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Tweeter postioning for splits


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#1 mercury madness

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Posted 28 June 2006 - 11:42 AM

Hey just wondering if anyone can help me I currently have pioneer ts-c160r splits in my ute. The tweeter is installed in the lower door now I have heard that the tweeter should be placed up high in the A Pillar. Can anyone tell me where is the best place to put the tweeter and why????

Cheers

James

#2 The Don

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Posted 28 June 2006 - 11:52 AM

2 options

- if you have a deep dash, put them in the corners close to the window, but not facing the window.
- try kick panel, in the corner closest to the firewall, but you may need to incorporate ambients to lift the stage a little.

#3 Juls

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Posted 28 June 2006 - 12:33 PM

The placement of the tweeter really depends on where the midbass is,

if the midbass is Low in the door,
then low mounting the tweeter with the midbass will provide better stereo image,
however staging could be a bit low.

if your midbass is high or midway up the door, then up on the dash is probably going to be more suitable.

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#4 Pulse-R

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Posted 28 June 2006 - 04:50 PM

I had these woofers and tweeters mounted in the kicks, seem to work fine.
If you can/want to then boost the 2kHz to lift the sound stage.
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#5 fuddbutter

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Posted 28 June 2006 - 05:19 PM

there is no "one spot" for tweeters, each tweeter and each car are different.

best if you sit there with some bluetack and move them around the car and see where is the best.
also your mid's and tweeters dont need to be next to each other, it is a bandwagon myth that anyone without experiance jumps on.
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#6 mercury madness

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Posted 28 June 2006 - 06:46 PM

Thanks for all the info so far guys I appreciate your help.

Edited by mercury madness, 28 June 2006 - 09:49 PM.


#7 Gordo!

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Posted 28 June 2006 - 08:53 PM

fuddbutter, on Jun 28 2006, 05:19 PM, said:

best if you sit there with some bluetack and move them around the car and see where is the best.

I tried doing that with Supremos... Lots of blutack needed :P

#8 Juls

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Posted 30 June 2006 - 08:56 PM

fuddbutter, on Jun 28 2006, 03:19 PM, said:

also your mid's and tweeters dont need to be next to each other, it is a bandwagon myth that anyone without experiance jumps on.

The reason this is suggested is to avoid the posibility of separation, Or time delay issues (or phasing i think it's called)

having the tweeters apart from the midbass is perfectly ok, as long as the tweeter is mounted in equivalent distance from the listener from the listeners ears as the midbass. Otherwise the closest speaker is heard before the furtherest, creating a echo or phasing effect. Often tweeters which are mounted high are mounted much much closer to the listener creating a overly loud high end, which is almost impossible to attenuate without heavily damaging staging and stereo image. the only way this can be somewat corrected is with separated Time alignment, but the system would have to be active to achieve this.

so what you said is somewhat true, but it only applys when the tweeter position is "properly" thought out.

The easiest way to achieve good imaging is to just mount the tweeter next to the mid, but staging might not be ideal depending on the location of the mid.

For anyone reading this not understanding me.

Staging refers to how high or how far away your whole audio sounds. Or "where" your Soundstage is.
IE: does your sound, sound like it's all on the bonnet, or on the dash, or worse behind you.

Image refers to how well the audio sounds completely left, Centre and Completely right.
IE: is your singer in front of you in the middle of the dash/bonnet, and is the left and right specific audio properly separated.

Juls
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#9 ProClass

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Posted 30 June 2006 - 09:25 PM

fuddbutter, on Jun 28 2006, 05:19 PM, said:

there is no "one spot" for tweeters, each tweeter and each car are different.

best if you sit there with some bluetack and move them around the car and see where is the best.
also your mid's and tweeters dont need to be next to each other, it is a bandwagon myth that anyone without experiance jumps on.
I have almost 30 years of experience and I'll jump on that band wagon right now.
There are dozens of reasons that support the idea of speakers being close to eachother and only one that supports why it is not important. Simply put, in the car environment it is difficult to do so. No it is not a myth. Its just difficult to do in a car.

The best advice I can offer has already been given. A little blue tack, a meter or two of wire and play with the position and pick the one that sounds best to you. The idea is to bring as much of the sound stage up as high as possible without point sourceing the tweeters. Listen for a good blend between mids and tweeters and try to find a spot where it sounds like only one speaker.
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#10 Juls

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Posted 01 July 2006 - 03:13 PM

ProClass, on Jun 30 2006, 07:25 PM, said:

I have almost 30 years of experience and I'll jump on that band wagon right now.
There are dozens of reasons that support the idea of speakers being close to eachother and only one that supports why it is not important. Simply put, in the car environment it is difficult to do so. No it is not a myth. Its just difficult to do in a car.

The best advice I can offer has already been given. A little blue tack, a meter or two of wire and play with the position and pick the one that sounds best to you. The idea is to bring as much of the sound stage up as high as possible without point sourceing the tweeters. Listen for a good blend between mids and tweeters and try to find a spot where it sounds like only one speaker.
Cheers


I would agree.

I guess my advice to anyone, is to start by measuring the distance from the midbass to there ear, and try to find a Higher position that has a "equal distance" find all those potential positions in front of you and start from there, a few cm either way is ok too. If your unable to find a suitable high position then a next to the midrange position may be the best option in your vehicle.

I think it's very silly to suggest that you can just slap a tweeter anywhere, it's a bit misleading and leads people to simply place tweeter in the "simplest" location.

I've seen idiot diy people stick there tweeters behind there heads.. That proves my point in one!

Juls
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#11 gooki

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Posted 02 July 2006 - 07:53 AM

My general rules for tweeter mounting:

1) Drivers on the same plane tend to stage better.

2) Already mentioned but - keeping the drivers close together tends to reduce speaker speration.

3) If the (2) can't be achieve try and keep them (driver + tweet) equal distances from the ear.

4) Mount them as far away (forward and left/right) from you as possible, while conforming to the above.





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