Flattop Parametric Equalizer

The Flattop Parametric Equalizer component is similar to the standard Parametric Equalizer, but offers asymmetrical filtering for more precision tuning of loudspeaker responses. It is a variable equalizer that allows you to individually adjust the Gain, Bandwidth, center Frequency, and lower and upper transition Bandwidths and Frequencies of up to 32 frequency bands. You can also Bypass individual bands. Master controls, affecting all bands, include Bypass, Invert, Mute and Gain. Additionally, you can change any or all of the bands to either a high or low-shelf equalizer, allowing you to vary the gain of all frequencies, as a group, above or below a selected frequency. At the selected Frequency, the gain changes approximately +3dB or -3dB depending on whether the shelf is adding or reducing gain.

Both lower and upper transition bandwidths and frequencies can all be adjusted independently. This allows for flattop responses with asymmetrical slopes. Responses of adjacent bands with identical gains, transition bandwidths, and frequencies sum perfectly.

The overall equalizer phase response is minimum-phase.

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