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Discussion Starter #1
1) Ensure the manual lock knob (1) is in the unlock position.
2) Insert a flat-bladed tool into the top service notch to disengage the locking clip (2) located at the front of the manual lock knob (1).
3) Remove the manual lock knob (1).
http://pg.photos.yahoo.com/ph/asvfs/detail?.dir=b0f0&.dnm=daec.jpg&.src=ph

4) Remove the inside handle bezel (1) from the inner door panel in the following order: (I was able to do this by hand without a screw driver)
A. Hold the inside handle to the open position.
B. Insert a flat-bladed tool at the front lower corner of the bezel.
C. Pry outward on the bezel.
D. Remove the bezel from the inner door panel.
http://pg.photos.yahoo.com/ph/asvfs/detail?.dir=b0f0&.dnm=e1a3.jpg&.src=ph

Watch out on the Front Door the unlock button has a plug that needs to be removed before sliding the cover out
http://pg.photos.yahoo.com/ph/asvfs/detail?.dir=b0f0&.dnm=b7ff.jpg&.src=ph

5) Insert a flat-bladed tool at the top of the trim cover and pry out to remove the cover. (I was able to do this by hand without a screw driver)
http://pg.photos.yahoo.com/ph/asvfs/detail?.dir=b0f0&.dnm=33cf.jpg&.src=ph

6) Remove the door trim panel screws (2).
http://pg.photos.yahoo.com/ph/asvfs/detail?.dir=b0f0&.dnm=ada9.jpg&.src=ph

7) Now you are ready to remove the door panels. I just grabbed the handle and gave it a good tug to pop out the snaps. Once you get the sides and bottom of the panel free just life up a tad on the handle and that should get the top unhooked. Be careful on the front door trim around the power mirrors.

Front Door;
http://pg.photos.yahoo.com/ph/asvfs/detail?.dir=b0f0&.dnm=792e.jpg&.src=ph

Back Door;
http://pg.photos.yahoo.com/ph/asvfs/detail?.dir=b0f0&.dnm=52d9.jpg&.src=ph

Front Door;
8) Remove gold screws to release 6.5" speaker
http://pg.photos.yahoo.com/ph/asvfs/detail?.dir=b0f0&.dnm=84c5.jpg&.src=ph
http://pg.photos.yahoo.com/ph/asvfs/detail?.dir=b0f0&.dnm=57b8.jpg&.src=ph
A. I had to remove the black mount to get more slack for the positive and negative wires.

9) Install new speaker
http://pg.photos.yahoo.com/ph/asvfs/detail?.dir=b0f0&.dnm=8986.jpg&.src=ph

Back Door;

10) Back speaker is 5.25", front mounted and part of the door panel
http://pg.photos.yahoo.com/ph/asvfs/detail?.dir=b0f0&.dnm=52d9.jpg&.src=ph

11) You will need a GM Harness Adapter so your not cutting your factory wire harness
http://pg.photos.yahoo.com/ph/asvfs/detail?.dir=b0f0&.dnm=d352.jpg&.src=ph
A. I bought this at Circuit City

12) Now put everything back together

Very easy install and I cannot believe how improved the sound is. I never realized how bad the factory speakers are until now.

Just in case you want to know I used Infinity Reference 6012i in the front doors and 5012i in the back.
 

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Good stuff. Nice pics. Did you sound deaden the doors or door panels at all? Do still get loud off these new speakers (I assume the new speakers are 4 ohm, heard somewhere that the stock speakers are 1 ohm)? Is there any way you can measure the impedance of the stock speakers with a multimeter? Sorry for all the questions! Thanks for any response!
 

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Discussion Starter #4 (Edited)
LV_V said:
Good stuff. Nice pics. Did you sound deaden the doors or door panels at all? Do still get loud off these new speakers (I assume the new speakers are 4 ohm, heard somewhere that the stock speakers are 1 ohm)? Is there any way you can measure the impedance of the stock speakers with a multimeter? Sorry for all the questions! Thanks for any response!
Nope... Had I thought about it before I finished prolly would of been a good idea :) I even have some left over material :( Really easy to get the panels off I will do that next weekend. Speakers sound really good... The tweeters in front are a little over powering so I just shifted the sound to the back a turn and it evened everything out. The guy at Cicuit City told me that my tweeters on the Infinity's would not work because bose is 1 or 2 ohm but they work perfect. Nice sharp treble, voice and good bass even. If I am doing it right the speaker is showing 2ohm. Hopefully someone knows for sure.
 

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You may be softly killing your amp by presenting a higher resistance. It needs to drive harder and will overheat. that is a possible downside.

If you really want to replace speakers and match Bose junk in impedence, go with Infiniti Kappa (2005 design). These are all very low impedence... I replaced all of my speakers in my bose setup in my Infiniti G35 - the difference is tremendous and I matched my ohms.

