OSD Audio MX880 Owner's manual

MX880
OSD Audio
Brand
OSD Audio
Model
MX880
Category
Supplementary music equipment
Type
Owner's manual

This manual is also suitable for

MX SERIES MULTI ZONE AMPLIFIER OWNER’S MANUAL
MULTI-ZONE
DIGITAL AMPLIFIER
MX SERIES
MULTI-ZONE
DIGITAL AMPLIFIER
MX SERIES
WARNING
• TO PREVENT FIRE OR SHOCK HAZARD, DO NOT USE THIS PLUG WITH AN EXTENSION
CORD, RECEPTACLE OR OTHER OUTLET UNLESS THE BLADES CAN BE FULLY INSERTED TO
PREVENT BLADE EXPOSURE.
• TO PREVENT FIRE OR SHOCK HAZARD, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR
MOISTURE.
• TO PREVENT ELECTRICAL SHOCK, MATCH WIDE BLADE PLUG TO WIDE SLOT, FULLY IN-
SERT.
Thislightingashwitharrowhead
symbol,withinanequilateraltriangle,
isintendedtoalerttheusetothepres-
enceofun-insulateddangerousvoltage
withintheproductsenclosurethatmay
beofsucientmagnitudetoconstitute
ariskofelectricshocktopersons.
Theexclamationpointwithinthe
equilateraltriangleisintendedtoalert
theusertothepresenceofimportant
operatingandmaintenance(servicing)
instructionsintheliterature
accompanyingsuppliance.
Thislightingashwitharrowhead
symbol,withinanequilateraltriangle,
isintendedtoalerttheusetothepres-
enceofun-insulateddangerousvoltage
withintheproductsenclosurethatmay
beofsucientmagnitudetoconstitute
ariskofelectricshocktopersons.
IMPORTANT SAFTEY INSTRUCTIONS
1.Readtheseinstructions.
2.Keeptheseinstructions.
3Readallwarnings.
4FollowallInstruction.
5.Donotusethisapparatusnearwater.
6.Cleanonlywithdrycloth.
7.Donotblockanyventilationopenings.Installinaccordancewiththemanufacturersinstructions.
8.Donotinstallnearheatsourcessuchasradiators,heatregisters,stoves,orotherapparatus(includingampliers)that
poduceheat.
9.Donotdefeatthesafetypurposeofthepolarizedorgroundingtypeplug.Apolarizedplughastwobladeswithone
widerthantheother.Agroundingtypeplughastwobladesandathirdgroundingprong.Iftheprovidedplugsdoesnot
tintoyouroutlet,consultanelectricianforreplacementoftheobsoleteoutlet.
10.Protectthepowercordfrombeingwalkedonorpinchedparticularlyattheplugs,conveniencereceptacles,andat
thepointwheretheyexitformtheappliance.
11.Onlyuseattachmentsoraccessoriesspeciedbythemanufacturer.
12.Unplugtheapparatusduringlightningstormsorwhenunusedforlongperiodsoftime.
13.Referallservicingtoqualiedpersonnel.Servicingisrequiredwhentheapparatushasbeendamagedinanyway,
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.
Introduction
TheOSDAudioMXSeriesMulti-ZoneAmpliersareidealforaddingadditionalpowerindistributedaudioapplicationsor
combining with home theater systems. The MX880 provides8channels,MX1280provides 12 channels and MX1680
provides16channelsofdigitalamplication.AllMXSeriesmodelsincorporatefeaturessuchasbridgemodeoperation,
global and independent zone triggering, audio sense circuitry with delay time per zone, two Bus Inputs/Outputs and
independentlineinputsperzonetomeetthewiderangeofaudioapplicationsandprojects.AllMXSeriesampliersarerated
at50wattsperchannelinto8ohmsand80wattsperchannelinto4ohms.WiththeStereo/BridgeswitchinBridgemode,
eachzoneofchannelsarecombinedforahigherpoweredmonooutputof160wattsinto8ohms.Withhighperformance
andultra-lowdistortionoutput,theMXseriesMulti-ZoneAmpliersprovideunmatchedsoundqualityforanyaudiosystem.
Thermal Protection
All MX series ampliers are designed with special circuitry to safeguard the amplier under a thermal overload
condition.Thermalprotectionmodewillonlyengagewhentheunithasbeenrunathighvolumeforextendedperiodsoftime
withoutadequateventilationand/orwhenspeakerimpedancesarebelowtheminimumlevelsfortheamplier.Inthermal
protectionmodetheamplierwillautomaticallystopoutput.Ifthisfaultoccurs,turnotheamplier,andcheckthatthe
speakerimpedanceratingisabovetheminimumrating.Alsocheckforadequateventilationaroundtheamplierandmake
adjustmentsifnecessary.Oncetheunithascooledtosageoperatingtemperatures,theampliermaybepoweredbackon.
Protection Circuitry
SpecialcircuitryhasbeendesignedintotheMXSeriesMulti-ZoneAmpliertosafeguardunderashort-circuitcondition.
