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

SpeakerConfiguration
TheRialto400hasbeendesignedtoequalizeand
improvetheperformanceofallspeakerset‐ups.
Thepoweroftheamplifiercombinedwiththe
audioperformanceandqualityofAudioControl’s
Wolfsonengineered,digitaltoanalogconverter
(DAC)resultsinadramaticimprovementinthe
performanceofallspeakerset‐upsthroughoutthe
house.
Ontherightarejusttwoofthemanytypesofspeaker
configurationthattheRialto400canworkwith.
Additionalspeakerset‐upscantakeadvantageof
theRialto400amplifiersstabilityat4ohms
poweringfourspeakers.Inaddition,theRialto400
canbeusedasaMonoamplifierwithpower
ratingsupto400watts.
AudioControlUserManual‐Rialto400 11
SpeakerSet‐UpExamples
2.1SpeakerSet‐up
•Thestandardset‐upfora2.1speakersystem
withtwo4/8ohmspeakersplusanactive
subwoofer.
4SpeakerSetUp–4/8OhmSpeakers
•Thestandardset‐upwherefour4/8ohm
speakersareparallelconnectedintotwo
channels.
Operation
•4/8ohms•4/8ohms
•4/8ohms
•4/8ohms
•4/8ohms
•4/8ohms
PoweredSubwoofer
PoweredSubwoofer

InputPriority
TheRialto400featurestheAudioControlSMARTInputPriorityfeaturethatallows
fortheRialto400toprioritizecertainsourceinputstoallowforavarietyof
operationalconditions.
ThefourInputPriority‘dipswitch’settingsareasfollows:
•StandbyOff/Sleep–Inthe‘on’positiontheRialto400willnotswitch
automaticallyintostandby/sleepmodeandwillremainoncontinuously.
•Digital–Inthe‘on’positiontheRialto400willprioritizeadigitalsignalinput
aheadofananalogsignal.Ifthedigitalsignalstops,theRialto400willswitch
backtoanincominganalogsignalifpresent.
•Analog–Inthe‘on’positiontheRialto400willprioritizeananalogsignalinput
aheadofadigitalsignal.Iftheanalogsignalstops,theRialto400willswitch
backtoanincomingdigitalsignalifpresent.
•AllOn–Inthe‘on’positiontheRialtowillhavenooverridingpriorityandall
inputswillplay.Playbackshouldbecontrolledbythevarioussourcesas‘All‐
On’couldresultinbothdigitalandanalogsourcesbeingheardasno
prioritizationhasbeenset.
Theoptimalset‐upfortheRialto400isasasingle‐sourceortwo‐sourceset‐upwith
onedigitaland/oroneanaloginputallowingforprioritizationbetweenthetwo
inputsdependingonwhatisrequiredforyourdesiredset‐up.
AudioControlUserManual‐Rialto400 12
‘InputPriority’Settings
ExampleAStandby
off
&setto‘DIGITAL’
priority
Operation
ExampleBStandby
off
&setto‘ANALOG’
priority
ExampleCStandby
off
&settoinputs
‘ALLON’
ExampleDStandby
on
&settoinputs
‘AllON’
OFF
ON

LevelMatching&InputGainControls
Ifyouhaveeverlistenedtoafriend’s“killer”homeaudiosystemandheardlotsofhiss,
clicksorpops,thenyoumayhaveexperiencedanimproperlylevel‐matchedsystem.
Thefollowingstepswillhelpyouthroughtheprocessoflevelmatching,althoughat
theendoftheday,yourearswillbeyourguide!
• Dependingonyoursource(i.e.SONOSConnect,TV,CDPlayer,GamingConsole,Digital
Player,Receiver,Preampetc.)andtheamountofgainyouwanttoset,adjustoneof
thethree‘GainSettingknobs’onthebackoftheRialto400(DigitalVolume,Analog
VolumeorSpeakerLevelVolume)to‘minimum’fortheinputyouareadjustingthe
gainfor.Thisisknownas“turningdownyourgains”.
•Startplayingsomedynamicmusicandadjustthevolumelevelonyoursourceunitto
yournormallisteninglevelusingthesource’svolumecontrol.
•NowincreasetheamountofgainonyourRialto400sothatthevolumeincreasesto
yourmaximum‘LOUD’listeninglevel.Forsomeofyou,thismaybelouderthanothers!
•ContinuetofinetunethegainlevelonyourRialto400toadjusttopersonal
preferences,‘loudness’andmusicality!Atthislevelofgain,itwillstillallowyouto
increasethesourcevolumeupanddowntoachieveminimumlevelsorrockthe
housesinthenextstreet(assumingyourspeakersaregameforitandyouhave
understandingneighbors!).
AudioControlUserManual‐Rialto400 13
AdjustingGainandLevels Operation
DigitalGain
Adjustfordigitalinputgain
AnalogGain
Adjustforanaloginputgain
SpeakerLevelGain
Adjustforspeakerlevelinputgain
• RepeatforthevarioussourceinputsyouareusingontheRialto400.The
endresultbeingthatyouwillhaveamazingsoundingmusicandthe
abilitythroughlevelmatchingthe‘gains’withyoursourcesto‘crankup
thevolume’fullybenefittingfromthepowerandcapabilityoftheRialto
400‘watts’andthemusicalityoftheinternalDAC.It’slikemagic!

