SKP Pro Audio SK-6P User manual

SK-6P
OWNER'S MANUAL
www.skpaudio.com

Contents
Safety Instructions
warningImportantSafetyInstructionsAbout the SK-6P
ApplicationsFeaturesQuickstart
Controls and Connections
ConnectorsSwitchesMix/LoopControlsIndicatorsVoltage Selection And Fuses
ChangingVoltageFuseReplacementApplication Examples
DJSystemwithPassiveSubwoofersKeyboardAmplificationandMixingReference
Connections-BalancedandUnbalancedCablesandConnectorsLoudspeakerPlacementandMountingBlock Diagram
Troubleshooting
Specifications
Frequency Response
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112
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445566
667
889
9101111
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CAUTION
ATTENTION
FOR CONTINUED PROTECTION AGAINST RISK
OF FIRE, REPLACE ONLY WITH SAME TYPE FUSE
UTILISER UN FUSIBLE DE
RECHANGE DE MEME TYPE
WARNING
DO NOT EXPOSE THIS EQUIPMENT
TO RAIN OR MOISTURE
AVIS
RISQUE DE CHOC ELECTRONIQUE
NE PAS OUVRIR
CAUTIONCAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
SK-6P Safety Instructions
Safety Instructions
WARNING: Toreducetheriskoffireorelectricshock,donotexposethisunittorainormoisture.Toreducethehazardofelectricalshock,donotremovecoverorback.Nouserserviceablepartsinside.Pleasereferallservicingtoqualifiedpersonnel.Thelightningflashwithanarrowheadsymbolwithinanequilateraltriangle,withintheproductsenclosurethatmaybeofsufficientmagnitudetoconstituteariskofelectricshocktopersons.Theexclamationpointwithinanequilateraltriangleisintendedtoalerttheusertothepresenceofimportantoperatingandmaintenance(servicing)instructionsintheliteratureaccompanyingtheproduct.Important Safety Instructions
1.Pleasereadallinstructionsbeforeoperatingtheunit.2.Keeptheseinstructionsforfuturereference.3.Pleaseheedallsafetywarnings.4.Followmanufacturersinstructions.5.Donotusethisunitnearwaterormoisture.6.Cleanonlywithadampcloth.7.Donotblockanyoftheventilationopenings.Installinaccordancewiththemanufacturersinstructions.8.Donotinstallnearanyheatsourcessuchasradiators,heatregisters,stoves,orotherapparatus(includingamplifiers)thatproduceheat.9.Donotdefeatthesafetypurposeofthepolarizedorgrounding-typeplug.Apolarizedplughastwobladeswithonewiderthantheother.Agroundingtypeplughastwobladesandathirdgroundingprong.Thewidebladeorthirdprongisprovidedforyoursafety.Whentheprovidedplugdoesnotfityouroutlet,consultanelectricianforreplacementoftheobsoleteoutlet.10.Protectthepowercordfrombeingwalkedonandpinchedparticularlyatplugs,conveniencereceptaclesandatthepointatwhichtheyexitfromtheunit.11.Unplugthisunitduringlightningstormsorwhenunusedforlongperiodsoftime.12.Referallservicingtoqualifiedpersonnel.Servicingisrequiredwhentheunithasbeendamagedinanyway,suchaspowersupplycordorplugdamage,orifliquidhasbeenspilledorobjectshavefallenintotheunit,theunithasbeenexposedtorainormoisture,doesnotoperatenormally,orhasbeendropped.1

