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2005 STS4 1SG: GM Acc Lights, Corsa, Platnium Grille, Volant
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Discussion Starter · #1 · (Edited)
Fit Guide
NOTE More Years and Models will be added as I have time and chance to verify all the sizes listed below I myself have verified and fully trust.

Eldorado
1992-2002
Front Door Bose 4 Inch Non Bose 5.25 with 2 inch tweeter
Rear 6x9



Seville
1992-1997
Front Door Bose 4 Inch Non Bose 5.25 with 2 inch tweeter
Rear 6x9

1998-2004
Dash 3.5
Front Doors Bose 8 Non Bose 6.5
Rear Doors 6.5
Sub 12.5



Deville
1994-1999
*speakers may not be located in all locations but the holes and mounts are there*
*Center Channel 4x6 *
Front Doors 5.25
Front Door Panel 2 Inch
*Rear Door 5.25*
*Rear Door Panel 2 Inch*
Rear Self 6x9

2000-2005
Center Channel 3.5
A Pillars 2 inch
Front Doors 6.5
Rear Doors 6.5
Sub 10
 

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161 Posts
hey there master of all that is audio...I just wanted to know ..on the 96-02 eldo if Im pulling the bose speakers ,and the non bose was a 5.25 is there something I shoul;d know about putting 5.25 in the door like a spacer or something ...?thanks for all help past present and probably future
 

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1999 Eldorado ESC
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208 Posts
if I want to replace the factory speakers in the non-bose eldo, it as simple as buying new speakers and installing them? Are they traditional mounts, etc. Just want to make sure there is nothing custom about the way the factor speakers are installed...
 

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2005 STS4 1SG: GM Acc Lights, Corsa, Platnium Grille, Volant
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16,472 Posts
Discussion Starter · #7 ·
correct
nothing special at all
will bolt right in
best buy sells speaker plug connectors which will plug into the stock speaker clip and give you a + and - speaker terminal
 

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1999 Eldorado ESC
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208 Posts
cool, I actually was working on my caddy yesterday and seen that it seems like a standard port for 6x9s. To install them though I need to take out the back seats correct? I ran the amp to power them at least so right now I have the factory ones powered..haha, obviously dont sound too good so need to put some new ones in.
 

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Hey guys,

I am new to the group and will have more questions I am sure...I am already learning a lot here!...but for now, can you tell me if I can easily upgrade a 1996 Sedan Deville stock system to a Bose system? I have a '96 Deville that I am selling to my brother in law...I just bought another 96 Deville for a good deal. The "new" car is in better mechanical shape. The only problem is the one I'm selling has the better trim (soft-top, heated seats, and the BOSE system with12 disc changer)...I have a new after-market head unit with DVD and only want to swap the Bose amps and speakers if I can...if not I will have to shell out $$$ for a new system. Are all of the 96 Devilles prewired for the premium sound? Can I easily just remove and install the Bose speakers and the amp in my "new" Deville? Please let know....Again Thank you in advance!!!

STS2003 I am too new to PM you so I've posted this on three threads so far...hope to hear from you soon!
 

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Question about 2003 Cadillac CTS non Bose:

I know that it has a 5 1/4", can an adapter be had to upgrade to the 6 3/4" size of the bose system. I don't want the bose speaker, just to be able to fit a 6 3/4" speaker. Thanks!

Josh F
 

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9 Posts
I just bought a 2000 Deville DHS (has Bose) and I noticed in the 4 hours I drove in it on Saturday that the Bose system doesn't have the kinda bass response I've gotten used to get in my VW Touareg (Monsoon-kinda stereo)....and I was wondering what I could do to change that..without putting in a sub and all that. (I've done that plenty in the past..not looking to again)

I see the speaker size is said to be 6.5 at the start of this thread..but then on Crutchfield and on this same thread I see 5.25 mentioned. Per Crutchfield, a 6.5 can't fit in this spot. I'm not looking for modifications....so what is the deal? (confused)

Another question....if I buy after market speakers, how many watts per channel (on the Bose) is it powering..RMS? (I'd rather not have to buy an amp and all that if I can just replace the 5.25? speakers in my front and rear door with something better like JBL, Alpine, etc.

This spacer that got brought up....how much extra does that cost on install? If it's just something simple, I'd be open to it....if something costly..probably not. I paid $6000 (119k miles) for this vehicle and I'm not looking to make it a $$ pit.

Thanks for any thoughts or feedback.

-new member Witt
 

· Banned
2005 STS4 1SG: GM Acc Lights, Corsa, Platnium Grille, Volant
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16,472 Posts
Discussion Starter · #14 ·
if you want some more low end without a huge cost look into the infinity bass link
its a small self enclosed powered sub which will probably be just what your looking for...
 

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2005 STS4 1SG: GM Acc Lights, Corsa, Platnium Grille, Volant
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16,472 Posts
Discussion Starter · #16 ·
you want more low end
so youll replace your speakers....

speakers are not powerful enough nor designed to highly increase low end

if you want more bass youll need to add subs its that simple
especially since the stock amp will cut base at higher volume levels like its supposed to..
 

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As mentioned previously, I've had subs before (in 3 other vehicles)..I understand how bass works..lol.

I'm not looking to go the subs route as it's a pain, takes up space, and easily more $$.

Maybe I didn't ask this right....has anyone out there replaced the stock speakers in the front..and had good luck getting some better bass response in doing so? If so, which model of speakers, etc. (You can get better bass response without needing to add a sub)

I'm not looking to have a speaker on wheels....I'm just looking to upgrade the factory speakers..and trying to get a better understanding of how many watts per channel the bose system is putting out..
 

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STS,

I’ll amuse this idea just to see where it takes me. The “factory sub” in the vehicle, where is it located..I ask because I haven’t run across it yet. I assume it to be on the rear deck of the vehicle firing into the back window area. Surely it’s a tiny space, and obviously since I’m hearing poor bass with the system itself, it’s nearly going unnoticed. That said, what would be your exact recommendation for replacing that item..without modification? (I’m aware the Infinity unit has a built in amp..self powered..but I assume that it wont fit this application)

Back to the speakers….they suck. If I get some JBLs, Alpine, Infinity, etc….will the existing Bose amp(s) be ok to power those to improve sound? I’m not needing to be blasted out, I’m merely wondering if the Bose amplification would be enough to even provide weak power to after-market speakers? (I’m not looking to have new amps and all that)

Thanks.
 

· Banned
2005 STS4 1SG: GM Acc Lights, Corsa, Platnium Grille, Volant
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16,472 Posts
Discussion Starter · #20 ·
dead center in the rear deck
its a 10 inch free air sub
2 ohm
75-125 watts stock i believe

will the stock amp power them
sure
but its a 275 watt amp
figure 75 for the sub
thats 200 watts per channel at 1 ohm
so 50 watts per channel at 1 ohm
hook up a JL speak thats 4 ohms now your only using 12.5 watts
hook up a Infinity Kappa 2 ohm and now your only using 50 watts

and no one makes a 1 ohm speak other than bose.
 
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