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Corvette speaker change

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Old Aug 31, 2007 | 02:39 PM
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Default Corvette speaker change

hey all i have a 1988 35th, and the speakers are shot in it. it has the Bose sound system. i have a new CD player on order for it. i just need some help with the speakers. what fits in the corvette, i know the Bose has 4in. can i go bigger since i am changing the header unit?
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Old Aug 31, 2007 | 02:47 PM
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I have 2 Sony 12 inch woofers in a box in the back with I believe they are 4X9s in the wheel wells. I will double check and 4 inch alphines in the doors. I tried 6 1/2 but they had fitment issues. Plus a bigger amp. Really booms with the base
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Old Aug 31, 2007 | 02:57 PM
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I put 6 1/2 " in the doors (minor dremel tool work) and 6X9 in the rear not fitment issues
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Old Aug 31, 2007 | 03:11 PM
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I put 6.5" components in the doors with the tweeters and crossovers under the dash and 6 x 9's in the rear hatch area. I went to a sound booth in "BEST BUY" (save the hate, not a regular shopper) and listened to Rockford Fosgate, Alpine, Pioneer, Sony, Kenwood and found that JBL sounded better than all of them.

So, JBL speakers it was!
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Old Aug 31, 2007 | 04:40 PM
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did you guys have to do major rewiring when you put your new speakers in? everyone i talked to at the stores says i need to rewire the whole thing becuse of the Bose. they offered to do it for a mere $230 extra , thats when i decided to do it myself.
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Old Aug 31, 2007 | 05:23 PM
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Check out the Audio/Electronics section of the forum, under General Corvette discussions. There's LOTS of information there. In fact, our member Bogus setup a sticky at the very top of that forum that deals entirely with the subject of C4 audio, including the Bose system.
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Old Aug 31, 2007 | 05:46 PM
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Originally Posted by ShadowC4
did you guys have to do major rewiring when you put your new speakers in? everyone i talked to at the stores says i need to rewire the whole thing becuse of the Bose. they offered to do it for a mere $230 extra , thats when i decided to do it myself.
There are those that recommend running all new wires for the speakers. I used the existing NON POWER wiring in the doors, (4 inch round infinities) and (6 x 9 infinities) in the back. There's a small amount of modification to the rears but if you have a dremel.......no problem.
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Old Aug 31, 2007 | 05:52 PM
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Back ones are 6X9s as well. Don't know why I thought 4X9. Redo your wiring and remove ALL bose. Thats my opinion though. I havent missed anything about Bose.
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Old Aug 31, 2007 | 07:04 PM
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Originally Posted by Corn Flakes
Back ones are 6X9s as well. Don't know why I thought 4X9. Redo your wiring and remove ALL bose. Thats my opinion though. I havent missed anything about Bose.

I was prepared to do that if the sound quality of my Sony head unit was affected but after almost 2 years it's still clear and loud. Roof off and 70mph the music can be heard quite well.....
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Old Sep 1, 2007 | 11:25 PM
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In the 90, 6X9s in the rocker panels and rears, 8" kicker in the compartment behind the driver.
In the 89, 6-1/2 MAs in the doors and 6X9s in the rear.

New wiring all.
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Old Sep 2, 2007 | 03:53 AM
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6x9s in back, 4" in doors, and 4x6" in dash if you cut the center of the dash plates out like the non-Bose cars.

Anything larger than that will require some creativity.

Also I think you can just run the speakers off the pre-amp wiring if you don't want to bother with new wire.


Personally, I did 6x9s in back, 6.5" mid components in doors, tweeters in dash, and a 10" sub in the storage compartment. Good setup, but next time I'd use better quality speakers.
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Old Sep 2, 2007 | 06:43 AM
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Originally Posted by CentralCoaster
6x9s in back, 4" in doors, and 4x6" in dash if you cut the center of the dash plates out like the non-Bose cars.

Anything larger than that will require some creativity.

Also I think you can just run the speakers off the pre-amp wiring if you don't want to bother with new wire.


Personally, I did 6x9s in back, 6.5" mid components in doors, tweeters in dash, and a 10" sub in the storage compartment. Good setup, but next time I'd use better quality speakers.
Just curious about what brand you went with on the mid/doors/tweeter setup?
thanks.
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Old Sep 2, 2007 | 07:36 PM
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Originally Posted by black_89_vette


I put 6.5" components in the doors with the tweeters and crossovers under the dash and 6 x 9's in the rear hatch area. I went to a sound booth in "BEST BUY" (save the hate, not a regular shopper) and listened to Rockford Fosgate, Alpine, Pioneer, Sony, Kenwood and found that JBL sounded better than all of them.

So, JBL speakers it was!
I have JBL's in my 1990 coupe plus a Clarion head unit. It sounds great and the head unit can be modified so that the display color matches the other gauges.
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Old Sep 2, 2007 | 10:02 PM
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Originally Posted by CentralCoaster
6x9s in back, 4" in doors, and 4x6" in dash if you cut the center of the dash plates out like the non-Bose cars.

Anything larger than that will require some creativity.

Also I think you can just run the speakers off the pre-amp wiring if you don't want to bother with new wire.


Personally, I did 6x9s in back, 6.5" mid components in doors, tweeters in dash, and a 10" sub in the storage compartment. Good setup, but next time I'd use better quality speakers.
One 10 inch woofer? Did 2 12 sony explodes. I wish I coulda fit 2 15" subs back there. Not sure about tweeters. Small speakers in the dash? Barely heard the word. Just know people use them for sound.
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Old Sep 3, 2007 | 12:54 AM
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Originally Posted by Corn Flakes
One 10 inch woofer? Did 2 12 sony explodes. I wish I coulda fit 2 15" subs back there. Not sure about tweeters. Small speakers in the dash? Barely heard the word. Just know people use them for sound.


I was going to install four 20" subs back there, but I thought it'd be better to have storage space. It's completely hidden with the door shut.



The rest of the speakers are crappy infinity reference.
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Old Sep 3, 2007 | 06:03 PM
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Originally Posted by CentralCoaster
I was going to install four 20" subs back there, but I thought it'd be better to have storage space. It's completely hidden with the door shut.



The rest of the speakers are crappy infinity reference.

That's a clean setup!
I like!!
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Old Sep 3, 2007 | 08:15 PM
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I had a Pioneer CD stereo installed with an Alpine Amp. 6x9" rear and 6x5" in the doors. I kept the original wires. I had mine installed at Good Guys. It cost about $1000.00 with labor. I spent a couple of months looking around for the best deal. The prices vary. Wait for a big sale.
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Old Sep 3, 2007 | 08:28 PM
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When I gots da vette, behind a rug covered piece of plywood was 62 lbs. of this crap --

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Old Sep 3, 2007 | 09:49 PM
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WoW!
Somebody likes amps....
How did the stock alternator handle powering all those amps at night-lights on + the AC on at idle?
Talk about sucking out some juice!
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Old Sep 4, 2007 | 08:32 AM
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This weekend I will put a pair of 2-way 6.5" Focals in the doors to replace my 3-way 6.5 Infinity's

In the rear speaker holes I have a pair of JBL 8" Subs

I have a 2 x 75 watt Phoenix Gold amp to run the 6.5's

I have a 2 x 150 Jensen amp to run the subs ( I will replace this amp before Spring)

I ran monster cable to all speakers, even thru the door!

I use the Pioneer Double DIN but that will get pulled out soon to an be replaced by an Eclipse head unit

Last edited by LD85; Sep 4, 2007 at 08:40 AM.
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