. I hooked up a JL Audio CS110RG-W3v3 PowerWedge directly in the middle of my trunk against the back seats (ZCW is a nice bonus to access the amp w/o unmounting) and the gray carpet matches the trunk lining very closely, so depending on your install it can almost look stock. Since you want a double, I'd say go with CS210RG-W3v3-2 (but I can't vouch for how that one will fit).

The sub has a great balance of thump and SQ to me. Frequency doesn't go as low as I'd like, but I'm pretty sure that's a side effect of T-tapping the speaker-level sub wires as opposed to using the original signal. Also consider a sound deadening at the very least on the license plate and gas cap door, and maybe even on the trunk lid.

If money isn't an object, JL also makes a stealthbox enclosure for our cars.. but it's an ungodly 1200-1300 i think :-/ And if you prefer to match your own subs and enclosures, well that a whole other conversation!
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      09-11-2012, 08:22 AM   #9
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Quote:
Originally Posted by kaigoss69
Your first consideration should be the type of enclosure. Each type gives different results. Some are for SPL, some for SQL, and some for pure SQ.
I understand what enclosures are best for pure SQ, but just out of interest in your opinion what enclosures would be better suited for SQL?
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      09-11-2012, 09:50 AM   #10
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Quote:
Originally Posted by mob17
Quote:
Originally Posted by kaigoss69
Your first consideration should be the type of enclosure. Each type gives different results. Some are for SPL, some for SQL, and some for pure SQ.
I understand what enclosures are best for pure SQ, but just out of interest in your opinion what enclosures would be better suited for SQL?
Any well-designed enclosure, with quality subwoofers, with a total Q close to 0.7.
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      09-11-2012, 10:17 AM   #11
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So is it possible to design a corner enclosure so its considered good for SQL, or would you have to design something else, which would introduce rattles? (apart from IB)
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      09-12-2012, 09:02 PM   #12
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Quote:
Originally Posted by mob17 View Post
So is it possible to design a corner enclosure so its considered good for SQL, or would you have to design something else, which would introduce rattles? (apart from IB)
A corner loaded speaker, or two, is quite capable of being "loud" if desired. I run 2 Soundsplinter RL-i 10s in corner loaded boxes and they produce an enormous amount of pressure in the car when needed but also blend seamlessly when turned down. I run a Zapco 500/1 to the pair. I have yet to have anyone leave my car unimpressed.
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      09-13-2012, 07:19 AM   #13
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Quote:
Originally Posted by e90TiAg335i View Post
A corner loaded speaker, or two, is quite capable of being "loud" if desired. I run 2 Soundsplinter RL-i 10s in corner loaded boxes and they produce an enormous amount of pressure in the car when needed but also blend seamlessly when turned down. I run a Zapco 500/1 to the pair. I have yet to have anyone leave my car unimpressed.
Pics?
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      09-13-2012, 08:05 AM   #14
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Quote:
Originally Posted by e90TiAg335i View Post
A corner loaded speaker, or two, is quite capable of being "loud" if desired. I run 2 Soundsplinter RL-i 10s in corner loaded boxes and they produce an enormous amount of pressure in the car when needed but also blend seamlessly when turned down. I run a Zapco 500/1 to the pair. I have yet to have anyone leave my car unimpressed.


I already have a DLS A6 amp and im going to be adding a sub in the next few months. Im really liking the corner loaded method as i hate rattles.

I've read the Soundsplinter website, plus some reviews on other forums, and it seems as though they are good SQL subs and are suited for small enclosures. The Soundsplinter website doesn't show up properly so can't really see what the differences, apart from power ratings, are between the RL-I, RL-P and RL-S series. Ideally i would like one 12 inch sub in a corner loaded enclosure that has good SQ but can also get reasonably loud, but don't need/like for it to break windows or cause rattles etc. This manufacturer does seem to fit the bill.

Oh yeah would love to see pics as well.
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      09-13-2012, 01:53 PM   #15
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Hi all
sorry to butt in but im new to the forum and do not know how to post a new thread.
if anyone can help me that would be great! I'm following this tread do to i also need help with the choice of an aftermarket system.
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      09-13-2012, 03:25 PM   #16
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how to..

hey illthought, on the main page of each section you have a button on the top left, it says "New Topic"
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      09-14-2012, 10:06 AM   #17
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This is what the enclosure looks like. I've since relocated my amps for the meth and nitrous setup. I'll get some pics up sometime.
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      10-04-2012, 07:00 PM   #18
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I have yet to have anyone leave my car unimpressed.
And the run continues!
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      10-05-2012, 08:18 AM   #19
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And the run continues!
Thanks for the compliment! Enjoyed meeting you as well. I'm meeting with one of the guys I built a 12" enclosure for this weekend. I'll take some pics and get them to you.
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      10-05-2012, 02:46 PM   #20
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We can put a W3 in there with their grille.
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      10-06-2012, 08:21 AM   #21
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Quote:
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We can put a W3 in there with their grille.
Ken, that's an E90, isn't it? My sub enclosure replaces the battery cover, doesn't sit on top of it.

Mike
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      10-06-2012, 06:53 PM   #22
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Hey,

I know its nothing crazy but I went for a JL W3 10 inch and a JX 500 amp.

Because I have a convertible I was limited due to the hatch pull down.

I used the ski pass through so that the sub fires straight into the cabin and I love it

Can never go wrong with JL..














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