Audio Control Riato400 User manual

Upandrunninginaflash!
Welcome!IttakesjustafewstepstogetyourAudioControl
Rialto400upandrunning.Thestepsbelowareexplainedin
moredetailthroughoutthisusermanual.
•Connectonesourcecomponent(i.e.DigitalMusicPlayer,SONOS™
CONNECT,Television,Receiver,CDPlayeretc.)totheRialto400.
•FromtheRialto400connectapairofyourfavoritespeakers.
•TurnontheRialto400usingthepowerswitch(Note:Wheneverchanginginputs,
switchtheRialto400offfirst,makechangesandthenswitchitbackon).
•SettheInputPriorityto‘Digital’forthistypicalset‐up.
•AdjustthegainonthebackoftheRialto400tothedesired setting
toworkwithyoursourcevolumecontrol.
•AdjustthelevelontheAudioControlAccuBASS™to
thedesiredamountofbassresponsetoaddbassand
richnessbacktoyourmusic.
•EnjoyMakingGoodSoundGreatfromtheRialto400.
AudioControlUserManual–Rialto400 2
GettingStarted
Quick
Start
1
4
6
5
3
2
7
TypicalSingle
SourceDigital
Set‐Up
7

ThankyouandcongratulationsforpurchasingyourAudioControlRialto400.
ThisUserManualisyourguidetoinstallingandusingtheRialto400AmplifierandDAC,including
informationonitsmoreadvancedfeatures.TheContentsTablewillhelpyounavigatetothe
areaofthemanualyouarelookingfor.Itisagoodideatoreadthewholemanualinorderto
acclimatizeyourselfwiththefullworkingsandfeaturesoftheRialto400.
EstablishedinSeattlenearlyfourdecadesago,wehavealwaysbeendedicatedtodesigning,
engineeringandbuildingworld‐classaudioproductsfromthegroundup.Intheprocess,we’ve
earnedareputationworldwideforoperatingatthehighestlevelsofreliabilityand
performancewithamissionof‘MakingGoodSoundGreat’.
Wetrustthatyouwillgetmanyyearsofsatisfyingandtrouble‐freeoperationfromtheRialto400.
IfyourequiremoreinformationabouttheRialto400oranyofAudioControlproducts,donot
hesitatetotalktoourdealersworldwideorcontactusdirectlyatourSeattlebaseinthe
rainforestsofthePacificNorthwest,USA.Thedayscanberainyandcoldbutthereisalwaysa
warmwelcomeandahotcupofcoffeeavailableallyearround.
AudioControlUserManual‐Rialto400 3
IntroductionandContents
ContentsTable PageNo.
GettingStarted…………………………………………………………………… 2
IntroductionandContents………………………..……………….………..3
AQuickLookattheRialto400…………………………………..….…….4
InstallationGuidelines……………………………………………...…………5
GuidedTour‐Front………………………………………………….………….6
GuidedTour‐Back……………………………………………….……………..7
GuidedTour–Bottom……..……………………………….……………….. 8
SingleSourceSet‐up…………………………………………………………… 9
TwoSourceSet‐up……………………………………………………………… 10
SpeakerSet‐Up…………………………………………………………………… 11
InputPrioritySettings………………………………………………………… 12
AdjustingGainandLevels……………………….….……………………… 13
AdjustingAudioControlAccuBASS™……………………………..…… 14
Troubleshooting&Service……………………………………………...... 15
Specifications……………………………………………..…………..…..…….. 16
Warranty……………………….……………..……………………………………. 17
What’sNewatAudioControl…………………………………..…………. 18
ImportantSafetyInstructions……………………………………...……. 19
MakingGoodSoundGreat………………….........……………………... 20
Hello!

AudioControl’sRialto400isthefirstinanewclassofcompact,high‐
poweredamplifierwithabuilt‐inaudiophile‐gradeDACdesigned
specificallytoprovidegreaterperformanceandhighersound
qualityforallanaloganddigitalsystems,includingstreaming
audiocomponentslikeSonos®homeentertainment.
TheRialto400powerfulamplifierdelivers100wattsofpowerper
channelinto8ohmsand200wattsperchannelinto4ohms.
Additionally,theRialto400canbebridgedtoperformasamono‐
blockamplifier.
ThestateoftheartRialto400featuresabuilt‐inhigh‐performance
Wolfson®DAC(digitaltoanalogconverter)thatdramatically
improvesaudioquality.Digitalandanalogaudio‐systemscannow
reachtheirfullpotentialacrossthewholehousewhetherthe
speakersarefree‐standing,in‐wall,in‐ceiling,invisible,desktop,
gamingetc.
AudioControlUserManual‐Rialto400
AQuickLookattheRialto400
EquippedwithAudioControl’suniquepatent‐pendingAccuBASS™
circuitry,theRialto400alsorejuvenatesthebassresponselostinmost
digitalcompressionschemes.Thisresultsinaricherandfulleraudio
performancewithbetterbassandmid‐bassresponse.Theneteffectis
thatyouwillenjoyamorecompletelisteningexperienceandhear
musicwitharichnessandvibrancymuchclosertothewaytheartist
intendedtheirmusictobeenjoyed.
Readyto
Rumble!
4

