IRiver Astell & Kern AK500A User manual

INSTRUCTIONBOOK
AK500A/P
UserGuide

SafetyPrecautions
Notes
ProductSpecifications
Components
AK500A/PataGlance
Assembly
Connections
PowerCableManagement
02
06
07
08
10
12
14
16
BeforeUse 01
Troubleshooting
Copyrights
Certifications
Trademarks
Disclaimers
18
19
20
20
21
Miscellaneous 02
CONTENTS

UserGuide
0 2 BeforeUse
Besuretocheckthe[SafetyPrecautions]BeforeUseusing
theproduct.
SafetyPrecautions
 WARNING indicatesaseriousrisk.
 CAUTION indicatesapotentialhazard.

Donotattempttodisassemble,repair,ormodifytheproduct.
 -iriverdoesnotassumeanyresponsibilityforproblems
  thatariseduetounauthorizedproductdisassembly,
  repair,ormodifications.
 Donotinsertanymetal(coins,hairpins,etc.)objectsor
 flammabledebrisintothedevice.
 Avoidtouchingthepowercordduringlightningstrikesor
 thunderstorms.
 -Thismaycauseafireorelectricshock.
 Immediatelystopusingthedeviceincaseofabnormal
 operationorfailure.
Warning
 Indicatesactionsthatshouldnotbemadeorareforbidden.
 Indicatesrequiredactionsoractionsthatmustbeperformed
 asdirected.
Safetysymbols
Usage
Safetyindicators: Thesafetyprecautionsaredividedinto
"Warning"and"Caution"asfollows:

 Ifwaterorotherliquidsenterthedevice,immediatelydisconnect
thepowercordfromtheoutlet,wipewithadrycloth,and
 thenrefertothenearest'iriverZone'forcustomersupport.
 Water-damageddeviceswillberepairedforafeeregardless
 ofwarrantystatus,butthedevicemaynotberepairable.
 Becarefulnottoapplyanyforceorshocktoany
 connectedcables.
 -Thismaycausedamagetotheaudioports.
 Besuretorefertothe[Connections]sectionwhen
 connectingaudioandpowercablestothedevice.
 -Improperlyconnectedaudiocablesmaycauseabnormal
  performanceorpossiblemalfunction.
 Donotuseharshchemicalsordetergentsonthedevice

surface.Doingsomaydamagethesurfaceandremovepaint.
 Pleaseinstalltheproductinasafeplace.
 -Installingthedeviceonaslopedshelforotherwise
  unstablelocationmaycausetheproducttofalland
  causepossiblebodilyharm.
0 3
BeforeUse
 Donotstandonthedevice.
 Donotplaceheavyobjectsonthedevice.
Donotallowchildrentoclimbonorhangfromthedevice
 afterinstallation.
 -Thismaycausepossibleinjuriesduetofalls.
Pleasestoreanypackagingmaterialssafeandawayfrom 
 thereachofchildren.
 Firmlysecureeachboltusedonthisproductusingthe
 suppliedT-wrench.
 Caution
English

UserGuide
0 4
Donotconnect/disconnectthepowerplugwithwethands.

Plugthepowerplugintoa110V-220V(50Hz-60Hz)ACoutlet.
Ifthereisdustonthepowerplugpinsormountingsurface,
 disconnectthepowercord,andthenremovethedust.
 Observethefollowingwhenhandlingthepowercord:
Donotdamagethepowercord./Donotmodifythepower
 cord.(e.g.extension)/Donotpullthepowercord./Do
notheatthepowercord./Donotplaceheavyobjectsthe
powercord./Donotjamthepowercordintotightspaces./
 Donotforciblybendthepowercord./Donottwistthe
 powercord./Donottiemultiplepowercordstogether.
Warning
PowerCableandPlug
 Donotuseanypowercordsotherthantheonesupplied
 withtheproduct.
Donotusethesuppliedpowercordwithanyotherdevices.
 -Thismaycauseafireorelectricshock.
Pleaseplugthepowercordintoagroundedpoweroutlet.
Besuretoholdthepowerplugfirmlywhendisconnecting
 thepowerplugfromtheoutlet.
Disconnectthepowercordfromtheoutletwhenthedevice
 isnotbeingusedforanextendedperiodoftime.
 -Thismaycauseafireorelectricshock.
 Caution
BeforeUse
 Neverconnectanyothertypesofcablesotherthanthe
 appropriatecablestotheconnectionports.