AudioControlUserManual‐Rialto400 14
AdjustingAudioControlAccuBASS™
AccuBASS™BassLevelAdjustment
AudioControl'sAccuBASS™circuitisdesignedtohelprecoverthebassthatgoesmissing
incompressedmusicfilesorwhenvolumeisincreasedandthebassfrequenciesroll
away.AudioControl’sAccuBASS™isasimpleone‐timeadjustmentatthetimeof
installationtogiveyoursystemgreatbassatallvolumelevelsandaddbackinan
incrediblesoundingrichnesstoyourmusic.
•Startplayingsomedynamicbass‐richmusicandadjustthevolumelevelonyour
sourceunittoanaboveaveragelisteninglevelusingthesource’svolumecontrol.
•NowincreaseAccuBass™levelbyslowlyturningthedialclockwiseuntiltheamount
ofbassbeingrestoredmeetsyourownpersonalpreferences.
•Youwillhearbassbeingrestoredtothemusicasyouincreasethelevelof
AccuBASS™aswellastherichnessoftheaudiosteadilyimproveasbassfrequencies
arerestoredtothemusic.
•ContinuetofinetunetheAccuBASS™levelonyourRialto400toadjusttoyour
personalpreferences.
•You’redone!Youwillhavesmooth,seamlessbassatallvolumesandyoucaneven
usetheAccuBass™levelcontroltogivealittleextraboosttothebassifyoulike
morebassinyourmusic.It’syourmusicyourwayandthewaytheartistintendedit
tobeheard!
Operation
AccuBASS™
Adjusttorejuvenatethebasslevelresponse
increasingtherichnessofthemusicandbasslevel

NoSound
•ChecktheunitispluggedinandpowerLEDisBlue.Whenthe
LEDisdimred,theunitisinstandbyandwhenbrightreditis
inprotection.
•Checkallcablesaresecurelyconnected.
•Checkthesourceunitisonandplaying.
•Checkthespeakerconnectionsaresecure.
•Checkthepriorityswitchhasbeensetcorrectly.
InProtection
•TheamplifierintheRialto400willprotectitselfifit
experiencesanunusuallylargepowersurge,overheatsor
experiencesashort.ThisisacircuitthatprotectstheRialto
400andspeakers.TurndownthevolumeandtheRialto400
willnormallyresumeplayingafterashortperiodoftime.A
flashingredLEDonthefrontoftheunitindicatesthatthe
Rialto400isoperatingatits‘CurrentLimit’andindangerof
goingintoprotection.Inthissituationyoumayhavetoo
manyspeakersattached,youaredrivingtheamplifiertoo
hardorspeakerimpedanceisbelow4ohmsandyoumay
needtoreducetheload.
AudioControlUserManual‐Rialto400 15
Help!
PrioritySwitching
•Adelayofapproximately10secondsissetforthe
‘inputpriority’source(i.e.digitaloranalog)to
notseeaprioritizedinputbeforetheswitchback
totheun‐prioritizedinput.
•Duringquietpassages,lengthysilentspacesin
musicoraTVprogram,theRialto400may
believethattheprioritizedsignalhasstoppedand
willswitchbacktotheun‐prioritizedsignal.This
willcorrectimmediatelywhentheprioritysignal
startsagain.TheRialto400issettoautomatically
switchbacktothenon‐prioritizedsignalafter
approximately10secondsofquietspace/silence.
MoreTroubleshooting
Foradditionaltroubleshooting,supportand
technicaladvice,pleasevisitourwebsiteat
www.audiocontrol.com.
Service
AudioControlhasareputationforprovidingsomeofthebestsupport
andserviceinourindustry.Ourtechnicalteamtakespridein
ensuring
werespondtoanycustomerneedsprovidingsupportthroughour
websiteandliveonthephonefromourbasehereinSeattle,USA.
Ifyouneedservice,firstcontactyourlocaldealerorinternational
distributorforadvice.Youcanalsocontactourtechsupport
teameitherbyemailorphonefrom8am‐5pmPacificStandard
Time(PST).Wewillverifyifthereisanythingthatyoucan
correctyourself.Ifweaskyoutoreturnaunit,pleaseinclude
thefollowing.
•Copyofproofofpurchase(Nooriginalsplease)
•Abriefexplanationoftheproblem
•Afullreturnaddress(NoP.O.Boxesplease)
•Adaytimephonenumberincaseofquestions.
Youwillberesponsibleforfreightchargestous,butwewillpaythe
returnfreightbackaslongastheunitisunderwarranty.We
RecommendUnitedParcelService(UPS)formostshipments.Our
repairservicesaddressis:
Attn:ServiceDepartment
2241070thAvenueWest,MountlakeTerrace,WA,98043,U.S.A.
Phone:+1425‐775‐8461Email:[e-mail]
Web:www.audiocontrol.com
Troubleshooting
&Service

