ARC Audio KS-125.2 Mini Owners manual

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4HANK YOU FOR PURCHASINGSAN !2# !UDIO (I 0ERFORMANCEE!MPLIFIER

4HISI!2# !UDIO AMPLIFIER USESIAF&ULLL2ANGE #LASS ( ARCHITECTURE THATHSIGNIFICANTLYN IMPROVES EFFICIENTLY WITHOUT COMPROMISEITOOTHETSOUND QUALITY $ON TTBE FOOLEDLBYYTHET SMALLASIZE #LASS ' MAKEEMOREEPOWER FOR THEREESIZEETHEN TRADITIONAL DESIGNS AND OFFER MUCH LOWER 4($ AND HIGHERN$AMPINGIFACTORSRTHEN &ULLL2ANGE #LASS $ DESIGNS

!2#2!UDIO 3/,)$,#/.3425#4)/.5FOR 3/5.$ #AR !UDIO 3YSTEMS

7ARNING

7EEBUILDUALLL!2##!UDIO PRODUCTS TO PLAY ATPHIGH VOLUMES FOR EXTENDEDDPERIODSPOF TIME 9OURUEARSHOWEVERARENOT DESIGNEDTFORDHIGH VOLUMEULISTENING 4HIS PRODUCTT CAN EASILYAGENERATETVOLUMES THATSCAN PERMANENTLY DAMAGENYOURUHEARING 7EEURGE YOUTOLIMITYOURUEXPOSURE TOOVERYYHIGHVOLUMEUSOUND

9OU MAY ALSOYFIND YOURUSTATESHASALAWSSGOVERNINGTHEVOLUMEUOFANNAUDIOUSYSTEMINSAY CAR 0LEASE BESAWARE OF ALLFLOCAL AND STATE LAWSSINYOU AREA

!!PROPERLY TUNED AND OPERATED AUDIO SYSTEMIWILLDELIVERYEARSOFFENJOYMENTEWHEN USED PROPERLY

)NSTALLATION )NSTRUCTIONS

!2#2!UDIO +!2 3ERIESI!MPLIFIERS AREEDESIGNED FOR EASYEINSTALLATIONOIN YOURUVEHICLE 4O ENSUREEPROPER OPERATIONIOF YOURUNEW PURCHASE PLEASEEFOLLOWWTHE SUGGESTIONS WEE HAVEELISTED BELOW

7ARNING

0LEASE CHECK THE SUITABILITYYOF THE INSTALLATIONNLOCATIONIBEFOREEYOU BEGIN $OONOTNCUTTANYCOF THEHCAR SSSTRUCTURE 0AY CLOSE ATTENTION TOTWHAT ISTBEHIND THE PANELS ORLCARPET /FTENETHE MANUFACTURE WILL HIDE WIRES COMPUTERS OREOTHER ELECTRONIC DEVICES IN THENEXACTTAREASRYOU WISH TOHINSTALL IN

)FFYOU DO NOTOHAVEEEXPERIENCEEWITH AUTOMOTIVEEELECTRICAL AND MECHANICAL SYSTEMS CONTACTT AAPROFESSIONAL INSTALLER 0AYING A QUALIFIED INSTALLER ISEALMOSTTALWAYS CHEAPER THENPPAYING AADEALERSHIP TORREPAIR YOURUCAR

,OCATING THE !MPLIFIER

4HE AMPLIFIERSLMUST BEESECURELYLMOUNTED TOOA SOLIDSSURFACE 0LEASESSELECTTA DRYY LOCATION INITHENTRUNKNOR PASSENGER COMPARTMENTEONLY $OONOTNMOUNT THE AMPLIFIER TOO ANYYAREA THATTMAYYHAVEEEXCESSIVEEVIBRATIONI LIKEETHETSUBWOOFER BOX 0OSITIONTTHEO AMPLIFIERIIN ANEAREA THATTRECEIVES SUFFICIENTFAIRFLOWWFOR PROPERRHEAT DISSIPATION

