Studiomaster-16x4x2-mixer-sm维修电路原理图.pdf

RadioFans.CN 收音机爱 好者资料库 16x4x2MIXERAPPLICATIONS LIVE SOUNDREINFORCEMENT The extreme vera!My01the 1x4x2 provides a level of control moe than equal lodemandinglives,Iualions MULTITRACK Inte1acesperlectlywith4racktransportslorsupefbmuj-trackmas1ersas well aspalchingfac;liiesfor 2t,ackmix down THEATRICALPRODUCTION Thf fxib,Jtty,md expandlbl,tyof the 1$.4.2allow the theat,;,;:al user mo.a :haneroughoptionslordramaticandmusicalpresentaHons VIDEOPOSTPRODUCTION A superb unit for profesioalaudio results in both the commercIalfilm and ,deomediurns PERMANENTINST ALlATION/CHURCHESINSTITUTIONS Mult;leinpU!$ a,d outputs allow for selective signal distnbut.onfOtmats not usualtyk1,mdinordinarymixers Toc_oca:nfmal.ocepaare.;_ <ogl.ny.1hor;edde.lero<represen1a;vewo<i<1_ F,f.,.,.,tt,.S!udo,.ter,eof po master1h4x2mixer has been carefullydesignedtOf .ecordrlgas well as live pertormanC(!mIxing Ful1hef, this mIXer can be used lor slmunaneousrecordingot liH. performancesin addI00I110 ,emixingof mulh track master recordngs.ThismixerhastheflexbiltytomootvirtuaIlyanyuniqueaudiositualioounderthemost strenuousconditionsand providesuperb aud,ble results. The 16x4x2perfectlymatchesany4tracl(eoordIQ transportmaking this board perfectin both home and stud;o recordingenvironments Read this manual carefully and familiarizeyooellwlthhefeaturesandfurdionsbeforeoperatongWesugges1 atwayskeepingth,smanualwiththemxer. We at Studiomaslerare proudof our mixersand we believeyou will teequallyproudw;th you, purchase CONTENTS INPUTCHANNELS116 SUSGROUPCONTROlS1-4 AUXILIARYCONTROLSSECTION MASTERQUTPUTANDJ<:jXILLARY8E- TURNS SACKPANElFEATURES 16x4x2 MIXER APPLICATIONS 16.4x2LIVE SOUND REINFORCEMENT 16.4.2RECORDINGAND MIXING 16.4.2THEATRICALPRODUCTION 16x4.2VIDEO POST PRODUCTION PERMANENTINST ALLA TIONS SCHEMATIC TECHNICALSPECIFICATIQN 1-._ 1 c) BASS FREQUENCY BASSCUT BOOST AUX1(POST) AUX 2 PREPOSTSWITCH AUX3(PRE) SOLO ASSIGN SWITCH L- Pe Ireble controlnetworkis an <lctive sI1elving-typehigh pass filter lunct,oningfrom 10kHz,provid,nglor16dBboostorcut ThemidrangenetworkoonsistsOf <Icontinuouslyari able frequencycontrolwith a sweep of from 200Hz fa BkHz.Thisiscombinedwith<lseperategetwork oonsistsof a oontinuOlJslyar;able shelvingfrequencycotrolwith <Isweep oTfrom 25Hz to 350HzThis is combinedwilh a seperategai control provid,ng16dBboostorcutonallfrequerICiO!Sbelowthe chosencutollpoinl ThlsswilchailowstEtusscontrailowstorbuSSlngolapOstTatIr$igoalto rhe Au,iiiary1 maste,section,Post fadersendsare comn1Of1iyuseo and orIt- erbdces (postEa.) 9 PAN CONTROL ThEt rotary postfaderpanconlroldetermonesthEtleft-lo- right balancEtotthEtsignal ooing sEtnt to the outpulbus- sesll1hechannelsigrlalissentt01hesubgroupS(I-4j, thEtoddgroupsarelEtftwhHethEtevenarrighl SOLO Theoswitchallowsthechannlsignaltob6bus:;ed atapretaderlevEtilothEtMontoroutputThissignalca be used in a preiewQcueingapplication.This signal automaticallya;JpearsonLEDladder#4 LEFT-RIGHTMASTERASSIGNMEr,;r This swilchallOws for bussirlg Ihe pOst pan slgMbd;- rectlytothEtletlaodghtmasleroutputsectio,s.bypas- sing the subgroIJPS. This sigrlal may be used tor posl productionovedubblngonrecordiogsTdosOfforroul- ingofsinglesignalstotheprogramOIJtputs:nlive;-er- formance<lpphcations SUB GROUPASSIGNMENT ThEtIQursubgroupswilchesallowlorbussingthechar1- ne1sign<lls to any combination01su!Jgroupss,mutlan-e ouslySubgroupingisprovidedformu;trackrecor(j;ng or for sub mixing signals goups.suCh as drums. during IivesoundrEtinforcEtmenl