Biamp A4 User Manual download pdf (Page 129)

Component Objects

Low Shelf Filter

Gain selects the amount of maximum cut or boost applied by the filter. Cutoff Freq. selects the

cutoff frequency for the filter. These settings may also be adjusted by dragging the cursor shown

inside the graph. Bypass disables the filter without changing settings.

Right-clicking over certain settings will provide a menu of additional options.

All-Pass Filter

All-Pass Filters are so named because they do not affect frequency response. Instead, they

affect signal phase only and, therefore, can be used to compensate for the phase anomalies

caused by normal equalization filters. All-Pass Filters are available with up to sixteen bands.

Active Band selects the current band to be adjusted. Center Freq. adjusts the center frequency

for the current band.

Bandwidth adjusts the range of frequencies, above & below the center

frequency, which are also affected by the current band. These settings may also be adjusted by

dragging the band controls shown inside the graph. Dragging the white dot affects Center Freq.

Dragging either yellow dot affects Bandwidth. Add Band & Remove Band work within the

designated number of bands for the filter. Bypass Band & Bypass All disable the band(s)

without changing settings. Drag Points turns on/off the band controls, revealing the resultant

curve only. Band highlights the phase response of the current band inside the graph.

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Biamp A4 User Manual Page 129