Crutchfield say none of the 4x6 speakers they sell fit the stock pillar location. Can anyone tell me what fits and if they put any of the listed nonfitting speakers into this location. John
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11:57 PM
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Dec 16th, 2007
Mr.PBody Member
Posts: 3172 From: Cincinnati, Ohio, USA Registered: Oct 2006
Really? You can't have a super deep speaker but sometimes the holes don't line up and you have to dremel the holes different or a bit bigger sometimes. I used Pioneer TS-G4641R's, I got them from www.partsexpress.com cheaper than walmart. Not the highest end sound, but easy on the wallet and they fit my car fine.
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12:09 AM
Xanth Member
Posts: 6886 From: Massachusetts Registered: May 2006
In addition to depth, watch out for plate speakers with a seperate Tweeter and Woofer. The offset woofer magnet may hit the edge of the cutout if you attempt to install the speaker in the stock configuration.
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"If any car is both the parade and the rain, it is the Fiero"
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12:12 AM
KaijuSenso Member
Posts: 911 From: Westland, MI Registered: Jan 2007
The standard coaxial 4X6 ovals will fit with no problem. Some of the higher end, higher power ones have deep magnets and you can add a spacer plate if these are the speakers you want to use. Depending on how much room you need, The sail panel might bulge a little but should look fine. As for the 4X6 plates that use a 3.5" woofer and a seperate tweeter, They will fit but you do need to do a little cutting/bending of the metal for the magnet because it is offset from the center and the hole in the metal is oval. A third option is to make a spacer plate that is the same thickness as the stock one then install a 4" round speaker with a seperate tweeter like I did:
Plates will work fine, but you have to be aware of the magnet sizes - large magnets will cause fitment problems. This also applies to co-axial 4x6 speakers. I have Infinity plates and they work fine. Others say Infinity's don't work. Infinity and other companies usually make more than one model of speaker and sometimes their magnet sizes will be quite different.
Compare the Infinity Reference 6422.CPF magnet
to the Infinity Kappa 4627.CPF magnet (Neodymium motor structure with integrated heatsink)
------------------ 3.4L S/C 87 GT www.fierosound.com 2002/2003/2004 World of Wheels Winner & Multiple IASCA Stereo Award Winner
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09:05 AM
fierosound Member
Posts: 15198 From: Calgary, Canada Registered: Nov 1999
Plates will work fine, but you have to be aware of the magnet sizes - large magnets will cause fitment problems. This also applies to co-axial 4x6 speakers. I have Infinity plates and they work fine. Others say Infinity's don't work. Infinity and other companies usually make more than one model of speaker and sometimes their magnet sizes will be quite different.
Compare the Infinity Reference 6422.CPF magnet
to the Infinity Kappa 4627.CPF magnet (Neodymium motor structure with integrated heatsink)
The Reference series has smaller magnets. The Kappas have the larger magnet with the heat sink which makes the speaker deeper. Some of the older kappa series do not have the huge magnets but they have been out of production for a while now.
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06:31 PM
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tjm4fun Member
Posts: 3781 From: Long Island, NY USA Registered: Feb 2006
I put Infinity Refrence on all 4 corners. I bought 2 prs at Best Buy for 150.00 (buy 1 get 1 50% off). I put i pr in the pillar behind seats and replace the 4x10 in the dash. Pretty good sound for unit powered speeks.
They are 4x6 plates
[This message has been edited by emsdad (edited 04-29-2008).]
whatever you do, do not buy pyle 4 x 6 (X gear). There magnets are hugeeeeeee! and you will have to rip through the steel frame in order to make them fit. Although time consuming, but the sound is absolutely amazing, crisp, and powerful.
I am an idiot as far as radios go, so if this is stupid forgive me;
How do these new speakers your talking about work with the factory radio and a little off topic is there a factory (Delco) radio that will fit in the existing hole that has a cd player? What is required in swapping it out? I have read about codes and such and that kind of scared me off. I just don't like the look of aftermarket radios, they just don't look right in the space.
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09:20 AM
fierosound Member
Posts: 15198 From: Calgary, Canada Registered: Nov 1999
... is there a factory (Delco) radio that will fit in the existing hole that has a cd player? What is required in swapping it out? I have read about codes and such and that kind of scared me off. I just don't like the look of aftermarket radios, they just don't look right in the space.
Just about any pre-2001 GM Delco unit will fit with harness adapters. But Pontiacs will have the same red/orange lighting as the Fiero (Chev/Olds is green)
I looked up what I bought through my PayPal history. I bought the Infinity reference 462.1cf like these. They are 1-13/16" deep, most of the others are closer to 2" deep. Depth makes a difference, as well as how large the basket around the woofer is.
Looking through the Infinity stuff here, I see they have LOTS of 4x6. Type PLATE, then select a speaker and VIEW product, then Detailed Product Information on the next screen.
Kappa 462.3 CFP and 462.5 CFP have the least depth at 1-3/4", but the "plus sizing" of the woofer in the 462.5 may require enlarging the hole in the pillar for the speaker.
[This message has been edited by fierosound (edited 04-30-2008).]
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12:25 PM
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System Bot
fierosound Member
Posts: 15198 From: Calgary, Canada Registered: Nov 1999
I just bought an 85 GT. Are there pillar mounts on it? Also, is speaker magnet size a concern in the dash speakers?
