AUDAC AMP20 User manual

AMP20
User Manual
www.audac.eu

2

3
Index
Introduction 5
Precautions 6
Safety requirements6

Caution servicing7
EC Declaration of Conformity    7
Waste of Electrical and Electronic Equipment (WEEE) 7

Chapter 1: Connections and connectors 9
Connection standards 9
Chapter 2: Overview AMP20 11
Front panel 11
Rear panel 12

Chapter 3: AMP20 Quick start guide 14
Connecting the AMP20 14
Configuring the AMP20 15
Ready 15
Chapter 4: Technical specifications 16

4

5
Introduction
Mini Stereo Power Amplifier
TheAMP20isaMiniStereoPowerAmplifierwithapowerratingof2x15Watt,which
lendsitselfperfectlytosmallspeakersystemsrequiringcompactandeconomicalaudio
solutions.Itofferstheidealsolutionforapplicationssuchasclassrooms,officesand
meetingroomswhereasmallamountofspeakersarerequired.
Thecompactsizeandveryhighefficiencymakesitperfectlysuitedtobehiddenina
closet,onafalseceilingormountedunderadeskortable.
Thecombinationofthestereobalancedlineandmicrophoneinputmakeitperfectly
suitedforapplicationswhereitshouldbeusedincombinationwithprojectionscreens
andvideosourceswhileamicrophoneisconnected.Twogainpotentiometersmakeit
possibletocontrolthesensitivityandbalancebetweenmusicandspeech,whileaswitch
allowsbridgingoftheoutputchannelstoobtainonechannelwithmergedoutputpower.
Aremotewallmixercanbeconnectedforapplicationswherelocalmixingoftheinputs
isdesirable,whilelargedistancescanbecoveredbetweenthesourceandamplifier
usingsimpleCAT5twistedpaircabling.Thevolumecontrollerinputallowsconnection
ofanadditionalwallcontrollerforoverallvolumecontrol.
TheClass-DAmplifiertechnology,standbymodeandincludedswitchingpowersupply
makesthisdevicecomplianttoEnergyStar3.0andotherstrictenergyefficiencyand
environmentalrequirements.

6
Precautions
READ FOLLOWING INSTRUCTIONS FOR YOUR OWN SAFETY
• ALWAYSKEEPTHESEINSTRUCTIONSFORFUTUREREFERENCE.NEVER
THROWTHEMAWAY
• ALWAYSHANDLETHISUNITWITHCARE
• CLEANONLYWITHDRYCLOTH
• HEEDALLWARNINGSANDFOLLOWALLINSTRUCTIONS
• NEVEREXPOSETHISEQUIPMENTTORAIN,MOISTURE,ANYDRIPPINGOR
SPLASHINGLIQUID.NEVERPLACEANOBJECTFILLEDWITHLIQUIDONTOP
OFTHISDEVICE
• 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WITHAHIGHLEVEL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
• CAREFULLYCHECKTHEUNIT’SCONDITIONAFTERUNPACKING.
IFTHEREISANYDAMAGETOTHECARTONBOXORTHEUNITITSELF,
INFORMYOURVENDORIMMEDIATELY.
• ONLYCONNECTTHISUNITTOAMAINSSOCKETOUTLETWITHPROTECTIVE
EARTHINGCONNECTION
• THEINSTALLATION,CONNECTIONANDCONFIGURATIONOFTHEDEVICE
SHOULDBEDONEBYQUALIFIEDTECHNICIANS

7
CAUTION
• USECABLESOFTHERIGHTGAUGEFORCONNECTINGLOUDSPEAKERSTO
THEAMPLIFIEDOUTPUTS
• USECABLESWITHCLEARCOLOURCODINGINDICATINGTHEPOLARITYAND
MAINTAINTHESAMEPOLARITYTHROUGHOUTTHEWHOLESYSTEM.
• ONLYUSETHECORRECTLOADIMPEDANCE(MIN4OHM)WHEN
CONNECTINGLOUDSPEAKERSTOTHEAMPLIFIEDOUTPUTS.EXCEEDING
THESELIMITSCOULDCAUSEFIREOROTHERFAILURES.
• DONOTCONNECTINDUCTIVELOADSDIRECTLYTOTHEAMPLIFIEDOUTPUTS
• AVOIDELECTRICSHOCKS:SWITCHOFFTHEAMPLIFIERWHENCONNECTING
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doso.)
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)
WASTE ELECTRICAL AND ELECTRONIC EQUIPMENT (WEEE)
TheWEEEmarkingindicatesthatthisproductshouldnotbe
disposedwithregularhouseholdwasteattheendofitsproduct
life.Thisregulationiscreatedtoprotectboththeenvironment
andhumanhealth.
Thisproductisdevelopedandmanufacturedwithhighquality
materialsandcomponentswhichcanberecycledand/orreused.
Pleasedisposeofthisproductatyourlocalcollectionpointor
recyclingcentreforelectricalandelectronicwaste.Dothisto
makesurethattheproductisrecycledinanenvironmentalfriendly
way,andhelptoprotecttheenvironmentinwhichwealllive.

8

9
Chapter 1
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inputconnections
 Pin 1: Ground
 Pin 2: Signal+
 Pin 3: Signal-
3-Pin Euro-Terminal Block:
Forbalancedinputconnections

 Left: Signal- (XLRPin3)
 Center: Signal+ (XLRPin2)
 Right:  Ground  (XLRPin1)
Forbalancedinputconnections:

10
Forunbalancedinputconnections:
REMOTE WALL MIXER RJ45 (Audio, +8V DC, -8V DC):
ForconnectiontoRemoteWallMixers(AudioInput&Mixing)

Pin 1  White-Orange  AUDIOLeft+
Pin 2  Orange   AUDIOLeft-
Pin 3  White-Green  +8VDC
Pin 4  Blue   -8VDC
Pin 5 White-Blue  GND
Pin 6  Green   GND
Pin 7  White-Brown  AUDIORight+
Pin 8  Brown   AUDIORight-
VOLUME CONTROLLER RJ45:
Forconnectiontowallmountedvolumecontrollers(Overallvolumecontrol)
Pin 1  White-Orange  N/C
Pin 2  Orange   N/C
Pin 3  White-Green  -8VDC
Pin 4  Blue   0~-8VVariablein
Pin 5 White-Blue  GND
Pin 6  Green   GND
Pin 7  White-Brown  N/C
Pin 8  Brown   N/C
ATTENTION
Thetwistedpaircablingmustalwaysbe‘straight’.Incase
ofselfmadecabling,itmustbewiredasdescribedabove,
tomakethesystemworkproperly.