3UPPLYINGL%NOUGH 0OWER

4HE ,AWSSOF .ATURE

9OURUAMPLIFIERP$OESE./44MAKEEPOWER )TTCONVERTS POWER OROCURRENT FROM YOURU CARS ELECTRICAL SYSTEM AND TURNS ITTINTOOA HIGH POWER MUSICAL ENERGY )FFTHETAMPE CANgTNGETTALLGTHETPOWER IT NEEDS IT WILLDNOT PRODUCEEITSIFULL OUTPUT 9OURU!2# !UDIO AMPLIFIER WILLIPRODUCEE&ULLLOUTPUT FOR LONGEROTHEN OTHER AMPS ONSTHEO MARKET TODAY )FFTHET6OLTAGE ORG#URRENT DROPSPTOO LOWWEVEN OUR AMPLIFIERS WILLE DROP BELOWW THEIR RATED OUTPUT -AKEESUREEYOURUVEHICLE CHARGING SYSTEM IS IN GOOD WORKINGNORDER !NYY(I 0ERFORMANCEEAUDIOUAMPLIFIERAWILL INCREASE THE DEMAND ONNYOURUALTERNATOR AND BATTERY )FFYOU AREEUNSUREEHAVEEYOURUCHARGING SYSTEM TESTED BYYA PROFESSIONAL TECHNICIAN

4HE 'ROUND

7ARNING 2EADETHIS #AREFULLY

4HE GROUND WIREESHOULD BEUCONNECTED DIRECTLYLTOOTHETCHASSISCOF YOURUVEHICLE &INDNADCLEAR LOCATION CLOSE TOOTHETAMPLIFIERMANDLREMOVEEALLATHE PAINT AND SOUND DEADENER 5SE A OR LARGERESCREW TOOSECUREEIT .EVER USE SEATBELTEBOLTS FOR GROUNDING

2EMEMBER THE GROUND MUST CARRYYTHETSAME HIGHACURRENT AS THESPOSITIVEEPOWER WIRE

4OOREDUCEETHETRISK OFRNOISE RUNUALL SIGNAL CABLESGAWAYYFROM ANYYVEHICLE ORLPOWER SUPPLY WIRING

2UNNINGNTHEN#ABLES

#AREFULLY RUN THE POWER AND SIGNAL CABLES THROUGH THE PASSENGER COMPARTMENTE OF THE VEHICLE !LWAYS USE A RUBBERAGROMMETMTOOPREVENTNTHE POWERRWIREEFROM SHORTING AND TOOREDUCEETHETRISK OFRFIRE ! GAUGE ORALARGEREWIREESHOULD BEUUSED FOR POWER AND GROUND CONNECTIONS 7EERECOMMEND A FUSE BE INSTALLEDEON THE POWER WIREEWITHIN HINCHES OF THEIBATTERYYFOR SAFETY

3ETTING THE 'AINS

3O YOUgREEWORRIED THATDYOURU R6OLTLOUTPUT HEADPUNIT WILLEBE TOO MUCHUFOR THE !2#2!UDIOgS 6OLTLINPUTISTAGE

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!2#2!UDIO !MPLIFIERSPINPUTFSTAGERIS RATED TOO VOLTS 2-3 +(Z WITHOUT CLIPPING

-USICSIS VERYYDYNAMIC .OTHINGHLIKEEA +(Z TESTSTONE )TTWOULD BE RAREETOOSEESAE PEAK ASKHIGH AS AHTESTSTONE &URTHERMORE YOURUHEAD UNITAPRODUCES ITS OUTPUT AT FULL VOLUMEUBUTEWHEN YOU TUNETYOURUSYSTEM YOU ALWAYSSSETSTHETHEAD UNITUTOOOF MAXIMUM VOLUME

 

 

ARC Audio KS-125.2 Mini Owners manual

)NPUTP3ECTION

"ECAUSEAOF THE WIDEFRANGE OFEHEAD UNITHOUTPUT CONFIGURATIONS ALLL!2#!!UDIO AMPLIFIERSP HAVEEAN ADJUSTABLEJINPUTTSENSITIVITYYOR h'AINv4HE GAINGIS NOT A VOLUMEUOR A POWER LIMITING CONTROL LIKEEA THROTTLE )TTMAKES THE AMP MOREESENSITIVEETOOINPUTNFROM THE STEREO 7ITH THE GAINHUP THE AMP WILLUREACH FULL OUTPUT AT AOLOWER VOLUME SETTING ONTTHENDECK !TT HIGHER GAINRSETTINGS THE AMP ALSOIBECOMES MOREESENSITIVEETOONOISE FROM THE CAR S ELECTRICAL SYSTEM 4RYYTOORUNRTHENGAIN ATETHEGLOWESTSSETTINGEPOSSIBLE FOR YOU SYSTEM

