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Old 01-07-2014, 01:31 PM
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Question D Pillar Speaker Hole Size

For those of you who have a WK2 laying around and like taking stuff apart or those who replaced the speakers and happened to measure, how wide is the hole the speaker is sitting in and how deep is the hole from the bottom to the speaker grille? I know that the 9 speaker system uses a 2.5" and the upgraded system uses a 3.5" but I want to know if I can shoehorn in the 4" speaker that I want to put back there. Jeep support responded to me saying they can't help (awesome).

Thanks in advance.
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Old 01-07-2014, 05:11 PM
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Quote:
Originally Posted by deep18 View Post
For those of you who have a WK2 laying around and like taking stuff apart or those who replaced the speakers and happened to measure, how wide is the hole the speaker is sitting in and how deep is the hole from the bottom to the speaker grille? I know that the 9 speaker system uses a 2.5" and the upgraded system uses a 3.5" but I want to know if I can shoehorn in the 4" speaker that I want to put back there. Jeep support responded to me saying they can't help (awesome).

Thanks in advance.
If the computer doesn't have the answer Jeep wouldn't know. Seem to recall one member with a Laredo couldn't find mounts on the body work hence they must be attached to the internal panel. The HK system has 3.5" but I am unsure if it has different internal d pillar panels to the Alpine system with 2.5" speakers.
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Old 01-07-2014, 08:32 PM
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Re: D Pillar Speaker Hole Size

Greetings,

In my D pillar I install a HAT L3SE driver which is 3.7 inches. The 4" inch might be tight and set a little back in the housing. You might have to modify the opening a little in order to get the sound distribution.




Hope this helps.

Best for now.
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Old 01-07-2014, 08:47 PM
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Re: D Pillar Speaker Hole Size

Quote:
Originally Posted by 1stJeepGC View Post
Greetings,

In my D pillar I install a HAT L3SE driver which is 3.7 inches. The 4" inch might be tight and set a little back in the housing. You might have to modify the opening a little in order to get the sound distribution.




Hope this helps.

Best for now.
Dude thank you. This might be perfect because the speakers I want back there are 94mm which is 3.7". Again big thanks because I've had a hell of a time getting the answer.
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Old 01-08-2014, 01:59 AM
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Quote:
Originally Posted by 1stJeepGC View Post
Greetings,

In my D pillar I install a HAT L3SE driver which is 3.7 inches. The 4" inch might be tight and set a little back in the housing. You might have to modify the opening a little in order to get the sound distribution.

Hope this helps.

Best for now.
Does this speaker have two mounting points (like the dash) or does it have a four hole mount? Could a 3.5" drop straight in?
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Old 01-08-2014, 08:12 AM
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Re: D Pillar Speaker Hole Size

Quote:
Originally Posted by exlr8 View Post
Does this speaker have two mounting points (like the dash) or does it have a four hole mount? Could a 3.5" drop straight in?
Greetings,

It dropped straight in and we use a little hot glue to hold in place. The speaker fits snug. Just check your mounting depth of the 3.5.

Best for now.
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Old 01-21-2014, 02:36 AM
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Re: D Pillar Speaker Hole Size

Does the grill come right off or does the d pilar trim need to be removed?
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Old 01-21-2014, 08:50 AM
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Re: D Pillar Speaker Hole Size

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Originally Posted by roots4x View Post
Does the grill come right off or does the d pilar trim need to be removed?
Greetings,

The trim comes off.

Here is a usefully link about removing the interior from wk2jeeps.com:

Jeep Grand Cherokee WK2 - Interior trim removal

Just select the pdf you need.

Best for now.
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Old 01-22-2014, 01:08 AM
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Cool thanks! Yeah seems like a lot of trouble for those useless speakers. I'll probably hold of on those until summer.

Sent from my SPH-L720 using Tapatalk
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Old 01-22-2014, 07:19 AM
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Re: D Pillar Speaker Hole Size

Quote:
Originally Posted by roots4x View Post
Cool thanks! Yeah seems like a lot of trouble for those useless speakers. I'll probably hold of on those until summer.

Sent from my SPH-L720 using Tapatalk
Greetings,

It took about an hour for to remove and put back together. The removal went slow in order not to damage any trim and to make sure it reassembles easy. The speakers itself took about another 10 mins. I would say to was not too bad.

In the factory setup, it is a useless speaker in the way it was calibrated. In many of my previous posts, I have stated this is due to the specifications given by Chrysler to Alpine. In my new setup, I have the channels reversed and with my processors and HAT L3SE drivers, I now have the surround sound I like.

Unless you are not into surround sound then it is not worth it and let the rear door be the back fills. Otherwise, it is a pleasure to enjoy.

If the intent is to correct the factory Alpine Premium 7.1 system into a quality audio package does require $$$$.

Best for now.
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Old 01-22-2014, 10:23 AM
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Quote:
Originally Posted by 1stJeepGC View Post
Greetings,

It took about an hour for to remove and put back together. The removal went slow in order not to damage any trim and to make sure it reassembles easy. The speakers itself took about another 10 mins. I would say to was not too bad.

In the factory setup, it is a useless speaker in the way it was calibrated. In many of my previous posts, I have stated this is due to the specifications given by Chrysler to Alpine. In my new setup, I have the channels reversed and with my processors and HAT L3SE drivers, I now have the surround sound I like.

Unless you are not into surround sound then it is not worth it and let the rear door be the back fills. Otherwise, it is a pleasure to enjoy.

If the intent is to correct the factory Alpine Premium 7.1 system into a quality audio package does require $$$$.

Best for now.
If I don't plan on installing the processors, do you think they're worth upgrading? I plan (for now) top just install new speakers on the doors and the center. Do you think the rear speakers will "contaminate" the sound and are worth upgrading to a similar speaker as the fronts?

Thanks!

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Old 01-22-2014, 09:31 PM
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Re: D Pillar Speaker Hole Size

Quote:
Originally Posted by roots4x View Post
If I don't plan on installing the processors, do you think they're worth upgrading? I plan (for now) top just install new speakers on the doors and the center. Do you think the rear speakers will "contaminate" the sound and are worth upgrading to a similar speaker as the fronts?
Greetings,

Depending on your level of sound (i.e.: quality, audiophile or simple upgrade) will determine they type of speakers you should invest in. If you are going to the audiophile level, I would not recommend just a simple speaker upgrade.

The first step you should research is the front speaker stage: left, center, right. The key here is too match everything so that you get the right balance of sound (timbre). The front stage is simple terms should create a wall of sound from between the doors and windshield with ability to hear passages in the left and right channels when called for. The front door should have at least a quality tweeter and the center more of midrange and a low high end frequency range. Too many tweeters at high frequency can give you the effect of ear bleeding, thus the balance approach.

In regards to the rear door speakers it should be matched as closely as possible for the midrange and high end timbre in order to maintain the clarity of the sound. This is important especially when you decide to upgrade to aftermarket amps running off the factory DSP amp. In your case, your best bet is to go with a coaxial that does not have a high frequency range or you have the installer put a cap on it.

Here is a very useful link on how the factory dap works:

Factory Frequency Response

Here is a recent link about the 6x9's and 6.5 speakers:

6x9 or 6.5"?
Which 6x9's?

Hope this helps and best for now.
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