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Full Version: Where should I place my tweeters for best performance?
Mobile Electronics Australia > Mobile Electronics Discussion > Sound Quality Discussion
joey_kev
Hi,

I finally upgraded my Focal splits to Dyn 240GT :hehe:

at the moment the Dyn has been installed with tweeters mounted down in the kick with angle, it has been a few days (still under the break in period :x ) and I was thinking to put the tweeters up in the pillar...as I used to have my focal tweets in the pillar but the guy would charge me another $100-$150 to put it up in the pillar

I have been told by my installers (and some mates) that putting the tweets up in the pillar would make a big improvement in term of imaging and staging...

But I've done some research and found some interesting statements:
QUOTE
The problem with mounting tweeters up high (e.g. on the sail area on the door) is this:
Think about the position of your ears in relation to the tweeters. One speaker is belting the high pitch tunes out about two feet from your right ear where as the left tweeter is triple that distance away. The stage has no choice but to be right out the right window. Sheer laws of physics govern this fact. Now if you place the tweeters down in the kick panels then the right speaker distance is about three feet and the left speaker is about three and a half. The problem is not eradicated but it becomes a lot less noticeable as the distance separation is reduced.  


QUOTE
Kick Panel Mounting
The kick panels in most cars, place the speakers the furthest away from our ears, compared to the doors or dash, where the nearside speaker will be very close. This kick panel mounting is said to be more equidistant than door mounts, as both speakers are closer to the same distance away, from our ears. This is closer to a home set up where we can sit in the exact middle of speakers to maximise the stereo effect, and be same distance from left and right speaker. Putting the speakers just in the kicks is not all there is too it, as the angle and position have a significant effect on imaging/staging.


QUOTE
It has been proven that imaging is primarily related to the midrange positioning and placement, while the tweeters add life, ambience and a sense of space to the sound stage. More important, in order for the sound to be totally correct, dynamic and transparent, it is recommended that the tweeter and woofer be mounted close to one another.
- quoted from www.dynaudio.com

Based on the quotes above seem that placing tweets down in the kick is the best place to get best results

so back to my question: Where should I place my tweeters for best performance? (up in the pillar or down in the kick)

note it would cost me another $100 to modify my pillars to mount the tweets

Thanks!
pingpong
doesn't really matter, depends on your preference.

With pillar mounting you lose some of the equidistant benefits of kick panel mounting, you might end up with driver seperation and depending on the tweeter (dyns probably not) might be a little to in your face

but you may gain some stage height, and theres no need to worry about it sounding crap when theres people in the passenger seat

Reverse for kickpanel mounting as a general guide.

Is there any easy way to disconnect the tweeter and temporarily place it in the pillars, just to see which one you prefer?
icacha
both

kicks for mains

A-pillar for ambients
HighPingBastard
The problem, I think, with mounting the tweets in the A-pillars is that the A-pillars are too close which results in a much narrower soundstage.

However, the kicks are also often obstructed by your feet during driving and this can also affect performance....

I think someone once said that Car Audio is basically just a compromise and that every single position you can mount it in would be less than ideal. After using my tweets in the A-pillars for some time, I'd say that kicks are less of a compromise.

You could do what ICACHA said, though, and have another set of ambient tweeters.
0{noidea}0
Well, i always like the dynaudio MD100 tweeters placed on the Pillar rather than kick. And i believe they sound better that way ! mayB they are a soft dome tweeter and warmth detail somehow install in kick is so difficult to raise the staging.

