JL Audio Car Stereo System C2 525 User Manual

owner’s manual  
5.25-inch (130 mm) 2-Way Component System  
Thank you for choosing a JL Audio Evolution™ C2 Component System  
for your automotive sound system.  
These Evolution™ Speakers have been designed and manufactured to  
exacting standards in order to ensure years of musical enjoyment in your  
vehicle. For maximum performance, we highly recommend that you have  
your new speakers installed by an authorized JL Audio dealer. Your  
authorized dealer has the training, expertise and installation equipment  
to ensure optimum performance from this product. Should you  
decide to install the speakers yourself, please take the time  
to read this manual thoroughly so as to familiarize yourself  
with its installation requirements and setup procedures.  
If you have any questions regarding the instructions in this  
manual or any aspect of your amplifier’s operation, please contact your  
authorized JL Audio dealer for assistance. If you need further assistance,  
please call the JL Audio Technical Support Department  
at (954) 443-1100 during business hours.  
 
C2-525 sPeCiFiCaTions:  
GeTTinG sTarTeD  
•ꢀTurnꢀoffꢀtheꢀaudioꢀsystem.ꢀItꢀisꢀalsoꢀ  
advisableꢀtoꢀdisconnectꢀtheꢀnegativeꢀ(–)ꢀ  
terminalꢀofꢀyourꢀvehicle’sꢀbatteryꢀwheneverꢀ  
performingꢀinstallationꢀwork.  
Woofer: Injection-molded, Mica-filled, Polypropylene Cone,  
Butyl Rubber Surround, 1 in. Voice Coil on Kapton® Former,  
Flat, Symmetrical Roll Spider, Ferrite Magnet  
•ꢀBeforeꢀcutting,ꢀdrillingꢀorꢀinsertingꢀanyꢀscrew,ꢀ  
checkꢀclearancesꢀonꢀbothꢀsidesꢀofꢀtheꢀplannedꢀ  
mountingꢀsurface.ꢀAlsoꢀcheckꢀforꢀanyꢀpotentialꢀ  
obstacles,ꢀsuchꢀasꢀwindowꢀtracksꢀandꢀmotors,ꢀ  
wiringꢀharnesses,ꢀetc.ꢀCheckꢀbothꢀsidesꢀofꢀtheꢀ  
Tweeter: 0.75 in. (19 mm) Silk Dome, Ferrofluid Cooling /  
Damping, Neodymium Magnet  
Crossover Networks: 1st Order Low-Pass Filter, 2nd Order  
High-Pass Filter, 3-Position Adjustable Tweeter Level, Premium  
Mylar® Capacitors Premium Air-Core Inductors  
vehicle,ꢀmanyꢀvehiclesꢀareꢀnotꢀsymmetrical!  
•ꢀAlwaysꢀwearꢀprotectiveꢀeyewear.  
Continuous Power Handling: 60 Watts  
Recommended Amp Power: 15-100 Watts per channel (RMS)  
Efficiency: 89.0 dB @ 1W/1m | 95.0 dB @ 1W/0.5m  
Sensitivity: 92.0 dB @ 2.83V/1m  
sPeaKer PlaCemenT ConsiDeraTions  
Inꢀmostꢀcases,ꢀyourꢀspeakersꢀwillꢀbeꢀplacedꢀintoꢀ  
factoryꢀspeakerꢀlocations.ꢀIfꢀyouꢀhaveꢀsomeꢀspeakerꢀ  
mountingꢀflexibility,ꢀkeepꢀtheꢀfollowingꢀinꢀmind:ꢀ  
Lowerꢀmountingꢀlocations,ꢀsuchꢀasꢀtheꢀlowerꢀfrontꢀ  
cornerꢀofꢀaꢀdoorꢀorꢀaꢀkick-panelꢀprovideꢀtheꢀgreatestꢀ  
pathꢀlengthꢀdistancesꢀforꢀtheꢀsoundꢀemittedꢀbyꢀtheꢀ  
speakers.ꢀForꢀthisꢀreason,ꢀtheyꢀareꢀgenerallyꢀmoreꢀ  
desirableꢀthanꢀhigherꢀmountingꢀlocations.ꢀHigherꢀ  
mountingꢀlocationsꢀwillꢀusuallyꢀresultꢀinꢀextremeꢀ  
near-sideꢀsoundstageꢀbiasꢀwhichꢀcompromisesꢀtheꢀ  
stereoꢀlisteningꢀexperience.  
Nominal Impedance: 4 ohm  
Frequency Response: 63 Hz - 22 KHz 3 dB  
Included Components and Parts:  
• Two C2-525cw 5.25-inch (130 mm) Woofers  
• Two C2-075ct 0.75-inch (19 mm) Tweeters  
• Two C2-525-XO Crossover Networks  
• Two Flush-Mount Tweeter Fixtures  
• Two Surface-Mount Tweeter Fixtures  
• Two Metal Spring Clips for Tweeter Fixtures  
• Two Grille Assemblies  
• Two Self-Adhesive JL Audio Nameplates for Grilles  
• Twelve #8 x 1.2 inch (30 mm) Sheet Metal Screws  
• Four #6 x 1-inch (25 mm) Sheet Metal Screws  
• Two 1.18-inch (30 mm) Machine Screws  
• Eight Mounting Clips for Woofer Mounting  
• Two 4.7 mm Female Crimpable Connectors  
• Two 2.8 mm Female Crimpable Connectors  
• Two 4.7 Male Crimpable Connectors  
• Two 2.8 mm Male Crimpable Connectors  
• Twelve Crimpable Spade Connectors  
Due to ongoing product development, all specifications are subject to change without notice.  
