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SOUND DEADENING & STEREO INSTALL (step-by-step):

 
Old 02-03-2012, 12:07 PM
  #21  
Thrash
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Default Final install comments:

1) Doing the deadening in a convertible was a real pita, as access is difficult with the top either up or down. This would be SO MUCH EASIER on a coupe.
2) The install took me five weeks (Dec. 28 - Feb. 2), but if you worked non-stop you could do it in maybe three or four days depending on your preparation.
3) The three layers of deadening really puffed-up the inside. I had a tough time re-installing every piece of carpet, especially the rear wall, partition area and sill-trim (photo shows BXTII, Mamo Ensolite, RAAM Ensolite & Heat Shield). I had to remove some stock carpet padding in several places. The passenger seat has a tough time going all the way back now due to it pressing against the side-tunnel.
4) The sound deadening difference is incredible. My wife is amazed at how quiet it is now. Just shutting the doors is a noticeable improvement and has a really solid sound.
5) I broke four door-panel pins, but had a box of each type on hand.
6) The two amps fit perfectly in the passenger foot-well. This was a great location, though fitting all the wires in there was tough.
7) The two 10" subs and fiberglass sub-pods ARE NOT overkill, the lows sound nice and balanced even with the top down, but I have almost no trunk room now, not that I really need it.
8) I removed the gauge cluster so I could put the Matrix in there to the right, and route the left speaker wires behind it, but you could route them under the cluster instead.
9) I think the stereo sounds far better with the rear-speakers.
10) I switched the front & rear outs at the HU-Matrix connection, to move the chimes & bluetooth/OnStar sounds from the front left door speaker to the rear left one. Initially those sounds out of the front speaker were four times as loud due to the Matrix line-driver signal boost. Thus the HU fader control is reversed, but that's no big deal.
11) I did not need the ground-loop isolators for the signal-outs or antenna.
12) Playing the stereo at a fairly loud volume with the engine not running will kill the battery in 15 minutes, so get a battery booster if you plan to play it at shows or meets, or leave the car running!
13) I initially cut my RCA signal wires to perfect lengths and soldered on new connectors ... BAD IDEA. Three of the cables FAILED due to the fact the wires are 24 gauge or smaller, and easily break free at the solder. Be sure to buy high-quality twisted cables with molded plugs as needed.
14) I powered my Valentine-One by splicing into the heated-seat circuit (HTD SEAT/WPR RLY) which only comes on when the engine is running (I also have my NPP switch partially powered here).
15) I should have mounted the DQXS as low as possible behind the passenger seat, so there was a touch more room to move the seat all the way back & recline. I may re-mount that later ...
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Last edited by Thrash; 02-06-2012 at 11:01 PM.
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Old 02-03-2012, 03:57 PM
  #22  
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[QUOTE=RLSebring;1579906822]Those turned out sharp. The black trim rings make a hell of a difference. I think this mod to the trim rings is going places. I have a set of Velocity Yellow rings ready to install against the black bezels. I'll post of pics in the for sale and general sections when finished.



Now you tell me ... yella rings might be a cool accent
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Old 02-03-2012, 03:59 PM
  #23  
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Originally Posted by sublime1996525 View Post
Awesome install man! I'm in the middle of mine. I have everything out and am just waiting on some pieces from RaamAudio. Damn that reminds me, I ran out of the BXT II. Too bad you don't live closer I'd try and bribe you for help with some beers
You'd need more than beer for me to do this again bud ...
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Old 02-04-2012, 11:33 AM
  #24  
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Amazing job Thrash, very well done, enjoy the new sounds (and lack of)!
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Old 02-04-2012, 02:34 PM
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Amazing documentation, definitely sticky material. i thought you were gonna pull the engine next.
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Old 02-04-2012, 02:53 PM
  #26  
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Originally Posted by 427Z0SX View Post
Amazing documentation, definitely sticky material. i thought you were gonna pull the engine next.
That would probably be easier overall But as when I did a total brake replacement (new rotors, calipers, lines and all) and had done zero mechanical stuff until then, it's all in the prep, planning, research and reference ...
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Old 02-04-2012, 08:43 PM
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For anyone doing this upgrade, while the seats are out you might want to consider upgrading them to 2012 seats.
Obviously this is not to everyones taste or budget, but I thought it might be worth mentioning.
I have done a how to post here

Awesome write up by the way, I know how difficult it is.
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Old 02-04-2012, 10:29 PM
  #28  
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Originally Posted by XZR1 View Post
For anyone doing this upgrade, while the seats are out you might want to consider upgrading them to 2012 seats.
Obviously this is not to everyones taste or budget, but I thought it might be worth mentioning.
I have done a how to post here

Awesome write up by the way, I know how difficult it is.
Really nice seat upgrade and post, I'll add it to "The List"
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Old 02-09-2012, 11:53 AM
  #29  
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Amazing write up! I did sound deadening and stereo with speakers and subs when I got my coupe last year, but I think I'll be doing some upgrades like new head unit, sub enclosures, timing correction processor, etc. I'd also like to do sound deadening in the front of the cab, and I expect this guide to be extremely helpful.