Best,
Peet
 

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I am looking to match ohms with the existing stock speakers - Peet, did you buy the Infinity Kappas on-line? If so, where? I did a google search without much luck (lots of bogus search results).
 

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Discussion Starter #7 (Edited)
Peet said:
You may be softly killing your amp by presenting a higher resistance. It needs to drive harder and will overheat. that is a possible downside.

If you really want to replace speakers and match Bose junk in impedence, go with Infiniti Kappa (2005 design). These are all very low impedence... I replaced all of my speakers in my bose setup in my Infiniti G35 - the difference is tremendous and I matched my ohms.

Best,
Peet
I have never seen it happen but have been warned about it before. Has anyone ever burned up an amp because of different ohm speakers? If it will burn my amp up I will need to get the Kappas and ebay the reference.
 

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Those are the speakers! They sound great, are very well priced and just drop right in.

FWIW, usually the heating problem is when the speaker ohms are lower than what the amp is designed for... for example, a 2 ohm speaker on an 8 ohm amp. The reverse causes volume issues (4 ohm speaker, 2 ohm amp). But you can never be too safe.

Oh yea, I bought mine on ebay - the seller was latha112 .. http://search.ebay.com/_W0QQfgtpZ1QQfrppZ25QQsassZlatha112 I highly recommend him. I bought one ebay auction and have bought from him seperately since (as well as referring others).
 

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Peet said:
You may be softly killing your amp by presenting a higher resistance. It needs to drive harder and will overheat. that is a possible downside
I don't know where you got this info, but it is WRONG.:thepan:

Lower impedances cause more current flow. (E=IR)

Following your logic a short would be the best loading, and an open circuit would be the worst.

Obviously not true.
 

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yea yea yea... heavy, like I said, SOMETHING LIKE THAT... and corrected it in the follow up. Either way, mismatched impedence sux.

Higher current flow, lower current flow - no matter either one is bad when it goes past the parameters of the driver.
 

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Higher impedance does not effect the driver, only the amp; it will actually allow the amp to run cooler and with less distortion. The ONLY ill effect would be a lower overall volume produced because of the volume knob topping out on the cd player/nav unit.
 

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Sorry to be a techno nazi Peet!:dammit:

I spent a long time in the audio industry before I went into errorspace.

Thanks for the pics and instructions on the speaker replacement Cad V, but one question.

Why did you use a 6 inch rather then a 6.5 inch in the front?
 

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Ohms aren't the only consideration (and yes, higher ohms are easier on the amp), speaker efficiency is important. If you have a 2 ohm speaker, and a 4 ohm speaker, and the 2 ohm is rated at 86 db sensitivity and the 4 ohm is rated at 92 db, you'd have just about equal volume (pressure level) output.

I'm rating for my speakers to arrive, I'm going to modify the back panel to use 6.5" so that it's the same in all four doors.
 

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I think I just found my next upgrade!

Can someone confirm that the parts numbers listed are OK. I don't want to find a post later saying "oops this will blow your amps", etc.

If these directions are good, I'm a go!
 

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Hey Peet I'd like to go ahead and get those Kaapa's. Can you put me in touch with this guy direct or do I need to go thru the site. I'm jst tryig to get you any perk for putting me on to the speakers. $24.00 dollar shipping from Texas to me seems a tad excessive however. Great price thats listing for them however. PM me if you like or let me know here. Thanks!
 

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Peet said:
If you really want to replace speakers and match Bose junk in impedence, go with Infiniti Kappa (2005 design). These are all very low impedence... I replaced all of my speakers in my bose setup in my Infiniti G35 - the difference is tremendous and I matched my ohms.
Back in March I contemplated doing the same to my CTS using Infinity Kappa, possibly the component speakers. On their website there was a link for application help. When I asked them about impedence on this line their e-mail said:

"All of our Kappa and Reference loudspeakers including the component series are 4 ohm impedance loudspeaker including the individual drivers for the Kappa 50.5cs."

I'm encouraged by the above post and may revisit this. Great post, thanks for the write-up.
 

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Just bought all the speakers off eBay. $188.86 delivered for all 4. Can't wait to install them. Thanks again for the info'.
 

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Discussion Starter #20
ctsvett said:
I put this info on the FAQ... But I did put a warning about matching OHMs on the speakers just to let eveyone know of POSSIBLE problems (low volume, or blowing an amp, whatever!).

http://www.cadillacfaq.com/faq/answers/doorspeakers/index.html

NICE writeup!

Reed
Hey Reed only one problem on the page you created. Step 7 the back door pic is actually of the front door just with the speaker removed showing the wires. The back door speaker picture is actually the picture on step 10. Also because of the possibility of burning out my amp I took out the speakers from the article and I ordered Infinity Kappa 63.7i and 52.7i to match the 2 ohm stock amp.
 
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