 
3
GeTTinG sTarTeD  
TweeTer ProTeCTion  
•ꢀTurnꢀoffꢀtheꢀaudioꢀsystem.ꢀItꢀisꢀalsoꢀ  
advisableꢀtoꢀdisconnectꢀtheꢀnegativeꢀ(–)ꢀ  
terminalꢀofꢀyourꢀvehicle’sꢀbatteryꢀwheneverꢀ  
performingꢀinstallationꢀwork.  
•ꢀBeforeꢀcutting,ꢀdrillingꢀorꢀinsertingꢀanyꢀscrew,ꢀ  
checkꢀclearancesꢀonꢀbothꢀsidesꢀofꢀtheꢀplannedꢀ  
mountingꢀsurface.ꢀAlsoꢀcheckꢀforꢀanyꢀpotentialꢀ  
obstacles,ꢀsuchꢀasꢀwindowꢀtracksꢀandꢀmotors,ꢀ  
wiringꢀharnesses,ꢀetc.ꢀCheckꢀbothꢀsidesꢀofꢀtheꢀ  
TheꢀC2ꢀcrossoverꢀnetworksꢀareꢀequippedꢀwithꢀ  
anꢀadvancedꢀelectronicꢀtweeterꢀprotectionꢀcircuitꢀ  
designedꢀtoꢀminimizeꢀtheꢀpossibilityꢀofꢀtweeterꢀ  
failure.ꢀThisꢀelectronicꢀdeviceꢀmonitorsꢀcurrentꢀgoingꢀ  
toꢀtheꢀtweeterꢀandꢀwillꢀdisconnectꢀtheꢀtweeterꢀfromꢀ  
theꢀsignalꢀwhenꢀitꢀsensesꢀoverload.ꢀShouldꢀthisꢀoccurꢀ  
whileꢀlisteningꢀtoꢀtheꢀaudioꢀsystem,ꢀsimplyꢀreduceꢀtheꢀ  
volumeꢀforꢀaꢀfewꢀsecondsꢀandꢀtheꢀprotectionꢀcircuitꢀ  
willꢀresetꢀitselfꢀautomatically.  
vehicle,ꢀmanyꢀvehiclesꢀareꢀnotꢀsymmetrical!  
•ꢀAlwaysꢀwearꢀprotectiveꢀeyewear.  
CrossoVer neTworK aDJusTmenT  
Theꢀcrossoverꢀnetworksꢀhaveꢀbeenꢀdesignedꢀtoꢀ  
allowꢀtonalꢀadjustmentsꢀtoꢀtheꢀtweeterꢀlevel.ꢀTheseꢀ  
adjustmentsꢀmakeꢀitꢀpossibleꢀtoꢀfine-tuneꢀyourꢀsystemꢀ  
toꢀsuitꢀyourꢀlisteningꢀpreferencesꢀandꢀtoꢀcompensateꢀ  
forꢀvariousꢀspeakerꢀmountingꢀapplications.ꢀ  
CrossoVer neTworK insTallaTion  
TheꢀcrossoverꢀnetworksꢀsuppliedꢀwithꢀyourꢀC2ꢀ  
Systemꢀshouldꢀbeꢀinstalledꢀinꢀaꢀdryꢀlocationꢀinsideꢀ  
yourꢀvehicle.ꢀDOꢀNOTꢀINSTALLꢀTHEMꢀINSIDEꢀOFꢀ  
AꢀDOOR!ꢀDoorsꢀoftenꢀgetꢀwetꢀonꢀtheꢀinside,ꢀwhichꢀ  
canꢀdamageꢀyourꢀcrossoverꢀnetworksꢀandꢀcouldꢀ  
potentiallyꢀdamageꢀyourꢀentireꢀsoundꢀsystem.ꢀTheꢀ  
crossoversꢀcanꢀbeꢀscrewedꢀintoꢀaꢀsolidꢀsurfaceꢀviaꢀtwoꢀ  
holesꢀlocatedꢀunderꢀtheꢀprotectiveꢀcoverꢀofꢀtheꢀcase.ꢀ  
Toꢀaccessꢀtheseꢀholes,ꢀsimplyꢀsqueezeꢀtheꢀsidesꢀofꢀtheꢀ  
coverꢀwhileꢀgentlyꢀpullingꢀtheꢀcoverꢀawayꢀfromꢀtheꢀ  
base.ꢀMakeꢀsureꢀthatꢀyourꢀmountingꢀlocationꢀwillꢀnotꢀ  
causeꢀdamageꢀtoꢀwiring,ꢀfuelꢀlines,ꢀbrakeꢀlinesꢀorꢀanyꢀ  
otherꢀvitalꢀcomponentꢀofꢀyourꢀvehicle.ꢀOnceꢀyouꢀhaveꢀ  
screwedꢀtheꢀcaseꢀinꢀandꢀmadeꢀyourꢀconnections,ꢀsnapꢀ  
theꢀprotectiveꢀcoverꢀbackꢀintoꢀplace.ꢀ  
WARNING  
!!  
