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Old 03-06-2013, 02:29 PM   #1
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Alpine system in 2013 wrangler unlimited

Does anyone know if and where the amp is for the sub on the upgraded alpine stereo? And can you hook more subs to it?

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Old 03-06-2013, 04:16 PM   #2
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I think it comes from the head unit (130/430/730).....I read in this forum that is already preset to pump more power to the dashboard speakers....with that said you can buy a PAC harness to hook up additional amps....as a matter of fact I'm doing that this weekend.

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Old 03-06-2013, 05:33 PM   #3
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Quote:
Originally Posted by boilermaker_yv View Post
I think it comes from the head unit (130/430/730).....I read in this forum that is already preset to pump more power to the dashboard speakers....with that said you can buy a PAC harness to hook up additional amps....as a matter of fact I'm doing that this weekend.
Photos of the PAC harness....bought it on eBay
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Old 03-06-2013, 05:37 PM   #4
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The amp is basically behind the the driver-side 6.5" speeker pod.

Can you hook up another amp to it? Not as cleanly and most would like.
You can use the below adapter, but you lose EQ control. The big question is...if you use that adapter for just a sub amp, do you lose EQ control over the factory amp?
http://www.pac-audio.com/productDeta...&CategoryID=28
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Old 03-08-2013, 06:40 PM   #5
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2013 alpine system replacements

I'm having a problem with the front speakers, they put in aftermarket pioneers and it was like they killed the sub you had to have it up to 35 before you heard any bass at all coming through, tgen put the original alpine ones back in and it was back to normal is there anyone else that had this problem? Or have a solution??
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Old 03-08-2013, 06:45 PM   #6
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Could the alpine speakers be 2 ohm? That's all I can think of.
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Old 03-08-2013, 06:54 PM   #7
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They said the factory specs say they are 4ohm, could it be the pioneer had a tweeter with it
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Old 03-08-2013, 07:06 PM   #8
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I wonder if they wired them out of phase.
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Old 03-08-2013, 07:13 PM   #9
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I have no idea they said they left the clips on and just wired it directly to the jeep speaker wires, I know nothing about systems I just want a clearer sound
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Old 03-08-2013, 07:22 PM   #10
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What state do you live in?
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Old 03-08-2013, 07:24 PM   #11
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Missouri
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Old 03-08-2013, 07:33 PM   #12
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Did you go to a mom and pop our a big box store?
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Old 03-08-2013, 07:37 PM   #13
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Well I guess both they are kinda big in missouri but that's about it
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Old 03-09-2013, 01:03 AM   #14
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Quote:
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They said the factory specs say they are 4ohm, could it be the pioneer had a tweeter with it
The factory speakers are 2 ohms. (I tested mine at 2.7 ohms actually).

But that should not kill the sub. Sounds like they wired them out of phase.
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Old 03-09-2013, 01:23 AM   #15
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Quote:
Originally Posted by panthermark View Post

The factory speakers are 2 ohms. (I tested mine at 2.7 ohms actually).

But that should not kill the sub. Sounds like they wired them out of phase.
I don't think he actually meant the subwoofer quit, but that the bass was really low. So, I think the amp can't drive the four ohm speakers, and there's the possibility that they were wired out of phase.

If this was my Jeep, I would yank the factory system and start over. But it isn't, and I highly recommend a mom and pop shop that had been rated highly in internet reviews.

Good luck.
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Old 03-09-2013, 01:26 AM   #16
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Quote:
Originally Posted by panthermark View Post
The amp is basically behind the the driver-side 6.5" speeker pod.

Can you hook up another amp to it? Not as cleanly and most would like.
You can use the below adapter, but you lose EQ control. The big question is...if you use that adapter for just a sub amp, do you lose EQ control over the factory amp?
Pac-Audio.com Product Details | iPod Integration for your car and More by Pac-Audio - Connecting you to the future
I haven't tested this seeing as how I don't have my JK yet, but from my experience with using these pac adapters to add a sub, they don't effect the EQ. My corvette came with Bose system from the factory and it is amplified in what sounds like the same or similar way the Jeeps are. It uses it's own amp and at lower than normal ohms. My Pac adapter simply allowed my aftermarket amp to receive line out signals from my factory headunit which I kept and didn't affect my EQ at all.
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Old 03-09-2013, 08:51 AM   #17
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The only way to be sure to get a "clear and clean sounding system" is to swap everything out with components that you actually want and will sound good together. I told myself that I'd never do this again (going to be 41 next week) but I'm very disappointed with my base factory system. Worst sounding system in any new or used vehicle I've ever had. It distorts once you turn it up and what is stated here about the "premium" Alpine system means that the premium audio package isn't much better.

If you want something to sound good, rip out all the factory junk and put in good equipment. Problem solved. Just takes $$$$.
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Old 03-09-2013, 03:06 PM   #18
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So I should go with 2ohm instead of 4

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