Midas xl200电路图.pdf

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1、aIM4JQCIVioiDpdfty TOUCHMOREACCESSIBLE RadioFans.CN 收音机爱 好者资料库 MIDASXL200 LIVEPERFORMANCECONSOLE Contents Introduction MidasXL201InputModule 1 MidasXL202StereoInputModule 5 MidasXL203InputFader 9 MidasXL211StereoGroupModule 11 MidasXL241MonoGroupModule 15 MidasXL213VGAFader 1 7 MidasXL251AuxMasters1

2、-4andAutomute 21 MidasXL252Aux/Masters5-8Module 25 MidasXL221MasterandCommsModule 29 MidasXL200Metering 33 MidasXL200RearPanel RadioFans.CN 收音机爱 好者资料库 IntroductiontotheXL200 Historically,Midasmixingconsoleswerealwaysconsideredashighquality,highcost productswhichmostPAcompaniescouldnotafford -butalla

3、spiredto.The introductionoftheXL3eonsolein1993wasamilestoneforMidas,asitmarkedthe launchofaMidasproductthatallowedengineerstoenjoythesamehighsoundand buildquality,butatafraetionofthecost. WiththeXL4andXL3consolesintheMidasproductrange,theintroductionofthe XL200isyetanotherbreakthroughforpriceversusp

4、erformance.Thedesigncriteria wastodevelopamidprieedmixingconsole,whilemaintainingtheoutstandingsound qualityandsonicperformance.Frameconstructiontechniquesareadeparturefrom traditionalMidasdesign,asverylittlewiringispresentintheframewithallinputand insertconnectorsintegraltoeach module.Theadditionof

5、efficient,ergonomicand tactilecontrolfeaturesalsoallowsustousethemostcosteffectivemanufacturing methods -theresult isanoutstandingmidpricedconsolethatbringstheMidasdream withinreach.TheMidasXL200atouchmoreaccessible. RadioFans.CN 收音机爱 好者资料库 29Output Meters13x8Matrix8AuxMasters Positionfor6Blank TwoS

6、tereoModules InputChannelsforexpansion asstandard 24InputChannelseachwith directoutput,4band parametrice/q,8auxstereo, 6monogroups,2stereo groups.StereoMasters,and MonoMaster 24InputFaders andVCARouting 8VCA Master Faders 16Input Channels As1-24 16InputFaders andVCARouting MidasXL200Features MicInpu

7、ts. TheXL200featuresastateoftheartAnalogueDevicesmicamplifierwhich assureslowdistortionandexcellentamplifierstability,RFrejectionandnoise performance. Lineinputs. AseparateHiZlineinputisincorporatedwhich isidealforplaybackofrecorded material. DirectOutputs. Everyinputmoduleisfittedwithadirectoutputa

8、sstandardmakingmulti-track recordingasimpletask. Equaliser. ThesonicperformanceofthelegendaryMidasequaliserismaintainedincluding parametricmidswithsweepablefrequencyandswitched Q.Thetrebleandbass sectionshavethetraditionalMidaswidefrequencyrangeshelving characteristic. Inserts. Eachchannelhasahalfno

9、rmalisedfullybalancedinsertsendandreturnpointwhich canbeswitchedinoroutfromthefrontpanelandsetaseitherpreorpost equaliser. Inputmetering. Thesepeakreadingmeterscovera30dBrangein3dBstepsandmonitorpre fader signals. Audiobusses. Eachchannelcanberoutedtoanycombinationof21audiobussescomprisingof8 auxs,6

10、monogroups,2stereogroups2stereomastersand 1monomaster.All switchableonthemodulefrontpanel. VGAandmutebusses. Eachchannelcanbecontrolledby anycombinationofthe8VGAmasterfadersand 8mutemasters.Assignmentofthesebussesisagainswitchableon themodulefront panel.Mutesmayalsobecontrolledbytheoptionalautomatio

