Behringer MA6480A User manual

Energy-Efficient, Multi-Function 240-Watt Mixing Amplifier with Dual 70/100 V and 4 Ohms Outputs
MA6480A
Features
• Multi-function240-Wattmixingamplierwithdual
70/100Vand4Ωoutputs,designedforcontinuous
operationindistributedmusic,pagingand
AVapplications
• State-of-the-art,energy-savingSwitch-ModePower
technologywithupto77%powereciencydrastically
reducesenergycost
• 2transformerless,cool-runningClass-Dampliers
simultaneouslydrive70/100Vand4Ωloadswith
adjustableBalancecontrol
• 2Mic/LineinputsonEuroblockandXLR/TRS
connectors,eachwithswitchableMic/Lineand
PhantomPower
• Input1featurescontact-activatedmutingandpriority
‘voiceover’switch
• WiredRemotevolume,powerandmute
controlconnector
• IndividualfrontpanelinputLevelcontrolsand3-band
fullyparametricequalizationwithFrequencyand
Qcontrol
• Auto-dimmingcontrolillumination,dualchannel
VUmeter,Powerswitch,anddual-functionindicator
ringsurroundingMastervolumecontrol
• MainmixoutputonEuroblockconnectorwith
selectable70/100Vand8Ωoutputs
• Detachablerackears,screwcovers,blankknobcaps
forcontrollock-out,IEC-typeACpowercordandall
matingEuroblockconnectorsincluded
• IndependentDCandthermaloverloadprotectionplus
automaticlimitersforeachamplierpreventoverload,
clippinganddistortionwithoutshuttingdownaudio
• Ultra-light,ultra-lownoiseandultra-ecient
switch-modepowersupplyfornoise-free
audio,superiortransientresponseandlow
powerconsumption
• High-qualitycomponentsandexceptionallyrugged
constructionensurelonglife

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Energy-Efficient, Multi-Function 240-Watt Mixing Amplifier with Dual 70/100 V and 4 Ohms Outputs
MA6480A
Product Overview
TheEUROCOMMA6480Aisaprofessionalrack-mountable
poweramplierforinstalledsoundapplicationsin
commercialsettingssuchashospitality,retail,tness,
business,andeducation.IncorporatingBEHRINGER’s
exclusiveDualDrivetechnology,theMA6480Aispowered
bytwoindependentmonoampliers,onewithahigh
impedanceoutputthatmaybesettoeither70or100V,
andtheotherwithastandardlow-impedanceoutput.
Thisuniquelyversatilecongurationenableseasy
installationandsetupofhybridmulti-zonesystems
combiningdistributedandlow-impedancespeakers,
makingtheMA6480Aaninnovativeyetpracticalsolution
forabroadrangeofinstalledsoundenvironments.
TheMA6480Aincludestwochannelsforbalancedor
unbalancedinputfromline-levelsourcesormicrophones,
eitherstandardorphantompowered.Bothchannels
acceptinputviaXLR/TRS(-inch)combinationjacks.
Additionally,channel2acceptsinputfroma3-pin
Euroblockconnector,andchannel1acceptsinputfrom
4-pinEuroblockconnectorwithacontrolpin.Channel1
alsohasaprioritymodeswitchthatselectsbetween
always-on,voice-activated,orcontrol-pinactivated.
Thechannel2inputcanbemutedwheneverthechannel
1inputisactive.Thelevelatwhicheachchannelis
senttothetwopowerampliersissetwithindividual
front-panellevelcontrols.Thepoweramplieroutputsfor
bothhigh-andlow-Zappearonasingle4-pinEuroblock
connector.TheMA6480Aalsoincludesa5-pinEuroblock
forremotecontrol.
TheMA6480Afrontpanelincludesamasterlevel
(mainmix)knobthatissurroundedbyanindicatorring
thatglowsyellowwhentheunitispoweredandashes
redattheonsetofclipping.A3-bandfully-parametricEQ
isprovidedtooptimizetheoutputforanyenvironment.
AlsoincludedisanLEDmeterindicatingtheoutputlevel
tothepowerampliers.
MA6480Aoperationisbothcoolandextraordinarily
energy-ecientthankstotransformerlessClass-D
ampliersthatutilizeswitch-modepowersupplies.
Theampliersdeliver240Wintolow-Zloadsof4Ωand
high-Zoutputsof70or100V.Abalancecontroladjusts
therelativeoutputofthetwoamps.Eachamplieris
protectedwithDCandthermaloverloadprotection,
aswellasbyautomaticlimitingthatpreventsoverload,
clipping,anddistortion.
Well-suitedtoanyinstalledpowerampapplication,
theEUROCOMMA6480Amakesaperfectcomplement
totherestoftheMA6000series,providingaddedpower
ampchannelssimultaneouslyforbothhigh-Zandlow-Z
loudspeakersystems.Integratingquality,style,and
powerintoasingleDualDrivepackage,theMA6480Aisan
exceptionalvalueforinstalledsoundamplication.

