Clarion EQS746 owner manual Glossary

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7. Glossary

Crossover: A device that limits the range of frequencies sent to a speaker or amplifier.

Equalization: the process of boosting or cutting sound signal frequencies to improve the quality of the sound. The term comes from the filters used to add back high frequencies at the receiving end of analog transmissions over wires.

Equalization band: the frequency range impacted by a specific filter.

dB: decibel, a measurement of the relative difference in power or intensity between two acoustic signals

Gain control: gain is the amount of amplification (voltage, current or power) of an audio signal expressed in dB

Graphic equalizer: a multi-band variable equalizer that uses mechanical controls to adjust amplitude.

Hz: Abbreviation for Hertz, a unit of frequency equal to one cycle per second.

Octave: the musical principle of dividing sound frequencies into the eight notes of the musical scale.

OEM: Original Equipment Manufacturer

RCA input/output: port through which sound travels in and out of the system; “RCA” refers to the type of connector, which was originally manufactured by Radio Corporation of America.

Slope: how fast the sound changes rated in dBs. The higher the dB number, the faster the frequency drops off.

English

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Contents EQS746 FCC Approval EnglishContents Features Installation PrecautionsControls Master volumeAdjusting the controls Setting system volumeOperations Connecting an MP3 player or video unit Setting the low-pass frequencyCare and maintenance What is included in the box Installation and WiringBefore starting Tools and additional components Mounting diagramWiring diagram Unit does not work no lights English TroubleshootingSound is distorted No sound coming from the unitGlossary THD English SpecificationsLimited Warranty Information Clarion Corporation of America