| BAK1500   INSTALLATION/OWNER'SꢀMANUAL   CompactꢀAmplifiedꢀSubwoofer   INSTALLATION   SafetyꢀFirst   CAUTION   ! Theꢀfollowingꢀinstructionsꢀareꢀdesignedꢀtoꢀensureꢀsafetyꢀduringꢀinstallationꢀandꢀuseꢀ   ofꢀtheꢀBAK1500.ꢀFailureꢀtoꢀheedꢀtheseꢀinstructionsꢀcanꢀresultꢀinꢀinjuryꢀorꢀdamageꢀ   toꢀtheꢀunitꢀorꢀvehicle.   The following installation instructions are intended to be used as a basic   guideline. If you feel unsure about installing this speaker system yourself, Dual   recommendsꢀacquiringꢀtheꢀservicesꢀofꢀaꢀprofessionalꢀcarꢀaudioꢀinstallationꢀ   center.   Beforeꢀinstallation,ꢀpleaseꢀreviewꢀtheꢀfollowingꢀguidelines:   1. Be sure to carefully read and understand the instructions before attempting to   install this product.   2.ꢀIfꢀadditionalꢀwiringꢀisꢀrequired,ꢀweꢀrecommendꢀrunningꢀallꢀwiresꢀpriorꢀtoꢀ   mounting your enclosure in place.   3. To ensure reliable performance and minimize signal or power loss, use the   highestꢀqualityꢀconnectorsꢀavailable.   4.ꢀNeverꢀrunꢀspeakerꢀwiresꢀunderneathꢀyourꢀvehicle.ꢀRunningꢀspeakerꢀwiresꢀ   insideꢀtheꢀvehicleꢀprovidesꢀtheꢀbestꢀprotectionꢀfromꢀexhaust,ꢀheatꢀandꢀ   environmentalꢀelements.ꢀ   5.ꢀAvoidꢀrunningꢀwiresꢀover,ꢀnearꢀorꢀthroughꢀsharp-edgedꢀsurfaces.ꢀWeꢀsuggestꢀ   you also use rubber grommets to protect any wires routed through metal,   especially the firewall.   6.ꢀWhenꢀrunningꢀtheꢀspeakerꢀcableꢀtoꢀtheꢀamplifier,ꢀavoidꢀrunningꢀitꢀnearꢀsourcesꢀ   ofꢀhighꢀcurrentꢀ(i.e.ꢀwiringꢀharnesses,ꢀbatteryꢀcables).   3 INSTALLATION   ConnectionꢀDescriptions   Note:ꢀBeꢀsureꢀtoꢀfollowꢀspecificꢀinstructionsꢀincludedꢀwithꢀyourꢀamplifierꢀ   installationꢀkitꢀ(notꢀincludedꢀwithꢀthisꢀamplifier).ꢀTheꢀinformationꢀbelowꢀshouldꢀbeꢀ   usedꢀaꢀgeneralꢀguidelineꢀonly.   PowerꢀWireꢀ(+12V)   •ꢀꢀDisconnectꢀnegativeꢀbatteryꢀterminalꢀbeforeꢀproceeding.ꢀConsultꢀaꢀqualifiedꢀ   technician for instructions if you are unsure.   •ꢀꢀPlanꢀwireꢀroutingꢀbeforeꢀcuttingꢀanyꢀwiresꢀtoꢀlength.ꢀBeginꢀbyꢀroutingꢀtheꢀpowerꢀ   +12Vꢀwireꢀfromꢀtheꢀbatteryꢀtoꢀtheꢀamplifierꢀlocation.ꢀUseꢀaꢀgrommetꢀwhenꢀ   runningꢀwiresꢀthroughꢀtheꢀfirewallꢀorꢀmetalꢀopenings.ꢀAvoidꢀrunningꢀtheꢀpowerꢀ   wireꢀnearꢀexistingꢀvehicleꢀwiringꢀtoꢀpreventꢀinducedꢀnoiseꢀfromꢀenteringꢀtheꢀ   audio system.   •ꢀꢀUseꢀextremeꢀcautionꢀwhenꢀdrillingꢀholesꢀtoꢀavoidꢀdamagingꢀfuelꢀlinesꢀorꢀ   existingꢀvehicleꢀwiring.ꢀꢀ   •ꢀꢀTheꢀ+12VꢀwireꢀMUSTꢀbeꢀfusedꢀwithinꢀ18"ꢀofꢀtheꢀbatteryꢀforꢀprotectionꢀofꢀtheꢀ   vehicle’sꢀelectricalꢀsystem.   GroundꢀWireꢀ(GND)   •ꢀꢀTheꢀamplifierꢀgroundꢀwireꢀshouldꢀbeꢀasꢀshortꢀasꢀpossible.ꢀChooseꢀaꢀcleanꢀ   unpaintedꢀsectionꢀofꢀmetalꢀorꢀtheꢀvehicleꢀchassisꢀwhenꢀattachingꢀtheꢀgroundꢀ   connection. Be sure to clean the area of any dirt or grease.   RemoteꢀTurn-onꢀWireꢀ(REM)   •ꢀꢀTheꢀremoteꢀturn-onꢀwireꢀconnectsꢀtoꢀtheꢀheadꢀunit'sꢀamplifierꢀturn-onꢀleadꢀorꢀ   otherꢀswitchedꢀ12ꢀvoltꢀsource.   