TC electronic SDN BHD 48 - Manual (Page 47)

Filter types
For Lo and Hi filters select between filter types:
Parametric, Notch, Shelve and Cut.
For Mid 1 and Mid 2, select between filter types:
Parametric and Notch.
Parametric Filter - Broad type
Shelving Filter
FABRIK C STUDIO
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Notch Filter - Narrow type
Cut Filter - Bessel type
Cut Filter - Butterworth type