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2
XPA SERIES INSTALLATION
PreparationPlease read entire manual before installation. Due to the technical nature of amplifiers, it is highly recommended that your DUAL amplifier is installed by a professional installer or an authorized dealer.
Before You Start•Disconnectnegativebatteryterminal.(consultaqualifiedtechnicianforinstructions)•Avoidinstallingtheamplifierwhereitwouldbesubjecttohightemperatures,suchasfromdirectsunlight,orwhereitwouldbesubjecttodust,dirtorexcessivevibration.•Useextremecautionwhendrillingholestoavoiddamagingfuellinesorexistingvehiclewiring.•Allamplifierinstallationsrequirepower,signalandspeakerwires(notincluded).•Anamplifierinstallationkit(soldseparately)ishighlyrecommendedtofacilitatethe
installation. Consult your dealer for recommendations.
Mounting Location•Chooseamountinglocationfortheamplifier.Suggestedlocationsincludeunderaseatorinthetrunk.•Theamplifiercanbemountedhorizontal(recommended)orvertical.Foroptimumperformance,makesuretoprovideatleast1"ofspacetoaroundallsides.Donotmounttheamplifierundercarpetsorwhereairflowisrestricted.•Donotinstalltheamplifierwhereitmaybeexposedtomoisture.•Theoptimummountinglocationvariesbetweenvehicles.Remembertotestall
amplifier functions before completing the final mounting procedure.
TYPICAL MOUNTING METHOD
NOTEBe sure to follow specific instructions included with your amplifier installation kit(not included with this amplifier). The information below should be used a general guideline only.
Power Wire (+12V)•Disconnectnegativebatteryterminalbeforeproceeding.Consultaqualified
technician for instructions if you are unsure.•Planwireroutingbeforecuttinganywirestolength.Beginbyroutingthepower+12Vwirefromthebatterytotheamplifierlocation.Useagrommetwhenrunningwiresthroughthefirewallormetalopenings.Avoidrunningthepowerwirenearexistingvehiclewiringtopreventinducednoisefromenteringtheaudiosystem.•Useextremecautionwhendrillingholestoavoiddamagingfuellinesorexistingvehiclewiring.•The+12VwireMUSTbefusedwithin18"ofthebatteryforprotectionofthevehicle’s
electrical system.
Ground Wire (GND)•Theamplifiergroundwireshouldbeasshortaspossible.Chooseacleanunpaintedsectionofmetalorthevehiclechassiswhenattachingthegroundconnection.Besure to clean the area of any dirt or grease.
Remote Turn-on Wire (REM)•Theremoteturn-onwireconnectstotheheadunit'samplifierturn-onleadorpowerantennaoutput.
Speaker Wires•Chooseadequategaugespeakerwiredependingonyourexactamplifier/speakercombination.Besuretoobservepolaritywhenconnecting.•Donotgroundanyspeakerwiresorconnectanyspeakerwirestogether.
Input Signal •Theamplifier'sinputsignalconnectstotheheadunit'slowlevel(RCA)orhighlevel(speakerwire)outputs.•Lowlevelinputsignaldeliverthebestperformance.Ifunavailable,usethehighlevelinputs-wheninterfacingwithfactoryheadunitforinstance.
CAUTION •Donotusebothlowandhighlevelinputsatthesametime-connectonlyoneorthe other. •Neverrunanywiresunderneathoroutsidethevehicle.
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XPA SERIES INSTALLATION
Connection Descriptions
4
XPA SERIES INSTALLATION
Power and Speaker Connections
LEDIndicator
BassBoost
CrossoverModeSwitch
CrossoverFrequency
1
2
3
4
InputLevelControl
HighLevelInputs
LowLevelInputs
InputModeSwitch
5
6
7
8
XPA2500
XPA4640
3 4 5 6 721
1 2 3 4 5 67 7
8
SpeakerConnection(s)
Ground Connection
RemoteConnection
1
2
3
+12VDCBatteryConnection
Fuse(s)
4
5
5
XPA SERIES INSTALLATION
Audio Inputs and Controls
4 3 251
XPA2500
XPA4640
1 2 3 4 5
6
XPA SERIES INSTALLATION
Fuse RatingWhenreplacingfuses,makesurenewfuseis the correct type and amperage. Using an incorrect fuse could damage the amplifier.