Livesoundreinforcement,speechandvocals,musicplaybackinentertainment,A/V,andinstitutionalvenues-especiallywheneaseofuseandportabilityareimportantfactors.Amplification,mixing,andmonitoringforelectronicmusicalinstruments.SK-6P ABOUT THE SK-6P
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ABOUT THE SK-6P
Ofoneofthemostsuccessfulandinfluentialprofessionalspeakersystemsever.15"DifferentialDrivelow-frequencydriverwithdualneodymiummagnetforlow-distortionandlightweight.Builtin3-inputmixer.Onebalancedmic/lineinput,two1/4"phoneline-levelinputs.Two-bandequalization.Balancedloop-through/mixoutput."Daisy-chain"additionalSK-6Pspeakersorsendthemixedoutputtoamixingconsole.ThermomasterTotalThermalManagementSystem.Asinglepiece,cast-aluminumbaffleintegratesthewooferframe,horn,andamplifierheat-sink.Airmovementinthefinnedportsdissipatesheat-nointernalorexternalcoolingfansarerequired.Rugged,light-weight,blackco-polymerenclosurewithcastaluminumbaffle.Integral35mmpolemountreceptaclewithsecuringthumbscrew.Multi-angleenclosureforfrontofhouseorstagemonitorapplication.Tailoreddynamicprocessingprotectsamplifiersandspeakersfrombeingover-drivenwithoutproducingextremechangesinfrequencyresponseaslevelvaries.Extendedlow-frequencyperformance.Deliverspowerfulbassdownto40Hz.Features
Applications RRR

QUICKSTART
1.TurntheINPUT1,2,and3controlsfullycounter-clockwise.2.SettheMIC/LINEswitch.IfamicrophonewillbeconnecteddirectlytoINPUT1,settheMIC/LINEposition(disengaged).TheMICLEDwillnotilluminatewhenpoweristurnedon.Ifamixer,CDplayer,cassettetape,orelectronicmusicalinstrument(the"source")willbeconnecteddirectlytoINPUT1,settheMIC/LINEswitchtotheLINEposition(disengaged).TheMICLEDwillnotilluminatewhenpoweristurnedon.3.SettheEQHFandLFcontrolstotheircenterdetentedposition.4.Plugthepowercableintoaproperlygrounded3-wireACpower.5.PlugtheXLRcablefromthemixerormicrophoneintotheINPUT1connector.6.Connectunbalancedsources(ifused)totheLINE2andLINE3inputconnectors.7.POWERUPPROCEDUREFirst,switchonthepowertothemixer,audiosources,ormusicalinstrumentsthatarefeedingyourSK-6PNext,turnonthepowerswitch(thefrontpanelpowerindicatorwillilluminate).Reversethisprocesswhenshuttingdownyoursystem.8.SETVOLUMEIfyouareusinganaudiomixingconsole,refertothemanufacturer'sinstructionstoproperlysetgainstructure.Turnupyoursourcestothelevelthatwillbeusedinperformanceandtalk,singorplayintothesystem.BringtheINPUT1controlup(clockwise)untilthedesiredvolumehasbeenreached.Ifyouareusingamicrophone,turntheINPUT1controlupslowlytoavoidfeedback.IfyouareusingtheINPUT2andINPUT3inputs,bringtheINPUT2controlsupuntilthedesiredvolumehasbeenreached.9.CHECKTHEPEAKLEDThePEAKindicatorflasheswhentheloudspeaker'son-boardamplifierareapproachingmaximumoutput.Occasionalflashesarenormalforveryloudoperation,However,ifthePEAKLEDstaysilluminated,thesoundmaybedistortedanditisanindicationthatmorespeakersoralowerperformancevolumemayberequiredforyourspecificapplication.SK-6P QUICKSTART
3