It is absolutely vital that your component system  
is connected as shown in this manual. Failure to  
connect the system as shown may result in damage to  
your speakers which is NOT covered under warranty.  
Do not substitute different crossover networks into  
your C2 System. Do not use crossover networks  
intended for different C2 models.  
Amplifier  
Output  
 
4 | JL Audio - C2-525 Owner’s Manual  
aDJusTaBle TweeTer leVel  
C2ꢀcrossoverꢀnetworksꢀalsoꢀprovideꢀthreeꢀlevelsꢀ  
ofꢀtweeterꢀadjustabilityꢀdesignedꢀtoꢀcompensateꢀforꢀ  
differentꢀmountingꢀlocations,ꢀvehicleꢀinteriorsꢀandꢀ  
personalꢀtaste.ꢀTheseꢀlevelsꢀareꢀselectableꢀviaꢀaꢀsetꢀofꢀ  
pinsꢀlocatedꢀunderꢀtheꢀclearꢀcoverꢀofꢀeachꢀcrossoverꢀ  
case.ꢀWeꢀrecommendꢀthatꢀyouꢀbeginꢀlisteningꢀinꢀtheꢀ  
REF”ꢀ(Reference)ꢀposition.ꢀToꢀfindꢀtheꢀoptimumꢀ  
tonalꢀbalanceꢀinꢀyourꢀinstallation,ꢀexperimentꢀwithꢀ  
alternateꢀtweeterꢀlevelꢀsettingsꢀbyꢀmovingꢀtheꢀpins.ꢀItꢀ  
isꢀsafeꢀtoꢀswitchꢀjumpersꢀwhileꢀtheꢀsystemꢀisꢀplaying.  
 
5
sPeaKer PlaCemenT ConsiDeraTions  
Aꢀcomponentꢀsystemꢀgivesꢀyouꢀtheꢀabilityꢀtoꢀplaceꢀ  
theꢀwooferꢀandꢀtweeterꢀseparatelyꢀinꢀyourꢀvehicleꢀ  
interior.ꢀThisꢀcanꢀbeꢀgoodꢀorꢀbad,ꢀdependingꢀonꢀhowꢀ  
it’sꢀdone.ꢀAsꢀaꢀgeneralꢀrule,ꢀtheꢀtweetersꢀshouldꢀbeꢀ  
placedꢀrelativelyꢀcloseꢀtoꢀtheꢀwoofersꢀforꢀbestꢀtonalꢀ  
balanceꢀandꢀmostꢀcoherentꢀimagingꢀ(theꢀcloser,ꢀtheꢀ  
better).ꢀAnyꢀseparationꢀgreaterꢀthanꢀ8ꢀinchesꢀ(20ꢀcm)ꢀ  
isꢀlikelyꢀtoꢀresultꢀinꢀdegradedꢀsoundꢀquality.ꢀ  
Avoidꢀplacingꢀtweetersꢀwhereꢀtheyꢀwillꢀbeꢀblockedꢀ  
byꢀobjectsꢀinꢀtheꢀinteriorꢀofꢀtheꢀcarꢀ(includingꢀseatedꢀ  
occupants).ꢀWhenꢀselectingꢀaꢀmountingꢀlocation,ꢀ  
lookꢀatꢀbothꢀsidesꢀofꢀtheꢀcarꢀtoꢀmakeꢀsureꢀthatꢀthisꢀ  
locationꢀisꢀclearꢀonꢀbothꢀsides.ꢀ  
Youꢀcanꢀalwaysꢀexperimentꢀwithꢀtweeterꢀ  
placementꢀbeforeꢀcommittingꢀtoꢀaꢀfinalꢀmountingꢀ  
location.ꢀSimplyꢀconnectꢀtheꢀrestꢀofꢀtheꢀsystemꢀandꢀ  
allowꢀplentyꢀofꢀwireꢀlengthꢀforꢀtheꢀtweeters.ꢀUsingꢀ  
Velcro®ꢀorꢀsimilarꢀmaterial,ꢀattachꢀtheꢀtweetersꢀinꢀ  
differentꢀlocationsꢀuntilꢀyouꢀfindꢀtheꢀoneꢀwhereꢀtheyꢀ  
performꢀbest.  