XPA250025ampATOx1XPA464025ampATOx2
Power/Ground Wire SizeForoptimumperformance,useonlythewiresizelistedbeloworlarger.Makesuretousethesamesizepowerandgroundwire. XPA250010gaugeXPA46408gauge
Main Power ConnectionsConnect+12V,GNDandREMwiresaccordingly.AsuitablefuseMUSTbeinstalledonthe+12Vleadwithin18"ofthebatteryforprotectionofthevehicle’selectricalsystem.
Typical Wire Routing
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XPA SERIES INSTALLATION
Amplifier ConnectionsSpeaker ConnectionsConnectspeakerwiresobservingpolarity.Theminimumimpedanceload for the XPA2500 and XPA4640is 2 ohms stereo and 4 ohms bridged.Useofloadslowerthanthese is not recommended and may cause amplifier damage.TheXPA2500andXPA4640canbewiredforstereo,bridgedorstereo/bridgedsimultaneousoperation.
Input Signal Connections
Low Level Input (RCA)Lowlevel(RCA)inputsignalispreferredforbestperformance.Typicaltrunk-mountamplifierinstallationsrequirea17-20footRCAcable.Mosttrucksandunder-seatapplicationsrequirea6-9footRCAcable.UsingtwistedpairconstructionRCAcableswillminimize noise.
High Level Input (Speaker Wire)HighlevelinputsshouldonlybeusedwhenRCAoutputsarenotavailablefromtheheadunit.Connecttheheadunitspeakeroutputstothehighlevelinputconnectorasshownbelow.Theblackwire(signalreferenceground)mayormaynotrequireaconnectiontochassisground-dependingonyour particular installation.
Subwoofer (mono)
Typical Bridged Wiring(4 ohms minimum)
2 Speakers (stereo)
Typical Stereo Wiring(2 ohms minimum)
CAUTION Donotusebothlowandhighlevelinputsatthesametime-connectonlyoneortheother.
XPA2500speakerconnectionsshown
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XPA SERIES OPERATION
Configuration/SetupTheinputlevelcontrol(gain)isusedtoobtainthebestpossiblematchbetweentheheadunitaudiooutputandtheamplifierinput.Beginbyturningtheinputlevelcontrolfullycounterclockwise.Next,turnuptheheadunitvolumecontrolaround3/4ofthewayup.Adjusttheinputlevelcontrolclockwiseuntilaudibledistortionisheard,thenslightlycounterclockwisetoprovidethebestmatch.Repeatforallinputlevelcontrols. Select2 CHmodeiftheheadunitonlyhas1pairofRCAoutputs.PlugtheRCA’sfromtheheadunitintochannels1/2or3/4.All4amplifierinputswillreceiveasignal.NOTE:Thereisnofaderfunctionwhenusing2 CH mode.
Select4 CHmodeiftheheadunithas2pairsofRCAoutputs.PlugtheRCA’sfromtheheadunitintochannels1/2and3/4.
Thecrossoverisusedtofilteroutfrequenciesaboveorbelowacertainpoint.ChooseLPFwhenusingtheamplifierwithsubwoofers,HPFwhenusingwithmidrange/tweetercombinations and FULLwhenusingwithcoaxial-typespeakers.
NOTE Choose FULLwhenusingtheamplifierinstereo/bridgedsimultaneousmode.Inthismode,passivecrossoversarerequired.Failuretousethecorrectpassivecomponentsmaydamagetheamplifierand/orspeakers.Consultaqualifiedprofessionalforrecommendations.
Thiscontrolallowspreciseadjustmentofthecrossoverfrequency.