LEDQVERLOAOINOICATOR ThEtinsetLEDne<ttolhEtchanoolfaoorprOVJdesaV1SU- al indicalionolthEtchanr,!ssigMIstatusThe LEDfwes eratOfIOIII<5;)OS1anc E.C CHANNELFADER The100nvncna.,.,.,faoo,POdlcatans ) SOLOASSIGN 1kHz SLATE SUBGROUPFADER c.) 2T TO MONITORASSIGN TB TO AUX 3 ASSIGN TALKBACK AUX 1AuX 2AUX 3 MASTERSENDS Eao:hI,IbllrOl,lP,onsitllsolthefollowingleatl,lresUslrumthe line iIlput jacks on input channelsJIffi :YectIytothe monltorootputs.This allows monito-rfng1,t ftc1ry signal prior to remimg or eftects additioo Oflor -tapemooitonng MONITOR CONTROL emonitore:ontrotbussesthesubgroupoutputtothe ,md right master outputs,Addltionall,the signal is :.:ssedc!ectlyto the monitoroutput jacks Iocaledon Iw!rearpaneLTheleft.rightbalanc;eisrontrolledbyttJe subgroup pan control (see below) AUX3 1-l!subgroupsignalcanbabussedtotheAux3master viathssendoontroI.Thesignalismonauraland postsubgroup!ader AUXILIARY1,1nglnthec!lClfcuit,This;n(licatesthesignal is visuallypresent rr-.etef4an(laudlblyavailableallhemoniloroulpUl ZTMONITOR allows bussing ot the incomir)Q 2lracl< signal (Irom r.e2track retl,lrn jackslto the monitoroutputs. Thsal- Cws tor playbad< monitoring01remixed tapes, tNJS re- -.:edtapescan be comparedin e.therdryor et 5:atetorfinaloverdubbing PAN CONTROL The pan controldeterminestl1e lefl-to-rightbalanooot the SUbgfOUP signal bussedto the moniloroutplltand tnemasteroutputs SOLO SWITCH The soloswitcl1sendsthe subgroopsignalto t!1emoni toroutputdirectfy,bypassingthe moniOf send and pan control The subgroupfader is a 100mmcontrolprovidedw;th dB calibrationslor aCCllrate relativesignalindication This ctterminesthe final signallevel availableat the subgroupootputjack as well as to all post tadersub- groupbusses SLATE(Ient, slatIng tapesandsystemcheck-outintiesoundreinloement applicatIons TALKBACKVOLUMEANO ROUTiNGSWITCH ThetalkbackvolumeOO1troldeterminestr.elevelolar.y micsignalwith,nthess.Acresssviatle)(LRjput ontherear panel (see rear paael teatures).Tharo.obr)Q switchisamomentarypushbuttonopeningtneta!ack circuitacresstotheAux3bussoolpUl.Thosallowst:OfTr municationsto the stage monitoringsys1em dIn1g soundleintorcementortotnetoldbacks recordingThetalkbad<cirruil.V18Aw:3.mayallCOJsSed totneleftl00V,120V, 220V and 240V. Tho volle squt.reinsertar!dluming!heil1seJI!i:theor,;rvoi- tage is afigrwsdwllhthe arrOll Olr.eg,1a;Jeroflhe holder.The AC is introducd.-; Slar,dn;lEG co- nector.TheACfu,aT2AtypC,i$lQcal,wellplam1ed layoutof chanr,eldedich are to be routed lothesamesubgroupsmaybeaced,nadjacenlchan nels.however,any criticalinputsto be routedto that subgroupmaybeisolatednear the subs and maslers tofacilitateeasierchar1ges Forstartngpufposcs,mclevelsig. alsshouldhavea ga,n setb. gof 30 with no p.ad and e.q. Ila1. Line level in putsshouldbeini1iallysetat20withnopadande.qllat EQ.SE!Iings may De iMlallypertormedby rou!,ngthe inpulto1haheadphonesvia!l1esolobuss.Properm,x onglech . iques shouldlesultin the channeltader talhng betwee .5a . d20o.thescale,al1houghnolallsignals aresoobhgi. g Whe .fonahz,ngthegainandEQ.se!tingS,keepinmirtd the Overload i. dicalorfiresat4dS priortocl,pping,thus it is oftennormaltor theLED10 lirei. a sporadic, mome . tarymanner,True overloadand dis!ortionis in dicatedbyastrong,contlnllOusoncondolion. AUXILIARYSUSSING During live performancesit is oflen nocessaryto assign variousinput signalsto mul1iple accesspoints 01bus ses.ForthSreaso . , the 16.4x2hasbeendesigned wl!h.2 pnmarybusses(ProgramLett and Right), 4 sub groupbusses(1,.2,3artd4)and3auxiliarybusses(Au 