Woofersꢀwillꢀusuallyꢀbeꢀplacedꢀintoꢀfactoryꢀ  
speakerꢀlocations.ꢀIfꢀyouꢀhaveꢀsomeꢀwooferꢀmountingꢀ  
flexibility,ꢀkeepꢀtheꢀfollowingꢀinꢀmind:ꢀLowerꢀ  
mountingꢀlocations,ꢀsuchꢀasꢀtheꢀlowerꢀfrontꢀcornerꢀ  
ofꢀaꢀdoorꢀorꢀaꢀkick-panelꢀprovideꢀtheꢀgreatestꢀpathꢀ  
lengthꢀdistancesꢀforꢀtheꢀsoundꢀemittedꢀbyꢀtheꢀ  
woofer.ꢀForꢀthisꢀreason,ꢀtheyꢀareꢀgenerallyꢀmoreꢀ  
desirableꢀthanꢀhigherꢀmountingꢀlocations.ꢀHigherꢀ  
mountingꢀlocationsꢀoftenꢀresultꢀinꢀextremeꢀnear-  
sideꢀsoundstageꢀbiasꢀwhichꢀcompromisesꢀtheꢀstereoꢀ  
listeningꢀexperience.  
 
6 | JL Audio - C2-525 Owner’s Manual  
DiaGram a: less DesiraBle sPeaKer PlaCemenT  
DiaGram B: more DesiraBle sPeaKer PlaCemenT  
 
7
sPeaKer insTallaTion  
Theꢀspeakerꢀshouldꢀbeꢀinstalledꢀinꢀoneꢀofꢀtheꢀ  
followingꢀwaysꢀdependingꢀonꢀlocation:  
InstallꢀasꢀshownꢀinꢀDiagramꢀCꢀ(pageꢀ9).ꢀUseꢀtheꢀ  
suppliedꢀmountingꢀclipsꢀunlessꢀtheꢀfactoryꢀholesꢀ  
alreadyꢀfeatureꢀthreadedꢀinserts.ꢀꢀHand-tightenꢀtheꢀ  
screwsꢀevenlyꢀtoꢀavoidꢀbendingꢀtheꢀspeakerꢀframe!  
Factory location:ꢀꢀIfꢀyouꢀwillꢀbeꢀusingꢀtheꢀfactoryꢀ  
speakerꢀwires,ꢀitꢀmayꢀbeꢀnecessaryꢀtoꢀchangeꢀtheꢀ  
terminations.ꢀꢀThisꢀmayꢀbeꢀaccomplishedꢀbyꢀusingꢀanꢀ  
adaptorꢀplugꢀorꢀsimplyꢀbyꢀcuttingꢀtheꢀfactoryꢀconnectorꢀ  
offꢀandꢀusingꢀtheꢀsuppliedꢀcrimpꢀconnectorsꢀtoꢀ  
terminateꢀtheꢀspeakerꢀwires.ꢀTheꢀlargeꢀconnectorꢀisꢀforꢀ  
theꢀpositiveꢀterminalꢀandꢀtheꢀsmallꢀconnectorꢀisꢀforꢀtheꢀ  
negativeꢀterminalꢀofꢀeachꢀC2-525.ꢀ  
Youꢀmayꢀalsoꢀchooseꢀtoꢀrunꢀnewꢀspeakerꢀwires...ꢀ  
Runꢀspeakerꢀwireꢀtoꢀtheꢀdesiredꢀmountingꢀ  
locations.ꢀIfꢀyouꢀareꢀrunningꢀwiresꢀintoꢀaꢀdoor,ꢀuseꢀ  
existingꢀfactoryꢀwiringꢀbootsꢀwheneverꢀpossible.ꢀIfꢀ  
youꢀareꢀdrillingꢀnewꢀholes,ꢀfileꢀtheirꢀedgesꢀandꢀinstallꢀ  
rubberꢀgrommetsꢀintoꢀeachꢀhole.ꢀWiresꢀshouldꢀthenꢀ  
beꢀcoveredꢀwithꢀaꢀprotective,ꢀflexibleꢀPVCꢀsleeveꢀandꢀ  
thenꢀrunꢀthroughꢀtheꢀdoorꢀjamb.ꢀMakeꢀsureꢀthatꢀtheꢀ  
wiresꢀwillꢀclearꢀdoorꢀhingesꢀandꢀotherꢀstructuresꢀinꢀ  
theꢀdoor.ꢀIfꢀyouꢀareꢀunsureꢀaboutꢀanyꢀpartꢀofꢀthisꢀ  
process,ꢀpleaseꢀcontactꢀyourꢀJLꢀAudioꢀdealerꢀforꢀ  
installationꢀhelp.  
Custom location:ꢀꢀRunꢀspeakerꢀwireꢀtoꢀtheꢀdesiredꢀ  
mountingꢀlocation.ꢀIfꢀyouꢀareꢀrunningꢀwiresꢀintoꢀ  
aꢀdoor,ꢀuseꢀexistingꢀfactoryꢀwiringꢀbootsꢀwheneverꢀ  
possible.ꢀꢀIfꢀyouꢀareꢀdrillingꢀnewꢀholes,ꢀfileꢀtheirꢀedgesꢀ  
andꢀinstallꢀrubberꢀgrommetsꢀintoꢀeachꢀhole.ꢀꢀThen,ꢀ  
coverꢀtheꢀwiresꢀwithꢀaꢀprotectiveꢀPVCꢀsleeveꢀandꢀrunꢀ  
themꢀthroughꢀtheꢀdoorꢀjamb.ꢀꢀMakeꢀsureꢀthatꢀtheꢀwiresꢀ  
willꢀclearꢀdoorꢀhingesꢀandꢀotherꢀstructuresꢀinꢀtheꢀdoor.ꢀꢀ  
Ifꢀyouꢀareꢀunsureꢀaboutꢀanyꢀpartꢀofꢀthisꢀprocess,ꢀpleaseꢀ  
contactꢀyourꢀJLꢀAUDIOꢀdealerꢀforꢀinstallationꢀhelp.  
