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C6 Head Unit / Speakers Question

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Old Jun 9, 2009 | 12:38 PM
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Default C6 Head Unit / Speakers Question

I recently did a few audio-related upgrades, but the speakers I was going to have put in the front didn't happen... I *want* to keep the stock NAV unit in, but are there any speakers that can be put in, without a seperate amp to run them?


It's an '08 C6, currently with a stealth sub in the back and an amp for it.. rear speakers replaced also. Also have tweeters added to the front, but kind-of as a test.. it was just done a few weeks ago, and I'm still figuring out if it's "good enough" ... it does sound better, but some songs (Metallica has a few good examples) still make those speakers suffer at higher volume with an almost crunching sound.
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Old Jun 9, 2009 | 04:20 PM
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Only thing you can really do is swap out the 3.5's for coaxial 3.5's, anything else would need a separate amp.
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Old Jun 9, 2009 | 04:38 PM
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..or replace the head unit, I'm told... then I could do whatever I wanted with front speakers? Is that correct?
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Old Jun 9, 2009 | 04:46 PM
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Originally Posted by slab0meat
..or replace the head unit, I'm told... then I could do whatever I wanted with front speakers? Is that correct?
Not whatever you want, but more flexibility anyway with just a head unit swap. You can add an amp to either setup and THAT will let you do whatever you want. Without adding an amp to drive front speakers you're limited by the stock amp (very weak and a crossover nightmare) or the amps built-in to a head unit, for which you would have to run new wires.
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Old Jun 10, 2009 | 11:17 AM
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Running new wires shouldn't be too much of an issue, should it? I'd prefer that to getting another amp...

Are the built-in head unit amps (if I changed the unit) good enough to run new front speakers, or is another amp the better choice? If I had to add another amp either way, I could just keep my NAV unit. If it's unnecessary after changing the head unit, that's probably my better choice, then.


Thanks for the info.
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Old Jun 10, 2009 | 12:28 PM
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I would (and did) swap out the head unit. I liked the AVIC-700BT, but prefer the DNX6140. I am not a fan of fold down screens because I like *****.....but that's just me.

Changing the speakers/headunit made a huge difference. You won't wince anymore at those certain parts of songs that just aren't balanced.
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Old Jun 10, 2009 | 12:30 PM
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an amp is the real answer. u could run aftermarket fronts off the headunit but if you go with components (seperate woofer and tweeter) they will be starving for power
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Old Jun 10, 2009 | 02:45 PM
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Originally Posted by pentavolvo
an amp is the real answer. u could run aftermarket fronts off the headunit but if you go with components (seperate woofer and tweeter) they will be starving for power
Well, again, I have a stealth sub in the back, and an amp for it. I'd just rather not do a second amp for after-market front speakers...
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Old Jun 10, 2009 | 04:49 PM
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well then u are limited to 3.5 coaxials. if you do a component set up front and power it from ur headunit its gonna sound damn near just as ****ty as the oem system due to lack of power

maybe swap ur current amp for a 4 or 5
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Old Jun 11, 2009 | 11:54 AM
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So, if I have to do a second amp either way, I can just keep my NAV unit as is, and be ok?


And can anyone suggest a good spot for the second amp? My first is hidden, but I don't have any room left in the rear compartments.
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Old Jun 11, 2009 | 12:26 PM
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I know a PDX 5 will drive the whole system and fit in the cubby. Not really an answer to what you asked, but throwing it out there...
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Old Jun 12, 2009 | 12:39 PM
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bumper
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Old Jun 12, 2009 | 01:44 PM
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You can pull out the rear speakers and snuggle an amp in one of the sides there. That area is now where my OnStar resides.

Side note: the car won't start without the onstar connected. I realized this AFTER it was moved out of the car to make room in the cubby.
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Old Jun 12, 2009 | 02:44 PM
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Originally Posted by GarrettDN
You can pull out the rear speakers and snuggle an amp in one of the sides there. That area is now where my OnStar resides.

Side note: the car won't start without the onstar connected. I realized this AFTER it was moved out of the car to make room in the cubby.
Interesting. Thanks for the info.
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