Thiscontrolprovidesadditionalboost@45Hzwhenusedwithsubwoofers.Adjustthiscontrolwithcaution-asimproperusecandamagespeakers!
TheLEDindicatorilluminatesgreenduringnormaloperation(POWER)andredwhentheamplifierdetectsafault(PROTECT).
Input level Control
Input Mode Switch(XPA4640)
Crossover Mode(XPA2500 & XPA4640)
Crossover Frequency Control
Bass Boost
LED Indicator
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XPA SERIES WARRANTY
Limited One-Year Warranty Thiswarrantygivesyouspecificlegalrights.Youmayalsohaveotherrightswhichvaryfromstate to state.
DualElectronicsCorp.warrantsthisproducttothe original purchaser to be free from defects in materialandworkmanshipforaperiodofoneyear from the date of the original purchase.
Dual Electronics Corp. agrees, at our option, duringthewarrantyperiod,torepairanydefectinmaterialorworkmanshiportofurnishanequalnew,renewedorcomparableproduct(whicheverisdeemednecessary)inexchangewithoutcharges,subjecttoverificationofthedefect or malfunction and proof of the date of purchase.Subsequentreplacementproductsarewarrantedforthebalanceoftheoriginalwarrantyperiod.
Who is covered? Thiswarrantyisextendedtothe original retail purchaser for products purchasedandusedintheU.S.A.
What is covered? Thiswarrantycoversalldefectsinmaterialandworkmanshipinthisproduct.Thefollowingarenotcovered: installation/removalcosts,damageresultingfrom accident, misuse, abuse, neglect, product modification, improper installation, incorrect linevoltage,unauthorizedrepairorfailuretofollowinstructionssuppliedwiththeproduct,or damage occurring during return shipment of the product.
What to do?1.Beforeyoucallforservice,checkthetroubleshootingguideinyourowner’smanual.Aslightadjustmentofanycustomcontrolsmaysaveyouaservicecall.
2.Ifyourequireserviceduringthewarrantyperiod,youmustcarefullypacktheproduct(preferablyintheoriginalpackage)andshipitbyprepaidtransportationwithacopyoftheoriginal receipt from the retailer to an authorizedservicecenter.
3.Pleasedescribeyourprobleminwritingandincludeyourname,areturnUPSshippingaddress(P.O.Boxnotacceptable),anda daytimephonenumberwithyourshipment.
4.Formoreinformationandforthelocationofthenearestauthorizedservicecenterpleasecontactusbyoneofthefollowingmethods:
•Callustoll-freeat1-866-382-5476•E-mailusatcs@dualav.com
ExclusionofCertainDamages:Thiswarrantyisexclusiveandinlieuofanyandallotherwarranties,expressedorimplied,includingwithoutlimitationtheimpliedwarrantiesofmerchantability and fitness for a particular purpose and any obligation, liability, right, claimorremedyincontractortort,whetheror not arising from the company’s negligence, actualorimputed.Nopersonorrepresentativeis authorized to assume for the company any otherliabilityinconnectionwiththesaleofthisproduct.Innoeventshallthecompanybeliableforindirect,incidentalorconsequentialdamages.
