Focals ISS 690, ISC 165 & Polk db351 install tutorial with pics - Page 9 - Jeep Garage - Jeep Forum

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  #97  
Old 03-01-2015, 07:37 AM
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Re: Focals ISS 690, ISC 165 & Polk db351 install tutorial with pics

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Originally Posted by VMX12R View Post
I installed the ISS 690s into my Altitude (standard 4 speaker stereo) and found the replacement to be wonderful. With the low sensitivity rating, I believe that 95% of people would be perfectly content with just replacing the speakers without installing an external amp. The lows are strong and tight, (Killing Strangers from Marilyn Manson shakes the outside mirrors even after dynamatting the doors), the mids are very good, and the highs...can be a little strong, but are very crisp and bring out details I never heard in songs. I do have the treble set at -2 also, with mid flat and bass at +1. You do have to turn the stereo up to about 15 though to start getting decent bass response. I had considered going with a silk or soft dome, but I'm afraid of losing the detail and crispness.

It is also nice that they bolt right up without custom spacers or other hoopla.

Also, after installing the speakers you really get an idea of how crappy Sirius/XM music reproduction really is compared to songs from a SD card. Sounds like they are playing the songs through mud.

I have a JL 700/5v2 and Infiniti sub that I'm installing during some time off at the end of this week.
I installed the ISS690 yeserday along with the ISC165, I also have the DB351 Polk Center. My intital reaction is what a mistake I made! Although I know from reading that a break-in time is required so I am not yanking them out yet. I also realize everyone is different when it comes to listening.

There is no bass response, and I have to jack this radio higher than before to hear anything substantial. I find this interesting because others have stated how the lows are strong and tight. The tweeters are very harsh as previously stated. I have the treble at -2, the mid is +1 and the Bass is almost max. I didn't install any of the wiring provided, just dropped the speakers in.

I hope things change with break in otherwise I will be looking at an amplifier or something else. BTW I have a 2015 Overland 4x4 with 9 Speaker Alpine.

Any input is greatly appreciated.

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  #98  
Old 03-01-2015, 08:30 AM
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Re: Focals ISS 690, ISC 165 & Polk db351 install tutorial with pics

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Originally Posted by sticker500 View Post

There is no bass response, and I have to jack this radio higher than before to hear anything substantial. I find this interesting because others have stated how the lows are strong and tight. The tweeters are very harsh as previously stated. I have the treble at -2, the mid is +1 and the Bass is almost max. I didn't install any of the wiring provided, just dropped the speakers in.

Greetings,

Midbass/Midrange speaker require a period of breaking in order for the material to loosen around the surround.This varies from manufacture to manufacture. With Focal's it should start loosen up to performance levels around 10+ hours of playing. some speakers do need over 20 hours to hit the mark. Always keep the volume at moderate levels.

The other thing you check is the polarity of the connections. Its seems, that Jeep has a problem going back to 2011 that some speakers might have been reversed in polarity. Try changing the positive and negative connections.

With swapping out OE speakers for aftermarket, you will never hit the volume potential of the speaker via the factory amp. In the case of JGC, you should have a nice bump, but nothing compared to be powered by an aftermarket amp. And, yes you are right, everybody perceives sound differently.

Best for now.
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  #99  
Old 03-01-2015, 02:43 PM
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Re: Focals ISS 690, ISC 165 & Polk db351 install tutorial with pics

Quote:
Originally Posted by sticker500 View Post

There is no bass response, and I have to jack this radio higher than before to hear anything substantial. I find this interesting because others have stated how the lows are strong and tight. The tweeters are very harsh as previously stated. I have the treble at -2, the mid is +1 and the Bass is almost max. I didn't install any of the wiring provided, just dropped the speakers in.

I hope things change with break in otherwise I will be looking at an amplifier or something else. BTW I have a 2015 Overland 4x4 with 9 Speaker Alpine.

Any input is greatly appreciated.
I had replaced the standard 6 speaker (4 door / 2 tweeter) setup in mine, so the difference might be comparing apples and oranges, but I would like to think that they still would provide decent bass response after break in. I don't know what frequency that factory system provides to the front door speakers, so that may affect it. I initially installed mine without the tweeter in-line crossover thinking that the factory filters would suffice, but installed them later and it seemed to tame them a little better. I'm also not sure if the front doors in your setup are provided all the low frequencies. I continue to be happy with mine, but the wife doesn't care for how 'bright' the tweets are. Not sure yet if I'm going to do anything about that (adjustable crossover, tweeter replacement, etc.) as I'm afraid to lose some of the clarity.
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  #100  
Old 03-01-2015, 04:38 PM
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I understand, and thanks for the comments. I actually prepared an SD card and the difference is amazing compared to radio and Sirius.

They sound better for sure, I may consider a sub and amp to replace the factory one but I don't think the stealth box matches my carpet which is light frost / beige.
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  #101  
Old 03-01-2015, 10:22 PM
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Re: Focals ISS 690, ISC 165 & Polk db351 install tutorial with pics

>There is no bass response, and I have to jack this radio higher than before to hear anything substantial. I find this interesting because others have stated how the lows are strong and tight. The tweeters are very harsh as previously stated. I have the treble at -2, the mid is +1 and the Bass is almost max. I didn't install any of the wiring provided, just dropped the speakers in.

