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  • CAR AUDIO MISCELLANEOUS
    What is Alternator Noise?
    Alternator noise is a high pitched whine created by the car's electrical system. If the engine spins faster, noise frequency is higher. That is why you would hear alternator noise coming from mids and tweeters, but not subwoofers, since subwoofers only play low frequencies
  • CAR AUDIO SYSTEMHEAD UNITS
    Head Units Overview
    Ideally, your head unit would be used to provide a signal to your amplifiers that is line level and you would not use its internal amplifiers (if any). They generally do not have the power and strength to drive speakers both loudly and cleanly. The line level signal is cleaner tha
  • CAR STEREO SYSTEMHEAD UNITS
    Head Units Overview
    In a perfect world, your head unit would be used to provide a signal to your amplifiers that is line level and you would not use its internal amplifiers (if any). They generally do not have the power and strength to drive speakers both loudly and cleanly. The line level signal is
  • AUTOMOBILE STEREO WOOFER BOXES
    Enclosures for Car Audio Woofers:
    Because woofers move a lot of air they generate a back wave behind them. If you mount a woofer in free space without an enclosure you will get almost no bass because the back wave will cancel out the sound from the front of the woofer. There are many different types
  • Planning Your Car Stereo System
    Planning Your System
    This part of the game can be interesting or disappointing depending on what you can do. First I'm going to give you an example system that I believe includes everything you need to have a pretty good system. After that I will show you how to make compromises and leave out parts t
  • AUTOMOBILE SPEAKERS SPEAKERS
    Speakers Overview:
    The car audio you use will have the definitive say in how your system will sound. There are many different types of speakers available. A single speaker can be used to reproduce the full range of sounds but it is not ideal. If the speaker is too large it will have problems reproduc
  • CAR SUBWOOFERS
    Subwoofer Definition:
    A loudspeaker created to reproduce bass frequencies.

    Subwoofer Selection Tips
    When choosing to upgrade your audio system, adding a subwoofer can produce massive results. Adding volume at sub frequencies is like adding a third dimension to your music. Whether you’re considerin
  • CAR STEREO ACCESSORIES
    Installation Accessories
    There are multitude of accessories that are available for your car stereo. Some of them are madatory such as RCA cables and others are elective like wiring harnesses.

    RCA Cables:
    These are the cables required used to transfer pre-amp (line level) signals. Usually, you use th
  • CAR AUDIO SIGNAL PROCESSING
    Equalizers/Crossovers Basics
    Equalizers enable you to fine tune your system. It is difficult to get speakers to reproduce sound flawlessly. Multiple speaker system things are even more involved. With an equalizer you can boost or cut certain frequency ranges to tailor the overall sound to whatever yo
  • CAR AUDIO WOOFER BOXES
    Enclosures for Car Stereo Woofers:

    Because woofers move a lot of air they generate a back wave behind them. Mounting a woofer in a free space without an enclosure will cause a loss of bass as the back wave cancels the sound from the front of the woofer. There are many different types of enclosures f
  • CAR STEREO REFERENCE MATERIAL
    Car Audio Dictionary:

    A: Attenuation, loss of dB. AC (Alternating Current): An electrical current that periodically changes in magnitude and direction. Acoustic

    Fiberglass: Slim fiberglass material used as damping material inside speaker enclosures.

    Acoustics: The science of sound.

    Air Gap: The
  • Amplifiers
    Amplifier Overview
    Your amplifier takes the signal from your head unit and makes it large enough to be able to drive your speakers. Many people begin their system with an amplifier for the low frequencies (bass) and use their head units built-in power to drive the higher frequency speakers. This is
  • CAR STEREO MISCELLANEOUS
    What is Alternator Noise?
    Alternator noise is a high pitched whine created by the car's electrical system. When the engine spins the alternator around, the alternator induces an AC voltage that is converted to DC and used to charge the car's electrical system. It acts pretty much as an inverted elec
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