CONTROLS AND CONNECTIONS
MIX
LOOP
PEAK
SIGNAL
INPUT 1
INPUT 2
INPUT 3
VOL
VOL
VOL
EQ
MIC
LINE
OUTPUT
INPUT1
-15dB
-15dB
+15dB
+15dB
INPUT2
INPUT3
LF
HF
HIGH
MIN
MIN
MIN
MAX
MAX
MAX
TheaudiosectionoftheSK-6PincludespowerfulfeaturesthatenhancetheflexibilityofyourSK-6Pspeakers.Connectors
INPUT1ThisbalancedinputacceptsastandardXLR(female)connector.Abroadrangeofsignals(-44dButo+20dBunominal)frommicropho-nes,audiomixingconsoles,andelectronicmusicalinstrumentsmay-beconnectedhere.Whenusingasingleaudioinputtothespeaker,thisistheinputtouse.ThesensitivityofthisinputiscontrolledbytheMIC/LINESWITCHandtheINPUT1rotarycontrol.INPUT2&INPUT3These1/4"phonejacksareintendedforusewithaudiodevicesinc-ludingcassettetape,CDMP3players,computersound-cardoutputs,electronickeyboards,andelectric/acousticmusicalinstruments.INPUT2andINPUT3arebalanced(TRS)butwillacceptunbalancedinputsiscontrolledbytheINPUT2andINPUT3rotarycontrols.OUTThisXLR(male)outputconnectorworkswiththeMIX/LOOPSWITCHtoprovideamethodofsendingaudiofromyourSK-6P.Switches
MIC/LINETheMIC/LINEswitcheffectsonlyINPUT1.Itselectsbetweentwosensitivityranges.ThisswitchisusedtomatchtheinputsensitivityoftheSK-6PwiththeoutputlevelofthedeviceconnectedtoINPUT1.DepressingtheMIC/LINEswitchselectsMIC(mostsensitive).CAUTION:Beforeadjustingthisswitch,becertaintorotatetheINPUT1controlfullycounter-clockwise.AftertheMIC/LINEswitchhasbeenadjusted,slowlyrotatetheINPUT1controlclock-wiseuntilthedesiredvolumehasbeenreached.UsetheMICposition(depressed)whenamicrophoneisconnectedtoINPUT1.UsetheLINEposition(disengaged)whenalinelevelsourcesuchasanaudiomixingconsole,audioplaybackdevice,orelectronicmusicalinstrumentisconnectedtoINPUT1.SK-6P
4
CONTROLS AND CONNECTIONS

MIX/LOOP
Thisswitchselectsthesourceofthesignal,fortheOUTconnector.CAUTION: Beforeadjustingthisswitch,becertaintosettheinputlevelcontrolofanyequipmentconnectedtothisoutputtoitsminimumgain(leastsensitive)setting.Inthedisengagedposition,onlythesignalfromtheINPUT1connectorisrouteddirectlytotheOUTconnector.Chang-ingtheothersettingsontheaudiopanelwillnoteffecttheOUTsignal.TheINPUT2andINPUT3inputswillnotbepresentattheOUTconnector.UsethissettingwhenyouwanttofeedmultipleSK-6Ppoweredspeakersthesamesignal.InTheMIXposition(depressed),apost-EQblendofallinputstothespeaker(INPUT1,2,and3)willbesenttotheOUTconnector,AnychangestoinputlevelsettingsorEQwillaffecttheOUTsignal,SeetheSYSTEMEXAMPLESsectionfordetailsonhowthismodemaybeused.INPUT 1
AdjuststhelevelofINPUT1.UsethiscontroltomatchtheinputsensitivityoftheSK-6Ptotheoutputlevelofthemixer,microphone,orinstrumentconnectedtoINPUT1.Itisacommonmisconceptionthatthiscontrolchangesthepowerofasystem.YourSK-6PwillproduceitsratedoutputpowernomatterwherethiscontrolisJset.TheINPUT1controlDetermineshowmuchsignalisrequiredattheinputinordertodrivethesystemtofulloutput.INPUT 2 & INPUT 3
ThesecontrolsadjusttheleveloftheinputsconnectedtoINPUTS2and3.LF EQ
Thiscontrolallowsupto15dBofcutorboostat75Hz.Ifthesystemseemstoo"boomy"orbassheavy,rotatethiscon-trolcounterclock-wise.Ifthesystemsoundstoo"thin"orlackslow-endpower,rotatethiscontrolclock-wise.Tosetthelow-frequencyEQto"flat"(noEQcutorboost),setthiscontroltothecenterdetentedposition.HF EQ
Thiscontrolallowsupto15dBofcutorboostat30KHz.Ifthesystemseemstoo"strident"or"tinny",rotatethiscontrolcounterclock-wise.Ifthesystemsoundstoo"dark"orlacks"brilliance",rotatethiscontrolclock-wise.Tosetthelow-frequencyEQto"flat"(noEQcutorboost),setthiscontroltothecenterdetentedposition.Controls
SK-6P
5
CONTROLS AND CONNECTIONS

