Replacing the factory subwoofer and speakers (8th Gen) - Drive Accord Honda Forums
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post #1 of 44 Old 10-23-2008, 07:15 PM Thread Starter
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Replacing the factory subwoofer and speakers (8th Gen)

I have an 09 accord coupe with navi, I like the clean setup that the stock subwoofer has, and I didnt want to loose the trunk space to a sub, so I wanted to replace mine.
I couldn't find any info on the factory sub, and very little info on the speakers, so I just ordered some. I got a Pioneer TS-SW841D free air sub, some Polk audio momo 2 way speakers, and a lot of Dynamat. When I got it I took apart the trunk liner and removed the factory sub only to find out that the pioneer sub does not fit. The pioneer sub is too thick and the factory mount has very sloped sides so it does not fit in beyond a half inch. (I later hooked it up was reassured that it was okay that it didn't fit because it sounded terrible (maybe not enough power, i don't know)). The speakers however, fit great and sound amazing, and the dynamat blocks a lot of road noise and makes the speakers bass sound much more pronounced. I was still distraught on what to do about the sub because the stock one sounds pretty tinny.

I decided to forget the free air sub and order a sub that I thought would sound good. I found it in the JL audio W8. To install it I had to make the factory sub opening a little bigger (less than .5"), which I did with a dremel, and then the JL sub just dropped in. I could immediately notice the difference- it sounds fantastic. like the trunk is its box and it hits hard and crisp- even with just the stock amp.
If you are looking to replace the sub, go with a regular sub, not a free air sub. Be ready to spend several hours on it, but when you are done, the payoff is great and it really improves the sound of your system for a low price.
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post #2 of 44 Old 10-23-2008, 07:34 PM
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Wow, how long did that take to install? nice work!
this will get moved to audio section though

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post #3 of 44 Old 10-23-2008, 07:40 PM
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Asher,

Can you post pics with everything back together please?

Thanks!

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post #4 of 44 Old 10-23-2008, 07:48 PM
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broooooooo nice job.

can i ask you a big favor, how did you remove the rear shelf? i have dynamat left over which i want to cover the shelf with, please lee me know

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post #5 of 44 Old 10-23-2008, 07:49 PM
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nice, looks great, why didn't you go with JL 8W7 ?
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post #6 of 44 Old 10-23-2008, 08:14 PM
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Now I know where the nav antenna is. Thx.
JC
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post #7 of 44 Old 10-23-2008, 08:41 PM
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Looks pretty clean. Good job man.

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post #8 of 44 Old 10-23-2008, 08:46 PM
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wow... real nice...truly admire the work... i'm gonna have to change my speaker eventually for sure... i need some extra slap for sure as the sounds is pretty weak

don't think i'm gonna do the trunk setup anymore.... again great job.. you laid the foundation and will make the job for me a lot easier

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post #9 of 44 Old 10-23-2008, 09:01 PM
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Were you using external amp?

Desmond,

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post #10 of 44 Old 10-23-2008, 09:03 PM Thread Starter
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The JL 8W7 is a great speaker, and I considered it. The reason I decided against it was because the 8W7 is about 8" deep and I was going for a better sound but wanted it as discreet as possible. So, the 8W3v3-4 is a little less than 5" deep and isn't really noticeable in the trunk.
Also, the 8W7 has a much higher RMS rating and I was worried that it would not be getting enough power unless I used a separate amp for it. I am sure the 8W7 would sound great though.
I will post more pics from inside the trunk tomorrow.
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post #11 of 44 Old 10-23-2008, 09:33 PM
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look very good
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post #12 of 44 Old 10-23-2008, 09:44 PM
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damn it. now I gotta order a JL sub next. MUST RESIST...........
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post #13 of 44 Old 10-23-2008, 10:10 PM
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well i was going to try a setup like this but my 12" rockford p3 and box and amp(mounted the amp on the side - btw its a bazooka 500w) fits perfectly in the slot like trunk, like where u push all the way to the back of the backseat and its a perfect fit. I enjoy the way it looks but this might sounds better, and that is alot of dynomat. lol.

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post #14 of 44 Old 10-23-2008, 10:44 PM
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Quote:
Originally Posted by Gosha View Post
broooooooo nice job.

can i ask you a big favor, how did you remove the rear shelf? i have dynamat left over which i want to cover the shelf with, please lee me know
I want to take off the rear shelf myself too but don't know where to start

Does the rear shelf panel hit the sub and speakers? looks like it sticks out alot...

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post #15 of 44 Old 10-24-2008, 02:33 AM
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Wow, that's interesting.

Seeing as I was thinking about buying that Pioneer sub, I would like some more info.

What exactly didn't fit with it?
When you say you tested it, how exactly did you do that, in the sub hole?
Why did you go W3 and not W1?
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