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XPA SERIES OPERATION
Specifications CEA-2006PowerStandardSpecifications
(reference: 14.4VDC, 20Hz~20kHz)
PowerOutput:50 Watts RMS x 2 channels at 4 ohms and < 1% THD+NSignaltonoiseratio:75dBA (reference: 1 watt into 4 ohms)Additionalpoweroutput: 75 Watts RMS x 2 channels at 2 ohms and < 1% THD+N 150 Watts RMS x 1 channel at 4 ohms (bridged) and < 1% THD+NDynamicpower:300 Watts at 4 ohmsFrequencyresponse:20Hz~20kHz (-3dB)Maximuminputsignal:6VMinimuminputsignal:200mVSpeakeroutputimpedance: 2~8 ohms (stereo), 4~8 ohms (bridged)Bassboost:0~12dB @ 45HzCrossoverrange:50~500Hz, 12dB/octavePowersupply: 11-16 VDC, negative groundFuse: 25 amp ATOAmplifierdimensions:8.9" x 2.13" x 9.17" (WxHxD) (226 x 54 x 233 mm)Typicalinstallationdimensions: 11.5" x 3.25" x 9.17" (WxHxD) (292 x 83 x 233 mm)
CEA-2006PowerStandardSpecifications(reference: 14.4VDC, 20Hz~20kHz)
PowerOutput:50 Watts RMS x 4 channels at 4 ohms and < 1% THD+NSignaltonoiseratio:72dBA (reference: 1 watt into 4 ohms)Additionalpoweroutput: 75 Watts RMS x 4 channels at 2 ohms and < 1% THD+N 150 Watts RMS x 2 channels at 4 ohms (bridged) and < 1% THD+NDynamicpower:600 Watts at 4 ohmsFrequencyresponse:20Hz~20kHz (-3dB)Maximuminputsignal:6VMinimuminputsignal:200mVSpeakeroutputimpedance: 2~8 ohms (stereo), 4~8 ohms (bridged)Bassboost:0~12dB @ 45HzCrossoverrange:50~500Hz, 12dB/octavePowersupply: 11-16 VDC, negative groundFuse: 25 amp ATO x 2Amplifierdimensions:13.69" x 2.13" x 9.17" (WxHxD) (348 x 54 x 233 mm)Typicalinstallationdimensions: 16" x 3.25" x 9.17" (WxHxD) (406 x 83 x 233 mm)
XPA2500
XPA4640
Dual Electronics Corp.TollFree:1-866-382-5476
www.dualav.com©2008DualElectronicsCorp.
NSA0608-V01
XPA SERIES OPERATION
Troubleshooting
Problem Cause ActionUnit will not turn on
(no power LED indicator)+12VwirenotconnectedorincorrectvoltageREMwirenotconnectedorincorrectvoltage
Checkconnectionsforpropervoltage(11~16VDC)
GNDwirenotconnected Checkconnectiontoground
Fuse(s)blown Replacefuse(s)
Unit has power - LED is green (but no sound)
Speakerwiresnotconnected Checkconnectionsatspeakers
Volumeturnedallthewaydown Increasevolumelevelatheadunit
Oneormorespeakerwirestouchingeachother or touching chassis ground
Insulateallbarespeakerwiresfromeachother and chassis ground
Speaker(s)defectiveordamaged Check/replacespeaker(s)
Inputsignalnotconnected Checkhighorlowlevelinputsforproperconnection
Unit blows fuse(s) Incorrectfuserating Usefuse(s)withcorrectrating
+12Vwiretouchingchassisground Checkforpinchedwire
Speaker(s)defectiveordamaged Check/replacespeaker(s)
Engine noise Badgroundconnection Makesureamplifierisgroundedtocleanbare metal
SignalgroundlooporRFI(radiofrequencyinterference)
Re-routeRCAcablesfromexistinghighcurrentwiring
LED illuminates red(protect mode)
Oneormorespeakerwirestouchingeachother or touching chassis ground
Insulateallbarespeakerwiresfromeachother and chassis ground
Speaker(s)defectiveordamagedinternally(shorted)
Check/replacespeaker(s)
Speakerloadlessthan2ohms(stereo)Speakerloadlessthan4ohms(bridged)
Adjustspeakerload-amplifierwillnotoperateatlessthan4ohmswhenbridged
Distorted audio output Incorrectinputsignaltypeorinputleveltoohigh
Checkconnectionsandreduce/adjustinputlevel
Low audio output Incorrectinputsignaltypeorinputleveltoolow
Checkconnectionsandincrease/adjustinputlevel
Weak bass Speaker(s)arewiredoutofphase Check(+)and(-)speakerconnections(Observecorrectpolarity)
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