WARNING  
!!  
Double check the clearance for both speakers  
before proceeding. Many cars are different from  
one side to the other!  
Selectꢀanꢀevenꢀsurface.ꢀTighteningꢀaꢀspeakerꢀontoꢀ  
anꢀunevenꢀsurfaceꢀcanꢀdamageꢀit.ꢀUseꢀtheꢀsuppliedꢀ  
templateꢀtoꢀmarkꢀtheꢀdesiredꢀmountingꢀlocation.ꢀMarkꢀ  
theꢀcenterꢀandꢀtheꢀoutlineꢀofꢀtheꢀmountingꢀholeꢀasꢀwellꢀ  
asꢀtheꢀmountingꢀscrewꢀpositions.ꢀBeforeꢀdrillingꢀorꢀ  
cuttingꢀonꢀyourꢀinteriorꢀpanels,ꢀuseꢀaꢀutilityꢀknifeꢀtoꢀcutꢀ  
anyꢀfabric,ꢀvinylꢀorꢀleatherꢀfromꢀholeꢀlocations.ꢀTheseꢀ  
materialsꢀcanꢀeasilyꢀbeꢀsnaggedꢀbyꢀaꢀdrillꢀorꢀaꢀsaw,ꢀ  
causingꢀdamageꢀtoꢀtheꢀpanelꢀandꢀpossibleꢀbodilyꢀinjury.ꢀ  
Drillꢀfourꢀ1/8-inchꢀ(3ꢀmm)ꢀholesꢀforꢀtheꢀspeaker’sꢀ  
mountingꢀscrewsꢀatꢀtheꢀpositionsꢀyouꢀhaveꢀmarked.ꢀ  
Alsoꢀdrillꢀaꢀpilotꢀholeꢀinꢀtheꢀcenterꢀofꢀtheꢀspeakerꢀ  
mountingꢀholeꢀatꢀthisꢀtime.ꢀThen,ꢀusingꢀaꢀꢀ  
WARNING  
!!  
Double check the clearance for both speakers  
before proceeding. Many cars are different from  
one side to the other!  
Yourꢀnewꢀspeakersꢀhaveꢀbeenꢀdesignedꢀtoꢀinstall,ꢀ  
withoutꢀmodifications,ꢀintoꢀmostꢀvehiclesꢀthatꢀacceptꢀ  
aꢀ5.25-inchꢀ(130ꢀmm)ꢀspeaker.ꢀMostꢀfactoryꢀ5.25ꢀ  
-inchꢀspeakersꢀuseꢀfourꢀmountingꢀscrewsꢀwhichꢀwillꢀ  
lineꢀupꢀwithꢀtheꢀmountingꢀholesꢀonꢀyourꢀC2-525ꢀ  
speakers.ꢀOthersꢀuseꢀaꢀ3-holeꢀmountingꢀsystemꢀwhichꢀ  
isꢀaccommodatedꢀbyꢀaꢀseparateꢀsetꢀofꢀmountingꢀ  
holesꢀonꢀtheꢀframesꢀofꢀyourꢀC2-525ꢀspeakers.  
Itꢀisꢀabsolutelyꢀvitalꢀthatꢀtheꢀspeakerꢀframeꢀ  
saberꢀsaw,ꢀmakeꢀtheꢀcircularꢀcutꢀoutꢀforꢀtheꢀspeaker.ꢀ  
Fileꢀanyꢀroughꢀedges.ꢀInsertꢀtheꢀmountingꢀclipsꢀwithꢀ  
theꢀflatꢀsideꢀtowardsꢀtheꢀspeakerꢀasꢀshownꢀinꢀꢀ  
fitsꢀintoꢀtheꢀmountingꢀholeꢀcleanly.ꢀThisꢀmustꢀbeꢀ  
checkedꢀpriorꢀtoꢀtighteningꢀtheꢀscrews.ꢀDoꢀnotꢀ  
forceꢀtheꢀframeꢀintoꢀaꢀholeꢀthatꢀisꢀtooꢀsmall.ꢀDoꢀ  
notꢀtightenꢀtheꢀspeakerꢀontoꢀanꢀunevenꢀsurface.ꢀ  
Thisꢀwillꢀdamageꢀyourꢀspeakers.ꢀTheꢀspeakerꢀ  
shouldꢀalsoꢀfitꢀsoꢀthatꢀairꢀdoesꢀnotꢀleakꢀaroundꢀ  
theꢀmountingꢀflange.ꢀAirꢀleaksꢀwillꢀcauseꢀaꢀsevereꢀ  
degradationꢀinꢀsoundꢀquality.ꢀSealꢀanyꢀairꢀleaksꢀ  
withꢀanꢀautomotive-gradeꢀsealantꢀmaterial.  
