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Old 01-31-2011, 02:27 AM   #1
Subiemax
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Default 2011 WRX Build log

So I just picked up a 2011 WRX monday and got started on the build this week. The stock stereo is just terrible. Subaru should be ashamed.

Goals for this car are to keep the weight gain to a minimum or at least keep most of the weight somewhat easily removable. As this car will also see autocross and track time. Keep the car looking stock.


Source-JBL MS8
Front Stage-HAT Imagine 6 1/2s
Subs-2 DIYMA 12s
Front stage amp-Massive Audio CA50.4
Sub Amp-US Amps Merlin MD-2D

Couple pics at the dealership.

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Old 01-31-2011, 02:27 AM   #2
Subiemax
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So I got started by just getting the MS8 and the HATS in the car and just using MS8 power for now.
Ended up mounting the MS8 under the drivers seat.

Just cut a piece of mdf and put it between the carpet and the foam under the carpet.

After pic of everything wired up.
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Old 01-31-2011, 02:28 AM   #3
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Next moved on to the doors. Doors have a good amount of space and depth with a spacer.

Had to run some 12 guage through the doors. This is what I like to use.

Just run it through the rubber thingy.

Tape the wire to it.

Done
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Old 01-31-2011, 02:28 AM   #4
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I had some Rammat left over from a build and used some around the speaker location and in back of it. I know I need to do a LOT more, but this will have to do for now.

I cut down a baffle for a previous build and fit it to the door, installed the woofer and done for now.
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Old 01-31-2011, 02:29 AM   #5
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I just ended up putting the tweets in the kicks for now because it was easy. These will probably be moved to the pillars. Depends how they sound when I get them amped.

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Old 01-31-2011, 02:30 AM   #6
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After a few hiccups with the ms8, I got it up and running this morning. No tuning at all yet. The Stage is on center of course, but it still has some rainbow effect. Like I said after the amps get in and I get the doors done I may try to move the tweets up to the pillars. Might try to put some small tweets in the stock location sail pods and run them off the MS8. Might raise the stage high enough for me. Ill try it with the stock tweets first to see. Who knows.

Next step will be to build a box for the trunk and a amp rack to go in the spare tires place. Need to get some 1/0 guage wire and some sound deadening. Will be a couple weeks before I get back to it.
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Old 01-31-2011, 02:44 AM   #7
GReddy5
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What size spacer did you use on the front doors?
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Old 01-31-2011, 02:48 AM   #8
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I used 3/4" oak. They need to be close to the diameter if the 6 1/2s. Make them much bigger and you will run into clearance with the doors.
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Old 01-31-2011, 12:26 PM   #9
flycaster
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Did you by any chance actually measure the depth at the speaker mounting points? I'm trying to see how large I can go and still have relatively flush mounting.
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Old 01-31-2011, 02:26 PM   #10
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No. Never never measured it.
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Old 02-11-2011, 07:22 PM   #11
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I got some time to work on the car a bit today. Started on the trunk. The trunk in the new WRXs is kinda weird.


So the object for the trunk is to make a simple amp rack that can be removed easily when its time to race. So i decided to use the spare tire area to mount the amps, using the stock spare tire mount to holds the rack in place. Pretty staightforward.


The gound and power distribution blocks will go in between the amps. The amp rack will get carpet when I do the speaker box. Other than carpet thats it.
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Old 02-11-2011, 07:22 PM   #12
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The stock foam that supports the trunk floor and goes over the spare fits with the amps in place, but I can see them overheating quickly with it in. So I will have to make something to support the false floor.




As far as losing the spare tire? I havent had one for 4 years, last car I had didn't even come with one. Or runflats, just a can of fix-a-flat and a air pump. So this means that I'll probably get a flat within the next week



So I tried test fitting my old sub box with one 12 and its looking pretty tight to fit 2. The problem is the seat belt mechanism for the center passenger hangs down and gets in the way. If I can make the box thin enough to get behind it, it will be a PITA to get out. So i'm thinking about going inverted with the DIYMAs. I would only have to make the box 6" high.



Last edited by Subiemax; 02-11-2011 at 07:28 PM.
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Old 02-11-2011, 07:33 PM   #13
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So now I am waiting on an amp kit to come in so I can run some new 2 gauge wire. Also need to sell something so I can buy some Second Skin and ccf to finish up the doors. In the meantime, I will start woking on the "Big Three."
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Old 02-11-2011, 08:09 PM   #14
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Interested to see how you like the the HATs. I have them sitting here waiting to go in my fronts, though after talking to their owner, I'm going to leave the tweeters on there. Also considered sails though, like to hear your impressions when/if you do.

Nothing in the rear doors?
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Old 02-11-2011, 08:25 PM   #15
Subiemax
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I had the HATs in my last car, with sealed and dampened doors and 250 watts running to the mids, tweets running off the deck active. They really pounded out some mid-bass. They play clear, image well, and get very loud without distorting. Overall they are hard to beat for the money. Just make sure you seal and dampen the doors well. They will only sound as good as the install is.

Last edited by Subiemax; 02-11-2011 at 08:41 PM.
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Old 02-11-2011, 08:40 PM   #16
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As far as the rear doors, no. A good front stage is all you need. At least all I need, its a personal preference. Besides, the rear door speaker location is aweful.
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Old 02-15-2011, 11:42 AM   #17
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Quote:
Originally Posted by Subiemax View Post
As far as the rear doors, no. A good front stage is all you need. At least all I need, its a personal preference. Besides, the rear door speaker location is aweful.
Yeah, that's why I cheaped out on the rear doors and got VRs. I'd like to have something back there, especially with having passengers all the time. Powering the doors with a 300/4, sounds like I'll need more. We'll see!
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Old 02-15-2011, 12:03 PM   #18
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LOVED the way you got through the door boots...!!!

(I dig it all, LOVE that thought..!!)
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Old 02-15-2011, 12:06 PM   #19
Subiemax
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Another hint-spray it with Wd40 or something like that and it will slide through like butter.
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Old 02-15-2011, 12:10 PM   #20
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Yup... You should post that pic in it's OWN THREAD, just so people can search it and see it... It's that important... In fact, if you don't mind, Im gonna steal your pic for my "install helper pics" on my PB... lol..
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Old 02-15-2011, 12:15 PM   #21
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No problem, use it where ever.
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Old 02-18-2011, 02:35 PM   #22
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Got around to building the sub box last night.



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Old 02-19-2011, 02:10 AM   #23
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nice! saw this on diymobileaudio. i was thinking of getting the ms8 for my '11 too. how do you like it so far? dont know if i should just get a bitone or some zapco dc amps. how do you like those massive amps? that nano line is tempting.
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Old 02-19-2011, 02:40 AM   #24
Subiemax
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I like the MS8 so far. Stage is good and even with the tweets in the kicks the stage os pretty high. It should only get better when I get amps hooked up and doors sealed and deadened.
As far as the Massive amp I only hooked it up to make sure it worked. But it built like a tank and beautiful.
As far as the bitone and zapco amps, I have no experience with either.
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Old 02-19-2011, 02:45 AM   #25
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I say it sounds good, but that is only the cd player. The radio still sounds like crap. I don't think anything could make the stock radio sound good. I'm wondering if the XM is any better.
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