Unless you have a relatively late model vehicle that shipped with premium sound, your car or truck is probably begging for an overhaul of its speaker system. One of the surest signs is muddy sound because most OEM car stereo systems ship with “full range” speakers that aren’t really up to snuff when they’re brand new. When you consider the fact that factory car speakers usually don’t have the same build quality as aftermarket units, it’s easy to see how sound quality can degrade so quickly. It's also remarkably easy to replace car speakers if you're just dropping in new 2-way or 3-way units if you use a size guide.
Your factory speakers should also be on the chopping block if you’re building a new sound system. It’s highly unlikely that the original equipment speakers in your car or truck will be up to the task of working with a premium head unit and amp, so leaving them in place will severely hamstring your new dream system. If you want the most out of your custom car stereo system, your best bet is to replace the “full range” factory speakers with high quality component speakers.
Upgrading Factory Speakers
If you want to squeeze the best possible sound out of your factory sound system, and you don’t have an enormous budget, the speakers are a great place to start. Most OEM systems use “full range” speakers, which means each speaker has a single driver that’s responsible for producing high, medium, and low tones. If you replace car speakers that fall into the "full range" category with 2-way or 3-way speakers that have multiple drivers, the difference in sound quality can be remarkable.
Premium aftermarket speakers also tend to be engineered better and constructed from higher quality materials than factory speakers. Most factory speakers use surrounds that are made out of foam and paper, which deteriorates over time. When the surrounds wear out, the sound quality drops significantly. High quality aftermarket speakers tend to use rubber surrounds that last longer and facilitate the delivery of higher quality bass.
The cones in aftermarket units are often made from denser materials as well. That’s another one of the reasons a high quality aftermarket speaker will typically have better bass reproduction than a similarly sized factory speaker.
Building a Car Audio System From the Ground Up
Replacing your factory speakers won’t make up for a low-powered head unit or amp, which is why many audiophiles choose to design a new system from scratch. In that case, it’s even more vital to replace low quality factory speakers with superior aftermarket units.
In the same way that 2-way and 3-way speakers provide better sound than “full range” speakers, component speakers are even better at reproducing high highs and low lows. Since you can hand pick a head unit and amp to match your speaker configuration, this type of setup will allow you to blow other car audio systems away.
Replacing factory car speakers with real woofers and tweeters is more complicated than just dropping in some 2-way or 3-way speakers, but it allows you to design a real soundstage that’s perfect for your car.
source: http://cartech.about.com/od/Car-Audio/a/Why-Replace-Car-Speakers.htm
by Jeremy Laukkonen
http://www.monney.com
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