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Unread 08-06-2013, 10:21 PM   #1
Trent0757
Registered User
2000 TJ Wrangler 
 
Join Date: Mar 2012
Location: Colorado Springs, CO
Posts: 1
Unique Issue with SoundBar (Audio Upgrade)

First time posting. Been getting incredible amounts of knowledge from yall since I bought the Jeep, saving me uncountable time, headaches, and countable money. But I have finally hit a wall and cannot find any information anywhere on the net about this problem. I wanted to upgrade the sound system for all the obvious reasons: old stock system, overcome road/soft top noise, be able to enjoy true music as well. Here is what was purchased:

Sony MEX-BT3000P
Infinity Kappa 462.11cfp
JBL GTO638

The install went well fronts went right in. Rears took some finagleing but got it done. Fired it up, noticed something was off, did the fade and balance test. Found out no sound from the right rear speaker; however, its vibrating. I pulled it out to ensure the polarity wasn't inversed, all good. Fired up same results. Swapped the rear speakers (thinking it may be a bad speaker) same result only the right rear speaker vibrating but no sound. So, now I think it just may not be enough juice to power it and looking into amps. Has anyone had this issue before? Any leads on where to look next? If it's needing an amp, any good recommendations for someplace tucked like the drivers side footwell or behind the dash?

Thanks for any help you can offer.


Last edited by Trent0757; 08-06-2013 at 11:12 PM..
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Unread 08-07-2013, 12:38 AM   #2
Indy
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Join Date: Oct 2004
Location: WY
Posts: 3,158
Polarity doesnt matter. + - or - + youll get the same sound. Only time it really matters is if you have 2 speakers out of phase and cancelling each other. Unless its a comp system you wont notice thatthe speaker is moving in instead of out.

Hook the speaker up directly behind the deck and see if you have sound. Odds are you will and youll need fresh wire to that speaker. If you still have no sound the deck is the issue. Easy peasy.
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Unread 08-12-2013, 10:02 PM   #3
rayw
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2010 JK Wrangler 
 
Join Date: Jan 2013
Location: Herod, Illinois
Posts: 33
Yeah, what Indy said. If the vibration you're talking about is while the speaker is mounted in the bar then it's probably the other speaker pressuring the space inside the bar and driving the woofer in the non-active speaker. Does it play if the speaker is not installed in the bar but is plugged into the wires?
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