Wisdom Wands SC-1 Stereo System User Manual


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themidrangeandtrebleregionsisapowerfultoolthatallowsyouto“homein”
onagoodsettingthatisspecictotheroomathandpriortoMultEQProdoing
theneradjustments.
Asanexample,wehaveseenroomsthatworkedperfectlyattherecommended
startingsettingofa–9dBHFTrimfortheL75i,andanotherroomthatrequired
only–2dBfortheexactsamespeaker.(Thiswasatravelingdemosystemone
ofoursalespeoplewastakingfromonedealershowroomtothenext.)Without
theabilitytogetthesystemintheright“ballpark”fortheseextremelydifferent
rooms,evenMultEQProwouldhavebeenhard-pressedtoyieldtheresultswe
werelookingtoachieve.
Asanexample,we’lllookatthesamesystem,inthesameroom,withthreedif-
ferentHFTrimsettings,showingbothBeforeandAfterresultsusingtheView
Results...button.Tokeepthingssimple,themicrophonewasnevermoved(not
recommendedfornormalcalibrations).
FirstupisanL75isystemwiththeHFTrimuntouched,at0.0dB.Youcansee
thattheplanarsectionissignicantlylouderoverallthanthewoofersection.
MultEQrespectswhatitinterpretsasalowfrequencyrolloff,andthereislittle
energybelowabout150Hz.
ThismanualsuggestsanHFTrimof-9.0dBfortheL75i;soourintrepidinstaller
realizeshismistakeandresetsthesystemaccordingly.Theresultingcurvenow
lookslikethis:
Whilethisisn’tbad(andwouldbefurtherimprovedbymeasuringmoreposi-
tionsintheroom),itisprobablyoverkillinthisroom.Youarelosingmore
dynamicheadroominthesystemthanisreallynecessarybypullingdownthe
planarmagneticdriversbythefull9dB.Thiswouldbeevenmoretrueifthere
isasubwooferinthesystem,sinceitwouldbereproducingallthedeepbass.
LookingatanHFTrimsettingof-5.0dByieldsthefollowing,withthesamemi-
crophoneposition.
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