MinimumVoltagetoDriveMaxPower
•RCAinputs:230mVolts
•Speakerinputs:2.0Volts
SignalSenseTriggerMinimum
•RCAinputs:10mVolts
•Speakerinputs:100mVolts
•Digital:Bitstream
BassAdjustment
•AudioControlAccuBASS™
Dimensions
•Weight4.5lbs
•Width8.5inches
•Depth5.4inches
•Height2.9inches
AudioControlUserManual‐Rialto400 16
What’sInside!
ProductAssurance
•CountryofOrigin:USA
•EngineeredandAssembledinUSA
•Rainforest:PacificNorthwest
•LimitedWarranty:5Years
•PatentPending
•Foradditionalspecificationsandtechnical
detailsvisitwww.audiocontrol.com
Manual
Thismanualwaswritten,designed,printed
andcarefullyplacedrightsideupintothe
boxintheUSAonawetandrainydaybyateamof
musiclovers.
©AudioControl2013,AllRightsReserved.
AudioControl®,Rialto400™andAccuBASS™
areregisteredtrademarksofAudioControlInc.
AudioControlManual#:9131200
Specifications
Inputs&Outputs
•2ChannelPowerAmplifier
•DigitalInputs:OpticalToslink&CoaxSPDIF75
ohms
•AnalogInputs:Stereo,Speakerlevels&1/8thInch
PowerOutput
•100wattsperchannelinto8ohms
•200wattsperchannelinto4ohms
•MinimumSpeakerLoad4ohms
PowerConsumption
•TypicalListening:40watts
•Maximum:520watts
LineVoltage
•100‐120VAC/200‐240VACSwitchable
SoundMeasurement
•SignaltoNoiseRatio:>95dB
•TotalHarmonicDistortion:0.09%

