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My subwoofer solution

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My subwoofer solution

Old 02-20-2017, 09:01 PM
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My subwoofer solution

No amount of tuning could get sufficient sound from the stock stereo for me. Went to the shop I use and after a lot of back and forth we came up with this solution. I considered replacing the stock sub but there really isn't enough room over there for an enclosure with space I wanted. The other downside to that route for me was that's permanently lost space. What we ultimately did was remove the stock sub and used that space for a JL xd600 amp and FiX-82 and all the wiring. Then we used a JL CS112TG-TW3 which is a 12" shallow mount sub in small sealed enclosure velcro'd to the floor with industrial connections. With the box in there I still have room for a roller suitcase and a backpack and can put the cover up so you can't see anything. If I need more space it's a matter of disconnecting two wires and the box comes out.

The sound is tremendous, I could've easily used the CS110TG-TW3 which is the 10" version of the same set up but I already had the 12" version from a previous car. I turned the car's EQ bass down to -10 and then slowly adjusted the treble and mids up to my personal tastes and turned the volume up to the point where the speakers were being stressed and backed off a little. Tweaked the treble/mids at the high volume then started working up on the bass. After going through quite a few tracks I ended up with the knobs at +7/+7/+2. All in all I'm really happy with it for the little amount of time/money I have invested. An Audison bitone would be a nice addition and I may at some point add it but I'm content with it for now.


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Old 02-21-2017, 12:49 AM
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I went with the 10TW3 because my installer was able to fit the subwoofer, a Fix-82, an Audison Bit One (or Ten?), and a JL HD 900/5 all in the stock sub location. Also did Hertz 3 ways in the factory locations.

Almost looks factory.
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Old 12-16-2018, 10:03 AM
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Kumizi, please share some photos of your JL set up. Dying to upgrade this week Burmester crap.
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Old 12-18-2018, 04:18 PM
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are you thinking of doing anything underneath that rear storage cover? I was thinking of something in that space on the right, either moulding with fiberglass or having some mdf fabbed up and routed to fit that space.
Once I get started Ill post some pictures of the progress.
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Old 12-18-2018, 04:51 PM
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Originally Posted by kumizi View Post
I went with the 10TW3 because my installer was able to fit the subwoofer, a Fix-82, an Audison Bit One (or Ten?), and a JL HD 900/5 all in the stock sub location. Also did Hertz 3 ways in the factory locations.

Almost looks factory.
Yes please post a sub picture. My installer doesnít believe itís possible. TY!
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Old 12-19-2018, 12:06 AM
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I'll take a pic tomorrow. Unfortunately i don't have pics of the "guts." Basically the cubby hole on the right extends to about 1/2 inch past the factory crease.
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Old 12-21-2018, 10:31 PM
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Any updates with the pics?
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Old 12-29-2018, 05:30 AM
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Here is the build template I have recently started. This is a rough template that I am going to dial in with smoother and more flush edges that I will ultimately run passes on with a router. Ill also be able to create an enclosure that fits over the factory sub location that will be a combination of a sheet of mdf, fiberglass resin and mat to form fit that opening.

passenger factory sub location

driver side compartment ( that I will fabricate a sealed enclosure for storage wrapped with several choices of material.

rough template for the face of the subwoofer enclosure im fabricating (will be able to duplicate it for those wanting to purchase it at a later time.

rough template for the face of the sealed compartment on the driver side (will have a door or opening to access items stored inside.
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Old 01-03-2019, 05:02 PM
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Sorry for the late reply. I thought I needed a new battery but apparently there is some switch that deactivates the battery when the system detects high voltage.

I have a JL Audio 10TW3 sub, a JL HD 900/5, an Audison DSP, and a FIX 82 all hidden behind this enclosure. It's enough bass since this is a hatchback and straight through to the cabin.



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Old 01-03-2019, 05:25 PM
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That looks great. Care to share installer ?
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Old 01-03-2019, 06:15 PM
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Earmark Car Audio in Plano, TX. There's a rack inside the enclosure. Wish I had pics...
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Old 01-15-2019, 05:56 PM
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hey for the audio, did your installer have any issues with noise cancelling option or connecting the audio interface with the fiber optic Burmeister Sound system?
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Old 01-16-2019, 06:14 PM
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Originally Posted by SDAutoSalon View Post
hey for the audio, did your installer have any issues with noise cancelling option or connecting the audio interface with the fiber optic Burmeister Sound system?
i think a JL Audio Fix82 is all you need to interface with the stock system

Honestly don't know about noise cancelling. Is that an option on these cars?

Last edited by kumizi; 01-16-2019 at 07:23 PM.
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Old 01-16-2019, 06:18 PM
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I've been waiting for someone to post something like this Now I've got myself a nice little project!
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Old 01-16-2019, 10:28 PM
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ill be posting updates of the trunk progress sometime tomorrow. The weather has been a little colder than expected so curing time for the fiberglass portion of this enclosure has taken a bit longer than expected. Everything else as far as shape and contour is looking
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