PlacingtheUnit
•TheRialto400isasmallyethighperformance
amplifierandaudiophileDAC.Assuch,the
Rialto400deliversincrediblesound
performanceandwilloftenbewarmtothe
touch–similartothetouchofahotcupof
doubleshot,vanillalatteinaceramicmug
fromoneofSeattle’s9,368coffeeshops!
•Careshouldbetakeninfindingthebest
locationtoplacetheunitforoptimal
performance.
•TheRialto400lovesspeakersandcanbe
situatedtofitinwithanyspeakersetupfrom
themostpowerfulfree‐standingspeakersto
thesmallestdesktopconfiguration…….
AudioControlUserManual‐Rialto400 5
InstallationGuidelines
Placement
•PlacetheRialto400onalevel,firmsurface,
avoidingdirectsunlightandsourcesofheat
anddamp.
•DonotplacetheRialto400ontopofapower
amplifierorothersourceofheat.
•DonotplacetheRialto400inanenclosed
spacesuchasabookcaseorclosedcabinet
unlessthereisgoodprovisionforventilation.
TheRialto400willrunwarmduringnormal
operation.
•Donotobstructanyoftheventilationvents
onthebackorbaseoftheunit.“Itlikesto
breathe”.
•Donotplacetheunitoncarpetoranythick
materialthatcouldblockthevents.
•AswithallproductsmadeintheUSAby
AudioControl,theRialto400shouldnotbe
deepfriedorsautéed.
Speakers
•TheRialto400isdesignedtoworkwithall8
ohmand4ohmspeakerset‐ups.TheRialto
400isversatileandflexibleandworkswith
thefollowingspeakerinstallationsandmore!
•Free‐standingspeakers.
•In‐wallandin‐ceilingspeakers.
•Invisiblespeakers–In‐WallandIn‐ceiling.
•Extrazonespeakersincludingoutdoor.
•Televisionsandsoundbars.
•Desktopspeakersandgamingset‐ups.
•Andmore…….TheRialto400lovesspeakers
andspeakerslovetheRialto400!
Cables
•Werecommendtheuseofhigh‐quality
analogand/ordigitalcables.Allcablesshould
bekeptasshortaspracticablypossible.
Powercablingshouldbekeptasfarawayas
possiblefromaudiocables.
Settingthe
Scene!

6
Rialto400‐Front
AudioControlLogo
MakingGoodSoundGreat
LEDIndicator
Blue‐Performing
DimRed–StandbyMode
BrightRed‐ProtectionMode
FlashingRed–CurrentLimit
Green–Coffeebrewed
HeadphoneJack
Headphonejackforlisteningthroughheadphones.
AudioControlUserManual‐Rialto400
Guided
Tour
FlexibilityandVersatilityatitsBest
•TheRialto400hasnumerousinputsforavarietyof
entertainmentsources.Thesesourcescanbedigitalor
analogasthereareamultitudeofinputsforboth.The
sourceunitshouldnormallyhaveabuilt‐involumecontrol.
•WhensettinguptheRialto400,itshouldbelocated
betweenthesourceunitandthespeakersinaconvenient
andsafeplacefollowingtheguidelinesinthisusermanual.
•SourcesthatcanconnecttotheRialto400andhavetheir
performancedramaticallyimprovedinclude:
•DigitalMusicSystemslikeSONOS
•Televisions
•AnalogandDigitalAudioSources
•Computers
•GamingConsoles
•Anyroomrequiringadditional/improvedamplification

7
Rialto400‐Back
PowerSwitch
PowerInlet
Connectthecorrect
Powercablehere
VoltageSelectSwitch
Ensurethatthevoltageselected
matchesyourlocalpowersupply
AnalogAudioInputs
RCAinputsforanalogsources
AccuBASS™Level
Adjusttorejuvenatethebass
responseincreasingtherichnessof
themusicandbasslevel
SpeakerLevelGain
Adjusttoincreaseanddecrease
speakerinputlevelgaincontrol
AnalogAudioInput
1/8thinchstereoanaloginput
SpeakerLevelInputs
Connectinputspeakerwirestotheseterminals
12VoltTriggerOutput
InputPriority
(Active=Down)
StandbyOff
DigitalPriority
AnalogPriority
AllOn
Five‐WayGoldPlatedBindingPosts
Highperformancegoldplatedspeakeroutputbinding
posts
DigitalAudioCOAXInput
InputfordigitalaudioCOAX
Subwoofer/MonoOutput
RCAoutputforanalog
DigitalGainLevel
Adjustmentfordigitalgain
AnalogGainLevel
Adjustmentforanaloggain
AudioControlUserManual‐Rialto400
Guided
Tour
DigitalAudioInput
Inputforopticaldigitalinput
MonoLED