DiagramꢀDꢀ(pageꢀ9).  
Itꢀisꢀabsolutelyꢀvitalꢀthatꢀtheꢀspeakerꢀframeꢀfitsꢀintoꢀ  
theꢀmountingꢀholeꢀcleanly.ꢀThisꢀmustꢀbeꢀcheckedꢀpriorꢀ  
toꢀtighteningꢀtheꢀscrews.ꢀDoꢀnotꢀforceꢀtheꢀframeꢀintoꢀaꢀ  
holeꢀthatꢀisꢀtooꢀsmall.ꢀDoꢀnotꢀtightenꢀtheꢀspeakerꢀontoꢀ  
anꢀunevenꢀsurface.ꢀThisꢀwillꢀdamageꢀyourꢀspeakers.ꢀ  
Theꢀspeakerꢀshouldꢀalsoꢀfitꢀsoꢀthatꢀairꢀdoesꢀnotꢀleakꢀ  
aroundꢀtheꢀmountingꢀflange.ꢀAirꢀleaksꢀwillꢀcauseꢀaꢀ  
severeꢀdegradationꢀinꢀsoundꢀquality.ꢀSealꢀanyꢀairꢀleaksꢀ  
withꢀanꢀautomotive-gradeꢀsealantꢀmaterial.  
 
8 | JL Audio - C2-525 Owner’s Manual  
WARNING  
!!  
Connectꢀtheꢀspeakerꢀwires,ꢀobservingꢀcorrectꢀ  
polarity,ꢀandꢀinstallꢀtheꢀspeakerꢀandꢀgrilleꢀassemblyꢀ  
asꢀshownꢀinꢀDiagramꢀDꢀ(below).ꢀHand-tightenꢀtheꢀ  
screwsꢀevenlyꢀtoꢀavoidꢀbendingꢀtheꢀspeakerꢀframe!  
TheꢀincludedꢀJLꢀAudioꢀlogoꢀnameꢀbadgesꢀshouldꢀ  
beꢀaffixedꢀtoꢀtheꢀcircularꢀindentedꢀareaꢀinꢀtheꢀlowerꢀ  
partꢀofꢀeachꢀgrilleꢀassembly.ꢀIfꢀtheꢀgrilleꢀassemblyꢀisꢀ  
notꢀused,ꢀtheꢀJLꢀAudioꢀlogoꢀbadgesꢀcanꢀbeꢀaffixedꢀ  
elsewhereꢀasꢀcreativeꢀadditionsꢀtoꢀyourꢀinstallation.  
Hand-tighten the screws evenly in a criss-cross  
pattern to avoid bending the speaker frame or  
stripping the mounting clips.  
DiaGram C: FaCTory loCaTion wooFer insTallaTion  
DiaGram D: CusTom loCaTion wooFer insTallaTion  
 
9
TweeTer insTallaTion  
First,ꢀrunꢀspeakerꢀwiresꢀfromꢀtheꢀtweeterꢀoutputꢀofꢀ  
theꢀcrossoverꢀ(seeꢀdiagramsꢀonꢀpageꢀ5)ꢀtoꢀtheꢀdesiredꢀ  
tweeterꢀmountingꢀlocations,ꢀobservingꢀtheꢀsameꢀ  
precautionsꢀasꢀmentionedꢀinꢀtheꢀwooferꢀinstallationꢀ  
section.ꢀTerminateꢀtheꢀwiresꢀwithꢀtheꢀsuppliedꢀ2.8ꢀ  
mmꢀandꢀ4.7ꢀmmꢀmaleꢀcrimpableꢀconnectors.  
surface-mount:ꢀInꢀthisꢀapplication,ꢀyouꢀwillꢀnotꢀ  
needꢀtoꢀcutꢀlargeꢀholesꢀinꢀyourꢀvehicle’sꢀpanelsꢀforꢀtheꢀ  
tweeters.ꢀYouꢀwillꢀonlyꢀneedꢀtoꢀdrillꢀaꢀholeꢀforꢀtheꢀwiresꢀ  
andꢀtwoꢀsmallerꢀholesꢀforꢀtheꢀmountingꢀscrews.ꢀThisꢀ  
applicationꢀisꢀusefulꢀwhenꢀmountingꢀtheꢀtweetersꢀtoꢀaꢀ  
panelꢀthatꢀhasꢀinsufficientꢀclearanceꢀbehindꢀitꢀforꢀtheꢀ  
tweeter’sꢀmagnetꢀstructure.  