Afaultyspeakercanalsocauseashortcircuitcondition.TheZoneLEDindicatorwillblinkrapidlybetweenredandblue.
If this fault condition occurs, turn o the amplier and check speakers for short circuit conditions when appropriate.
Installation
TheMXSeriesMulti-ZoneAmplierscanbeplacedonashelf,aspartofanequipmentrack,oronatableorcabinet.
During installation, keep in mind that the amplifers require proper clearances for ventilation and heat dissipation.
Theamplierwilltaketworackspaceswiththefeetremoved.
RISK OF ELECTRIC SHOCK
DO NOT OPEN
MX SERIES MULTI ZONE AMPLIFIER OWNER’S MANUAL
MX SERIES MULTI ZONE AMPLIFIER OWNER’S MANUAL
1. Power/Standby LED
ThisLEDlightsredwhenanyzoneisactiveorthe
amplierisinstandbymode.
Front Panel
2. Zone LED
Blue:thecorrespondingzoneispoweredon.
OFF:thecorrespondingzoneiso(standbymode).
Red/Blue:Ashortcircuithappensonthespeakeroutputs
Rear Panel
1. Bus 12VDC Trigger In/Out
TheBus12VDCTriggerInisusedtoactivateallzonesthatare
usingtheBusInputanddisablesotherzonetriggersorsignal
sensingonthosezoneswhenitisused.WhetheBus12VDC
Triggerisused,allBus-controlledzoneLEDswillbeblueandac-
tive.IftheBusTriggerInhas12Vappliedtoit,onlythe12VBus
TriggerOutwillhave12VandtheZoneTriggerOutputswillnot.
2. Bus Inputs/Outputs
TheBusLineInputsareoptionalinputsthatcanbeusedtocon-
nectasinglesourcetomultiplezones.TheBusLineOutputsare
passivepassthroughthecorrespondingoftheBusInputsand
canbeusedtodaisychainthesourcetootherampliersinthe
system.
3. Line/Bus Switch
SwitchesthezoneinputtotheLineInput,BusInput1or
BusInput2.
4. Line Input
TheLineaudioinputforeachzoneisadedicatedsensinginput
thatwillactivatethezonewhenanaudiosignalfromasourceis
present.
5. 12VDC Trigger In/Out (Each Zone)
TheZone12VTriggerInisusedtoactivateaspeciczone.
TheZoneTriggerOutcanbeusedtotriggerother12Vdevices.
Thedelayandaudiosensingarebypassedwhenthe12VZone
TriggerInputisused.WhenaZoneTriggerisactive,thezoneLED
willbeblue.IfnovoltageispresentintheZoneTrigger,theZone
LEDwillbeo.StandbyModeTheamplierwillgointoStandby
modewhenaudiosignalortriggerisnotpresentafter3munites.
6. Speaker Outputs
Theminimumspeakerimpedanceis4ohmsforStereoModeand
8ohmsforBridgeMode.
7. Stereo/Bridge Switch
SelectstheoutputmodeofeachzoneforstereoorBridge
operation.
8. Gain Controls
LeftandRightgaincontrolsforeachzoneadjustthesoundlevel
independently.OnlyusingLeftcontroltoadjustthesoundlevel
whenusedinBridgeMode.
9. Voltage Switch
AC115VorAC230Vdualvoltageselector.
10. AC Input
Applythecorrectvoltagebeforeoperatetheamplier.
Specications
Power Output:
80W/Channel,1KHzinto4Ohms,OneZoneDriven
50W/Channel,1KHzinto8Ohms,OneZoneDriven
160W,1KHzinto8ohms,Bridge
Amplier Channels:
MX880:8Channels,4Zones
MX1280:12Channels,6Zones
MX1680:16Channels,8Zones
Signal-to-NoiseRatio:>90dBA-weighted
Frequency Response:20Hzto20KHz+1.7/-1dBat1Woutputinto8Ohms
Input Sensitivity:600mVfor80W@1KHz4OhmOneZone
700mVfor50W@1KHz8OhmOneZone
Input Impedance:>22KOhmsLineInput
Trigger Inputs / Outputs:BusandZone@12VDC
Zone Line Input:LineIn,BusIn1,BusIn2selectswitchperzone
Bridge Mode:SelectStereoorBridgemodeperzone8Ohmonly
Speaker Connectors:Detachablespeakerterminalssupportupto14awgwire
Delay Time:Whenaudiosignalortriggerisnotpresentafter5munites.
Power Requirements (Switchable):
MX880: 100-120VAC60Hz600WMax
 220-240VAC50Hz600WMax
MX1280: 100-120VAC60Hz900WMax
 220-240VAC50Hz900WMax
MX1680: 100-120VAC60Hz1200WMax
 220-240VAC50Hz1200WMax
Fuse Rating:
MX880: 100-120V/T5A,250V
220-240V/T2.5A,250V
MX1280: 100-120V/T8A,250V
220-240V/T4A,250V
MX1680: 100-120V/T10A,250V
220-240V/T5A,250V
Dimensions (L x W x H):16.81”x16.14”x3.46”
Weight:
MX880:19lbs.