8
Rialto400‐Bottom
GroundLiftSwitch
Switchesthelevelofisolation
betweentheaudiosignalground
andyourACearthground.
MonoBridgingSwitch
Usedtobridgethe
Rialto400intoMonomode.
AudioControlUserManual‐Rialto400
FlexibilityandVersatilityatitsBest
ThebottomoftheRialto400containsimportantsafetyandcompliance
information.Italsocontainstwoadjustmentsettingsthatcanbealteredto
improveperformanceundercertainconditions.
•Stereo/MonoModeSwitch
–Undernormaluseconditions,thisswitchwillbesetto‘Stereo’.
WhentheRialto400isusedinMonomode(i.e.usingtheRialtoto
amplifyapoweredsubwoofer),theoutputoftheRialto400is
increasedtoashighas400watts.IftheRialto400isusedinMono
mode,theStereo/Monoswitchshouldbeswitchedto‘Mono’.When
inMonomode,thered‘Mono’LEDwilllightonthebackoftheRialto
400.
•GroundLiftSwitch
–Thisswitchselectsthelevelofisolationbetweentheaudiosignal
groundandyourACearthground.Undernormaloperating
conditionsthisswitchshouldbeswitchedtothe‘ground’position,
butifyourunintotroublewithanACgroundhum,trytheothertwo
settingsforthebestoperation.Foryoursafety.Thechassisisalways
connectedtotheearthgroundregardlessoftheswitchsetting.
VentilationGrills
KeepstheRialto400
nicelyventilated!
Guided
Tour

AudioControlUserManual‐Rialto400 9
SingleSourceSet‐Up Operation
1
4
6
5
3
2
7
TypicalSingleSourceAnalogSet‐Up–TV
•ConnectoneanalogsourcetotheRialto400usingtheright(R)andleft(L)analogRCA,1/8thinch
miniorspeakerlevelinputs.
•FromtheRialto400connectapairofyourfavoritespeakerstotherightandleftspeakeroutputs
ensuringthatpolaritymatches.
•TurnontheRialto400pressingthepoweronswitch!
(Note:Wheneverchanginginputs,switchtheRialto400offfirst,makechangesandthenswitchitback
on).
•SettheInputPrioritytoAnalog.
•AdjustthegainonthebackoftheRialto400adjustingtheanaloggainleveltothedesiredgain
settingtoworkwithyoursourcevolumecontrol.
•AdjustthelevelontheAudioControlAccuBASS™tothedesiredamountofbassresponsetoadd
bassandrichnessbacktoyourmusic.
•EnjoyMakingGoodSoundGreatwiththeRialto400.
Note:AlternativelyyoucanchooseDigitalasyourpriority
ifyouwantprioritytobedigitalinsteadofAnalog.Youcanalso
settheRialto400to‘AllOn’fornopriorityallowingallsources
tobecontrolledviathesourcevolumecontrols.
7
InputPriorityconfiguration(AnalogPriority)
4

AudioControlUserManual‐Rialto400 10
TwoSourceSet‐Up Operation
2
5
7
6
4
3
8
TypicalTwoSourceAnalog/DigitalSet‐UpconfiguredwithDigitalPriority
•ConnectonedigitalsourcetotheRialto400usingtheopticalorCOAXinput.
•ConnectoneanalogsourcetotheRialto400usingtheright(R)andleft(L)analoginputs.
•FromtheRialto400connectapairofyourfavoritespeakerstotherightandleftspeakeroutputs
ensuringthatpolaritymatches.
•TurnontheRialto400bypressingthe‘power’switchtoon!(Note:
Wheneverchanginginputs,switchtheRialto400offfirst,makechangesandthenswitchitbackon).
•SettheInputPriorityto‘AnalogorDigital’dependingonyourpreference
orsettheInputPriorityto‘AllOn’fornoprioritybetweeninputs
•AdjustthevolumeonthebackoftheRialto400usingthedigitalvolumeandthenrepeatusingthe
analogvolumetothedesiredvolumesettingtowork
withyoursourcevolumecontrol.
•AdjustthelevelontheAudioControlAccuBASS™tothedesired
amountofbassresponsetoaddbassandrichnessbacktoyourmusic.
•EnjoyMakingGoodSoundGreatwiththeRialto400.
8
1
InputPriority
(DigitalPriority)
5