InputSection
BecauseofthewiderangeofheadunitoutputconfigurationsallVVME
amplifiershaveanadjustableinputsensitivityofGainThegainisnot
avolumeorapowerlimitingcontrollikeathrottle.Itmakestheampmore
sensitivetoinputfromthestereo.withthegainuptheampwillreachfulloutput
atalowervolumesettingonthedeck.Athighergainsettingstheampalso
becomesmoremoresensitivetonoisefromthecarselectricalsystem.Tryto
runthegainatthelowestsettingpossibleforyousystem.
“”
'
ThereisnocorrectgainsettingBecause
speakersrequiredifferentpower
demandstoreachthesameoutputthe
gainsmostoftenneedtobeusedto
compensateforthesedifferencesIfyou
triedtosetallthegainsathalfwayyou
wouldprobablyfindthesystemdidnt
soundverygood.Usinggoodjudgment
andlisteningcarefullytoeachspeakeris
stillthebestwaytotuneasystem.
.
,
.
.
'
Crossovercontrols
Acrossoverisadevicethatremovesunwantedfrequenciesfromaspeakeror
amplifier.Atweetercaneasilybedestroyedbybassnotesiftheyarenot
filteredout.Likewiseasubwooferwillnotsoundnaturalifitisplayingmidrange
notes.Acrossoverremovesthesesoundsfromthespeaker.Asyoumightguess,
carefuladjustmentinneedtoensure
thatallthespeakersareplayingthe
rightsoundsandthatyouareleftwith
noholesorlowspotsinthe
frequencyresponse.
“”
BassBoost
amplifiershaveanadjustablebassboost.Onthe4
channelDAB-4.1200NthisiscontrolledbyaVRselectingthemostcommonly
usedBASSBOOSTsetting.Beginyouradjustmentsatlowvolume.Ifyoudonot
hearanyimprovementthenwooferdoesnotneedanyBASSBOOST.
TheLowPassFilter(LPF)mustbeswitchedonforthebassboosttoactivate.
VVMEMGB1.800/MGW1.800
UseBassBoostcarefully.Thedemandson
poweroutputaretremendous.Tryto
minimizetheusebychangingwoofer
positionortheenclosuresize.
BassBoostcont
MGB1.800/MGW1.800
½
Thehasafullyadjustablebassboostwithadjustments
forbothBoostlevelandBoostFrequencyBeginyouradjustmentsatlow
volumeTurntheBassBoostLevelcontrolaboutwayupNextturnthe
BassBoostFrequencyupanddownthiswilltakesometweakingbuttryto
findthesettingthatgivesyouaricher
.
..,
.
andfullersoundwithoutoverworkingthe
subwooferPlayseveraldifferentkindsof
musictotestyouradjustmentYoumayfind
youhavetogobackandmakesomechanges
andcompromisestogetitsoundingrightwith
anassortmentofmusic.UseBassBoost
carefully.Thedemandsonpoweroutputare
tremendous.Trytominimizetheuseby
changingwooferpositionortheenclosuresize.
.
Speakeroutputs
Thisamplifierisamultichannelamplifierdesign.Meaningithasmorethanone
channelofspeakeroutputs.Itisequippedwithalargeblockstyleterminalfor
speakerconnection.Makethisconnectioncarefullyandneatly.stripyourwire
backandtwisttheexposedleadsandinsertthemintotheblockterminalwhile
being
carefulthatthereisnolooseorfrayedstrandsof
wireandtightentheAllenheadscrewdownonthe
terminaltillthewireistightlysecuredinplace.Ifthe
wiresevercomeincontactwitheachotherthe
amplifierwillgointoprotection.
Knowyourtotalohmloadbeforeyoumakeany
connections.
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