AUDAC CAP224 User manual

CAP Series

User Manual

www.audac.eu

Index

Introduction 5

CAP Series Block Diagram 6

Precautions 7

Safety requirements7 

Caution servicing7

EC Declaration of Conformity7

Waste of Electrical and Electronic Equipment (WEEE) 8

Caution 8

Chapter 1: Pin connections and connectors 9

Connection standards 9

Wire up the system 9

Chapter 2: Front & rear panel 10

Front panel overview 10

Front panel description 10

Rear panel overview 11

Rear panel description 11

Chapter 3: Connecting the Amplifier 12

Input connections 12

Output connections 12

Chapter 4: Additional information 14

Technical specifications 14

Notes 16

Introduction

Multi Channel 100V Power Amplifiers

TheCAPSeriesareprofessional100VMulti-ChannelPowerAmplifiers,containingvarious

modelswithdifferentchannelsanddifferentoutputpowerconfiguration.Differentoutput

configurationswithtwoandfourchannelsandpowerratingsfor120Watt,240Wattand

480Wattforeachchannelareavailable.

Thisway,aflexiblesolutioniscreatedforMulti-Zoneaudiodistributionsystemswithtwo

ormoreindependentzones.

Theyaredesignedasno-nonsenseamplifierswithonlythenecessarycontrolsand

connections,whichcreatesgreatsimplicityinuseandinstallation.Ahighefficiencyand

reliabilityofthedevicesisachievedbyusingswitchingpowersuppliesincombinationwith

Class-DAmplifiertechnology.Atemperaturecontrolledfanconstantlykeepsallpartswithin

therightoperationrange,whileavoidingexcessivebuzz.Abuilt-inmultipurposeprotection

circuitprotectsagainstDCmalfunction,Shortcircuit,overheating,overloadandlimitsthe

signalwhennecessary.

TheinputconnectionsareperformedusingbalancedXLRconnectorsandLinkoutput

connectorsareprovidedforlinkthroughtootheramplifiers.Besides,ahigh-passfilter

switch(400Hz)andaGainadjustmentpotentiometerareprovidedforeachchannel.

Theoutputconnectionsareperformedusingreliableterminalblockconnectorsandthisall

ishousedintoasolidconstructed,doublerackspace(2HE)19”rackmountinghousing.

CAP Series Block Diagram

Precautions

READ FOLLOWING INSTRUCTIONS FOR YOUR OWN SAFETY

ALWAYSKEEPTHESEINSTRUCTIONS.NEVERTHROWTHEMAWAY

ALWAYSHANDLETHISUNITWITHCARE

HEEDALLWARNINGS

FOLLOWALLINSTRUCTIONS

NEVEREXPOSETHISEQUIPMENTTORAIN,MOISTURE,ANYDRIPPINGORSPLASHING

LIQUID.ANDNEVERPLACEANOBJECTFILLEDWITHLIQUIDONTOPOFTHISDEVICE.

DONOTPLACETHISUNITINANENCLOSEDENVIRONMENTSUCHASABOOKSHELF

ORCLOSET.ENSURETHEREISADEQUATEVENTILATIONTOCOOLTHEUNIT.DONOT

BLOCKTHEVENTILATIONOPENINGS.

DONOTSTICKANYOBJECTSTHROUGHTHEVENTILATIONOPENINGS.

DONOTINSTALLTHISUNITNEARANYHEATSOURCESSUCHASRADIATORSOR

OTHERAPPARATUSTHATPRODUCEHEAT

DONOTPLACETHISUNITINENVIRONMENTSWHICHCONTAINHIGHLEVELSOFDUST,

HEAT,MOISTUREORVIBRATION

THISUNITISDEVELOPEDFORINDOORUSEONLY.DONOTUSEITOUTDOORS

PLACETHEUNITONASTABLEBASEORMOUNTITINASTABLERACK

ONLYUSEATTACHMENTS&ACCESSORIESSPECIFIEDBYTHEMANUFACTURER

UNPLUGTHISAPPARATUSDURINGLIGHTNINGSTORMSORWHENUNUSEDFORLONG

PERIODSOFTIME

ONLYCONNECTTHISUNITTOAMAINSSOCKETOUTLETWITHPROTECTIVE

EARTHINGCONNECTION



EC DECLARATION OF CONFORMITY

Thisproductconformstoalltheessentialrequirementsandfurther

relevantspecificationsdescribedinfollowingdirectives:2004/108/EC

(EMC)and2006/95/EC(LVD)