Thanks!
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Old 02-11-2012, 10:20 PM
  #30  
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Great write-up!
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Old 03-03-2012, 01:08 PM
  #31  
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Default Another Update ...

I'm now at 6 weeks after the install. I played with positioning the pillar-tweets up and down the inside A-pillar (using velcro) ... any higher past midway was too much in my face, thus after testing - the lower the better on the pillar. Pointed at the center of the cabin was better than them facing each other.

I was going to mold them and recover the pillars, but I did not like that look on any posts (too prego-bulgy looking), so I decided to use the angular pods that came with the Focal Performance components from Dennis at Double-D. It's not a perfect solution, BUT they work great. With eyes closed the sound-imaging/stage is now coming from the upper corners of the dash, slightly below the tweets - perfection as far as I can tell ...
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Old 03-07-2012, 12:52 PM
  #32  
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Amazing job, thanks for sharing.

Do you happen to know roughly how much weight was added to the car? I know that's not highest on the priority list, but I've thought about doing some audio upgrades, but I'm always mindful of the power:weight ratio.
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Old 03-09-2012, 11:48 AM
  #33  
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Originally Posted by Justinjor View Post
Amazing job, thanks for sharing.

Do you happen to know roughly how much weight was added to the car? I know that's not highest on the priority list, but I've thought about doing some audio upgrades, but I'm always mindful of the power:weight ratio.

I'm not racing, so not worried about the weight. I'd have to guess that with everything installed at maybe 45 lbs?
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Old 05-02-2012, 01:26 PM
  #34  
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Default Pillar tweets update ...

Initially I used the pods that came with the Focal Performance tweeters, where at first they were loose and I used velcro to figure their proper placement on the pillars. That experiment divulged that about 1/4 of the way up the pillar was the best mounting spot. So then I screw-mounted those pods, and that looked okay, though they pointed a bit too directly at my ears (first 2 pix). I initially wanted to do custom molded pillar tweets - but hated the bulgy ones I had seen posted. But then I saw a forum member selling a custom molded set, so I bought those and installed them (3rd & 4th pix). The balance and stage seems just right and they point more at each other, so the highs are a touch more subtle. Love it ...





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Old 05-02-2012, 02:55 PM
  #35  
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big bank man, Focal's are nice
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Old 05-02-2012, 06:06 PM
  #36  
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Originally Posted by Thrash View Post
I'm not racing, so not worried about the weight. I'd have to guess that with everything installed at maybe 45 lbs?
Holy Crap!!! That's putting 10 pounds in a five pound bag.
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Old 05-04-2012, 01:57 PM
  #37  
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Originally Posted by Andrew6 View Post
big bank man, Focal's are nice
The molded pillars w/tweets are really nice, I was going to do my own until I found these for sale, easy-squeezy!
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Old 05-04-2012, 09:09 PM
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Originally Posted by Thrash View Post
The molded pillars w/tweets are really nice, I was going to do my own until I found these for sale, easy-squeezy!
Nice, should of told me. Could of had DSV do a set with some yellow stitching etc...
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Old 06-03-2012, 02:12 AM
  #39  
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Default Less invasive route.

I started this project a couple weekends ago in the cargo area pulling everything out completely. That was an easier way to get to everything no doubt. I decided I didn't want to cover the center console or torque tube portion with sound insulation and disassemble the console and trim there.
I only had to remove the seats and without pulling the door trim, you can pull the carpet out of the area it's tucked under the door trim sections very easily and move it out of the way enough to completely cover the floor from end to end and door trim to the center console. I did remove the dead petal and the carpet section behind the seats to ensure good coverage there. It is very easy to tuck all the carpet back in place without going through a complete removal. Just FYI for those not wanting to go to the extent on this thread.
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Old 06-03-2012, 12:40 PM
  #40  
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Di you deaden the doors as well or are you going to later, at all?
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