MX1280:20.5lbs.
MX1680:22.8lbs.
MX SERIES MULTI ZONE AMPLIFIER OWNER’S MANUAL
MX SERIES MULTI ZONE AMPLIFIER OWNER’S MANUAL
MULTI-ZONE
DIGITAL AMPLIFIER
MX SERIES
MULTI-ZONE
DIGITAL AMPLIFIER
MX SERIES
NERO LINK
System Conguration
MX SERIES MULTI ZONE AMPLIFIER OWNER’S MANUAL
Typical Mode
MXSeriesamplierscanbeconguredasthemainamplierforanaudiodistributionsystemorhometheatersystem.
Whenusedwithanaudiodistributionpreampormatrixprocessor,eachzonecanindependentlydriveoneofseveral
dierentsourcesbyusingeachzone’sindividuallineaudioinputs.Ifthespecifyzoneneedsahigherpower,pleasejust
useBridgedmode.
WhenMX1280orMX1680isworkingasahometheateramplier,theampliercouldsupportuptoa7.1or5.1surround
system,andrecommendusingtheBridgedmodetohavethehigheroutputs.
Bridged Mode
WhentheamplierisinBridgedModeoperation,asinglechannel(theleft)isusedtoprovideahigherpowermono
output.UseonechannelpairtoamplifytheleftchannelbyconnectingtheleftaudiosignaltotheLinputofachannel
pair,settingtheStereo/Bridgeswitchto“Bridge”andconnectingthespeakerasindicatedbelow.Useasecondchannel
pairfortherightchannelbyconnectingtherightaudiosignaltotheLinputofasecondchannelpair,settingtheStereo/
Bridgeswitchto”Bridge”andconnectingthespeakerasindicatedabove.Note:Thethreepositionswitchneedstobe
setto“LineIn”onbothzonesthatarewiredforBridgedMode.
Wiring Instructions - Bridged Mode
• Turnotheamplierandconnectan8-ohmminimumload.
• SettheStereo/BridgeswitchtoBridgedMode.
• FollowtheBridgemodemarkingsonthebackoftheamplier:
Connectthenegativelead(-)ofthespeakercabletotheR–terminal.
Connectthepositivelead(+)ofthespeakercabletotheL+terminal.
• ApplytheLineInfromaudiosourcetotheLeftLineInconnector.
• Powerontheamplier.
Bridge
Trigger
In Out
Vol.LeVol.Ri ght
Line
In
R L
Stereo
Br id ge
L+
L- R-R+
+ -
Line In
Bus In 2
Bus In 1
AC 115V~
Trigger
AC 230V~
In
In1
Out1
In2
Out2
Out
12 0V~6 0H z,12 00 W FUSE T 10AL ,2 50V
23 0V~5 0H z,12 00 W FUSE T 5AL,250 V
Bus
Bridge
Trigger
In Out
Vol.LeVol.Ri ght
Line
In
R L
Stereo
Br id ge
L+
L- R-R+
+ -
Line In
Bus In 2
Bus In 1
Bridge
Trigger
In Out
Vol.LeVol.Ri ght
Line
In
R L
Stereo
Br id ge
L+
L- R-R+
+ -
Line In
Bus In 2
Bus In 1
Bridge
Trigger
In Out
Vol.LeVol.Ri ght
Line
In
R L
Stereo
Br id ge
L+
L- R-R+
+ -
Line In
Bus In 2
Bus In 1
Bridge
Trigger
In Out
Vol.LeVol.Ri ght
Line
In
R L
Stereo
Br id ge
L+
L- R-R+
+ -
Line In
Bus In 2
Bus In 1
Bridge
Trigger
In Out
Vol.LeVol.Ri ght
Line
In
R L
Stereo
Br id ge
L+
L- R-R+
+ -
Line In
Bus In 2
Bus In 1
Bridge
Trigger
In Out
Vol.LeVol.Ri ght
Line
In
R L
Stereo
Br id ge
L+
L- R-R+
+ -
Line In
Bus In 2
Bus In 1
Bridge
Trigger
In Out
Vol.LeVol.Ri ght
Line
In
R L
Stereo
Br id ge
L+
L- R-R+
+ -
Line In
Bus In 2
Bus In 1
R L
ZONE 1
ZONE 2
ZONE 3
ZONE 4
ZONE 5
ZONE 6
ZONE 7
ZONE 8
NERO LINKNERO LINK
MX SERIES MULTI ZONE AMPLIFIER OWNER’S MANUAL
Source Source
OSDAudio|Brea,CA|osdaudio.com
OSDMXSeriesAmpliersManual.8/19
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OSD Audio MX880 Owner's manual

MX880
OSD Audio
Brand
OSD Audio
Model
MX880
Category
Supplementary music equipment
Type
Owner's manual
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