TweeTer FiXTure insTallaTion  
Theꢀdomeꢀtweetersꢀsuppliedꢀwithꢀyourꢀꢀ  
C2-525ꢀsystemꢀhaveꢀbeenꢀdesignedꢀforꢀmaximumꢀ  
mountingꢀversatility.ꢀThereꢀareꢀtwoꢀprimaryꢀ  
methodsꢀbyꢀwhichꢀtheꢀtweetersꢀcanꢀbeꢀmountedꢀinꢀ  
yourꢀvehicle:  
Usingꢀtheꢀfixtureꢀasꢀaꢀtemplate,ꢀmarkꢀtheꢀscrewꢀholeꢀ  
locationsꢀandꢀaꢀlocationꢀinꢀtheꢀcenterꢀofꢀtheꢀfixtureꢀforꢀ  
theꢀwireꢀhole.ꢀRemoveꢀtheꢀfixtureꢀandꢀdrillꢀpilotꢀholesꢀ  
forꢀtheꢀscrewsꢀandꢀaꢀ1/8-inchꢀ(3ꢀmm)ꢀforꢀtheꢀwires.ꢀꢀUseꢀ  
theꢀsuppliedꢀ#6ꢀxꢀ1-inchꢀsheetꢀmetalꢀscrewsꢀtoꢀsecureꢀ  
theꢀfixtureꢀasꢀshownꢀinꢀDiagramꢀFꢀ(hand-tighten).ꢀRunꢀ  
theꢀtweeter’sꢀwiresꢀthroughꢀtheꢀhole,ꢀmakeꢀappropriateꢀ  
connectionsꢀandꢀinsertꢀtheꢀtweeterꢀintoꢀtheꢀmountingꢀ  
cup.ꢀPushꢀtheꢀtweeterꢀdownꢀandꢀrotateꢀitꢀclockwiseꢀtoꢀ  
lockꢀitꢀintoꢀplace.  
Flush-mount:ꢀForꢀtweeterꢀintegrationꢀinꢀaꢀclean,ꢀ  
unobtrusiveꢀmanner,ꢀyouꢀwillꢀuseꢀtheꢀsuppliedꢀ  
flush-mountꢀcups.ꢀThisꢀcompactꢀmountingꢀfixtureꢀisꢀ  
installedꢀusingꢀtheꢀmethodꢀillustratedꢀinꢀDiagramꢀEꢀ  
andꢀrequiresꢀaꢀmountingꢀholeꢀwithꢀaꢀdiameterꢀofꢀ1.625ꢀ  
in.ꢀ(41.28ꢀmm).ꢀ  
Atꢀleastꢀ0.76ꢀin.ꢀ(19.3ꢀmm)ꢀofꢀclearanceꢀisꢀrequiredꢀ  
behindꢀtheꢀmountingꢀsurfaceꢀofꢀtheꢀtweeterꢀforꢀtheꢀ  
springꢀclipsꢀandꢀ1.18-inchꢀmachineꢀscrewsꢀusedꢀinꢀ  
mountingꢀtheꢀfixture.ꢀItꢀmayꢀbeꢀnecessaryꢀinꢀsomeꢀ  
limitedꢀdepthꢀapplicationsꢀtoꢀcutꢀdownꢀtheꢀlengthꢀ  
ofꢀtheꢀmachineꢀscrew,ꢀorꢀtoꢀuseꢀaꢀshorterꢀscrewꢀ(notꢀ  
supplied).ꢀHand-tightenꢀtheꢀmachineꢀscrewꢀuntilꢀtheꢀ  
fixtureꢀisꢀsecure.ꢀRunꢀtheꢀtweeter’sꢀwiresꢀthroughꢀtheꢀ  
hole,ꢀmakeꢀappropriateꢀconnectionsꢀandꢀinsertꢀtheꢀ  
tweeterꢀintoꢀtheꢀmountingꢀcup.ꢀPushꢀtheꢀtweeterꢀdownꢀ  
andꢀrotateꢀitꢀclockwiseꢀtoꢀlockꢀitꢀintoꢀplace.  
 
10 | JL Audio - C2-525 Owner’s Manual  
DiaGram e: FlusH-mounT TweeTer insTallaTion  
DiaGram F: surFaCe-mounT TweeTer insTallaTion  
 
11  
limiTeD warranTy - auTomoTiVe sPeaKer sysTems (usa)  
JLꢀAUDIOꢀwarrantsꢀtheseꢀspeakersꢀ(andꢀcrossoverꢀnetworks,ꢀwhereꢀapplicable)ꢀtoꢀbeꢀfreeꢀofꢀdefectsꢀinꢀ  
materialsꢀandꢀworkmanshipꢀforꢀaꢀperiodꢀofꢀone (1) year.  