11、nsystem.Asafe switchdisconnectsthechannelfromallmutegroups. Audiogroups. Themainaudiogroupsmayalsobeassignedtoanyofthe8automutegroups.A safe switchisagainincludedforeachgroup.Theinputforthegroups isderivedfromthe 10groupbusses. Master. Themastermoduleprovidesthemainleft,rightandmonoconsoleoutputs.As

12、olo to masterfacilityisincorporatedontheleftandrightoutputstoaidtheengineerat soundchecks. Matrix. The8matrixoutputsareapartofthegroupmodules,andderivetheirsignalsfrom the6monoaudiogroups,2stereogroups,leftandrightmastersandmonomaster, creatinga 13x8matrix. Outputmeters. 32peakreadingledbargraphmete

13、rs(eachcoveringa60dBrangein3dB steps)are usedtomonitorallthegroupoutputsi.e.6monogroups,2stereogroups,8 matrix, and8auxiliary.3VUmetersareusedfortheleft,right,andmonooutputs.Theyalso automaticallymonitortheleft,right,andmonosolofunctions. TheOptionalMidiAutomation. TheMidiautomationsystemprovides10m

14、utegroups,128snapshotsofmute settingsandasolo-in-placemodewhichcanbe usedalongsidetheconventional PLF/AFLsystem. XL200SpecificationOverviewandStatistics. 1 . TheXL200isa24audiobussconsolewithanadditional13x8outputmatrixThe bussesareasfollows: 8monoauxgroups=8 6monoaudiosubgroups =6 2stereoaudiosub g

15、roups =4 1stereomaster =2 1monomaster = 1 1stereoSolo =2 1monoSolo = 1 2.TheXL200has8automutegroups,and8inputchannelVGAsubgroupswhich includeVGAsubgroupmuting. 3.TheXL200haseither40,32,24,or16inputchannelswithseparatelineandmic inputs. 4.The40inputXL200has atotalXLRinputcountof71asfollows: 40channel

16、micinputs 8auxbusinjectinputs 10audiogroupbusinjectinputs 8matrixbusinjectinputs 2masterbusinjectinputs 1commsinput 1talkmicinput 1solo 5.TheXL200hasatotalXLRoutputcount of32asfollows: 8auxoutputs 10audiogroupoutputs 8matrixoutputs 3masteroutputs 2localoutputs 1talkoutput 6.The40inputXL200hasatotalo

17、f40balancedjacklineinputs. 7.The40inputXL200hasatotalof40balancedjackdirectoutputs. 8.The40inputXL200hasatotalof122balancedjacksforinserts,(arrangedpairs) asfollows: 40inputchannelinsertssends 40inputchannelinsertsreturns 10audiogroupinsertssends 10audiogroupinsertsreturns 8matrixinsertsends 8matrix

18、returns 3matrixinsertsends 3matrixinsertreturns 9.TheXL200hasapeakprogrammeterswith10LEDsegmentsforeachinputand 20LEDsegmentmetersforeachoutput. 10.XL200configurations XL200-44 XL200-36 XL200-28 XL200-20 40monoinputs/2stereoinputs/6blankmodules 32monoinputs/2stereoinputs/6blankmodules 24monoinputs/2

19、stereoinputs/6blankmodules 16monoinputs/2stereoinputs/6blankmodules XL200-24compact XL200-16compact XL200-32extender XL200-24extender XL200-16extender 24modulepositionsonly 16modulepositionsonly 32monoorstereoinputs 24monoorstereoinputs 16monoorstereoinputs 11.XL200dimensionsandweights DimensionsWid

20、th1986mm(XL200-44) 1736mm(XL200-36) 1486mm(XL200-28) 1236mm(XL200-20) 1236mm(XL200-24compact) 986mm(XL200-16compact) 1236mm(XL200-32extender) 986mm(XL200-24extender) 674mm(XL200-16extender) Depth1020mm(allconsoles) Height375mm(allconsoles) Nettweight Shippingweight 129kg/2851b(XL200-44) 301kg/6651b(