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Energy-Efficient, Multi-Function 240-Watt Mixing Amplifier with Dual 70/100 V and 4 Ohms Outputs
MA6480A
Audio Inputs
Mic / Line inputs 1 & 2
• Type 2 x XLR / ¼" TRS combo jacks
1 x 4-pin Euroblock in parallel and
1 x 3-pin Euroblock in parallel
• Impedance Mic: -50 dBV, 600 Ω
Line: 0 dBV, 600 Ω
Electronically balanced
Phantom power 24 VDC, switchable Inputs 1– 2
Audio Outputs
Amplier output 1 x 4-pin female Euroblock
• LO-Z 2 terminals @ 4 Ω
• HI-Z 2 terminals @ 70V / 100V, switchable
• Output regulation < 2 dB, no load to full load
Amplier
Amplier channels LO-Z: 1 x 4 Ω, minimum
HI-Z: 1 x 70 / 100 V, switchable
Power output LO-Z 240 W RMS @ 4 Ω
1% THD, 1 kHz sine wave
• Min. impedance 4 Ω
Power output HI-Z 240 W RMS @ 70 V
1% THD, 1 kHz sine wave 240 W RMS @ 100 V
• Min. impedance 20 Ω @ 70 V
42 Ω @ 100 V
System Information
• Dynamic range Mic: 65 dB
Line: 80 dB
• THD + N 0.5% @ 1 kHz, rated output
• Frequency response 50 Hz - 18 kHz, ±2 dB
• Tone controls Low: ±15 dB at 20 Hz - 800 Hz,
Mid: ±15 dB at 700 Hz - 7 kHz,
High: ±15 dB at 5 kHz - 20 kHz,
Q: 0.5 to 5
Control Connections
Remote 1 x 5-pin Euroblock connector
• Common -5 VDC, 100 mA current,
short-circuit protected
• Remote power +5 VDC, 100 mA current limited,
short-circuit protected
• RVC 10 kΩ linear-taper potentiometer
• Unit power on/o +5 VDC voltage make contact input,
no open voltage
• Mute No-voltage make contact input;
open voltage 5VDC
Short circuit: < 10 mA
Input 1
• Control No-voltage make contact input;
open voltage 5VDC
Short circuit: < 10 mA
Indicators
• Power LED ring illumination (Yellow)
• Overload / protection LED ring indication (Red)
• Output level LED VU output meter
(Yellow and Red while clipping)
Power Supply (Fuses)
• Mains voltage Switchable, 100-120 / 220-240 VAC
60/50 Hz
• Fuse T 6.3 AH 250 V / T 3.15 AH 250V
• Power eciency 77% max.
• Power consumption 39 W @ idle
120 W @ 1/8 power
240 W @ 1/3 power
620 W @ full power
• Mains connector Standard IEC receptacle
Dimensions / Weight
• Dimensions (H x W x D) 3.5 x 17 x 16" / 88 x 432 x 406 mm
• Weight 12.8 lbs / 5.8 kg
Technical Specications