INDICATORS
PEAK
ThePEAKLED(LightEmittingDiode)illuminatestoindicatethatthesystemisapproachingclipping.Thethresholdforthislightisactuallyabout2dBbelowclipping.Anoccasionalflickeringofthislightontheloudestpeaksisacceptable.IfthisLEDisonformorethanthedurationofbriefdynamicpeaks,thesystemisbeingoverdriven.Continuouslyover-drivingthesystemwillresultinunpleasantandfatiguingdistortionandmayleadtoprematurefailureofyourspeakersystem.IfthePEAKLEDilluminatesexcessively:ReduceINPUT1,2,and3.Reducetheoutputlevelofthemixer,musicalinstrument,orothersourceconnectedtothespeaker.IfthereisagreatdealofLFEQorHFEQboost,returnthecontrolstothe"flat"(centered)position.SIGNAL
illuminatestoindicateausablesignalfromINPUT1.MIC
ThisLEDlightstoindicatethattheMIC/LINEswitchisintheMIC(depressed)position.VOLTAGE SELECTION AND FUSES
Changing Voltage
YourSK-6Pwilltypicallybesetatthefactorytoaccommodatethepowermainsvoltageinyourarea.BeforeyousetupyourSK-6Pthefirsttimeitisagoodideatoverifythatthesettingoftheselectorisappropriateforthepowerinyourarea.Intheeventthatyoudoneedtochangethevoltage:MakesurethatthespeakerispoweredoffandtheACisdisconnectedfromthespeaker..DirectlybelowthemaleIECconnectoronthespeakerisavoltageselector.Breakthefactory-appliedsealandslidetheswitchtotheappropriatesetting.Setthevoltageselectorswitchtothe115Vor230Vsettingasrequiredforyourarea.Afterhavingreconfirmedthatthecorrectvoltageisselected,reconnecttheAC(IECconnector)andpowertheunitup.DONOTUNDERANYCIRCUMSTANCESOPERATETHEUNITWITHTHEWRONGVOLTAGESELECTED.DOINGSOMAYRESULTINSERIOUSDAMAGETOYOURSPEAKERSYSTEMWHICHWILLNOTBECOVEREDBYWARRANTY.SK-6P
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VOLTAGE SELECTION AND FUSES
TheSK-6Phasnouser-serviceablefuses.Failureoffusesismostfrequentlyasymptomofproblemsrequiringservicebyacompetenttechnician.Fuse Replacement

SK-6P
7
APPLICATION EXAMPLES
LLiivveeBBaannddPPAASSyysstteemmWWiitthhMMoonniittoorrss
APPLICATION EXAMPLES
ThisexampleshowsatypicalPAsystemusingmixerwithapairofSK-6Pforthemainleftandrightmix.Aseparatesignalfromthemixer'sAUX/MONITORbusissenttotwoadditionalSK-6Pplacedinthetilt-back,wedgepositionsforuseasfloormonitors.

DJ System with Passive Subwoofers
ThissystemcombinesapairofSK-6Ppoweredspeakerswithexternallypoweredsubwoofersforextrapoweratverylowfrequencies.Notethatmany,butnotallDJmixersuseRCA(phono)outputsasillustrated.YourDJmixermayuseanothertypeofconnector.Keyboard Amplification and Mixing
Inthisset-up,the3-channelmixeroftheSK-6Pcombinestheoutputsfromadigitalpiano,asynthesizerandasampler.The"LOOP/MIX"switchissettothe"MIX"positionandthe"out"connectorsendsthecombinedsignaltothemainmixingconsole.ElectronicCrossoverINPUT 1INPUT 1 DJMixerOutput-LeftOutput-RightLowPassOutput-LeftLeftHighPassOutputHighPassOutputRightLowPassOutput-RightAmplifier*Recomendedcrossoverfrequency=80-150Hz.(Seasontotaste)SK-6P
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APPLICATION EXAMPLES
Digital Piano
Synthesizer
Sampler ToMixingConsoleINPUT3INPUT1INPUT2OUTLoop/Mixswitchin"MIX"Position