21、XL200-44) XL200TechnicalSpecification. InputImpedanceMic2KBalanced Line20KBalanced InputGain ( allfadersatOdB ) MicContinuouslyvariablefrom +6dBto+60dB Mic+PadContinuouslyvariablefrom -14dBto+40dB Channel LineInput Continuouslyvariablefrom -lOdBto+20dB AllotherLineInputsOdB MaximumInputLevelMic+15dB

22、u Mic+Pad+35dBu ChannelLineInput+26dBu AllotherLineInputs+21dBu CMRatIKHzMic (gain+60dB) 70dB Mic+Pad ( gain+40dB ) 50dB FrequencyResponse (20to20KHz) MictoMix ( gain+60dB ) +OdBtoIdB LinetoMix+OdBtoIdB Noise (20to20Khz) MicBINref150Ohms ( gain+60dB ) -128dBu LineBINref150Ohms ( gain+lOdB ) -lOOdBu

23、SystemNoise (20 to20KHz ) SummingNoise ( 12channelsrouted withfadersdown ) -86dB LinetoMixNoise (12channelsrouted atOdBmpancentre ) -81dB SummingNoise DistortionatIKHz Crosstalkat1KHz OutputImpedance MaximumOutputLevel NominalSignalLevel Headroomatallstages (4Xchannelsrouted withfadersdown ) -80dB L

24、inetoMixNoise (48channelsrouted atOdB,pancentre ) -75dB MictoMix (+60dB gain,OdBuoutput ) 003% LinetoMix (OdBu) 0.03% ChanneltoChannel -lOOdB MixtoMix -90dB ChanneltoMix 90dB AllLineOutputs75OhmsBalancedSourceto drive600Ohms HeadphonesTodrive8OhmsUnbalanced Comms(Bi directional ) 600OhmsNominalUnbal

25、anced AllLineOutputs+21dBu Headphones+21dBu (8W into8Ohms ) Comms (Bi directional ) -lOdBu Mic -60dButo+14dBu Channel LineInputs -20dButo6dBu AllotherLine InputsandOutputsOdBu Headphones+lOdBu Comms -20dBu Commsand TalkMic -50dButo20dBu Comms,Talk andHeadphonelOdB Allothersignals20dB InputMetering E

26、qualiser Type Range ColourGreen ColourYellow ColourRed Hipassslope Hipassfrequency TrebleGain TrebleShelvingFreq. HiMidGain HiMidFreq. HiMidBandwidth LoMidGain LoMidFreq. LoMidBandwidth BassGain BassShelvingFreq. 10ledpeakreading -25dButo+12dBu Upto+3dBuNormalsignal +6dButo+9dBuHighsignal +12dBuSign

27、alTooHigh 12dB/Oct. Continuouslyvariable -3dBpointfrom20Hzto400Hz Continuouslyvariable +15dBto -15dB Centredetent=OdB Continuouslyvariable -3dBpointfrom2Kto20K Continuouslyvariable +15dBto -15dB Centredetent=OdB Continuouslyvariable centrefrom400Hzto8K Switchable0.5Oct and1.0Oct. Continuouslyvariabl

28、e +15dBto -15dB Centredetent=OdB Continuouslyvariable centrefromlOOHzto2K Switchable0.5Octand1.0Oct. Continuouslyvariable +15dBto-15dB Centredetent=OdB Continuouslyvariable -3dBpointfrom20Hzto200Hz MIDASXL201 InputModule Provides48voltphantom powerforacondenser microphone,orDIbox. Optionalbalancingt

29、ransformers maybefittedontheMicinput. ThePHASEREVERSEswitch invertsthephaseofthe selectedinput,MicorLine,to allowcompensationfor differentwiringstandards. EQUALISERTheXL2()() Equaliserisafour-banddesign havingsweepfrequency adjustment.Eachbandconsists oftwodual-concentricpots. Theupperpotisthegain a