0 5
 Toreducetheriskoffireorelectricshock,donotexpose
 thisproducttorainormoisture.Avoidwatercontactwith
 theproduct,anddonotplaceobjectsfilledwithliquids,
 suchasvases,ontopofthedevice.
 Donotplacethedeviceinthefollowinglocations:
Humidareassuchasbathroomsorareaswherewatermay
 splash./Areaswherethedevicemaybeindirectcontact
 withrainormist./Outdoorareaswithexposuretorain./
 High-temperatureareassuchasnearafireorradiator./
 Areaswherethedeviceisexposedtodirectsunlight./
 Areaswithhighconcentrationsofdust,oil,orsmoke.
 (e.g.kitchen)/Areaswithextremetemperatures.(-5°C~
 40°C/23°F~113°F)/Areaswithrapidtemperature
 changes./Areasexposedtostrongvibrations./Unstable
 areassuchasshakytablesorslopedsurfaces./Near
objectswithstrongmagneticfieldssuchasmagnets,TVs,
monitors,orspeakers./Nearcorrosivegases.(e.g.sulfites,
 hydrogensulfides,chlorine,ammonia,etc.)
 -Thismaycauseafireorelectricshock.
Warning
Installation
IfyounoticeanycolorchangesonaTVinthevicinityof
thisproductoraudiointerferencefromtheTV,pleaseplace
theproductfartherawayfromtheTV.
BeforeUse
English

UserGuide
0 6
Notes
Keepthedevicecleantoensurethebestpossible
performancefromthisunit.
-Disconnectthepowercordbeforecleaning.
-Wipeanystainsoffwithasoftcloth.Forexcessivestains,
 firstwipethedevicewithadampcloth,andthenwipeclean
 withadrycloth
-Pleasekeepthefollowinginmindtoavoidreduced
 performance,devicedamage,orpaintdamage:
 Donotcleanwithanabrasivecloth./Donotuseexcessive
 forcewhencleaning./Donotcleanwithpaintthinneror
 benzine./Avoidextendedcontactwithrubberandplastics.
 /Donotsprayvolatilesubstancessuchasinsecticides.
CleaningtheDevice
BeforeUse

AK500A-AmplifierSpecifications
0 7
Specifications
Output
FrequencyResponse
THD+N
SNR
Gain
InputImpedance
SpeakerOutputs
BalancedInputs
Operatingtemperature
Weight
Dimensions(WHD)
100W+100W@8Ω
20-20KHz
0.005%@8 Ω,100W
105dB
26dB
20K Ω
WBTBindingPost
BalancedXLR
-5°C~45°C(23°F~113°F)
Approx.7.5kg(16.5lb)
210x140x238(mm)
AK500P-PowerSupplySpecifications
PowerOutputs
SupplyVoltage
Operatingtemperature
Weight
Dimensions(WHD)
1000W
+48V,-48V,+12V
-5℃~45℃
Approx.4.5kg/10lb
210x70x238(mm)
Device specifications and appearance are subject to
changewithoutnotice.
BeforeUse
English

Componentsmaybechangedwithoutpriornoticetoimprove
theperformanceorqualityoftheproduct.
Components
UserGuide
0 8
AK500A AK500P
Onesetofbalanced
audiocables(L/R)
Inter-powercable
Sub-powercable QuickStartGuide
&Warranty
T-wrench
BeforeUse

0 9
AK500A:PoweramplifierusedinconjunctionwiththeAK500N.
AK500P: ApowersupplyunitfortheAK500NandAK500A.
Balancedaudiocables: ConnectstheAK500N'sVariable/
FixedbalancedaudioporttotheAK500A'sbalancedaudioport.
Inter-powercable: ConnectstheAK500AtotheAK500P.
Sub-powercable: ConnectstheAK500NtotheAK500P.
T-wrench: Usedtoattach/detachtheAK500N,AK500A,
AK500Pandthestand.
QuickStartGuide: Basicoverviewofdevicefunctionality.
WarrantyCard: TheWarrantyCardisrequiredforcustomer
andtechnicalsupport.Donotmisplacethecard.
BeforeUse
English