Thisꢀwarrantyꢀisꢀnotꢀtransferableꢀandꢀappliesꢀonlyꢀtoꢀtheꢀoriginalꢀpurchaserꢀfromꢀanꢀauthorizedꢀꢀ  
JLꢀAUDIOꢀdealer.ꢀꢀShouldꢀserviceꢀbeꢀnecessaryꢀunderꢀthisꢀwarrantyꢀforꢀanyꢀreasonꢀdueꢀtoꢀmanufacturingꢀ  
defectꢀorꢀmalfunction,ꢀJLꢀAUDIOꢀwillꢀ(atꢀitsꢀdiscretion),ꢀrepairꢀorꢀreplaceꢀtheꢀdefectiveꢀproductꢀwithꢀnewꢀorꢀ  
remanufacturedꢀproductꢀatꢀnoꢀcharge.ꢀDamageꢀcausedꢀbyꢀtheꢀfollowingꢀisꢀnotꢀcoveredꢀunderꢀwarranty:ꢀaccident,ꢀ  
misuse,ꢀabuse,ꢀproductꢀmodificationꢀorꢀneglect,ꢀfailureꢀtoꢀfollowꢀinstallationꢀinstructions,ꢀunauthorizedꢀrepairꢀ  
attempts,ꢀmisrepresentationsꢀbyꢀtheꢀseller.ꢀꢀThisꢀwarrantyꢀdoesꢀnotꢀcoverꢀincidentalꢀorꢀconsequentialꢀdamagesꢀ  
andꢀdoesꢀnotꢀcoverꢀtheꢀcostꢀofꢀremovingꢀorꢀreinstallingꢀtheꢀunit(s).ꢀꢀCosmeticꢀdamageꢀdueꢀtoꢀaccidentꢀorꢀnormalꢀ  
wearꢀandꢀtearꢀisꢀnotꢀcoveredꢀunderꢀwarranty.  
Anyꢀapplicableꢀimpliedꢀwarrantiesꢀareꢀlimitedꢀinꢀdurationꢀtoꢀtheꢀperiodꢀofꢀtheꢀexpressꢀwarrantyꢀasꢀprovidedꢀ  
hereinꢀbeginningꢀwithꢀtheꢀdateꢀofꢀtheꢀoriginalꢀpurchaseꢀatꢀretail,ꢀandꢀnoꢀwarranties,ꢀwhetherꢀexpressꢀorꢀimplied,ꢀ  
shallꢀapplyꢀtoꢀthisꢀproductꢀthereafter.ꢀꢀSomeꢀstatesꢀdoꢀnotꢀallowꢀlimitationsꢀonꢀimpliedꢀwarranties,ꢀthereforeꢀ  
theseꢀexclusionsꢀmayꢀnotꢀapplyꢀtoꢀyou.ꢀꢀThisꢀwarrantyꢀgivesꢀyouꢀspecificꢀlegalꢀrights,ꢀandꢀyouꢀmayꢀalsoꢀhaveꢀ  
otherꢀrightsꢀwhichꢀvaryꢀfromꢀstateꢀtoꢀstate.  
if you need service on your Jl auDio product:  
AllꢀwarrantyꢀreturnsꢀshouldꢀbeꢀsentꢀtoꢀJLꢀAUDIOꢀfreightꢀprepaidꢀthroughꢀanꢀauthorizedꢀJLꢀAUDIOꢀ  
dealerꢀandꢀmustꢀbeꢀaccompaniedꢀbyꢀproofꢀofꢀpurchaseꢀ(aꢀcopyꢀofꢀtheꢀoriginalꢀsalesꢀreceipt.)ꢀꢀDirectꢀ  
returnsꢀfromꢀconsumersꢀorꢀnon-authorizedꢀdealersꢀwillꢀbeꢀrefusedꢀunlessꢀspecificallyꢀauthorizedꢀbyꢀ  
JLꢀAUDIOꢀwithꢀaꢀvalidꢀreturnꢀauthorizationꢀnumber.ꢀꢀWarrantyꢀexpirationꢀonꢀproductsꢀreturnedꢀ  
withoutꢀproofꢀofꢀpurchaseꢀwillꢀbeꢀdeterminedꢀfromꢀtheꢀmanufacturingꢀdateꢀcode.ꢀCoverageꢀmayꢀbeꢀ  
invalidatedꢀasꢀthisꢀdateꢀisꢀpreviousꢀtoꢀpurchaseꢀdate.ꢀꢀReturnꢀonlyꢀdefectiveꢀcomponents.ꢀꢀIfꢀoneꢀspeakerꢀ  
failsꢀinꢀaꢀsystem,ꢀreturnꢀonlyꢀthatꢀspeakerꢀcomponent,ꢀnotꢀtheꢀentireꢀsystem.ꢀNon-defectiveꢀitemsꢀ  
receivedꢀwillꢀbeꢀreturnedꢀfreight-collect.ꢀꢀCustomerꢀisꢀresponsibleꢀforꢀshippingꢀchargesꢀandꢀinsuranceꢀ  
inꢀsendingꢀtheꢀproductꢀtoꢀJLꢀAUDIO.ꢀꢀFreightꢀdamageꢀonꢀreturnsꢀisꢀnotꢀcoveredꢀunderꢀwarranty.ꢀ  
For service information in the u.s.a. please call  
Jl audio Customer service: (954) 443-1100  
9:00 AM – 5:30 PM (Eastern Time Zone)  
Jl audio, inc  
10369 North Commerce Pkwy.  
Miramar, FL 33025  
international warranties:  
Products purchased outside the United States of America are covered only  
by that country’s distributor and not by JL Audio, Inc.  
 
C2-525-05202009  
Printed in China  

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