30、djustment,thelowercontrol beingthefrequency adjustment.Thetwomid-range sectionseachhavea switch-selectablebandwidth. HIGHPASSFILTER CONTROLThefrequency rangeofthefilteris2()Hzto 400Hz.continuouslyvariable. INSERTIn/OutTheswitchINS connectsanyoutboard processorviatheinsertsend andreturnconnectorsinto

31、 circuit.TheInsertpointis normallylocatedbeforetheEQ section,butaswitchlocatedon themodulepeballowsthe insert tobepost-EQ. -20dB(PAD)Switchingin-20 insertsa20dBattenuatorin circuitwiththemicrophone input.Thismaybeusedwhen high-outputmicrophonesarc employed,ortoenabletheuse ofthemicinputforline-level

32、 signals. GAINThegaincontrolisa widerangerotary potentiometer,andisactiveon bothMicandLineInputs.On Mic,thegaincanbeadjusted from6dBto60dB.ForLine inputs,theadjustmentisfrom -lOdBto+20dB. LINETheLINEswitchselects thesignalonthelineinput sockettofeedthechannelpath whenitisdown.Inthiscase, theMicsigna

33、lisdisconnected. TheledilluminateswhenLine isselected. HEShelvingsection,providing -i-/-15dBofgainwith an adjustablefrequencyrangeof 2kHzto2()kHz. HIMIDPeakingsection, providing +!-15dBofgain, atfrequenciesfrom4()0Hzto 8kHz. BANDWIDTHSelectsthe bandwidthtobe1.4(1Oct)or 2.9.Thebandwidthis2.9(0.5 Oct)

34、whentheswitchisinthe downposition. LO MIDPeakingsection, providing+!-15dBofgain, atfrequenciesfromlOOHzto 2kHz. LFShelvingsection,providing +!-15dBofgainwith an adjustablefrequencyrangeof 20Hzto200Hz. EQINTheEQswitchinserts theequaliserintocircuit.When switchedout,theequaliseris totallybypassed,keep

35、ingthe signalpathtoaminimum. Theledintheswitch illuminateswhentheEQisin eircuit. ) PRESelectseachauxiliarysend tobeprechannelfader.ONEnableseachauxiliaryto sendviaitsrotarycontrol ROUTINGandstatus. AUXIEIARIESTheXE200 haseightauxiliarybuses, accessedontheInputmodule from8independantrotary controls.

36、MIXRoutesthepost-fade, post-panehannelsignaltothe mainstereomixbus,withled indication.ThePANcontrolis automaticallyinsertedinto circuit. AUTOMUTEROUTING Switches1-8enableaninput channeltobe assignedtoanyor alloftheautomutescenes controlledfromthemaster sceneswitchesontheauxiliary sendmastermodule. M

37、UTEThisswitchmutesan inputchannelsothatall functionsaremuted. SOLOTheSOLObuttonfeeds aPre-faderorpost-fadersignal (asselectedonthemaster modulePPLorAPE)tothe Monitorsection(loudspeakers orheadphones),replacingthe selectedmonitorsourceifone isselected.Themainstereo outputoftheconsoleisnot affectedunl

38、essSIP (Solo-in-place)modehasbeen selectedonthemaster.The yellowledintheSOLOswitch willHashwhentheSOLO functionisactive. SOLOsignalsfromdilTcrenlsources thatareactivesimultaneouslyinthe non-inteiiockedmodewillbe sLimmed.TolatchtheSOLOfunction, pressthebuttonqtiicklyandrelease. Tounlateh.repeat.ToSOL

39、Oasigntil momentarily,holddowntheCLIH buttonforatleastIsecond.On release,theCUEwillalsobereleased. SeethesectiononTHESOLO StSTEMforfullfunctionaldetails. AUDIOGROUPASSIGNS Switches1-6routeaninput channeltoanyofthesixmono audiosubgroups.Switches STAandSTBrouteaninput channeltoeitherofthestereo audios

40、ubgroups. MONORoutesthepost-fade, post-panchannelsignaltothe mainmonomixbus,withled indication. ONWhenthisbuttonis pressed,thePANcontrolis automaticallyinsertedinto circuitacrosstheselected buses,allowingthesignaltobe positionedinthestereoimage. WhenPANissettocentre, equallevelsaresenttoboth buses,w

