Dash Tweeter Clairification - JeepForum.com

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post #1 of 16 Old 11-25-2015, 05:51 PM Thread Starter
Luke4010
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Dash Tweeter Clairification

Hi everyone

I'm looking into replacing the speakers in my ZJ. I will be keeping the stock head unit (for stock look and because I constantly use the casette and CD player ), and for now keeping the stock Infinity amp. Later on after the speaker replacement I will consider upgrading the amp, but for now speakers are my main concern since the foam surround on all my speakers have rotted away making all the speakers pop when there is any bass at all. I have also just recently added a rear soundbar from a 5.9, and wired it in line with the rear door speakers. From what I have found so far, the front door speakers are woofers that work in combination with the tweeters in the dash. The rear door speakers are woofers with built in separate tweeters (2 ways), and the soundbar has two woofers and two tweeters. I am not looking to replace any tweeters at this time. So really my main question is how are the dash tweeters wired up? I was originally wanting to keep the same type of speakers in their locations (new woofers in the front and in the soundbar, and new 2 ways in the rear doors), but I need to know first how the dash tweeters are wired up. Does the amplified output from the amp go to a crossover mounted somewhere, or is it wired in series or parallel with the front door speakers?

Thanks for helping out a car audio newbie

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post #2 of 16 Old 11-25-2015, 06:06 PM
big98tnzj
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Ejschultz would be the guy to talk to about this. Maybe he will chime in if he is not out of town working.

Sent from my Z932L using Tapatalk
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post #3 of 16 Old 11-25-2015, 06:16 PM
kg6mov
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IIRC, they are parallel with the door speakers with high pass filters to keep the low crap out of them.

1996 ZJ Green Laredo V8, 2.5" OME and Bilsteins, 33's, Holes drilled in the roof.
1998 ZJ 5.9 - Junked
1984 F250, 460 BB, T19, work truck/future tow pig
1987 Mercedes 300D Turbo, the diesel daily, 30mpg in style

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Originally Posted by Texas ZJ1 View Post
I heard someone yell "mall crawler" from the back porch. I'll go see who said that. Be right back.
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post #4 of 16 Old 11-25-2015, 06:51 PM
steveh_131
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Yes they are in parallel with a crossover of some sort, I never figured out where exactly the crossover is wired.

When I replaced the door speakers with regular 3-ways, I had to disconnect the tweeters at the dash. Just unplug them. It sounded horrible until I did.
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post #5 of 16 Old 11-25-2015, 06:59 PM
steveh_131
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Whoops, I just saw that you want components in front and to keep the tweeters.

Keep in mind that you're dealing with 2ohm output from the infinity amp... do you plan to get 2ohm woofers for the doors? That might work out ok.

Downside is that if you ever want to replace the infinity, it'll be hard to find a 2ohm setup.
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post #6 of 16 Old 11-25-2015, 07:03 PM Thread Starter
Luke4010
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Thanks for the replies. I was leaning toward putting new components in the front, but I might do it your way and put two or three ways in the front and disconnect the dash tweeters. Just trying to figure out how the dash tweeters are wired up first so I know what I'm dealing with. I'm not looking for two ohm replacements, but from what I've read 4 or 8 ohm speakers won't sound too bad with the infinity amp. I can always bypass the amp for free in the future too until I find a new upgrade if I don't like how it sounds with the new speakers.
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post #7 of 16 Old 11-25-2015, 07:20 PM
jb1331
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I run 4 ohm after market speakers and the stock dash tweeters in mine for years and they sound great with the infinity amp. My head unit is a JVC with HD radio using a harness adapter / speaker level output. I could have ripped it all out and ran line level with a sub, but what I got is fine for my ears.

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post #8 of 16 Old 11-25-2015, 07:23 PM
coralman
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If I'm not mistaken the dash tweeters feed through the connector block at your left knee. The crossover is on the backside of the tweeter itself. If you need the actual diagrams I will post

Info on projects and repairs categorized by system
http://www.jeepforum.com/forum/f13/c...-faqs-2863665/

Originally Posted by HighLonesome
lol...if life is as a simple as a 5.9 making you happy, I'd say go ahead and buy it on impulse. ZJs are the way of Zen. Wax on, wax off
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post #9 of 16 Old 11-25-2015, 07:26 PM Thread Starter
Luke4010
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If you could, that would be great. It'll be sure to clear this up for me.
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post #10 of 16 Old 11-25-2015, 07:56 PM
kg6mov
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4 ohm speakers work fine in the doors, the amp doesn't care.

With the factory tweeters and coaxials in the doors it sounds just fine.

1996 ZJ Green Laredo V8, 2.5" OME and Bilsteins, 33's, Holes drilled in the roof.
1998 ZJ 5.9 - Junked
1984 F250, 460 BB, T19, work truck/future tow pig
1987 Mercedes 300D Turbo, the diesel daily, 30mpg in style

Quote:
Originally Posted by Texas ZJ1 View Post
I heard someone yell "mall crawler" from the back porch. I'll go see who said that. Be right back.
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post #11 of 16 Old 11-25-2015, 10:14 PM
steveh_131
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Quote:
Originally Posted by kg6mov View Post
4 ohm speakers work fine in the doors, the amp doesn't care.

With the factory tweeters and coaxials in the doors it sounds just fine.
I'm tellin ya, mine sounded awful with those tweeters hooked up. The bass was completely distorted. I always figured it was some issue with the different impedance between the tweeters and the door speakers but maybe there was just something wrong with mine. Or maybe bypassing the infinity amp caused the issue.
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post #12 of 16 Old 11-25-2015, 10:47 PM
kg6mov
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Ah, yeah, I've still got the amp connected, works great.

1996 ZJ Green Laredo V8, 2.5" OME and Bilsteins, 33's, Holes drilled in the roof.
1998 ZJ 5.9 - Junked
1984 F250, 460 BB, T19, work truck/future tow pig
1987 Mercedes 300D Turbo, the diesel daily, 30mpg in style

Quote:
Originally Posted by Texas ZJ1 View Post
I heard someone yell "mall crawler" from the back porch. I'll go see who said that. Be right back.
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post #13 of 16 Old 11-26-2015, 05:21 AM
wingless
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Quote:
Originally Posted by coralman View Post
If I'm not mistaken the dash tweeters feed through the connector block at your left knee. The crossover is on the backside of the tweeter itself. If you need the actual diagrams I will post
The foam cone suspension on my Infinity speakers has also disintegrated on my vehicle. I want to retain the remote dash tweeters.

There are dozens of options for component speakers, ranging from: , $50, to: $1,350. The one I like is this Infinity Reference X REF-6500cx. Crutchfield has a BOGO Black Friday sale on Infinity speakers.

These have a crossover w/ adjustable controls. I want to mount that crossover where it can be accessed w/o much disassembly.

Could you please post the diagram?


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post #14 of 16 Old 11-26-2015, 05:31 AM
jly
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It is easy enough to repair the Infinity speakers

You can easily re-foam the original Infinity speakers. I bought foam rings and did it myself, having never re-foamed a speaker in my life, for about $5 per speaker. Look for Infinity 6.5" on Ebay and have at it
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post #15 of 16 Old 11-26-2015, 08:29 AM
HighLonesome
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Quote:
Originally Posted by steveh_131 View Post
Yes they are in parallel with a crossover of some sort, I never figured out where exactly the crossover is wired.
The crossover is as simple and cheap as it gets, a single capacitor. But it works. I vaguely recall it is mounted on the tweeter itself.
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