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A little About Car Audio Systems - Diserable Features.

Wharfedale EVO4.1 Bookshelf Speakers

mvasu22

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Desirable features

1. Large, well-spaced buttons: The whole idea in operation a unit to have loarge buttons is to cause a minimum amount of distraction to the driver and his and attention on the road.

2. Large, informative display: Many drivers would like to have the complete info within a short span of time, so a large display gives a good snapshot of the metadata.

3. A generous power amp: Amps usually blow speakers, not the other way around. So a good AMP can be found by raising the volume over 50% and still able to hear clear amplication of the source sound. This is subjective and hence not dealing into it more.

4. Front loading CD changer: Prefernce is given to front loading since it is usefull even when there only a driver in the car. Usually the six-cd changers are all provided either in the back or in-the glove box.

5. Separate Tweeters: Although a system is not complete without a tweeter, this does not guarantee of quality sound, but without it the music doesn't sound any better. Also look for a good placement for the tweeters.

6. Separate subwoofer: Needless to say this feature gives you great thump for your buck. Also helps fill in the lower end on classical and more "refined" styles of music.

Installation tips

It is better to get the installation done by a professional but here is a simple list which you can give as a requirement.

1. Outside noise: While it is not possible to eliminate all the noise that a car can generate, there are ways to ease the problem. The first thing to do is to figure out from where the particular noise originates. The license plate frame is one of the first things to check out if there is a rattling noise. The resonance of the metal in the trunk can be reduced by using specially designed materials such as Dynamat lining on the inside of the trunk. Fused fibreglass is a cheaper alternative to Dynamat. The glove box is another source of rattling noise from the inside of the car.

2. Placement of the amplifier: The amp should be placed in a proper ventilated place., preferably on the side panel of the trunk without jamming access to the brake light assembly.


3. Speaker positioning: Speaker positioning is very critical for performance. It may seem to the lay person that the best position for the speakers are in the stock housings that came in the car. For e.g. On the door panel near the feet. There can be various positions tried out. The first thing to consider is the distance. If the right speaker happens to be closer, it'll sound louder. The best solution lies in figuring out a location where the sound will arrive at the same time, thus having no variance in the path length. This is one of the reasons why kick panels are mostly preferred.

For multiple speaker-placement, it is essential to try out various locations to obtain the best possible sound. This means aiming the mids and most importantly the tweeters towards the ears. To start off its advisable to try and aim the speakers towards the centre of the car. Subwoofers should be preferably mounted up front for the best sound but due to constraints it ends up in the back.

4. Speaker mounting: Subwoofers need a properly designed and neat enclosure for optimal performance. If you are using speakers that fit into the stock location., make sure that there are no holes or spaces. Sometimes, it may need the cutting down of metal for placing speakers in an unconventional place.

I know all this is very basic but shall try to add few more when I get time to.

Thanks.
 

magma

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Dec 6, 2008
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Desirable features


3. Speaker positioning: Speaker positioning is very critical for performance. It may seem to the lay person that the best position for the speakers are in the stock housings that came in the car. For e.g. On the door panel near the feet. There can be various positions tried out. The first thing to consider is the distance. If the right speaker happens to be closer, it'll sound louder. The best solution lies in figuring out a location where the sound will arrive at the same time, thus having no variance in the path length. This is one of the reasons why kick panels are mostly preferred.

For multiple speaker-placement, it is essential to try out various locations to obtain the best possible sound. This means aiming the mids and most importantly the tweeters towards the ears. To start off its advisable to try and aim the speakers towards the centre of the car. Subwoofers should be preferably mounted up front for the best sound but due to constraints it ends up in the back.


Thanks.

front speakers WILL invariably be at different distances tothe driver
Thereis no way to counter that and no amount of positioning will rectify that
The only means you have is TA
Hence it is adviced that you use the stock locations of the car rather than the chop shop and messing around which can cause more maintainence and rattles

Tweeters are better positioned off axis in my personal view(at least thats how i manage to get the best out of them)
Only some require on axis arrangement
In no setup have i ever seen tweeters facing the centre of the car
 
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