1,.2and3) as well as channelpatch points. This allows theoperatorachok:eof10distlibutonOIJtesfOla. yin comigsignal.lnmayapplicationsilmayberequifed toaddexler. aleectsorco. trolS,suchaSOCho,delay orlimiog,10speciticinpuls. Addiionallyitis oflen a re quiremenlfor the on stage lalentto have a refelence sgnalormonrtor.lfthemonrtorSlgnalrequirementsare slmple,as,nglesernlmaybeadequatea. dca .begen eraedby routingthe necessarysignalsvia the au3 buss.lfa more complexmonitor mix is required. the aux 2 send may be assig . ed a pre-faderstatus and a sec ond,independilntmonitorsig. algeneraled Perhapso. e of the moSI crilicalfactorsof high quality hvepertorma. ce rei. forcemenlis the addlton and mIX i. g ofe.ternalsignalprocessongdevicessuch as re verbs.delays,compressors.etc.TheSludiomaster 16x4x2isdesig. edI0;. terfacewilhvirtuallyalfsuchde vices capableof usingline level;nputsand supplying tine level outputs(Note:Someelfectsdevicesare de s;gnedloruse. ithhighimpedanceinpuls;gijals,such as guitarsand ge . e,aleahigh impedanceoutpulsig na.!Suchunitsaleoot directlycompatiblewiththe 16.4.2unlessimpedaocematchingdevioosareused on the input and outputsignals.)For etfectswhich are 10beusedonmu!pleinputsignals,e,greverbonvoorbytaking thelineootofthesubgrou.pstOdrivetheextemaldevice and retumiogthe signalsto Ihe programmas!ers.This lattermethodisespecialfyeflectlVeon$lgnalgroupsre- quiringcompreSsonandorlevellimiting Someincomingsignalsmayrequirespecialeffects which are nol requiredor des,rableon any o!her sgnal Xampswobellangingon a keyboard,ahar. mcnizeron a guitar or limiting on a snare or bassdrUfTI These types o! effects can bellSedb;patch,ngIhe pro- 1,/:r:r: i :aok.ti:ac: nectOf as the outpulsend,thering connectoras the input retumand tMsleeveconnectoras the common shielclfo<both linesMatingcord assembliasmaybe purchasedorconstructedbytheuSr.(Notell!heneed arises to route an input signal Iromthechannalwitho<Jt intarruptlngthenormalsigMltlowlt1roughlhemixe<, the mating piu wired as above must have a jumper wire added betweenthe tip and ring oonnectors.When using this!ypof passiveslgMIspirt arrangement,care must be takento avoide.cessiveoontrolchangesIn either the channeltader 01post tader controlsor thoS on the device led by the Spilt signal. Since there is no isolation controlvariatoonsmade at either end of the signal path mayaflec1theothe.-side.) liveSound reinforcementmi1ingoltenlSaneasiertask s,milartypesoflnputsaregroutogetherarxlOOr)- trolled as a singlesgnalExamplesof Ihis type ot use wouldbemicrophonesusedondrumklts,harmonyandi orbackgroundvocalmlcsandmul1plekeyboardlnputs ,/As variOuS iI1putsaretoutedto a subgroup,iI1drvioual channellevelscan be set so as to providea proper blendandbalance. rthinlhesubgroupmi.,t,torexam ple,theleve!otthedrumsneedstoberaisedorloweled relative to the overall pregramlevel. Ihe subgroop!adef can be e-postlonedwithouldes!royingthe balance Th,s stili alLows lorindrvidualchannetswithin the grOJp to be taisedor lowere<! as necessaryas that channel signalstrengthwill changein the sub as well as the maS1er. Anotheradvantageot sub-masteflngOt group- ingistheabilltytoaudlblyplacethesubgroupsignalrel- ativetolhemaslerleIHo-rightbaance.Thisisaccom plishedviathesubglooppancontrol,whicha1lowsthe englneertosweepthesubgroupsendloreflect.Bywey of an example,a par1icular drum passageor solo may be pennedtofoUowIhe movemer1totthedtummerwith- out havingto amendor alterthe setngs01 the iOO,- v;duatinpesignalffowtolhemesters,or: 