InputꢀSignalꢀ   •ꢀꢀTheꢀamplifier'sꢀinputꢀsignalꢀconnectsꢀtoꢀtheꢀheadꢀunit'sꢀlowꢀlevelꢀ(RCA)ꢀoutputs.ꢀ   CAUTION   •ꢀꢀNeverꢀrunꢀanyꢀwiresꢀunderneathꢀorꢀoutsideꢀtheꢀvehicle.   4 INSTALLATION   ConnectionsꢀandꢀControls   1 2 3 4 5 6 7 8 PhaseꢀControl   5 6 7 8 1 2 3 4 InputꢀConnections   Power Indicator   CrossoverꢀFrequency   RemoteꢀConnection   Gain   Protect   PowerꢀConnectionꢀ&ꢀHighꢀLevelꢀInput   5 INSTALLATION   TypicalꢀWireꢀRouting   BATTERY   HIGH LEVEL INPUT   (SPEAKER WIRE)   REMOTE   BASS   CONTROL   POWER   . . MIN   MAX   MainꢀPowerꢀConnections   ConnectꢀBAT+,ꢀGNDꢀandꢀREMꢀwiresꢀaccordingly.ꢀAꢀsuitableꢀfuseꢀMUSTꢀbeꢀinstalledꢀonꢀtheꢀ   BAT+ꢀleadꢀwithinꢀ18"ꢀofꢀtheꢀbatteryꢀforꢀprotectionꢀofꢀtheꢀvehicle’sꢀelectricalꢀsystem.   FuseꢀRating   Power/GroundꢀWireꢀSize   Whenꢀreplacingꢀtheꢀfuse,ꢀmakeꢀ   sure new fuse is the correct type   andꢀamperage.ꢀUsingꢀanꢀincorrectꢀ   fuse could damage the amplifier.   TheꢀBAK1500ꢀusesꢀ(1)ꢀ10ꢀamp ATO   style fuse.   Forꢀoptimumꢀperformance,ꢀuseꢀonlyꢀ   12ꢀgaugeꢀwireꢀorꢀlarger.ꢀMakeꢀsureꢀ   to use the same size power and   ground wire.   6 INSTALLATION   ControlꢀSetupꢀandꢀAdjustment   InputꢀSignalꢀConnections   Lowꢀlevelꢀ(RCA)ꢀinputꢀsignalꢀisꢀpreferredꢀforꢀbestꢀ   performance.ꢀTypicalꢀtrunk-mountꢀinstallationsꢀ   requireꢀaꢀ17-20ꢀfootꢀRCAꢀcable.ꢀMostꢀtrucksꢀandꢀ   behind-seatꢀapplicationsꢀrequireꢀaꢀ6-12ꢀfootꢀRCAꢀ   cable.ꢀUsingꢀtwistedꢀpairꢀconstructionꢀRCAꢀcablesꢀ   will minimize noise.   LowꢀLevelꢀ(RCA)   CrossoverꢀFrequencyꢀ   Control   Theꢀadjustableꢀcrossoverꢀisꢀusedꢀtoꢀfilterꢀoutꢀ   frequenciesꢀaboveꢀ25Hzꢀ~ꢀ120Hz.ꢀAdjustꢀitꢀtoꢀwhereꢀ   the BAK1500 sound output blends with the rest of   the sound system.   PhaseꢀControl   InputꢀLevelꢀControl   LEDꢀIndicator   The phase control compensates for delay between   the BAK1500 output and the rest of the sound   system. Begin with the phase control set to 0   degrees.ꢀIfꢀtheꢀsoundꢀisꢀadequateꢀfromꢀtheꢀnormalꢀ   listeningꢀpositionꢀinsideꢀtheꢀvehicle,ꢀnoꢀfurtherꢀ   adjustment is necessary. If the sound is thin or   lacking bass, adjust the phase control until the bass   is full and punchy.   Theꢀinputꢀlevelꢀcontrolꢀ(LEVEL)ꢀisꢀusedꢀtoꢀobtainꢀtheꢀ   best possible match between the head unit audio   output and the amplifier input. Begin by turning   theꢀinputꢀlevelꢀcontrolꢀfullyꢀcounterclockwise.ꢀNext,ꢀ   turnꢀupꢀtheꢀheadꢀunitꢀvolumeꢀcontrolꢀaroundꢀ3/4ꢀofꢀ   theꢀwayꢀup.ꢀAdjustꢀtheꢀinputꢀlevelꢀcontrolꢀclockwiseꢀ   until audible distortion is heard, then slightly   counterclockwiseꢀtoꢀprovideꢀtheꢀbestꢀmatch.   TheꢀLEDꢀindicatorꢀilluminatesꢀgreenꢀduringꢀnormalꢀ   operation.   7 INSTALLATION   MountingꢀtheꢀSubwoofer   Determineꢀoptimalꢀlocationꢀforꢀmountingꢀtheꢀsubwooferꢀ(referꢀtoꢀpageꢀ2ꢀforꢀ   mounting location guidelines. A typical mounting location is shown below.   