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Need Speaker Placement Help

Old Dec 31, 2000 | 01:57 AM
  #1  
1989CamaroRs's Avatar
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From: Fairfax, va, us
Need Speaker Placement Help

<img SRC="http://albums.photopoint.com/j/View?u=1370591&a=10220207&p=36644542" height=181 width=277>
would this be a good setup? or should the tweeter and woofer be closer together

------------------
-Stock Tbi 305 with a lot of damn miles
-Edelbrock Z28 TES Headers
-3 inch Catco High Flow Cat
-3 inch Edelbrock Catback
-SSM Subframe Connectors

Stereo
-Pioneer DEH-P4100 cd player
-Polk Dx9 6x9s
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Old Dec 31, 2000 | 09:38 AM
  #2  
Jim85IROC's Avatar
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From: Readsboro, VT
Car: 85 IROC-Z / 88 GTA
Engine: 403 LSx (Pending) / 355 Tuned Port
Transmission: T56 Magnum (Pending) / T5
Axle/Gears: 3.42 / ?
Not only should the woofer and tweeter be much closer together, the tweeter needs to be substantially farther forward. Having the tweets that far back will give you the 'headphone' effect and will destroy any possibility of an accurate soundstage. In my firebird (manual windows) I had the mids in the bottom front of the doors and the tweets right near them in the kick panels. It sounded good and imaged well. But, because my IROC had power windows (as does your TA) I would have had to build the doors out a mile to accomodate the speakers, and I didn't want to do that. Insead, I built custom kick panels to hold my mids and tweets, and I'm extremely happy with the sound. The soundstage is very accurate and stable from both front seats.

------------------
The IROC Homepage
<A HREF="http://www.rit.edu/~jli4307/camaro" TARGET=_blank>
View the restoration of an 85 IROC</A>
"I didn't know a bored out Ford could go so slow" -Shenandoah
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Old Dec 31, 2000 | 11:43 AM
  #3  
1989CamaroRs's Avatar
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i just thought the tweeter was supose to point at your ear...anyway so would it sound good if the tweeter was straight above the woofer

------------------
-Stock Tbi 305 with a lot of damn miles
-Edelbrock Z28 TES Headers
-3 inch Catco High Flow Cat
-3 inch Edelbrock Catback
-SSM Subframe Connectors

Stereo
-Pioneer DEH-P4100 cd player
-Polk Dx9 6x9s
Reply
Old Dec 31, 2000 | 04:47 PM
  #4  
Jim85IROC's Avatar
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From: Readsboro, VT
Car: 85 IROC-Z / 88 GTA
Engine: 403 LSx (Pending) / 355 Tuned Port
Transmission: T56 Magnum (Pending) / T5
Axle/Gears: 3.42 / ?
Yes, you should have the tweeters point at you, but if they are behind you, that's where the sound is going to come from. If that type of thing is what floats your boat, then by all means feel free to put them there, but if you want the music to come from up front like the recording engineers intended, that's where your sound has to come from. To achieve that, your drivers need to be near each other, and out in front of you. A second benefit to having them farther forward like in the kicks is that the path length from the left and right drivers is more closely equalized, so your image is better yet.

Placing the mids as high in the doors as you have shown is also going to have a negative effect for the same reasons. The path length is going to be skewed and you're going to start getting the 'headphone' effect.

------------------
The IROC Homepage
<A HREF="http://www.rit.edu/~jli4307/camaro" TARGET=_blank>
View the restoration of an 85 IROC</A>
"I didn't know a bored out Ford could go so slow" -Shenandoah
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Old Dec 31, 2000 | 06:42 PM
  #5  
1989CamaroRs's Avatar
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well that was my other option...the kick panels, i was gonna buy some of the panels from nextgen for the bose system. if i were to get componet speakers were would be the best tweeter location?
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Old Dec 31, 2000 | 09:26 PM
  #6  
1989CamaroRs's Avatar
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ok so if i did go with door speakers would these be the best locations
<img SRC="http://albums.photopoint.com/j/View?u=1370591&a=10220207&p=36715428" height=181 width=277>

------------------
-Stock Tbi 305 with a lot of damn miles
-Edelbrock Z28 TES Headers
-3 inch Catco High Flow Cat
-3 inch Edelbrock Catback
-SSM Subframe Connectors

Stereo
-Pioneer DEH-P4100 cd player
-Polk Dx9 6x9s
Reply
Old Jan 1, 2001 | 01:41 PM
  #7  
Jim85IROC's Avatar
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Joined: Jul 1999
Posts: 13,579
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From: Readsboro, VT
Car: 85 IROC-Z / 88 GTA
Engine: 403 LSx (Pending) / 355 Tuned Port
Transmission: T56 Magnum (Pending) / T5
Axle/Gears: 3.42 / ?
Those bose kickpanels are going to still require major fabrication to make a pair of separates work. You might as well start with normal kick panels. Getting everything to fit into the kicks is pretty tricky and can require some pretty extensive skills. For $200 you can buy pre-made Q-Forms kick panels that are designed to accept a set of 5 1/4" separates. They are pricey, but they are easy. Another route is to make your own. Like I said above, you need some skill here, or you could have a car audio shop make them, but they would charge between $400 and $600 for them. Here is a picture of mine:



------------------
The IROC Homepage
<A HREF="http://www.rit.edu/~jli4307/camaro" TARGET=_blank>
View the restoration of an 85 IROC</A>
"I didn't know a bored out Ford could go so slow" -Shenandoah
Reply
Old Jan 3, 2001 | 01:39 AM
  #8  
1989CamaroRs's Avatar
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From: Fairfax, va, us
thanks jim
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