4HEREEIS NOSCORRECTTGAIN SETTING "ECAUSEA SPEAKERSRREQUIREEDIFFERENTNPOWER DEMANDS TOO REACH THE SAMEHOUTPUT THE GAINS MOSTIOFTEN NEED TOOBE USED TOOCOMPENSATEEFOR THESE DIFFERENCES )FFYOU TRIED TOOSETSALLTTHEAGAINS AT HALF WAYYYOU WOULD PROBABLY FINDYTHEFSYSTEM DIDN T SOUNDUVERYYGOOD 5SING GOOD JUDGMENT AND LISTENINGICAREFULLY TOOEACH SPEAKER IS STILL THETBEST WAYYTOOTUNE A SYSTEM

#ROSSOVER #ONTROLS

!!CROSSOVER IS AIDEVICEETHAT REMOVES UNWANTED FREQUENCIESNFROM AASPEAKER OR AMPLIFIER ! TWEETER CAN EASILY BE DESTROYED BYYBASS NOTES IF THEYEAREENOTNFILTERED OUT ,IKEWISEIASSUBWOOFER WILLWNOTLSOUNDNNATURAL IF IT IS PLAYING MIDRANGE NOTES ! CROSSOVER REMOVES THESE

SOUNDS FROM THE SPEAKER !S YOU MIGHT GUESS CAREFUL ADJUSTMENT ISMNEED TOOENSUREE THAT ALL THE SPEAKERSRAREE PLAYING THE RIGHT SOUNDSIANDH THAT YOU AREELEFTTWITH NOT hHOLESv OR LOWWSPOTSPIN THE FREQUENCYYRESPONSE

"ASS "OOST

4HISIAMP HASMAN ADJUSTABLEABASS BOOST /N THE CHANNEL +3 THE H"ASS "OOST WILL BE DIRECTED TOOTHETFRONTNSPEAKERS "EGINEYOURUADJUSTMENTSUAT LOWWVOLUME )FFYOU DO NOTO HEAR ANYYIMPROVEMENTETHEN THE

WOOFER DOESDNOTENEED ANYYBOOST

5SE "ASS""OOSTSCAREFULLY 4HE DEMANDS ON POWER OUTPUTUAREETREMENDOUS 4RYY TOOMINIMIZEETHETUSEEBYYCHANGING WOOFER POSITIONSOR THE ENCLOSUREESIZE

3PEAKER OUTPUTS

4HISIAMPLIFIERPIS A MULTI CHANNEL AMPLIFIER DESIGN -EANING ITNHASAMOREETHAN ONE CHANNELNOF SPEAKER OUTPUTS )TTIS EQUIPPEDQWITH A LARGE BLOCK STYLELTERMINALIFOR SPEAKER CONNECTION -AKEETHIS CONNECTION CAREFULLY AND NEATLY 3TRIPRYOUR WIREEBACK AND TWIST THEHEXPOSEDXLEADSSANDDINSERTTTHEM INTOOTHETBLOCK TERMINALIWHILE BEING CAREFUL THAT THEREEIS NOSLOOSEOOR FRAYED STRANDS OFSWIREEANDA

TIGHTEN THE 0HILLIPS0HEAD SCREW DOWN ON THEN TERMINAL TILLLTHETWIREEIS TIGHTLY SECURED IN PLACE )FFTHETWIRES EVER COMEMIN CONTACTTWITH EACH OTHER THE AMPLIFIER WILL GO INTOOPROTEC

TION

+NOWWYOURUTOTAL OHM LOADHBEFOREEYOU MAKEE ANYYCONNECTIONS

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4HE +3 MINI USES A 0ATENTN0ENDING !UTOO3ENSE 4URN ON CIRCUITITHAT OFFERSRASSIGNIFICANTG IMPROVEMENTEIN RELIABILITYYOVER PREVIOUS DESIGNS )NSTEADAOF RELAYING ONGTHEOMUSICTTOOSUPPLY ENOUGH SIGNAL TOOTURN THE AMPLIFIER ON 2OBERTT:EFF SSNEWNDESIGNNDETECTS THE )#H CHIP USED IN THE VASTSMAJORITYYOF STOCKCHEAD UNITS AND AMPLIFIERS

7HEN USING THE AUTOOSENSEEFEATUREETHETREMOTEEINPUTNON THE POWER STRIP BECOMES A REMOTEE OUTPUT REVERSING THE REMOTEETURN ONRCONNECTION TOOTURN ONRTHE RESTSOF YOURUAMPLIFIERS L

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