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Another Sound Deadening + Stereo Install


dr_sharp

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What I used:

 

Sound Deadening

Constrained Layer Damper (CLD) Tiles (i.e. dynamat) from Sound Deadener Showdown (SDS)

Vinyl/Nitrile Closed Cell Foam, both 1/4 and 1/8-in. thick from SDS

Mass Loaded Vinyl (MLV) - acquired at no cost ;) but identical to the SDS product

Butyl Tape - 1/8-in. thick x 1/2-in. wide x 30 ft. - $3.95 off of ebay

8 oz can HH-66 Vinyl Contact Cement from SDS - comment from after-the-fact: this product was not necessary

 

Audio

Infinity Kappa 60.9CS

Infinity Kappa 62.9i

Infinity Kappa Four

Infinity Kappa 100.9w

JBL GTO3501

Stereo Clarity Hidden Enclosure

 

 

Wiring/Misc

2 sets of RCA from local car audio shop

20 ft of 4 gauge wire from Lowes

10 ft of both red and black 8 gauge wire from Lowes

20 ft 22 gauge wire for amp remote turn on

Male and Female subaru wiring harness from Amazon (SU03B & SU03RB)

Misc. connectors from Radio Shack and Lowes

About 100 ft. of 18 gauge speaker wire from Radio Shack

60A fuse + holder under hood

Power distribution block - single 4awg to two 8awg

2 additional sets of female rca connectors for oem stereo low level outputs

 

First 5 pictures: Removal of interior

Last 6 pictures: Solder points for pulling 2Vrms low level line outs from factory head unit (thanks to utc_pyro)

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lol
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First 3 pictures: modifying wiring harness. Taking out unecessary pins for speakers. Also added a pin in slot 14 for dimmer.

 

Next picture: installed 2-way into rear door.

 

Last 4 pictures: installation of front woofer using modified factory speaker. NOTE: the woofer currently hits the inner door panel. I need to modify this so it does not make contact - see last picture.

 

[edit] very last picture: You need to remove this 'cork' portion of the factory speaker mount in order to keep the aftermarket speaker from hitting the inner door panel. You can pull it right off. After that, you'll have to dremel or otherwise cut the outer plastic ring off so the speaker can sit flush with the plastic portion of the mount that is behind the cork portion that you just removed.

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lol
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  • 2 weeks later...

I'll tell you when I finish! :lol:

 

I still have the back seat out and have the passenger door to finish. This was a seriously long process. I've installed or helped install more than 10 stereos in my day and I can tell you that sound deadening is a complete task of its own. Unfortunately, all of my sound freak friends are 1000+ miles away so I had to do this alone over the course of several weeks. I just put the kappa 100.9w in with the hidden box and it sounds outstanding... even with my old overheating JBL amp... the new amp should be here friday. This will almost certainly be finished by next weekend. Of the many hours I've put into this, I'd say that 1/2 of them were devoted to sound deadening. The other half of my time was devoted to installing speakers,fabricating woofer and tweeter mounts from the factory speakers, running wiring, soldering the wiring on the factory stereo for rca connectors, and actually taking the car apart.

 

There are so many little things that you overlook easily and have to go back to finish.

 

I had to go back and ground the rca lines at the head unit.

I had to go back and grind the paint where the amps were grounded.

I had to go back and wrap the speaker connections with electrical tape.

I had to go back and re-JBweld the first tweeter mount that I fabricated

I had to go back and modify the woofer mounts since they were hitting the inner door panel

 

I guess these are things that I should know after doing so many installs, but it has been 5+ years since I've touched an aftermarket car stereo product :redface:

lol
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sounds like you had alot of problems with your install.... my kappa's didn't hurt and i just put my tweeter in the stock mounting braket it snapped right in. and I think I want to just do the trunk to keep the sub from killing my car i have a kicker 15" l7 with a 1000 watt alpine amp. my rear view mirror keeps coming off damnit!!!
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Lol, I've heard of others having that problem too... or maybe it was you from another thread? With one 350W 10" kappa I hope I won't have that problem...

 

Which version of the Kappa components do you have? The older versions have smaller tweeters that would have fit perfectly like you mention. These were like 1.5" diameter and wouldn't fit without modification :(

 

Now, I noticed last night that my headlights are dimming pretty badly on bass hits... with ONLY the sub installed running from my old P180.2... that is, 360W rms and about 700W peak. I'm going to do the "big 3" and see what happens...

lol
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Stock alternator is anemic... i did the big3 and it didn't really help much at all. What did help was swapping to HIDs. I don't get any dimming and I'm running a JL 500/1 with the JL Stealthbox.

 

Don't bother with a capacitor either. They won't help and you probably have built in capacitance in the amp anyhow.

 

Bottom line, either upgrade your alternator or consider switching to HIDs.

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HID's + Yellow Top = th3 sex with my 500/1 and 300/4. No issues at all.

 

Yah, I run a yellow top too but with a 500/1 and the stealthbox pounding, it's not hard to get the lights to dim, but you need to be trying...

 

Regular usage, no problem.

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I'm so close... this sucks waiting on the new amps. I've procrastinated another night on finishing the last door. I 'officially' installed the magden tonight. It fits like a champ under the passenger seat. I'm hoping that it won't slide around but we shall see.
lol
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I've been putting off installing my stereo for too long now... mine is going to be a little different though... I'm just doing door speakers, 4 channel amp, and a Rockford Fosgate 360.2 sound processor... I'm not sure yet if I should do sound deadening though... without subs, I don't think it will be quite necessary. I am both excited and hesitant about the sound processor though... it will be awesome once it's in (150 band EQ PER CHANNEL!!) but it's going to be a lot of wiring, and i'll need to gut the interior to run all the wires and fab up speaker mounts.
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  • 3 months later...

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