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Energy-Efficient, Multi-Function 240-Watt Mixing Amplifier with Dual 70/100 V and 4 Ohms Outputs
MA6480A
Theampliershallbeofrack-mountabledesignusingtwomonotransformerlessClassDpoweramplierswithswitch-mode
powersupplies,onelow-Zandonehigh-Z(70/100V)fordistributedspeakersystems.
Front-panel controls and indicatorsshallincludethefollowing:
• Powerbutton(latching)turnstheunitonando
• MasterLevelknobsetsoutputleveltopoweramps
• Indicatorringshowspower(yellow)andclipping(ashingred)
• MasterlevelLEDmetersindicatelevelofmainoutputtoamps
• Inputlevelknobssetthelevelofinputs1and2
• 3-bandfully-parametricEQ
Rear-panel controls and indicatorsshallinclude:
• Balancescrewpotadjuststherelativeoutputofthetwoamps
• High-Zmodeswitchsetshigh-Zampto70or100V
• Channelinputswitchesselectstheinputforchannels1and2,eitherlinelevel,miclevel,ormicwithphantompower
• Prioritymodeswitchonchannel1selectsbetweenalwayson,voice-activated,orcontrol-pinactivated
Connectionstotheampliershallinclude:
• Mic/LineinputsontwoXLR/TRS(-inch)combinationjacks,one3-pinEuroblockconnector,andone4-pinEuroblock
connectorwithcontrolpin
• Outputforbothhigh-andlow-Zona4-pinEuroblockconnector
• Remotecontrolinputon5-pinEuroblockconnector
• ACpoweronIECreceptacle
ProtectionsincorporatedintotheampliershallincludeautomaticlimitingandindependentDCandthermal
overloadprotection.
Performance criteriametbytheampliershallinclude:
• RMSpoweroutput(1kHz@1%THD)of240Wforbothlow-Z(4Ω)andhigh-Z(100/70V)ampliers
• FrequencyResponseof50Hz-50kHz(±2dB)
• Distortion(THD,1kHz)of0.5%atratedoutput
• Dynamicrangeofgreaterthan80dBforallinputs
Architect’s and Engineer’s Specications

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Energy-Efficient, Multi-Function 240-Watt Mixing Amplifier with Dual 70/100 V and 4 Ohms Outputs
MA6480A
Architect’s and Engineer’s Specications Continued
AC Power requirementsoftheampliershallbe:
• Mainsvoltageof100,115,or230VAC(Universalpowersupply),at50/60Hz
• Powerconsumptionrangingfrom39Widleto620Wfullpower
• Powereciencyofnotlessthan77%
Physical characteristicsoftheampliershallbe:
• HeightxWidthxDepthof3.5x17x16"/89x432x406mm
• Netweightof15.0lbs/6.8kg
TheampliershallbetheBEHRINGEREUROCOMMA6480A.

MA6480A
Energy-Efficient, Multi-Function 240-Watt Mixing Amplifier with Dual 70/100 V and 4 Ohms Outputs
Dimensional Drawings
Copyright © 2013 MUSIC Group IP Ltd. All rights reserved. BEHRINGER, KLARKTEKNIK, MIDAS, BUGERA, andTURBOSOUND are part of the MUSIC Group (music-group.com). The information contained herein is correct at the time of
printing.Technical specifications and appearance are subject to change without notice. Colors and specifications may vary from actual product. MUSIC Group IP Ltd. accepts no liability for any damages or loss which may be suffered
by any person who relies either wholly or in part upon any description, photograph or statement contained herein. All trademarks are the property of their respective owners. Products are sold through authorized Fulfillers and
Resellers only. Fulfillers and Resellers are not agents of MUSIC Group IP Ltd. or any of its affiliates and subsidiaries, and have absolutely no authority to bind MUSIC Group IP Ltd. by any express or implied undertaking or representation.
MUSIC Group IP Ltd.Trident Chambers,Wickhams Cay, P.O. Box 146, RoadTown,Tortola, British Virgin Islands.
Dimensional Drawings:
449.58 mm [17.7 in]
444.5 mm [17.5 in]
302.26 mm [11.9 in]
350.05 mm [113.8 in]
REAR
TOP
FRONT
SIDE
88.9 mm [3.5 in]
96.63 mm [3.8 in]