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Photos and specs  Atlantic Technology  212 SB

Withdiscretedigital5.1,6.1,or7.1channelsystems(DolbyDigital,DTS, etc.)manycontrollersprovideaBassManagementoption,whichletsyousetthefrontandrearspeakersinalimitedbandwidth(Small)orfullrange(Large)mode.WhenusingasubwooferwithAtlanticTechnologyspeakerswerecommendsettingsuchacontrollertotheSmallpositionforallthespeakersinthesystem. Care of Your Subwoofer The102SB,212SBand422SBareconstructedfromMediumDensityFiberboard.MDFisanon-resonantmaterialidealforspeakersystemenclosures.Tocleanthecabinetyoumayuseasoftclotheitherdryorslightlydampenedwithcleanwater.Becarefulnottowetthecabinetorallowanywatertoenterthecabinetseams.Avoidplacingyourspeakersindirectsunlightornearasourceofheatthatmay,overtime,damagethefinish. IMPORTANT: Save Your Boxes! If you can do so, save the carton, packing pieces and plastic bags that came with your subwoofer. They will be useful in case you move or have to ship your sub- woofer for any reason. In any case, save all packing materials until you are certain that the system has suffered no damage in ship- ment. If you find such damage, either visible or internal, contact your dealer immediately for the proper return procedure. PlacesubwoofersassymmetricallyinroomforsmootherbassUsing the Subwoofer Crossover Control WhenusedwiththeSystem1200or2200, theCrossovercontrolshouldbesetataround100Hzunlessyouareusingapro- cessorwithitsownbuilt-incrossover.Thegoalistooptimizetheperformanceofthesystembyensuringthatthesubwooferandsatellitesproduceacohesiveandwellintegratedsound“picture.” Manysurroundsoundreceiversandprocessorsofferachoiceofcross- overs,typicallybetween80Hzand120Hz.Ifyoursdoes,werecommendusingthe100HzsettingwhenusingsmallspeakerssuchasthoseintheSystem1200or2200.Consultyourelectronicsowner'smanualformoredetails. Highercrossoverfrequenciespassmorebassbutcansoundboomyandmaybemoreeasilylocalizedtothesubwoofer.Highercrossoverfrequenciesmaybesuitable,however,whenusingverysmallsatellitesthathavenoreallowfrequencyperformance.Settingslowerthan80Hzshouldbeemployedifyouareusinglargerspeakersthathaveextendedbassresponse.Thisway,thesubwooferwillonlyreproducetheverylow- estbassfrequenciesthatareintherangewherethelargemainspeakersbegintorolloff. It’sgenerallyundesirabletohavethemainspeakersandthesubwooferoverlaptoomuch.LargerspeakersmeansalowerLow-passcrossoverfrequency,smallerspeakersmeansahigherLow-passcrossoverfre- quency.Consultthemanufacturer’sspecifiedlowfrequencyresponseforyourmainspeakerstodeterminetheappropriateLow-passsettingonyoursubwoofer.Intheend,however,alittletimespentexperimentingwillgenerallyresultindramaticallybetterbassresponse. AUTOON60Hz40Hz140HzINVERTNORMALNORMALBYPASSRIGHTL/MONOFREQUENCYCROSSOVERPHASECROSSOVEROUTPUTINPUTSTANDBY50VFUSEL250VFUSE00WMAXREPLACEONLYWITHSAMETYPE250VFUSEFORCONTINUEDPROTECTIONAGAINSTFIRE, CAUTION: AUTOON60Hz40Hz140HzINVERTNORMALNORMALBYPASSRIGHTL/MONOFREQUENCYCROSSOVERPHASECROSSOVEROUTPUTINPUTSTANDBYCTRICSHOCKMOISTURE. OUVRIRALREPLACEMENTPARTS2001310Care of Your Subwoofer Dual Subwoofer Placement Whentwosubwoofersareused,youmaywishtoplacethemasymmetri- cally;thatis,inslightlydifferentpositionsintheroom(Figure7).Thiswillreducecommonmoderoomresonancesthatoccurwithsymmetri- callypositionedsubwoofers.Youcanalsotryplacingthesubwoofersinthesamecorner,ifyouwish.Experimentshaveshownthistobeaviablemeansofproducingsmoothbassresponseinmanyrooms. Figure 7 Asymmetrical arrangement for 2 subwoofers in a home theater, for example, one closer to a corner than the other The Phase Invert Control Asubwooferoperatingoutofphasewiththerestofthesystemwon’tpro- videoptimumlowfrequencyperfor- mance.Also,thecorrectsubwooferphasecanenhanceroomacoustics.Sincethereissomuchvariationintheindustryregardingphase,aswitchthatwillreversethephaseofthesubwooferisprovidedontheamplifierpanel.Listentoamonauralmusi- calsourcewithstrongbasscontent.(Forexample,youcanusethemonoswitchonanFMtunerorpreamp,oruseaY-connectorontheoutputsofoneofyoursourcecomponentstogetamonosignal.) Experimentwiththepositionofthephaseswitchtogetthesmoothestbass.Itshouldbeobviouswhichisthecorrectsetting.Inparticular,therewillbeamoreintegratedtransitionbetweenthesatellitesandthesub- wooferwhentheyareproperlyphased. A Word About Bass, Center Channel Modes and System Set Up Manysurroundprocessorsandreceiversfeaturea“Wide”and“Normal” modeforthecenterchannelspeaker.AtlanticTechnologyrecommendsthatthecenterchannelbeoperatedinthe“Normal”modewhenusingapoweredsubwoofer.Thecenterchannelspeakerwillsoundmoredynamicandtheintelligibilityofthesystemwillgenerallybeimprovedwheninthe“Normal”mode. Withdiscretedigital5.1,6.1,or7.1channelsystems(DolbyDigital,DTS, etc.)manycontrollersprovideaBassManagementoption,whichletsyousetthefrontandrearspeakersinalimitedbandwidth(Small)orfullrange(Large)mode.WhenusingasubwooferwithAtlanticTechnologyspeakerswerecommendsettingsuchacontrollertotheSmallpositionforallthespeakersinthesystem. Care of Your Subwoofer The102SB,212SBand422SBareconstructedfromMediumDensityFiberboard.MDFisanon-resonantmaterialidealforspeake...

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