84-85 had speakers in the headrests. It's doubtful the pillars will have the holes for speakers. For 86-88 they did away with those and installed them in the pillars. Note that you'll see the "odd" car out there, an 86 without pillar speakers for example.
I haven't heard of anyone having problems with magnet sizes in the dash. Some people have even installed 6"x9" speakers under there - though I'd expect it to be a little tight in the driver's side.
I looked up what I bought through my PayPal history. I bought the Infinity reference 462.1cf like these. They are 1-13/16" deep, most of the others are closer to 2" deep. Depth makes a difference, as well as how large the basket around the woofer is.
Looking through the Infinity stuff here, I see they have LOTS of 4x6. Type PLATE, then select a speaker and VIEW product, then Detailed Product Information on the next screen.
Kappa 462.3 CFP and 462.5 CFP have the least depth at 1-3/4", but the "plus sizing" of the woofer in the 462.5 may require enlarging the hole in the pillar for the speaker.
So between the different models is ~3/16" difference in depth? Wow. So 2" depth will not fit?
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06:11 PM
May 1st, 2008
fierosound Member
Posts: 15198 From: Calgary, Canada Registered: Nov 1999
Dont by the 4X6 plates form Infinity, they do not fit. The magnets ont eh back are to large to fit without cutting or some major spaceing. I put a set in and they do go behind the panels, but its a huge PAIN unless you are good at fabricationg stuff. I would say you need a 3/4 to 1" spacer to make them fit correctly. Or am I just not doing it right?
He never came back to tell us which model number he bought.
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01:29 PM
Fierotoyboy Member
Posts: 265 From: Rochester Hills, MI US Registered: Feb 2005
I looked up what I bought through my PayPal history. I bought the Infinity reference 462.1cf like these. They are 1-13/16" deep, most of the others are closer to 2" deep. Depth makes a difference, as well as how large the basket around the woofer is.
Looking through the Infinity stuff here, I see they have LOTS of 4x6. Type PLATE, then select a speaker and VIEW product, then Detailed Product Information on the next screen.
Kappa 462.3 CFP and 462.5 CFP have the least depth at 1-3/4", but the "plus sizing" of the woofer in the 462.5 may require enlarging the hole in the pillar for the speaker.
Many thanks fierosound. I will follow your lead with the 462.1cf .
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06:26 PM
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Austrian Import Member
Posts: 3919 From: Monterey, CA Registered: Feb 2007
Did anybody managed to fit Polk MOMO MC460 's into the 4x6 location?
I figure there might be some cutting involved for plates (or plates with large magnets), but is it actually possible to make them fit? Does anybody have installed pictures? (or a build thread?)
How do Polk MOMO's stack up against the new Infinity Kappa 4x6's anyways?
I heard abused MOMO's at Fry's Electronics one time, so I don't know what they actually sound like. The store's speaker wall sounded badly adjusted. (most the premium speakers sounded worse than the $20 cheapies, not to mention tons of "pushed in" domes from kids? pushing them in for the fun of it.)
I can't figure out which ones would sound better, MOMO's or Kappa's. Kappa's are 2ohm, MOMO's are 4ohm. So I don't know if I can even compare specs, or if it would be Apples to Oranges.
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07:52 PM
May 5th, 2008
sjmaye Member
Posts: 2468 From: Hendersonville, TN USA Registered: Jun 2003
I see many 462.xxcfp yadayadayada. I am looking for the 462.1cf as you noted, but can be hard to find. I can not make out the model number differences. Are any of the other 462 models the same?
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05:37 AM
fierosound Member
Posts: 15198 From: Calgary, Canada Registered: Nov 1999
I see many 462.xxcfp yadayadayada. I am looking for the 462.1cf as you noted, but can be hard to find. I can not make out the model number differences. Are any of the other 462 models the same?
I don't know what the new equivalent is - they have so many. You may have to email Infinity to see what the closest match in physical size would be.
Plates will work fine, but you have to be aware of the magnet sizes - large magnets will cause fitment problems. This also applies to co-axial 4x6 speakers. I have Infinity plates and they work fine. Others say Infinity's don't work. Infinity and other companies usually make more than one model of speaker and sometimes their magnet sizes will be quite different.
Compare the Infinity Reference 6422.CPF magnet
to the Infinity Kappa 4627.CPF magnet (Neodymium motor structure with integrated heatsink)
Just to put in my two cents, since a lot of people seem to be wondering if infinity fits, I have the exact same speakers as the first image here in my posts. Fit very nicely in my opinion
I have Polk Momo 4x10s in the dash and Momo 4x6 plates in the back. The 4x6 plates were a pain and had to do a little trimming and hammering but the sound is worth it. Im driving them with just a Alpine IDA-x001 and it sounds awesome. My son asked if I had put a sub it.
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12:21 PM
sjmaye Member
Posts: 2468 From: Hendersonville, TN USA Registered: Jun 2003
Just to put in my two cents, since a lot of people seem to be wondering if infinity fits, I have the exact same speakers as the first image here in my posts. Fit very nicely in my opinion
Bazooka- Thanks for that info. I just do not want to modify anything. With these you just bolt up, plug in, and put the b-pillar cover back on?
