Owner`s manual

Abox in details
7
Rev. 2.0 - EN EU - fw 5.22
7.3 Notch filter
Theprogrammablenotchlteronchannel2canbeactivatedordeactivated
usingtheswitchplacedontopofthenotchfrequencytuner.Ifyouneedto
usethenotchlterturnonthisswitchandtunethefreauencywiththecorre-
spondingknob(50Hz-250Hz)
7.4 Phase switch CH2
Thephaseswitchallowsfor180°phaseshiftbetweenCH2andCH1whenthe
switchisengaged.
7.5 Low pass shelving filter
Whenthelterisengaged,itattenuateschannel2of6dBintherange1KHz-
20KHz.Thislowpasslterisveryhandyforthosewhoperformwithadrummer
andneedhighvolumeonstage.Therefore,theadvantageofthislteristo
reduce,whenengaged,thecontributionoftheunwantedsignalscoming
fromtheotherinstruments/noisepresentsonthestage.Byreducingthemic
contributioninthisfrequencyrange,thelterallowshighervolumewithless
feedback
7.6 Level control (CH2)
TheLEVELknobcontrolstheoutputsignaloftheCH2.Ifyouaretuningthe
CH2’sequalizerorifyoudonotintendtouseCH1keeptheLEVELofCH1to
minimum.
8 Mixed channel CH1+CH2
Themixedchannelisthesignalobtainedbyaddingtheprocessedchannels
CH1andCH2.EachindividualchannelcontributionissetbytheLEVELcontrol
knob(seesection6.2and7.6)
8.1 Tone control
ToequalizethemixedchannelstheAboxusesafulltonecontrolsectionLOW-
MID-HIGHdesignedtobeeffectiveonacousticinstruments.
TheMIDtonecontrolcanbeseenasamasterMIDwhileeachparametricEQs
arenetuningandcanbeaccuratelyplacedontheproperfrequencyspot.
8.2 Phase ALL switch
Whentheswitchisengaged,thephaseALLswitchallowsfor180°phaseshift
betweenCH1+CH2andtheacousticsignal.Thisswitchishandyforcontrol-
lingthefeedbackandforgettingagoodbassresponseoftheblendedsignal
addingonyouracousticsound.
8.3 Master mute
TheMuteswitchallowssmoothlytomutesimultaneouslytheAMP-OUTandthe
PA-OUT.Thisswitchisparticularlyhandywhenthereisaneedtooperatesilent-
ly(connect/disconnectyourpiezo/mics,checktheincomingsound,etc...)