2005 CTS-V Bose Front Speaker Swap
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  • 2 Post By AngryHog
2004-2007 Cadillac CTS-V Appearance Mods Discussion, 2005 CTS-V Bose Front Speaker Swap in Cadillac CTS-V Series Forum - 2004 - 2007; I am going to swap the front speakers out of my V and have some questions: Are the door speakers ...
  1. #1
    Scott2012's Avatar
    Scott2012 is offline Cadillac Owners Fanatic
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    2005 CTS-V Bose Front Speaker Swap

    I am going to swap the front speakers out of my V and have some questions:

    Are the door speakers and tweeters run off the same channel from the bose amp? If this is the case, then the bose factory tweeter must have a small passive cross-over.

    OR

    does the door speaker and tweeter run off separate channels from the bose amp? This option seems unlikely, but I guess ya never know.

    Reason I ask, is because I plan to install a new pair of component speakers. I would use the speaker leads from the door, to the new passive crossovers, then to the new door speaker, and would run a new speaker wire to the new tweeter in the A puller.

    This would all be straight forward, but sure would be a pain if there was not a full range channel going to door speaker. (Like the bose amp has an on-board cross-over)

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  3. #2
    RoverGuy7 is offline Cadillac Owners Member
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    Same lead from the amp, crossover for the tweeter is right at the tweeter. The wiring splices and splits to door/a pillar under the drivers seat, same location for both sides. Pull the seat, and there's just enough room to hook up and mount crossovers under the seat.

  4. #3
    sssnake's Avatar
    sssnake is offline Cadillac Owners Fanatic
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    But the signal sent to the fronts is hi passed at 100hz. Anything lower is sent to the sub. Don't expect a ton of improvement on the lows wo replacing the sub and using an external sub amp.

  5. #4
    Scott2012's Avatar
    Scott2012 is offline Cadillac Owners Fanatic
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    Re: 2005 CTS-V Bose Front Speaker Swap

    Quote Originally Posted by sssnake View Post
    But the signal sent to the fronts is hi passed at 100hz. Anything lower is sent to the sub. Don't expect a ton of improvement on the lows wo replacing the sub and using an external sub amp.
    I was a bit afraid of that. No way to get a full range signal? 100 hz is a tad high

    ----------

    Quote Originally Posted by RoverGuy7 View Post
    Same lead from the amp, crossover for the tweeter is right at the tweeter. The wiring splices and splits to door/a pillar under the drivers seat, same location for both sides. Pull the seat, and there's just enough room to hook up and mount crossovers under the seat.
    Thanks- ill definitely do that!!

  6. #5
    carlson_mn is offline Cadillac Owners Enthusiast
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    Re: 2005 CTS-V Bose Front Speaker Swap

    Quote Originally Posted by Scott2012 View Post
    I was a bit afraid of that. No way to get a full range signal? 100 hz is a tad high

    ----------



    Thanks- ill definitely do that!!
    Hey - I am very happy with the subwoofer install I have recently put together. If you want to give it a listen just let me know, we should check out eachother's cars soon since we are only a few miles apart - I'm in richfield. The sub I put in is pretty good quality and did wonders for the system. Shoot me a PM!

  7. #6
    AngryHog is offline Cadillac Owners Member
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    You can get full range, but it takes some work. The stock amp (rear left trunk wall) has a full range, full volume, low level input signal that carries all the audio from the head unit. You could probably tap into that easily enough, but then your subs would be at full volume all the time (head unit volume would control everything BUT the sub).

    The better (and more expensive) option is an OEM interface, such as the Rockford Fosgate 3sixty.2 or .3, JBL MS-8, etc. They take the stock signal, process it with eq, x-over, time alignment, levels, and give you multiple RCA outputs to do whatever you want with. RF 3sixty.2 is about $150 used now that the .3 is out ($500). Google "oem interface". Downside is you'll have to stock up on amplifiers. But I think the MS-8 has some power built in (30 w/ch). I run a 3sixty.2 so I know that one better than the others. I compete in stereo competitions nationally and do well. I think people love the car more than the stereo sometimes. :-) Good luck!

    -AngryHog
    Scott2012 and Scott2012 like this.

  8. #7
    sssnake's Avatar
    sssnake is offline Cadillac Owners Fanatic
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    If you are interested in a used MS8 I can definitely help you out

    For my application the MS8 didn't have enough boost/cut to tame the midbass boost the car provided. However it does integrate the signals to provide a full range signal that you can then divide up as you see fit with its built in xovers. But again in my install that uses kick mounted speakers it just couldn't get the eq right. With door mounted speakers I don't think it would be an issue. The other thing is you can come back in and cut the midbass with graphic eq if you want.

    I am a MECA competitor and for me that solution just didn't give me the control I wanted. For 99% of the V owners out there I don't believe they would have even noticed.

  9. #8
    sssnake's Avatar
    sssnake is offline Cadillac Owners Fanatic
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    Angry,

    What sanctioning body do you compete in and what class? I would love to hear another V done right. Also, are you on DIYMA? If so, what is your screen name? I may have seen your build log.

    Sssnake - charles

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