OurWarranty
Peopleareconfusedbywarranties!Lotsoffineprint.Monthsofwaitingaround.Well,fearnomoreAudioControlishere.
ThiswarrantyisdesignedtomakeyouraveaboutAudioControl.It’sawarrantythatlooksoutforourcustomers,plus
helpsyouresistthetemptationtohaveyourfriend,“whoisgoodwithelectronics”,trytorepairyourAudioControl
product.Sogoahead,readthiswarranty,thenregistertheinformationatwww.audiocontrolregistration.com.
“Conditional”doesn’tmeananythingominous.TheFederalTradeCommissiontellsallmanufacturerstousethetermto
indicatethatcertainconditionshavetobemetbeforethey’llhonorthewarranty.Ifyoumeetalloftheseconditions,we
willwarrantallmaterialsandworkmanshipontheRialto400forfive(5)yearsfromthedateyouboughtit,andwewill
fixorreplaceit,atouroption,duringthattime.
Herearetheconditionalconditions:
1.YouneedtoregisteryourpurchaseoftheRialto400withusbygoingtotheAudioControlwebsitewww.audiocontrol.com
andthengotothewarrantyregistrationpageandfollowthedirections.Optionally,goto
www.audiocontrolregistration.com.
2.Youmustkeepyoursalesreceiptforproofofpurchaseshowingwhenandfromwhomtheunitwaspurchased.We’renot
theonlyoneswhorequirethis,soit’sagoodhabittogetintowithanymajorpurchase.
3.TheRialto400musthaveoriginallybeenpurchasedfromanauthorizedAudioControldealer.Youdonothavetobethe
originalowner,butyoudoneedacopyoftheoriginalsalesslip.
4.Youcannotletanybodywhoisn’t:(A)theAudioControlfactory;or(B)somebodyauthorizedinwritingbyAudioControlto
servicetheRialto400.Ifanyoneotherthan(A),or(B)messeswiththeRialto400,thatvoidsyourwarranty.
5.Thewarrantyisalsovoidiftheserialnumberisalteredorremoved,orifTheRialto400hasbeenusedimproperly.Now
thatsoundslikeabigloophole,buthereisallwemeanbyit:Unwarrantedabuseis:(A)physicaldamage(don’tusethe
Rialto400tolevelyourdiningroomtable);(B)improperconnections(120voltsintotheRCAjackscanfrythepoorthing);
(C)sadisticthings!
Thisisthebestproductweknowhowtobuild,butifyoustrapittothefrontbumperofyourRangeRover,somethingmight
break.Assumingyouconformto1through5,anditreallyisn’tallthathardtodo,wegettheoptionoffixingyourold
unitorreplacingitwithanewone.
AudioControlUserManual‐Rialto400 17
TheGoodSmallPrint!
TheLegaleseSection!
Thisistheonlywarrantygivenby
AudioControl.Thiswarrantygivesyou
specificlegalrights,andyoumayalsohave
rightsthatvaryfromstatetostate.Promises
ofhowwelltheRialto400willworkarenot
impliedbythiswarranty.Otherthanwhat
we’vesaidwe’lldointhiswarranty,wehave
noobligation,expressorimplied.
Wemakenowarrantyofmerchantabiltyor
fitnessforanyparticularpurpose.Also
neitherwenoranyoneelsewhohasbeen
involvedinthedevelopmentormanufacture
oftheunitwillhaveanyliabilityofany
incidental,consequential,specialorpunitive
damages,includingbutnotlimitedtoanylost
profitsordamagetootherpartsofyour
systembyhookinguptotheunit(whether
theclaimisoneforbreachofwarranty,
negligenceofothertort,oranyotherkindof
claim).Somestatesdonotallowlimitations
ofconsequentialdamages.
Failuretoregisteryourproductnegatesany
serviceclaims.Thewarrantyincludedwith
theunitshallsupersedethisplain‐text
versionifthereisanyinconsistencybetween
thetwo.
Warranty

Architect210EQ
2CHANNELHIGH‐POWERAMPLIFIERWITHEQ
TheAudioControlArchitectModel210EQisa
highpower,240wattsinto2ohms,amplifierthat
deliverssuperbsoundqualitywhiledrivingupto8
speakers(stableinto2ohms).
Afullyintegratedsix‐bandequalizerisengineeredfor
optimalperformancefromsmallerandin‐wall
loudspeakers
TheArchitect210EQisalsoavailablewithEnergyStar
Certificationasanoptionoperatingatunder1Wattin
standby.
2ChannelsŸHighCurrentDesignŸ240WattsPer
Channelinto2Ohms(8Speakers)Ÿ6‐Band
SpeakerEqualizationŸCoolRunningŸLightDriveAnti
ClippingŸ2URackSpaceŸPFMSubsonicFilterfor
SpeakerProtectionŸSignalSenseTurn‐onŸBlueLED
Architect1680EQ
16CHANNELAMPLIFIERWITHSPEAKEREQ
TheArchitectModel1680EQmulti‐roomamplifier
squeezes16‐channelsofcoolrunningpower
withdiscretezoneequalizationcontrolsinto
justthreerackspaces.
Withpoweroutputlevelsofatleast65wattsper
channelinto8ohms,andevenmoreintolower
impedances,theArchitectModel1680EQ
deliversrobustpowerlevelsandpristinesonics
16ChannelsŸ65WattsPerChannel,AllChannels
DrivenŸBridgeableforIncreasedPowerŸCool
Running,ClassHTopologyŸ5‐BandSpeaker
EqualizationŸCompact3URackSpaceŸ
LightDriveAnti‐ClippingProtectionŸBlueLEDŸ
LessThan1WattinStandby
AudioControlUserManual‐Rialto400 18
MoreMakingGoodSoundGreatatAudioControl
DirectorModelD3400&D4400
16CHANNELNETWORKAMPLIFIER/SPEAKEREQ
Moderndistributedaudiosystemsdemandhighlevelsof
audioperformanceandflexibility,whichmakesThe
DirectorModelD3400andD4400uniqueintheir
design.Deliveringpowerfulandefficientamplification
of60or100wattsperchannel,theyareperfectly
matchedwithaconfigurableDSPenginetomaximize
thesoundperformanceofanymulti‐roomsystem.
TheuniqueDSPdesignallowsnetworkaccesstographic
andparametricequalizationfilters,digitalcrossover
settings,subsonicfilters,andallowsremotemonitoring
andzoneswitchingcapabilities.
16ChannelHighPowerAmplifierŸ16x65w(D3400)or
100w(D4400)perchannel.ŸBridgeableforIncreased
PowerŸEthernetPortforStatusMonitoring,Source
Switchingand12VoltTriggerControlŸNetwork
ProgrammableGraphic&ParametricEqualizationwith
UserMemories
MakingGood
SoundGreat