BesuretochecktheL/RontheBalancedAudioportsand
the+/-onthespeakersbeforeconnecting.
Theappearanceoftheproductorprintedandengraved
informationmayvarydependingonmodels.
AK500A/PataGlance
UserGuide
1 0
1
4
3
1
2
3
4
PowerLED
Bolts
PowerButton
PowerButton
Indicatespoweron/offstates.
SecurestheAK500AandAK500P.
Turnsthepoweron/offontheAK500A.
Turnsthepoweron/offontheAK500P.
2
BeforeUse

1 1
1
2
3
4
5
6
PowerPort
Balanced
InputPort
Amplifier
PowerInPort
Speaker
Ports
Amplifier
PowerOutPort
PowerPort
Connectthepowercable.
Connectbalancedaudiocablestothe
Fixed/VariableAnalogOutportsonthe
AK500N.
Connecttheinter-powercabletothe
PowerOutportontheAK500P.
Connectthedesiredspeakerstothe
deviceusingspeakercables.
ConnecttothePowerInportonthe
AK500AusingtheInter-powerCable.
ConnecttothePowerInportonthe
AK500NusingtheSub-powerCable.
ConnectthepowerportontheAK500N
tothepowerportontheAK500P.
BeforeUse
English
4
5
1
6
3
2

UserGuide
1 2
Assembly
1. DetachthestandfromtheAK500NusingthesuppliedT-wrench.
2.Removeatotalofthreeboltsfromtheunit.
3.ThestandcanbedetachedfromtheAK500Nafter
 removingallthreebolts.
4.
Removethestand,andthenreplacetheneckmountatthebottom
oftheAK500NwiththededicatedAK500Seriesneckmount.
5.ThededicatedAK500Seriesneckmountislocatedinside
 theAKLEDaccessoriesbox.
6.UsetheshortT-wrenchincludedintheAKLEDaccessories

boxtoremovethefourboltsthatholdtheneckmountinplace.
DetachingtheAK500Nstandfromthemainunit
BeforeUse
TheAK500N,AK500P,andAK500Aareassembledtogetherusingthe
AKLEDstand.
The AK500P and AK500A can be combined using the
AK500Nʼsbasestand.

1 3
1.AssembletheAKLED,beforealigningtheAK500Ptothe
 standoftheAKLED.Fordetailedassemblyinformation,
 seetheAKLEDmanual.
2.
AlignthemountingholesontheAKLEDstandtotheAK500Pand
assemblebysecurelyfasteningthreeboltsusingthelongT-wrench.
3.AfterattachingAK500Ptothestand,aligntheAK500Ato
 themountingholesontheAK500Pandsecurelytightena
 totalofthreeboltsusingtheT-wrench.
4.
Asthefinalstep,aligntheAK500Ntothemountingholesonthe

AK500AandsecurelytightenatotalofthreeboltsusingtheT-wrench.
AssemblingtheAK500N,AK500A,andAK500P
BeforeUse
English
After detaching the stand from the AK500N and before
assemblingtogetherwiththeAK500A,laytheunitonasoft
clothwiththeoppositesideofthevolumewheelfacingdown.
Do not apply excessive force when tightening the bolts
withtheT-wrench.
Securelytighteneachbolttopreventshakingorseparation
oftheunits.
Applyingexcessiveforcetoafullyassembledproductmay
causetheunitstotoppleandbedamaged.

UserGuide
1 4
Connections
1.ConnecttheAnalogOut(FixedorVariable)portonthe
 AK500NtotheBalancedPortontheAK500Abyusingthe
 balancedaudiocables.
2.ConnectthePowerInportontheAK500AtothePower
 OutportontheAK500Pbyusingtheinter-powercable.
3.ConnectthepowerportontheAK500Ntothepowerport
 ontheAK500Pbyusingthesub-powercable.
4.ConnectthepowercablefromtheAK500Ptoanoutlet.
Connectingcables
5.ConnectspeakerstotheAK500Abyusingspeakercables.
6.Afterallcableconnectionsarecompleted,turnontheunits
 inthefollowingsequence:AK500NAK500PAK500A.
BeforeUse
11
2
4
3

The AK500A power amplifier does not feature separate
volume control. Audio is automatically output using a
150-levelvolumewhenconnectedtotheFixedAnalogOut
portontheAK500N.
Thevolumeisoutputatthemaximumlevelwhenplaying
musicbyconnectingtotheFixedAnalogOutport.Asthis
may cause damage to the speaker units, be sure to
connecttotheVariableAnalogOutportontheAK500Nfor
volumecontrol.
Playingmusicata high volume level after connecting to
the Variable Analog Out port may cause damage to the
speakerunits.Besuretolowerthevolumetolevel10or
lowerandthenincreasethevolumeslowly.
1 5
BeforeUse
English