TypicalꢀBelow-Seat   MountingꢀLocation   8 OPERATION   Troubleshooting   Problem   Cause   Action   Unitꢀwillꢀnotꢀturnꢀon   BAT+ꢀwireꢀnotꢀconnectedꢀorꢀincorrectꢀvoltageꢀ Checkꢀconnectionsꢀforꢀproperꢀvoltageꢀ   (noꢀpowerꢀLEDꢀindicator) REMꢀwireꢀnotꢀconnectedꢀorꢀincorrectꢀvoltage   (11~16VDC)   GND wire not connected   Checkꢀconnectionꢀtoꢀground   Fuse(s)ꢀblown   Replaceꢀfuse(s)   Unitꢀhasꢀpowerꢀ-ꢀLEDꢀisꢀ Volume turned all the way down   Increaseꢀvolumeꢀlevelꢀatꢀheadꢀunit   Check/replaceꢀspeaker   greenꢀ(butꢀnoꢀsound)   Speakerꢀdefectiveꢀorꢀdamaged   Input signal not connected   Checkꢀhighꢀorꢀlowꢀlevelꢀinputsꢀforꢀ   proper connection   Unitꢀblowsꢀfuse(s)   Engineꢀnoise   Incorrect fuse rating   Useꢀfuse(s)ꢀwithꢀcorrectꢀrating   Checkꢀforꢀpinchedꢀwire   BAT+ wire touching chassis ground   Speakerꢀdefectiveꢀorꢀdamaged   Bad ground connection   Check/replaceꢀspeaker   Makeꢀsureꢀamplifierꢀisꢀgroundedꢀtoꢀ   clean bare metal   SignalꢀgroundꢀloopꢀorꢀRFIꢀ(radioꢀfrequencyꢀ   Re-routeꢀRCAꢀcablesꢀfromꢀexistingꢀ   interference)   high current wiring   Distortedꢀaudioꢀoutput   Lowꢀaudioꢀoutput   Weakꢀbass   Incorrect input signal type or   inputꢀlevelꢀtooꢀhigh   Checkꢀconnectionsꢀandꢀreduce/adjustꢀ   inputꢀlevel   Incorrect input signal type or   inputꢀlevelꢀtooꢀlow   Checkꢀconnectionsꢀandꢀincreaseꢀorꢀ   adjustꢀinputꢀlevel   Lowꢀfrequencyꢀoutputꢀisꢀoutꢀofꢀphaseꢀ   Adjust phase control as needed   Registration   Please keep your original sales receipt and be prepared to   provideꢀthisꢀreceiptꢀinꢀtheꢀeventꢀyouꢀrequireꢀservice,ꢀasꢀyourꢀ   original receipt is considered the best proof of purchase and   indicates the date you purchased your Dual product.   ForꢀYourꢀRecords   Dealer Name   Dealer Phone   Purchase Date   RegisterꢀYourꢀProduct   Registerꢀyourꢀproductꢀonlineꢀatꢀwww.dualav.com.   9 OPERATION   LimitedꢀOne-YearꢀWarranty   Thisꢀwarrantyꢀgivesꢀyouꢀspecificꢀlegalꢀ   Whatꢀtoꢀdo?   rights.ꢀYouꢀmayꢀalsoꢀhaveꢀotherꢀrightsꢀ   whichꢀvaryꢀꢀfromꢀstateꢀtoꢀstate.ꢀ   1.ꢀBeforeꢀyouꢀcallꢀforꢀservice,ꢀcheckꢀtheꢀ   troubleshootingꢀguideꢀinꢀyourꢀowner’sꢀ   manual. A slight adjustment of any   customꢀcontrolsꢀmayꢀsaveꢀyouꢀaꢀserviceꢀ   call.   DualꢀElectronicsꢀCorp.ꢀwarrantsꢀthisꢀ   product to the original purchaser to be free   from defects in material and workmanship   for a period of one year from the date of   the original purchase.   2.ꢀIfꢀyouꢀrequireꢀserviceꢀduringꢀtheꢀ   warranty period, you must carefully   packꢀtheꢀproductꢀ(preferablyꢀinꢀtheꢀ   original package) and ship it by prepaid   transportation with a copy of the original   receipt from the retailer to an   DualꢀElectronicsꢀCorp.ꢀagrees,ꢀatꢀourꢀ   option, during the warranty period,   to repair any defect in material or   workmanshipꢀorꢀtoꢀfurnishꢀanꢀequalꢀ   new, renewed or comparable product   (whicheverꢀisꢀdeemedꢀnecessary)ꢀinꢀ   exchange without charges, subject to   verificationꢀofꢀtheꢀdefectꢀorꢀmalfunctionꢀandꢀ   proofꢀofꢀtheꢀdateꢀofꢀpurchase.