AUDAC M2 - Filters

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M2 Seven band equalizer
TheQ-factorparameteristhequalityfactorrelatedwiththebandwidthofthefilter.Ahigher
Q-factorindicatesamoreselectivefilterwithasmallerbandwidth.ThestandardQ-factor
valueforthe7-bandEQissetto0.9,wherebythe7bandshaveagoodcoverageoverthe
entireaudiospectrum.AhigherQ-factormakesitpossibletoinfluencespecificfrequency
rangesoftheaudiospectrum.
TheFrequency parameterindicatesthecenterfrequencyofthefilter.Thisisthecentral
frequencybetweentheupperandlowercutofffrequenciesofthefilter.
Filters
Adigitalfiltercanbeappliedtoanyoftheinputs(Directinputs&Lineinput).Thefiltercanbe
enabledbyclickingthedesiredfiltertypeatthetopofthewindowandisselectablebetween
Low-Pass,High-PassandBand-Pass.WithaHigh-Passfilter,thefrequenciesbelowthe
crossoverfrequencywillbesupressed.WithaLow-Passfilter,thefrequenciesabovethe
crossoverfrequencywillbesupressed.AndwithaBand-Passfilter,thefrequencieshigher
thantheuppercrossoverpoint,andbelowthelowercrossoverpointwillbesupressed.
Afterthedesiredfiltertypeisselected,theslidebarstoadjustthecrossoverfrequencieswill
bedisplayed.Thecrossoverfrequencycanbeadjustedbyslidingthebuttonontheslider
scaletotheleftandtheright.Thefrequencycanbesetbetween10Hzand22kHz,andthe
exactsetcrossoverfrequencyisdisplayedontherightsideofthesliderscale.
FILTER PROPERTIES
Thefilterswhichcanbeappliedhavethefollowingproperties:

Type:Butterworth
Order:Second order
Rolloff:40 dB / Decade