Subwoofer question
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Cadillac CTS First Generation Forum - 2003 - 2007 Discussion, Subwoofer question in Cadillac CTS Coupe, Sport Sedan and Sport Wagon Forums; I purchased a Inifinity Kappa 100.9W Subwoofer. http://www.crutchfield.com/S-cv92yDq...=DST&XVVER=CCC I was wondering if anyone knew what the stock wattage was on ...
  1. #1
    ColtonCTS is offline Cadillac Owners Member
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    Subwoofer question

    I purchased a Inifinity Kappa 100.9W Subwoofer. http://www.crutchfield.com/S-cv92yDq...=DST&XVVER=CCC

    I was wondering if anyone knew what the stock wattage was on the current AMP that's already installed in the CTS?

    I was wanting (if possible) to run it on the default amp if it would allow me to just to seehow it would sound at first.

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    curtc's Avatar
    curtc is offline OCD - Obsessive Cadillac Disorder
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    Re: Subwoofer question

    I am willing to bet the stock amp is pushing less than 100w RMS to that sub back there. Also, that is a 2/4 Ohm sub, the stock Bose runs somewhere around 1 Ohm IIRC. I wouldn't even bother with that, get an aftermarket amp and do it right.
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    ColtonCTS is offline Cadillac Owners Member
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    Re: Subwoofer question

    Sounds good, Appreciate the info!

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    TheBrown57 is offline Cadillac Owners Fanatic
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    Re: Subwoofer question

    I'm thinking about getting a aftermarket sub to replace the stock one.

    I removed the stock a while back and sold it to a member on here since I've added 2 12s in the trunk with an amp but now I miss the stock 10 hitting the higher notes that I have filtered out of the 12's.

    From what I remember from seeing on this forum is the stock amp runs around 100rms and at 1ohm

  6. #5
    ColtonCTS is offline Cadillac Owners Member
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    Re: Subwoofer question

    Just to update on this in-case anyone should ever run into this same issue.
    You will definitely need to cut the bottom of your trunk a bit if you want this to go in to the stock position.

    trunk.jpg
    I cut the square whole pattern in little segments and the steel used is so weak that you can bend it back in position later to be mounted to with the screws and bolts that will be needed to hold the sub into place as the mounting pattern is different on the unit.

    The plastic piece where the sub mounts to also had to be cut in half and placed back together
    SubPlasticTray.jpg

    This is obviously a ghetto way of doing it but once you're this far, you are committed and it honestly made no difference or rattling as far as sound quality so it's also a cheaper way of doing it than using wood as I have seen some people do.

    I also had to purchase a alpine 500W AMP and line output converter which connected to the previous wires that come off the sub and besides being a pain to get wired together it's a fairly easy process. It's just a time consuming process.

    This is in no way a guide! I am just showing what I did to get this installed and it's working flawlessly. So if you end up getting the infinity 100.9 sub to install into the stock cadillac cts this is definitely a way to do it.

  7. #6
    Ikera's Avatar
    Ikera is offline Cadillac Owners Fanatic
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    Re: Subwoofer question

    Quote Originally Posted by ColtonCTS View Post
    Just to update on this in-case anyone should ever run into this same issue.
    You will definitely need to cut the bottom of your trunk a bit if you want this to go in to the stock position.

    Attachment 210361
    I cut the square whole pattern in little segments and the steel used is so weak that you can bend it back in position later to be mounted to with the screws and bolts that will be needed to hold the sub into place as the mounting pattern is different on the unit.

    The plastic piece where the sub mounts to also had to be cut in half and placed back together
    Attachment 210369

    This is obviously a ghetto way of doing it but once you're this far, you are committed and it honestly made no difference or rattling as far as sound quality so it's also a cheaper way of doing it than using wood as I have seen some people do.

    I also had to purchase a alpine 500W AMP and line output converter which connected to the previous wires that come off the sub and besides being a pain to get wired together it's a fairly easy process. It's just a time consuming process.

    This is in no way a guide! I am just showing what I did to get this installed and it's working flawlessly. So if you end up getting the infinity 100.9 sub to install into the stock cadillac cts this is definitely a way to do it.
    how does it sound? Bass power or sound quality improved?
    my sub was already removed when I bought the car so I have nothing to compare.
    I installed a RA 300W 1ohm free-air sub and wired it up to the stock AMP... it is weak almost not noticeable. (got a second 12" 1500W Sub in a ported box with it's own AMP in the truck)

  8. #7
    ColtonCTS is offline Cadillac Owners Member
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    Re: Subwoofer question

    I am very happy with my infinity it's a huge improvement I had the 500W hooked up http://www.bestbuy.com/site/alpine-5...&skuId=7551285

    Using about 75% power and bass control set to the lowest it can go inside my dash so that way I can play around with it and it sounds superb. During the install I wasn't too happy with it but once I got everything closed and sealed back up with the seats installed, it's a huge difference.

    I'm loving it and the bass is great. It's definitely not over the top as far as rattling but it's got a great kick to it.

    Being though that I have my bass turned all the way down inside my center unit my speakers in result sound better in the car as they can hit higher levels without distortion and my bass is pretty deep in the back.

  9. #8
    Ikera's Avatar
    Ikera is offline Cadillac Owners Fanatic
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    Re: Subwoofer question

    Quote Originally Posted by ColtonCTS View Post
    I am very happy with my infinity it's a huge improvement I had the 500W hooked up http://www.bestbuy.com/site/alpine-5...&skuId=7551285

    Using about 75% power and bass control set to the lowest it can go inside my dash so that way I can play around with it and it sounds superb. During the install I wasn't too happy with it but once I got everything closed and sealed back up with the seats installed, it's a huge difference.

    I'm loving it and the bass is great. It's definitely not over the top as far as rattling but it's got a great kick to it.

    Being though that I have my bass turned all the way down inside my center unit my speakers in result sound better in the car as they can hit higher levels without distortion and my bass is pretty deep in the back.
    Thanks for reply, I guess I'll try to wire up a proper amp for that sub to properly utilize it, otherwise I feel like it's wasting space lol
    ColtonCTS likes this.

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