REFERENCE
Therearetwobasictypesofaudiosysteminterconnectionsforaudiosignals:BalancedandUnbalanced.YourSK-6Pcanaccepteithertypeofinput.Balanced Lines
Inaudio,abalancedlineisathree-conductorsysteminwhichthetwosignalwirescarryanequal,butoppositevoltagewithrespecttothegroundwire.Thegroundwireactsonlyasashieldanddoesnotcarryanyaudiosignalcurrent.Outsideinterference(suchasRFI-RadioFrequencyInterference)iseithershieldedfromtheinternalsignalconductor,orifitgetsintothecableiscancelledoutbytheoppositesignalsatthereceivingend.Balancedconnectionsarepreferredforanylongercableruns.Unbalanced Lines
Unbalancedcableisatwo-wiresystemwheretheshield(groundwire)actsasoneofthecurrentcarryingsignalconductors.Thecenterconductorenclosedbytheshieldiscommonlyknownasthe"hot"conductor.Unbalancedaudiocablesdonotrejectnoiseaswellasbalancedlines.Unbalancedlinesaretypicalinhomehi-fitypesystemsandontheoutputsofelectronicmusicalinstruments.Theseworkwellifthedistancebetweenthecomponentsisshort,thesignallevelisrelativelyhighandalloftheelectronicsusedinthesystemaresameACservice.Unbalanced Sources to SK-6P Powered Loudspeakers
IfyouneedtoconnectyourSK-6Pspeakerstoanunbalancedsourceyouhavetwooptions:UsetheLINE2andLINE3connectors.Theseinputsarebalancedbutwillacceptunbalancedinputswithouttheneedforanyspecialadapters.Useanadapterorspecialcable(seethesection"CablesandConnectors")SK-6P
9
REFERENCE
Connections - Balanced and Unbalanced

Cables and Connectors
XLR/FtoXLR/MMicrophoneCableTRS(Balanced)1/4"PhonetoXLR/MTS(Unbalanced)1/4"PhonetoXLR/MTRS(Unbalanced)1/4"PhonetoXLR/MXLR/FtoRCA(phono)cableThestandardcableforinterconnectionofmicrophoneandlinelevelsignalinprofessionalaudiosystems.MicrophonetomixerMicrophonetoSK-6PINPUT1ProfessionalaudiomixertoSK-6PINPUT1"Daisychaining"SK-6PspeakersystemsForconnectingbalanceddeviceswith1/4"connectortoSK-6PXLRinput.ForconnectionofinstrumentswithunbalancedoutputstobalancedXLRinput.Sources(signalprocessors,electronicinstruments)with1/4"unbalancedoutputsto,processors,andpoweredspeakerswithbalancedXLR/Finputs.Thiscableiselectricallyidenticalto"TRS(unbalancad)1/4"PhonetoXLR/Maboveandmaybeusedinterchangeably.ConnectsconsumeraudioproductsandsomeDJmixeroutputstoprofessionalaudioequipmentinputs.ConnectsoutputsofconsumeraudioequipmenttounbalancedlineinputsofSK-6PandmixersConnectsunbalancedlineoutputstomanymixerstotheinputsofconsumeraudiorecorder.Splitsastereooutputintoseparateleft/rightsignals.Connectsstereoelectricguitartotwounbalancedaudioinputs.Connectsaheadphoneoutputtotwounbalancedaudioinputs.ChangetoaTRSmini-phonetoconnecttotheoutputofportableCDplayersandcomputersoundcardstoamixerorpoweredspeakers.Alsousedtoconnectsignalprocessorstothe"insert"ofmanymixingconsoles.Usedto"telescope"agroundtoeliminatehumcausedby"groundloops".Foruseonlywithbalancedinputsandoutputs.XLR/FtoXLR/MMicrophoneCableTRS(Balanced)1/4"PhonetoXLR/MCableTRS(Unbalanced)1/4"PhonetoXLR/MCableTS(Unbalanced)1/4"PhonetoXLR/MCableXLR/FtoXLR/MAudioGroundLiftTRS1/4"Phonetodual1/4"PhoneTS(Unbalanced)1/4"Phoneto(phono)cableXLR/FtoRCA(phono)cableTS(Unbalanced)1/4"Phoneto(phono)cableTRS1/4"Phonetodual1/4"PhoneXLR/FtoXLR/MAudioGroundLift1231(shield)231(shield)23TipRingSleeveeTipRingSleevee1(shield)23TipSleevee1(shield)23123CenterShieldSleeve(shield)CenterSleeve(shield)TipSleeve(shield)Tip1231(noconnection)23TipRingSleeveeTipSleeveeSK-6P
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REFERENCE

