Mackie Adaptive Q™ Filtering

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The modern constant-Q filter is superb at eliminating feedback frequencies, without affecting the overall tonal characteristics of most sound systems.


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However, when adjacent filters are used for the tonal shaping of a system, artifacts are often created that prove detrimental to the overall sound quality.


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When used to cut or boost adjacent frequencies, the QUAD EQ's Adaptive-Q filters compensate for this type of anomaly, creating a smoother, more musical and artifact-free curve.