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ChasingYourTail
Speakercalibrationcanbeafrustratingprocess,especiallyifthisisyourfirstgoaroundwithit.
Sometimesit’slikesqueezingaballoon:Whenyousquishoneend,theotherendpuffsout.Soit
goeswithcalibration.Makeaboosttoonefrequency,andthesurroundingfrequenciesgoup,too.
Experimentingwiththecenterfrequencyandbandwidthcontrolswillhelp,aswillagooddoseof
patienceandallottingenoughtimetodoitupright.Youreffortswillberewardedwhenyouplay
musicthroughyourcalibratedsetupforthefirsttimeandwonderifsomeoneswappedoutyour
tiredoldmonitorswithsomethingnewandmuchmoreexpensive!
SavingYourCalibrationSettings
Youcansaveyourcalibrationsettingsintheformofapresetbygoingtothe“SavePreset”menu
andtypinginafriendlynameforyourfile,preferablyonethatuniquelyidentifiesthespeakersand
location(“JBL4312FMAir”).
TweakingAfterCalibration
Youmaynoticethatwhileyourspeakerssoundsignificantlybetterthantheydidbeforeyou
calibratedthem,andtheyaretechnicallymuchmoreaccurate,theysoundalittlethininthelow
endandalittledullinthehighsbecauseofthewaythehumanearperceivessoundatthefarends
ofourhearingrange.
WesuggestthatinsteadofmakingchangestotheEQsections,youuseOmnia.9’s“Loudness1”and
“Loudness2”menustomakesubjectiveadjustments.Thesemenuseachgiveyouthreeadditional
bandsoffullyparametricequalization.
Ifdesired,theyalsoallowyoutoadjustatwhatpointontheSpeakerVolumecontrolthechanges
takeaffect(sinceourearsarelesssensitivetocertainfrequenciesatlowervolumelevels).
TheMinimumslideroneachEQbandsetsthepointonthevolumecontrolwheretheEQhasno
effectonthesound.
TheMaximumslidersetsthepointonthevolumecontrolwheretheEQinthatbandisinfulleffect
(boostedorcuttowhatevergainlevelyouhaveset).
Forexample,iftheminimumsliderissetto20dB,themaximumissetto10dB,andthegainisset
tominus5.0dB,equalizationwillbegintotakeeffectwhenthevolumecontrolissetto20dBand
willbeattenuatedby5dBbythetimethecontrolissetto10dB.