UserGuide
1 6
1.ConnectthepowerportontheAK500Ntothepowerport
 ontheAK500Pbyusingthesub-powercable.
2.Connectthecabletothe[Power]portsonthebacksofeach
 unitandsecurelytightenbyturningthemountingrings.
3.Connectthepowercablefromthepowerportonthe
 AK500Ptoanoutlet.
4.PressandholdthepowerbuttonontheAK500Nfor2to3
 secondsandthenturnonthepowerswitchonthebackof
 theAK500P.
5.The[]logowillappearonthescreenwhiletheproduct
 isbootingup.
PowerCableManagement
ConnectingthepowercablestotheAK500NandAK500P
BeforeUse

1 7
BeforeUse
Besuretocorrectlyconnectallpowercablesbetweenthe
unitsaswellastoanoutlet.
OnlyconnecttheAK500P'spowercabletoanoutletafter
thepowerconnectionsbetweentheAK500N,AK500A,and
AK500Phavebeencompleted.
OnlyturnontheAK500PafterfirstbootingtheAK500Ninto
battery-operationmode.
TurnontheAK500Aafterboot-upiscomplete.
Pleasedisconnectthepowercordfromtheoutletwhenthe
deviceisnotbeingusedforanextendedperiodoftime.
BothAK500NandAK500Pusesamepowercable.
Be sure to use the appropriate power cable for each
region.
English

UserGuide
1 8 Miscellaneous
1.Thedevicewon'tturnon.
 Makesurethatthepowersupplyisproperlyconnected.
2.Theoperationoftheproductisunstable.
 Pressandholdthepowerbuttononthesideofthe
  AK500Nformorethan10secondstoturnofftheproduct.
 Turnontheproductagainandchecktheoperation.
 FortheAK500AandAK500P,firstturnoffthepower
 switchonthebackoftheAK500P,andthendisconnect
 thepowercablebetweentheAK500AandAK500P.
 Reconnecttheunits,turnonthepowerswitch,poweron
 thedevices,andthenchecktheoperation.
3.Thescreenturnsoffrepeatedly.
 Thescreenturnsoffautomaticallyafteradefinedperiod
 oftimetoreducepowerconsumptionduringmusic
 playback.Setthedesiredtimeat[Settings-Power
 Saving-ScreenTimeout]
4.Thescreenisnotdisplayingproperly.
 Checkwhetherdebrisisonthescreen.
5.Thereisnosound,orthereisstatic/interference.
 Verifythatthevolumeisnotsetto[0].
 Makesurethattheaudioandpowercablesareproperly
 connectedbetweeneachunit.
  Makesurethatnoobstructionssuchasdebrisareonthe 
 audioportsorplugs.
 Verifythattheaudiosettingshavebeenproperlyset.
 Verifythatthemusicfileisnotcorrupted.
Troubleshooting
Checkforsolutionstocommonproblems.

1 9
Miscellaneous
6.Filewillnotplayback,oraspecificfilecausesinstability.
  Thefollowingmayoccurduetotheconditionofthefile:
 -Playbackmaybeunstableordifficult.
 -Thedevicemaynotfunctionproperly.
 -Thefilemaysounddifferentfromacomputer.
 -Theremaybeadifferenceintheperformanceof
 playbackorotherfunctions.
 -Thefilemaynotbecompatiblewithplayback
 specifications.
  Afileconversionoruseofadifferentfileisrecommended.
iriver Limited retains the rights topatents, trademarks,
copyrights,andotherintellectualpropertyrightsrelatedtothis
manual.
Thismanualmaynotbecopiedorduplicatedinanyformorby
anymeanswithoutthepriorwrittenconsentofiriverLimited.
Using or reproducing, in wholeorpart,thecontentsof this
documentissubjecttopenalties.
Software, audio, video, and any copyrightedcontents are
protectedinaccordancewithrelevantcopyrightlaws.
Unauthorized reproduction or distribution of the copyrighted
contentsfromthisproductisthelegalresponsibilityoftheuser.
Companies,organizations,products,people,andeventsusedin
theexamplesarenotbasedonactualdata.
ItisnottheintentionofiriverLimitedtocorrelateanycompanies,
organizations,products,people,oreventswiththismanual,and
Copyrights
English