How to Set Up Graphic Equalizer

Written by ehow electronics editor
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Adding a graphics equalizer to your sound or home theater system can greatly improve the quality of what you hear. Graphics equalizers, when set up for a home system, not only let you adjust the quality of the sound to the size of the room, but also allow you to adjust for anything else that may absorb or reflect it, such as furniture and carpeting.

Skill level:
Moderate

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Instructions

  1. 1

    Know that boosting the treble on the equalizer can enhance the clarity of the sound, while boosting bass produces a more rich, full sound.

  2. 2

    Try boosting midrange frequencies by 10 to 15 decibels. Determine which sounds the worst, and return the control to the starting point.

  3. 3

    Cut or boost the frequency in small steps until it sounds good to your ear.

  4. 4

    Add treble or bass for each frequency. If there's no improvement working with one, move on to another.

  5. 5

    Adjust frequencies for voice. This may require a bit of experimentation, especially for clarity. Frequencies set too low can make voices sound "boomy" or "chesty," but cutting them could produce a hollow and lifeless sound. Try cutting back on the low frequencies and boosting the one to five kilohertz range to boost clarity.

  6. 6

    Set music frequencies to the 31 to 50 hertz range, being careful not to set them too high, which can result in a muddy or dull sound. Also reduce the 80 to 125 hertz frequencies to eliminate excessive bass or "boom." Adjust other frequencies as necessary to boost different instruments, ranging from strings to drums. For a link to a guide to what frequencies to adjust, see the Resources section.

Tips and warnings

  • Setting frequencies too high could damage your speakers, so be very careful when adjusting them.

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