•Readtheseinstructions.
•Keeptheseinstructions.
•Heedallwarnings.
•Followallinstructions.
•Donotusethisproductnearwater.
•Donotblockanyventilationopenings.Installin
accordancewithmanufacturersinstructions.
•Donotinstallnearheatsourcessuchasradiators,
stovesoranyotherapparatusincludingamplifiers
thatproduceheat.
•Donottrytoalterthesafetypurposeofthe
productorelectricalsafetyplug
•Protectthepowercordfrombeingwalkedon,
pinchedorstretched
•Onlyusetheproductinwaysspecifiedbythe
manufacturer
•Donot‘HotPlug”.Whenchanginginputsor
outputs,switchtheRialto400offbeforemaking
changes.Oncechangeshavebeenmade,then
switchtheRialto400backon.
19
ImportantSafetyInstructions
•Unplugthisproductduringlighteningstormsor
whenunusedforlongperiodsoftimewhichwe
hopewillberarely!
•Referallservicingtoqualifiedservicepersonnel–
Servicingisrequiredwhentheapparatushasbeen
damagedinanyway,suchaspower‐supplycordor
plugisdamaged,liquidhasbeenspilledorobjects
havefallenintotheapparatus,theapparatushas
beenexposedtorainormoisture,doesnotoperate
normallyorhasbeendropped.
•Objectorliquidentry–WARNING–takecarethat
objectsdonotfallthroughanyopenings.The
equipmentshallnotbeexposedtodrippingor
splashing.Liquidfilledobjectssuchasvasesshould
notbeplacedontheequipment.
•Climate–Theequipmenthasbeendesignedforuse
inmoderateclimatesandindomesticsituations.
•Cleaning–Unplugtheunitfromthemainssupply
beforecleaning.Thecaseshouldnormallyonly
requireawipewithasoft,lint‐freecloth.Donotuse
chemicalsolventsforcleaningtheunit.
•AbnormalSmell–Ifanabnormalsmellorsmokeis
detectedfromtheequipment,turnthepoweroff
immediatelyandunplugtheequipmentfromthe
walloutlet.Contactyourdealer&donotreconnect.
FCCComplianceStatement(UnitedStates)
Note:Thisequipmenthasbeentestedandfoundtocomplywith
thelimitsforaClassBdigitaldevice,pursuanttopart15ofthe
FCCRules.Theselimitsaredesignedtoprovidereasonable
protectionagainstharmfulinterferenceinaResidential
installation.Thisequipmentgenerates,usesandcanradiate
radiofrequencyenergyand,ifnotinstalledandusedin
accordancewiththeinstructions,maycauseharmful
interferencetoradiocommunications.However,thereisno
guaranteethatinterferencewillnotoccurinaparticular
installation.Ifthisequipmentdoescauseharmfulinterferenceto
radioortelevisionreception,whichcanbedeterminedby
turningtheequipmentoffandon,theuserisencouragedtotry
tocorrecttheinterferencebyoneormoreofthefollowing
measures:Reorientorrelocatethereceivingantenna.Increase
theseparationbetweentheequipmentandreceiver.Connect
theequipmentintoanoutletonacircuitdifferentfromthatto
whichthereceiverisconnected.Consultthedealeroran
experiencedradio/TVtechnicianforhelp.Modificationsnot
expresslyapprovedbythemanufacturercouldvoidtheuser's
authoritytooperatedtheequipmentunderFCCrules
AudioControlUserManual‐Rialto400
BeSafe!