With reference to the above, let me weigh in here:
I have the stock 4 speaker res/rsc head unit. With the new focals and my sansa zip clip, my bass response is excellent. And I play bass. Now it is not subwoofer bass, which is a totally different animal, but if the recording quality is good, cd's or mp3 at or near lossless, I have the full dynamic range and pretty forceful at the low end. So, you may really want to double check the polarity! I know, pulling the doors off again isn't fun.

If you are saying Sat Radio is pale, it is. The sat radio in the GM cars we have at work is quite a bit better. Must be undersampled or something. FM radio is quite a bit better. The CD player is pretty good, but again a badly engineered cd is going to show up here. Some Dire Straits cd's and Steely Dan's are a little better and good to compare and contrast things with.

Somebody else complained about the focal tweeters being shrill and changed em out to Alpine,and it is potentially true, for certain kinds of recordings and bad mixes will really show up hard and high in the tweeters. But if you fade just a little bit of audio to the rear doors, that lowers the front tweeters a little bit and seems to help with that problem. I don't seem to have this problem with say Martin Taylor on Jazz guitar or a Beethoven Sonata, but say some rock albums that were analog, and then digitally copied . . .

Hope this helps.
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  #102  
Old 03-02-2015, 06:52 AM
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Re: Focals ISS 690, ISC 165 & Polk db351 install tutorial with pics

Greetings,

The front door speakers for midbass/midrange in both the stock and Alpine system kicks in around 55-65hz (cycles). The db slope is estimated at 12db.

In my previous post I did not bring up the issue of source material. With the OE headuints, the SirusXM tuner they use and the related channels do not provide the proper signal strength that other cars or previous cars that some of owned gave us that power. Thus the punch from the speakers.

The current colors for the Stealthbox is trick to matchup. I would send a picture to JL Audio and see if the can pin point which one is close for you.

SB-J-GCHWK2/10W3v3/BK - Car Audio - Stealthbox® - Jeep - JL Audio

Best for now.
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  #103  
Old 03-02-2015, 07:42 AM
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Re: Focals ISS 690, ISC 165 & Polk db351 install tutorial with pics

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Originally Posted by 1stJeepGC View Post
Greetings,

The front door speakers for midbass/midrange in both the stock and Alpine system kicks in around 55-65hz (cycles). The db slope is estimated at 12db.

In my previous post I did not bring up the issue of source material. With the OE headuints, the SirusXM tuner they use and the related channels do not provide the proper signal strength that other cars or previous cars that some of owned gave us that power. Thus the punch from the speakers.

The current colors for the Stealthbox is trick to matchup. I would send a picture to JL Audio and see if the can pin point which one is close for you.

SB-J-GCHWK2/10W3v3/BK - Car Audio - Stealthbox® - Jeep - JL Audio

Best for now.
You are 100% correct, when I loaded up the SD card, the speakers really shined through. I alos took another member's advice and faded the front a couple notches and that helped immensely. I am starting to enjoy them. I think an amp and stealthbox or equiv is in order!

Thanks for all your help!
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  #104  
Old 03-02-2015, 07:19 PM
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Re: Focals ISS 690, ISC 165 & Polk db351 install tutorial with pics

Quote:
Originally Posted by sticker500 View Post
You are 100% correct, when I loaded up the SD card, the speakers really shined through. I alos took another member's advice and faded the front a couple notches and that helped immensely. I am starting to enjoy them. I think an amp and stealthbox or equiv is in order!

Thanks for all your help!
Greetings,

Anytime and enjoy the system.

Best for now.
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  #105  
Old 03-15-2015, 11:43 PM
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Re: Focals ISS 690, ISC 165 & Polk db351 install tutorial with pics

Well, after defending the ISS 690s ever since installing them in my WK2, I bought and installed the Alpine Type R tweeters (SPR-10TW). I thought the Focal TIS tweeters were really crisp, and every detail of songs were heard, but they did cause significant ear fatigue and the wife HATED them. Having enough of turning down or turning off the stereo to give my ears a rest and hearing the wife complain about the 'ice pick in her ear' sound I bought the Type Rs and left the Focal 6x9 woofers installed. Definitely not as crisp or incredibly detailed as the Focals, but still sound very good and they do not hurt the ears at all. With some minor trimming they fit very well inside the factory tweeter cups. The extreme 'brightness' of the Focals always kind of bothered me, but I am very happy with the overall sound now.
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  #106  
Old 03-16-2015, 06:50 AM
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Re: Focals ISS 690, ISC 165 & Polk db351 install tutorial with pics

Greetings,

The differences in the tweeters are really based on the type of music you listen too. They both have their pros and cons. It is all about personal opinion and how the perception of the sound is to that individual.

Personally, I am like a high quality silk dome tweeter with a radiator ring built into it. Like my HAT L1 Pro 2. The next big evolution in tweeters once they are able to handle off-axis response will the ribbon tweeter.

Best for now.
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Old 04-14-2015, 12:14 AM
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Re: Focals ISS 690, ISC 165 & Polk db351 install tutorial with pics

To any of the guys who changed out the tweeters in the mirror area, I am interested in buying your factory tweeter grilles. Please PM me if you want to sell. Thanks Al
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  #108  
Old 05-03-2015, 06:35 AM
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Re: Focals ISS 690, ISC 165 & Polk db351 install tutorial with pics

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Originally Posted by 1stJeepGC View Post
Greetings,

Both Polk's for the tweeter's have a soft dome material for a more natural sound. They will be pretty much even in terms of tonal respondence.

Best for now.
Would like to go with Polk door and tweeter speakers in my 2012 Overland. Which ones should I get? I prefer soft dome tweeters.
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