41、itha3dBdroprelative tofullyclockwiseor anti-clockwise.Settingthe PANcontrolfullyanticlockwise sendsfullleveltotheLeftbus. cuttingthesendtotheRight bus;fullyclockwiserotation sendsfullleveltotheRight bus.cuttingthefeedtoLeft. MUTESALEPreventsthe MuteGroup(orscenepreset) masterfrom mutingthe channel,a

42、ndmaybeusedto locallyoverridemuted channels. METERThetensegmentled meterisfed prefadeatall times. 4 MIDASXL202 StereoInput Module Provides48voltphantom powerforacondenser microphone,orDIbox. ThePHASEREVERSEswitch invertsthephaseoftheleft channelonlytoallow compensationfordifferent wiringstandards,or

43、anomalies betweenstereoinputs. ERswitches.Intheirout position,themoduleacts asa stereomodulewithboth channelsbeingseparate.TheL switchassignsleftinputtoboth channels,Rassignsrightinput tobothchannels.Withboth switchesenabled,leftandright inputsaremono. EQUALISER.TheXL200 StereoEqualiserisathreeband

44、design,havingfixedfrequency shelvingfortrebleandbass. The midbandissweepablewith rangeandbandwidthswitching. HIGHPASSPIETER CONTROL.Thefrequency rangeofthefilteris20Hzto 400Hz,continuouslyvariable. HIGHPASSPIETERSWITCH. Enablesthehighpassfilter section. treble GAIN.Thegaincontrolisa widerangerotary

45、potentiometer.Thegaincanbe adjustedfrom6dBto60dB. LINE.Thelineswitchplacesa 20dBpadinbothinputs,giving againrangeof -14to-i-40dB. TheLEDilluminateswhen LINEisselected. TREBLEshelvingsection, providing-i-/-15dBofgainat 12kHz. MIDPREQUENCY.Sweepable fromlOOHzto2kHz. MID.Peakingsection, providing+1-15d

46、Bofgain. X4.Usedinconjunctionwith MIDPREQUENCY,changes sweepablerangeto400Hz - 8kHz. Bassshelvingsection, providing-i-/-15dBofgainat 80Hz. EQ.TheEQswitchesinsertthe equaliserintoeitherleft,right orbothchannels.TheLEDs illuminateifeitherorbothare selected. INSERTIn/Out.Theswitch INSconnectsanyoutboar

47、d processorviatheinsertsend andreturnconnectorsintothe respectiveleft&rightcircuits. Theinsertpointsarenormally locatedbeforetheEQsection, butaswitchlocatedonthe modulepcballowstheinsertto bepostEQ. 6 PRE.Selectseachauxiliary sendtobeprechannelfader. ON.Enableseachauxiliaryto sendviaitsrotarycontrol

48、with statusLED. AUXILIARIES.TheXL200 haseightauxiliarybuses.The feedsforauxes1to4are derivedfromasummedmono signalofleftandright.The feedsforauxes5to8 are selectablebetweensummed monoandlevel/panfunctions. ST.TheSTswitchwhen depressed,makesauxes5-6and 7-8stereopairsinsteadof discretesends.6and8becom

49、e thelevelcontrolsfor5-6or7-8. thus5and7becomethe balancecontrolsfor5-6or7-8. 7 MIX.Routesthepostfade,post panchannelsignalstothemain stereomixbuswithLED indication. AUTOMUTEROUTING. Switches1-8enableaninput channeltobeassignedtoanyor alloftheautomutescenes controlledfromthemaster sceneswitchesontheauxiliary sendmastermodule. MUTE.Thisswitchmutesan inputchannelsothatall functionsaremuted. SOLO.TheSOLObuttonfeeds pre-faderorpost-fadersignals (asselectedonthemaster modulePELorAFL)tothe monitorsection(loudspeakers orheadphones),replacingthe .selectedmonitorsourceifone issele