Loudspeaker Placement and Mounting
ThefollowingguidelineswillhelpyouachieveoptimumsoundwhereveryouuseyourSK-6Ploud-speakers:Raisethespeakersashighaspossible.Forbestresultstrytogetthehighfrequencyhornatleast2to4feetabovetheheadsoftheaudience.Ifthespeakersaretoolow,thepeopleinthebackoftheaudiencewillnotreceivethebestqualityofsound.Placethespeakersbetweenthemicrophonesandtheaudience.Feedbackoccurswhenthemicrophonespickupsoundfromthespeakersand"feed"thesoundbackthroughthesoundsystem.Ifspaceislimited,pointthespeakersawayfromthemicrophonestoreducefeedback.Locatethespeakersawayfromturntables.Low-frequencyfeedbackoccurswhentheoutputofthespeakerispickedupbythetonearmoftheturntableandisre-amplified.Aheavy,solidturntablebaseandshockmountingcanalsoreducethistypeoffeedbackinDJapplications.Usemorespeakersinlargeorhighlyreverberantspaces.Spreadingspeakersthroughoutthesespaceswillproducemuchbettersoundthantryingtocompensatewithloudnesslevelorequalization.Forverylongdistances,theuseofanothersetofspeakersonadelayisrecommended.StandspeakersuprightforPA-Tiltthespeakersbackforstagemonitoring.UprightstanceProvidesevenCoverageoverawide,SK-6PspeakersanealsodesignedwithtwoslantedPositionsforstagemonitoringapplications.BLOCK DIAGRAM HPF90W300WLPF&DYNAMICFILTERPEAKLOOPOUTINPUT1LINEMICINPUT1SIGNALEQ
SUMMICINPUT2INPUT3INPUT2INPUT3MIXLOWHIGHSK-6P
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BLOCK DIAGRAM

TROUBLESHOOTING
SymptomNosoundLikelyCausePowernotswitchedonWhattodoSpeakernotconnectedtoactiveACpowerVerifythatspeakerisconnectedandthatthecircuitisonSwitchonpowerandverifythatpowerLEDisonSpeakerpowercableisfaultyorimproperlyconnected.BlownfuseNosound,speakerisconnectedtoworkingACpowerbutwon'tcomeon.NOsound.Speakercomeson.NosoundwithmicrophoneconnecteddirectlytotheMIC/LINE1inputSignalsoundsdistortedandveryloud,PEAKlightislitmostofthetime.Signalsoundsdistortedevenatmoderatevolumes,PEAKlightisnotlit.Lotsofhissinthesound,themixercontrolsareatverylowsettings.Signalsource(mixer,instrument,etc.)Isnotsending.FaultycablesandconnectionsMicrophonerequiresphantompowerExcessiveinputsignal,tryingtoexceedthecapabilitiesofthespeakersMixerorothersourceisoverdrivenImpropergrainatructureRe-seatthepowercableatbothends.Substituteaknown-goodpowercableTherearenouser-serviceablefusesintheSK-6PTakeyourspeakertoacompetentservicer.CheckVUmetersonthesourcemixerVerifythatthetapeorCDisplaying.UseheadphonestoverifythattheinstrumentisactuallysendinganaudiosignalDisconnectandre-seatsignalcables.Replacesuspectedcablewithaknown-goodcableTheSK-6Pdoesnotsupplyphantompower.Switchtoadynamicmicrophone,useabatteryinthemicrophone(ifpossible),useanexternalphantompowersupply.Reducetheoutputlevelofthesource.Turndownthelevelcontrolsonthespeaker.Useadditionalspeakers.ReviewtheOwner'sManualforyourmixerandadjustcontrolsasneeded.Inputsensitivity(gain)ChannelfadersMasterfadersOncethisisdone,reviewtheinstructionsintheQuickStartsectionofthisguide.MakesurethattheMIC/LINEswitchisintheLINE(disengaged)position.Reviewthelevelsettingsatspeaker.ReviewtheOwner'sManualforyourmixerandadjustcontrolsasneeded.Inputsensitivity(gain)ChannelfadersMasterfadersSK-6P
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TROUBLESHOOTING