CAUTION - SERVICING

Thisproductcontainsnouserserviceableparts.Referallservicingto

qualifiedservicepersonnel.Donotperformanyservicing(unlessyou

arequalifiedto)



CAUTION

Thesymbolsshownareinternationallyrecognizedsymbolsthatwarnaboutpotentional

hazardsofelectricalproducts.Thelightningflashwitharrowpointinanequilateral

trianglemeansthattheunitcontainsdangerousvoltages.Theexclamationpointin

anequilateraltriangleindicatesthatitisnecessaryfortheusertorefertotheusers

manual.

Thesesymbolswarnthattherearenouserserviceablepartsinsidetheunit.Donot

opentheunit.Donotattempttoservicetheunityourself.Referallservicingtoqualified

personnel.Openingthechassisforanyreasonwillvoidthemanufacturer’swarranty.Do

notgettheunitwet.Ifliquidisspilledontheunit,shutitoffimmediatelyandtakeittoa

dealerforservice.Disconnecttheunitduringstormstopreventdamage.

WASTE ELECTRICAL AND ELECTRONIC EQUIPMENT (WEEE)

TheWEEEmarkingindicatesthatthisproductshouldnotbedisposed

withregularhousholdwasteattheendofitsworkinglife.Thisregulation

iscreatedtopreventanypossibleharmtotheenvironmentorhuman

health.

Thisproductisdevelopedandmanufacturedwithhighqualitymaterials

andcomponentswhichcanberecycledand/orreused.Pleasedispose

thisproducttoyourlocalcollectionpointorrecyclingcentreforelectrical

andelectronicwaste.Thiswillmaketosurethatitwillberecycled

onanenvironmentallyfriendlymanner,andwillhelptoprotectthe

environmentinwhichwealllive.

Chapter 1

Pin connections and connectors

CONNECTION STANDARDS

Thein-andoutputconnectionsforAUDACaudioequipmentareperformedcorresponding

tointernationalwiringstandardsforprofessionalaudioequipment.

Cinch (RCA):

Forunbalancedlineinputconnections

Tip: Signal  Sleeve:  Ground

White: Left  Red: Right

XLR:

Forbalancedsignalinputconnections

 Pin 1: Ground

 Pin 2: Signal+

 Pin 3: Signal-

Forbalancedsignallink-throughconnections

 Pin 1: Ground

 Pin 2: Signal+

 Pin 3: Signal-



Wire up the system

Thewiringofthesystemmustbedoneaccordingtothefollowingrules,toguaranteea

properfunctioningofthesysteminallcircumstances.

1. Speakercableforamplifiedoutputs:

Minimum 2 x 1.5 mm²

If distance > 15m: 2 x 2.5 mm²)



2. Musicsourcesandzoneoutputs:

Must be connected with high-quality audio cable and high-quality

connectors

Chapter 2

Front & rear panel

Front panel description

ThefrontpaneloftheCAPseriesslighlyvariesdependingoftheoutputconfigurationand

powerrating,butbasicallythepanellayoutforallCAPamplifiersissimilar.

Power switch

Apowerswitchallowstoswitchtheamplifieronandoff,whiletheblueindicatorLED

locatednexttothebuttonilluminateswhenthepowerisswitchedon.

Indicator Led’s

FourLED’sforeverychannelindicatetheoperationoftheamplifier.ThegreenSignal

LEDilluminateswheneverasignalispresent,whilethe-20dBLEDilluminateswhenthe

inputsignalexceedsthe-20dBulevel.TheClipLEDilluminateswhenthecorresponding

channelisworkingatmaximumlevel.Toensurethebestsignal-to-noiseratio,theClip

LEDmayonlyilluminateatpeaklevels.

WhentheClipLEDilluminatesfrequently,theamplifierwillbeoverloaded,adistorted

“Clipping”soundwillbeavailableontheoutput.TheProtectionLEDwillilluminatewhen

overheatingoccurs,oranyotherfaultisdetected.WhentheprotectionLEDisilluminated,

nosignalwillbeavailableontheoutputs.TheprotectionLED’swillalsoilluminatefora

fewsecondswhenpoweringuptheamplifier,andwhentheamplifierisswitchedoffthey

willslowlyfadeout.

Front Panel overview

CAP424

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