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Old 07-15-2009, 07:44 PM   #1
Whaler21
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Default 08 Coupe Upgrade Question

Hello all,
I did an Evelyn Wood speed read through most if not all the audio posts here. Didn't find what I was looking for. The only upgrade to my factory (non-Bose) system is add a Infinity Bass Link to the back of the drivers seat in the storage area. I have since bought a new JL Audio Stealth Box from a friend, complete with the JL sub for $200.00 cash. Needless to say I added a single channel 400 watt amp where the Infinity Bass Link was and installed the JL box. I think it sounds great. I can now turn down the bass setting on the factory head unit and use the amp/JL box. I don't want to spend the cash changing out the factory head unit. My question is... finally.... would a aftermarket set of speakers in the doors like Pioneer Premier PRS720's or the like give me better sound? I want to keep my spending under $400.00 including the speaker adapter panels. Suggestions?
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Old 07-15-2009, 10:31 PM   #2
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6.5 components and amp
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Old 07-15-2009, 11:18 PM   #3
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I already have an aftermarket Nav unit installed, but I'm in the process of swapping out my factory amp/speakers for aftermarkets.

You can get custom cut plates for $45 shipped.

I went with Polk db6501 components for $120 shipped on ebay.

That leaves you $235 to spend on an amp (2 ch for just fronts, or 4 ch for rears also) and whatever other gizmos you'll need for the install. Or you could spend a bit more on the speakers.

I like having the rear speakers playing (many around here recommend against it), so I went with a 5 channel amp ($200 shipped) and some JVC CS-FX502 5.25's for the rear.

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Old 07-15-2009, 11:55 PM   #4
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Thanks guys. I was wondering if just a speaker swap/upgrade without adding another amp would make a difference. I know a amp would make a world of difference, i'm just to lazy to run more wires. Actually IMO the sound I have now with the addition of the JL sub and everything else stock sounds pretty good to me (for the $ I have into it). I would like to get a bit more mid range and maybe a real tweeter/crossover setup in the doors.

Also, about the rear speakers. I have read that some folks say they are not needed and don't do much. My rears can really be heard. I have the front/rear adjustment set dead center. I would say I can hear the sound as 55% rear and 45% front. I would think about an upgrade to the rear as well. I'm looking for a link that shows how to access the rear speakers.

Thanks again.
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Old 07-16-2009, 03:25 AM   #5
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Just replacing the front 3.5" twiddlers with ANY aftermarket 2-way speaker is an improvement. The OEM speakers are just basic paper speakers without a dedicated tweeter. BA S35's and Polk db351's are popular choices.

Quote:
Originally Posted by Whaler21 View Post
I'm looking for a link that shows how to access the rear speakers.
I was going to wait until I was done with my entire install, but since you asked..... CLICK HERE

As far as I know, all C6 models have 5.25" speakers in the rear.

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Old 07-16-2009, 07:55 AM   #6
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Yes, all C6's have rear 5.25's, both Bose & Delco systems.

The question regarding rear speakers isn't whether you can hear them or not it's what they contribute to the sound stage. Honestly if you can pick out the rear speakers you have it faded too much to them, all they really are intended for rear fill. I was skeptical of front speakers only but have found that concentrating on the front stage is the way to go for sure, I don't miss rear speakers a bit in either my vert or my Z06.
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Old 07-20-2009, 08:49 PM   #7
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Quote:
Originally Posted by TheKomoman View Post
Yes, all C6's have rear 5.25's, both Bose & Delco systems.

The question regarding rear speakers isn't whether you can hear them or not it's what they contribute to the sound stage. Honestly if you can pick out the rear speakers you have it faded too much to them, all they really are intended for rear fill. I was skeptical of front speakers only but have found that concentrating on the front stage is the way to go for sure, I don't miss rear speakers a bit in either my vert or my Z06.
I can hear the rear speakers just fine. They do more than fill in my coupe. I have the fade to the center point on the adjustment. If they are too loud it is a problem with the head unit and maybe should be adjusted to the minus side of center. But, I don't mind hearing them. Also, through reading it looks as if I can leave the subs in the front door and replace only the 3 1/2" speakers? If so, I won't need a custom mounting plate? If not, should the 3 1/2" speakers be mid range only, or a 2 way? And is it better to remove the door subs if I have the JL Stealthbox and go with 6 1/2", adapters and a crossover. Remember, I'm am not planning on installing another amp for the door speakers. I am going to run them on the factory head unit. Lots of questions I know, but I'm afraid to get into the doors anyway because I'm afraid it will never go back together a second time.
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