13
NoiseorhissheardatoutputNoisysourcedeviceDisconnectthedevicesthatareconnectedtoyourspeakeroneatatime.Ifthenoisegoesaway,theproblemiswiththesourceortheconnectingcable.HumorBuzzthatincreasesordecreaseswhenthemixerlevelcontrolsaremoved.HumorBuzzTheinputsfromINPUT2andINPUT3aren'tcomingoutoftheOUTconnectorThespeakerconnectedtotheOUTconnectorgoesupinvolumewhenIadjusttheINPUT1controlonthefirstspeaker.SpeakersfeedbackandhowlwhenthemicrophonevolumeisturnedupImproperA/CgroundorfaultyequipmentconnectedtomixerinputFaultycablebetweensourceequipmentandmixerImproperA/Cgrounding,groundloopsExcessivelylongunbalancedcablerunImpropersystemgainstructureMIX/LOOPSWITCHsetimproperlyMIXED/LOOPSWITCHsetimproperlyMicrophonesarepointedintothespeakersEqualizersettingsartincorrectExcessivegainDisconnectormutechannelsoneatatimetoisolatetheproblem.Refertotheowner'smanualofthefaultyequipmentfortrouble-shootinghelp.Substituteaknown-goodcableforthesuspectedfaultycable."Telescope"theaudiogroundbysuinganXLR/FtoXLR/Madapterononeend.Re-routeaudiocablesawayfromACpowerandlightingcables.Usethebalancedoutputs(ifavailable)ofyourmixerorsourceequipmenttodriveyourspeakers.Usea"DI"(directinjection)boxtocon-vertyourunbalancedequipmentoutputtoabalancedoutput.ReducetheINPUT1,2and3controlsandincreasetheoutputlevelofyoursourcedevices.SettheMIX/LOOPSWITCHtotheMIXOUTposition(depressed).SeetheCAUTIONinthe"Switches"sectionofthismanual.DisengagetheMIXOUTswitch.SeetheCAUTIONinthedownin"Switches"sectionofthismanual.Movethespeakerssotheydonotpointthemicrophone'spickuppattern.LocatethefeedbackfrequencyandreduceitusingthemixerEQoranexternalequalizer.Reducethegainatthemixerandmovethemicrophoneclosertothesoundsource.SK-6P TROUBLESHOOTING

www.skpaudio.com
SK-6P
MANUAL DEL PROPIETARIO

Contenido
Instrucciones de seguridad
AdvertenciaInstruccionesdeseguridadimportanesSobre el SK-6P
AplicacionesCaractersticasComienzo r pido
Controles y conextiones
ConectoresInterruptoresMezcla/bucleControelsIndicadoresSelecci n de voltaje y fusibles
CambiarelvoltajeReemplazodefusibleEjemplos de aplicaciones
SistemaDJconamplificadordebajos(subwoofer)pasivoMezcladoryamplificadordetecladoReferencia
ConexionesbalanceadasynobalanceadasCablesyconectoresUbicacineinstalacindeparlantesDiagrama de bloque
Soluci n de problemas
Especificaciones
Respuesta de frecuencia 111222344455666678899101111121414

