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Old 08-24-2019, 05:11 PM   #1
NewShockerGuy
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Member#: 40736
Join Date: Jul 2003
Chapter/Region: MAIC
Location: Pittsburgh, PA / FairFax, VA
Vehicle:
2005 WRX STI
Aspen White

Arrow Quick question on 2005 STi speaker replacement

Had some dents removed from my 05 STi and have the door panels removed and since things are apart figured might as well upgrade the speakers.

Note that this is the factor speakers front and rear but I did replace the headunit 7+ years ago to an Avic d3.

My question is the following. I know I need speaker adapter spacers. Was going to pick up this kit from IAtuning:
https://iatuning.com/products/subaru...-front-rear-v1

When I am on crutchfield I see that I can replace the speakers with component (I take it that is what I have now since I have a smaller woofer in the front door and tweeters by the door handle). I am noticing that the component speakers that are sold on crutchfield have a small box (cross over?)that the speaker wires go into... Are these needed since the car was already wired for component speakers in the front?

I take it I can just replace the rear speakers with normal coaxial as well since the rears are that.

Not looking for anything crazy, it's just something to do while the car is apart honestly. Probably get some focals or something like that.

Thanks,
-Nigel
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Old 08-24-2019, 05:54 PM   #2
Blktrax
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2002 WRX 223K Mi.

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The factory tweeter is fine matched to a 2/3-way coaxial. Fitment can be a PITA for aftermarket tweeters in the door unless you don't mind cutting up your panels to relocate.

Besides the whole topic of Ohm's mixing and matching speakers. Unless you're going for SQL or SPL, just a set of Pioneer front and rears for $50 a pair is plenty.

Plus Crutchfield includes the mount rings for the front and direct plug adapters for all 4 speakers in the price.
Pioneer's are my budget go to speaker, without a 4 channel.
Infinity kappa's (being replaced by the Reference line) are my mid-range choice. but usually gonna require a 4 channel to power them. Based on your D3 at 22W x 4 RMS, you would need one.

Last edited by Blktrax; 08-24-2019 at 06:11 PM.
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Old 08-24-2019, 06:15 PM   #3
NewShockerGuy
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Location: Pittsburgh, PA / FairFax, VA
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2005 WRX STI
Aspen White

Arrow

Appreciate it. So I should leave the factory tweater in place then?
Just replace front and rear lower speakers.

This is my front speaker that I just popped out to look at:
I always thought it was a component speaker since it didn't have the two way looking tweeter on the front like other speakers I've seen.

I was going to go with those spacers only because everyone said go to the 6.5" speaker in the front for an upgrade, and for to a 5.25" in the rear since it would fit as well. But definitely open to whatever works best honestly. The entire car is loud due to a catless tbe, race bushings/mounts..etc.





Appreciate the help!

Thanks,
-Nigel
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Old 08-24-2019, 06:26 PM   #4
Blktrax
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The stock is technically a Component setup without a crossover, just wired in series, but the factory tweeter is calculated combined load for the factory internal amp. Since you've replaced the factory head unit you've got more power.

The 5-1/4" front and 4" rear Pioneer TS speakers will work fine with your head unit without an external AMP. The 6-1/2" speakers have larger magnets witch are a window glass clearance issue unless you space them out custom (again cutting door panels), and require more power.
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Old 08-26-2019, 10:55 AM   #5
NewShockerGuy
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Awesome! Thank you for the help! I am going to go that route that you recommended. If I had an OEM sub under the seat then I could get the bigger speakers but in all reality I'm not looking to add one or wire one in.

Just for my clarity would I be keeping the factory tweeters when I upgrade these speakers or am I removing them?

Thanks again,
-Nigel

Last edited by NewShockerGuy; 08-28-2019 at 06:38 AM.
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Old 08-26-2019, 09:08 PM   #6
Blktrax
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Quote:
Originally Posted by NewShockerGuy View Post
Awesome! Thank you for the help! I am going to go that route that you recommended. If I had an OEM sub under the seat then I could get the bigger speakers but in all reality I'm looking looking to add one or wire one in.

Just for my clarity would I be keeping the factory tweeters when I upgrade these speakers or am I removing them?

Thanks again,
-Nigel
Leave them hooked up and listen before you put the door panels back on. (Cut the bass or listen to something classical) Then try unplugged and the mains will get louder, but then the soundstage shifts. Completely your preference, but either way will work.


My go-to for mid high speaker testing.


Last edited by Blktrax; 08-26-2019 at 09:16 PM.
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