Yes, I have try it with different angel on the kick. I just don't get the warmth and vocal in ur face that kinda feeling under the kick. where as once i move them to the pillar the staging is better and the vocal clearity definately improve. When u close ur eyes u can feel that the singer is just infront of you.

eg. i can't hear the lips separate when the singer is open her mouth under the kick. But on pillar i can hear the singer lips sound. (well, u know what i mean).....
l3v4d
yeah i totally agree with no idea here...

as far as i know from my experience, the best thing to mount md 100 tweeter is on the pillar.
(i'm not too sure with other splits).
since dyn audio tweeter is a soft dome i would always place it on the pillar.

i've listen to my friend's dynaudio system in his audi tt which he placed the md 100 tweeter far down in the kickpanel.

from my opinion it would have a problem while u r driving because sometimes ur feet is blocking the sound and the sound isn't as detail as if they were placed on the pillar.

i reckon it sounds much more detail and it's true u would feel the singer is just in your face.
B /// M poWer
QUOTE (noidea)
Well, i always like the dynaudio MD100 tweeters placed on the Pillar rather than kick. And i believe they sound better that way ! mayB they are a soft dome tweeter and warmth detail somehow install in kick is so difficult to raise the staging.  

Yes, I have try it with different angel on the kick. I just don't get the warmth and vocal in ur face that kinda feeling under the kick. where as once i move them to the pillar the staging is better and the vocal clearity definately improve. When u close ur eyes u can feel that the singer is just infront of you.

eg. i can't hear the lips separate when the singer is open her mouth under the kick. But on pillar i can hear the singer lips sound. (well, u know what i mean).....


AGREE ! biggrin.gif that's what exactly happened to me

for your install, it really depends on the car's interior structure, like how high/low/depth is your upper and lower dash, angle of windscreen and A-pillar against your dash, the more the room the lesser the chance to block and reflect the sound off the tweeters. just like mine, I installed the tweet and mid at kick but there was no way to achieve good SQ no matter how I angle them unless I move the tweete up A-pillar. after the A-pillar setup I noticed the sound is more clear / better imaging and like what noidea said.

I prefer u pick some of your favorite tracks and prepare some blue-tac and extra long wire to play with them. different car with different component will have different effect and result. sounds like I'm bullcraping but u wont know which is the best for u b4 u test them all out, + different ppl would have different preferences.

it's worth to try the A-pillar setup if u couldnt get what u expect in the kick, I know u want some short-cut and save some $ but u might be wasted the potential of your expensive dyn. I think that's the way to SQ setup with no exceptions, doesnt like SPL which's more easily to achieve by $. maybe that's the reason we got into SQ, an interesting reason. possibly not for others, but at least I am.
joey_kev
BUT if the tweeters are too far from the midrange, such as high in the A pillars or on the dash you'll hear the tweeter faster than the mid, which will take away from the midrange...is it not??

I will give it a go anyway and see how it goes
jas
try a pillar or corner of windshield

i have heard a great car in the usa using german made drivers using 6db/oct with soft dome. Very veyr impressive 2 way front stage with 6.5inch mid heavily angled in the fornt bottom door trim and the tweeter in the a pillar. VERY VERY impressive

check your pm too smile.gif

cheers jonathon
Damo95
i mounted my dyn splits in the stock locations in my VS..
mid in the door, behind the factory pod/map pocket..
tweeter on top of dash, in corner of windscreen and a-pillar..

to me, and a few others, this sounds best..
because of my hearing disability, i cant really tell the difference, but if you want to have a demo, your more than welcome to 't' something up with me.. smile.gif

i originally had the tweeters mounted in the door pods i had, and for some reason, it sounds better where it is.. and its easier too, as the VS's come with stock tweeters in the top of the dash altho i surface mounted mine.. smile.gif
jas
QUOTE (Damo95)
i mounted my dyn splits in the stock locations in my VS..
mid in the door, behind the factory pod/map pocket..
tweeter on top of dash, in corner of windscreen and a-pillar..  

to me, and a few others, this sounds best..  
because of my hearing disability, i cant really tell the difference, but if you want to have a demo, your more than welcome to 't' something up with me.. smile.gif

i originally had the tweeters mounted in the door pods i had, and for some reason, it sounds better where it is.. and its easier too, as the VS's come with stock tweeters in the top of the dash altho i surface mounted mine.. smile.gif


damo id too like to listen to the system now its going smile.gif

btw did you get the email i sent you regarding your sub???

cheers jonathon
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