PRECAUCION
PARA UNA PROTECCION
CONTINUA CONTRA
RIESGO DE FUEGO
REEMPLACE SOLO CON EL
MISMO TIPO DE FUSIBLE
ADVERTENCIA
NO EXPONGA ESTE
EQUIPO
ALA LLUVIA O HUMEDAD
AVISO
RIESGO DE DESCARGA
ELECTRICA-NO ABRIR
PRECAUCIONPRECAUCION
RIESGO DE DESCARGA
ELECTRICA-NO ABRIR
SK-6P INSTRUCCIONES DE SEGURIDAD
Instrucciones de seguridad
ADVERTENCIA: Parareducirelriesgodeincedioodescargaelctrica,noexpongaesteequipoalalluviaohumedad.Parareducirelpeligrodedescargaelctrica,noquitelacubiertaolapartetrasera.Noguarderepuestosdentrodelequipo.Utiliceunserviciotcnicoconpersonalcalificado.Elsmbolodelrelmpagoconunapuntadeflechadentrodeuntrianguloequilteroenelenvasedeunproductosignificaquepuedeladescargaelctricapuedeserdesuficientemagnitudcomoparaconstituirunriesgoparalaspersonas.Elsignodeexclamacindentrodeuntrianguloequilterointentaalertaralusuariodelapresenciadeinstruccionesimportantesdemantenimientoyoperacinenlamanualqueacompanaelproducto.Instrucciones de seguridad importantes
1.Leatodaslasinstruccionesantesdehacerfuncionarelequipo.2.Retengalasinstruccionesparaconsultafutura.3.Presteatencinatodaslasadvertenciasdeseguridad.4.Sigalasinstruccionesdelfabricante.5.Nouseesteequipocercadelaguaolahumedad.6.Limpiesolamenteconunalgodnhmedo.7.Nobloqueelasventilaciones.Instlelodeacuerdoalasinstruccionesdelfabricante.8.Noloinstalecercadefuentesdecalor,comoradiadores,registrodecalor,calentadores,uotrosaparatos(incluidosamplificadores)quegenerencalor.9.Noalterelafuncindeseguridaddelosenchufespolarizadosodeltipodedescargaatierra.Unenchufepolarizadotienedospaletas,unamsanchaquelaotra.Unenchufetipodescargaatierratienedospaletasyuntercerdienteparaconexinatierra.Lapaletaanchaoeltercerdienteseincluyenconfinesdeseguridad.Cuandolosenchufessuministradosnoconcuerdenconsutama,consulteconunelectricistaparareemplazarlostomasobsoletos.10.Protejaloscableselctricosparaevitarpisarlosopincharlos,particularmentealaalturadelosenchufesyenelpuntoenelcualellossalendelequipo.11.Desconecteelequipodurantelastormentasconrelmpagosocuandonolouseporunperodoprolongado.12.Delegueelmantenimientoapersonalcalificado.Resultanecesariorecurriralserviciotcnicocuandoelequipofuedanadodecualquiermanera,comoenelcasoderupturadeloscableselctricosolosenchufes,ocuandosederramalquidooalgnobjetocaysobreelequipo,osiseexpusoalalluviaohumedad,cuandonofuncionaconnormalidad,osecay.1~~

Refuerzodesonidoenvivo,discursoyvocalizacin,reproduccindemsicaenentretenimiento,A/V,yestablecimientosinstitucionalesespecialmentecuandolafacilidaddeusoylaportabilidadsonfactoresimportantes.Amplificacin,mezcladoymonitoreoparainstrumentosmusicaleselectrnicos.SOBRE EL SK-6P
2
SBORE EL SK-6P
Unodelosmsexitososeinfluyentessistemasdeparlantesprofesionales.DispositivoDifferentialDrivelow-frequencyde15",condobleimndeneodimioparareducirladistorsinydisminuirelpeso.Mezcladorincorporadode3entradas.Unaentradabalanceadamicrfono/linea,dosentradasdeniveldelneaparamicrfonode1/4".Ecualizacindedosbandas.Circuitobalanceado-salidadirecta/mezcladaparaBaflesSK-6P adicionales"encadenados"oenviarlasalidamezcladaaunaconsolademezclado.ThermomasterTotalTermalManagementSystem.Unasolapieza,bafledealuminiofundidointegraelarmazndelamplificadordebajos,labocinayeldisipadordecalor.Elmovimientodelaireenelpuertodealetasdisipaelpuertodealetasdesipaelcalornosenecesitanventiladoresdeenfriamiento,niexternosniinternos.Cerramientodecopolmeronegro,resistente,liviano,conbafledealuminiofundido.Receptculoconpolosdeinstalacinde35mmintegradocontornillomariposaparaasegurarlo.Receptculodengulosmltiplesparaaplicacinenlapartedelanteraomonitordeescenario.Elprocesadordinmicoprotegealosamplificadoresyparlantesdesobrecargas,sinproducircambiosextremosenlarespuestadefrecuenciaalvariarlosniveles.Mayorrendimientodebajafrecuencia.Brindabajosinferioresa40Hzdegranpotencia.Caracter sticas
Aplicaciones RRSK-6P R