ꢀSubsequentꢀ   replacement products are warranted for   the balance of the original warranty period.   authorizedꢀserviceꢀcenter.ꢀ   3. Please describe your problem in   writing and include your name, a   returnꢀUPSꢀshippingꢀaddressꢀ(P.O.ꢀBoxꢀ   not acceptable), and a daytime phone   number with your shipment.   4.ꢀForꢀmoreꢀinformationꢀandꢀforꢀtheꢀ   location of the nearest authorized   serviceꢀcenterꢀpleaseꢀcontactꢀusꢀbyꢀoneꢀ   ofꢀtheꢀfollowingꢀmethods:   Whoꢀisꢀcovered? This warranty is extended   to the original retail purchaser for products   purchased from an authorized Dual dealer   andꢀusedꢀinꢀtheꢀU.S.A.   •ꢀCallꢀusꢀtoll-freeꢀatꢀ1-866-382-5476   ꢀꢀꢀMonday-Friday,ꢀ9AM-5PMꢀEST   •ꢀE-mailꢀusꢀatꢀ[email protected]   Whatꢀisꢀcovered?ꢀThisꢀwarrantyꢀcoversꢀallꢀ   defects in material and workmanship in   thisꢀproduct.ꢀTheꢀfollowingꢀareꢀnotꢀcovered:ꢀ   software,ꢀinstallation/removalꢀcosts,ꢀ   damage resulting from accident, misuse,   abuse, neglect, product modification,   ExclusionꢀofꢀCertainꢀDamages:ꢀThisꢀ   warrantyꢀisꢀexclusiveꢀandꢀinꢀlieuꢀofꢀanyꢀ   and all other warranties, expressed or   improperꢀinstallation,ꢀincorrectꢀlineꢀvoltage,ꢀ implied, including without limitation the   unauthorized repair or failure to follow   instructions supplied with the product, or   damage occurring during return shipment   ofꢀtheꢀproduct.ꢀSpecificꢀlicenseꢀconditionsꢀ   and copyright notices for the software can   implied warranties of merchantability and   fitness for a particular purpose and any   obligation, liability, right, claim or remedy   in contract or tort, whether or not arising   fromꢀtheꢀcompany’sꢀnegligence,ꢀactualꢀ   orꢀimputed.ꢀNoꢀpersonꢀorꢀrepresentativeꢀ   is authorized to assume for the company   any other liability in connection with the   saleꢀofꢀthisꢀproduct.ꢀInꢀnoꢀeventꢀshallꢀtheꢀ   company be liable for indirect, incidental or   consequentialꢀdamages.   10   OPERATION   Specifications   Amplifierꢀ   ꢀ MaximumꢀOutputꢀPower   1500 watts   25-120Hz   92dB   FrequencyꢀResponse   S/NꢀRatioꢀ@ꢀ1ꢀwatt   InputꢀImpedance   Lowꢀlevelꢀ(RCA):ꢀ10kꢀohms   Highꢀlevelꢀ(speakerꢀwire):ꢀ200ꢀohms   InputꢀSensitivityꢀ(RCA)ꢀ   CrossoverꢀFrequency   CrossoverꢀSlope   Phase   125mV – 3V   50–160Hz   6dB/octave   0–180ꢀdegrees   10 amp ATO   Fuse   Dimensions   2.85ꢀxꢀ14.88ꢀxꢀ10.55ꢀ(HꢀxꢀWꢀxꢀD)   SubwooferꢀFeatures   Wooferꢀsize   10"   Impedance   4 ohm   20 oz.   Magnet   Coneꢀmaterial   Surroundꢀmaterial   Aluminum   Rubber   Design and specifications subject to change without   notice.   11   DualꢀElectronicsꢀCorp.   TollꢀFree:ꢀ1-866-382-5476   ©2013ꢀDualꢀElectronicsꢀCorp.ꢀAllꢀrightsꢀreserved.   NSA0513-V01   PrintedꢀinꢀChina   |