you would just need the 4 channel amp
http://forums.corvetteforum.com/show....php?t=2007429

i think this might be a good solution, no you do not delete the rear speakers the front speaker and tweeters get run in parallel with the supplied crossover

 

For stereo imaging, its important to have good Mids and Highs in the front because your ears are more directionally sensitive to higher frequencies. The rears in both home and car audio are used for ambiance. For this reason, many people use less expensive coaxials in the rear saving money for high end components in the front stage.

 

Great....I know the FAQ covers stuff like speaker sizes, so I'll read up on that info there.

Thanks for all the info guys. Once I get the mechanicals finished on the car this year, I'll be turning my attention to the full audio system in '09. I'm really jacked up about getting the subwoofer in by Memorial Day weekend!!!

 

I hear ya... I recently got hooked up with some local Vette owners and now I've sunk cash into a Z06 rear end. All I need to do is get a new stall converter and install it.

Ant paint my calipers.

And put on long-tube headers.

And a cat-back.

And....

Here are my thoughts: If you want good quality sound, don't bother with rear speakers. I don't have them in my car, and I really don't miss them. I had a set of Infinity components in the rear, but they pulled the Soundstage back too far. The rears are too close to your head, so the music from them arrives first, then the front. Even with the drivers turned down low, you'll have that issue unless you run time alignment.

As for the channels of amplification: I run my front components with their crossover. (Passive.) Two channels up front, one sub channel.

I am considering running an active crossover. I will need four channels up front: L&R mids, L&R highs. (Plus a sub channel.) That means I need either two amps, or one large 5-channel amp. The cool thing is, I'll be able to adjust the crossovers, and time alignment of every driver. Ultimate flexibility... some minor complexity.

In your case, so long as you run your passive crossovers, you will need 3 channels as a minimum. If you do decide to run rears, then you'll need 5 channels.

Mark

 

FRONT:

Coupe/FRC/Z06: Front can handle 6.5" components easily... but be careful of tweeter placement due to the door panel:



If you can, try and get them as close to the 6.5" driver, or do like I did and mount them lower:



In this picture, I left the inner grill fabric off so you could see the driver placement.



REAR

Coupe: 6.5" driver.
FRC/Z06: 5.25" driver.

Be careful on the depth of the magnet on the rear speakers... the gas tank fill tube is right behind the left rear speaker.

If you decide to build your own box:

http://www.fasthotrod.mypldi.net/images/vettebox.pdf

I made up a drawing to help.

Mark

 

Question on having no rears....how does this effect listenability (if thats a word?) with the targa top off cruising down the highway at 65+ mph? Are the front speakers alone producing enough volume that I won't have to crank them to the breaking point to overcome the hurricane level wind noise?

 

at 65+ you'll have to crank pretty much any system with the top off. It's not as bad as a vert because the hatch acts as a wind screen. Even with 100w per channel, i still have to crank mine up an additional 3-4 levels. If you plan to cruise with the top off a great deal, you should look into mounting the tweeters in the A pillars either midway up like Kale or in the corners like me. This will raise your soundstage and make the music sound like it's coming from directly in front of you instead of fom your feet.

 

You guys are absolutely killing me!

I come into the audio forum for the first time to ask a little advice on adding a subwoofer to the stock system, and now I'm already pricing replacing everything except for the head unit in the next month.

Bunch of zealots....y'all are worse than the forced induction crew!

 

I ran without rear speakers for a year. I just added some in the past 2 months, I am so glad I did. The music now sounds like it is in the center of the car and not the front.

I tuned the rears to have just enough fill to make it like I was in the middle of the music.

 

Thank you very much. Now go out and buy a bunch of unnecessary stuff and install it already. Jam out dude.