2.Theneedtoassignthesubgroupsignaltothe masters Thisfle,bihtyaitowstheusertoaddeflectstoatotalsub group or to conlrol1he tevel externatiybyWilY ofalimi- ter. In bothinstances,the subgoupOulpu1 wouldbe broughtbackintothemixerthtougheitherotthetwoaux returnnetworksafter oolngprocessedby the exlernaJ device MASTEROUTPUTSlEFTAND RIGHT The chiet tunchonotthe master outputsistodetermme and oontrol the overatlfinal ou!putlevels.Additionally the16x412mastersare provide<!witha threeband equalizationnetwolktormaking adjustmentsin the slg nattonality,Wh1telhisE.Q.is nol designedto ehminate theuseofe.terMlmulti-bandequalizersinthoseouldbenotedthat white Stl.ldiomaster-doesnot produceexlernalequalizaton etworks,we believemanysoundsystemsWQuld be vastlyimprove.alyzer Many tt;gh quaLity equalizersand RTAslire aVcationsforvarious appications;you.illundoutedlyarrivealdifferenlar- rangementswhicnrnaysuityulJrparbcularneedsmore effeclive!y.Keep in mirdsignallevel,equalizationand bu,singareasirnportanltotheapplicalionaslhep<oper cO,neternalet1ects devk:esasshownoninpulschannels3.9.10and11 Tllisallowstileengineerto isoatespooflcetfectsto snglecharlnelswhileallowngbussng.Vla8UX1 and 2.ofa!1ych8!1relstoadditi08Ie<temalelfecfs8sillus (ated.Additiorlally.aux1aod2retumsmaybebussed toa!1Y sutlgroupallowingIU!herblending01 Weror dry sigrlals or the selectlQf1ofonelnplaoo Of :he o1her lor:;pec,llcprogramportiOl1s - l In!t1islargerlivesystem,additionalinpulchannelpalct1- iog Osutilized and speci!,c subgroup assignmenlsbe come morecribcaleveolhoughthechaonelulilization is thesameastheprevIOUS eample,Signficant cI1anges are obv,ous in the oulput area,indical,ngan enti,ely different approach to tne input oulput matrix as weilasoutput!unction SIDE FILL SYSTEM Prima)and seconda)progams918s are derived tomlheprogamarnl 2 track outputs, fu,lling a need loradditional!illsignals Thelhreeseperate, irJdependentlyconlrolled0100110 signalsarederivedjromaux2and3aswellaslrom 2 TRACK TAPE fORPRE POST SIiOWSVSTEM CHECK subgroup2. Si. ee differentre!eencematerialsare . eededineaeh,Msignmentisdoneviathechannoelaux sendcontrolsaridbysubgroupassig. ment Au.1isdedicaledtoadigi!aldelaywhiehmaybel!Sed 0 instrumentsandof vocals, while subgroup4,con- !ai. ingonlythevocals!eedstoane.temalevero.hich ORUM (MICS) is bussed,v,athe retum networl<. direct!y to the master outpu1sectio . Itdeslred,a2 track tape machine can be added, 3S shown.forpfeostsystemcheckoutaswellasinter missn!illmate,ial Fo multi-lrackrecordingthe basic inpul set;pissimilar 10that used for live sound. The pnmaryd,fferenceISirl Ihe buss assignments,asthesubgroupsare now used asmastersfo;ndividualtracks.thusanys,gnaldesired ontrackol1wOuldbeassigne:1orllylOsubgroup#1with Ihechannelpanturnedalltheaycounlerclockwiseor let:. The sameappliestoanysignalasgnedonly to trac.k3v;asubgmup:3whiles<gnalstosubgroopsad jacks2arnl4wouldbapannedhardrightofclocKwse Foldbacksignalstorthe periormefSmay be generated in ay of 3 ways. LrvelQldbackmaybederivedusingthe au3semi on each inpu! desiredin the foldbacksys- I lem.The same methodCd pfotheactualrlCOrd.ngbyuSlngthelkHzslatetone as an ahgnmentreterelCe. Thi$toJlecan also be used to recorda slatesfgJlal to ease feloca!ion01 va,ious startingpoiJl!sonlheaclualmul-tracmastertape 4 TAACKTO 2TAACK Itthemastertapeisa4t,ack. e output from the Ifans port shouldbe broughtbacto Ihe hne inpuls01chan- ns13,14,15and16. Thesed1annelsshouldbe routedlotheflaJldnghtprogrammaslers,bypass.ng allsubg(oups.TI1etlo1racmastlfcanbere-miedto eit,a 10dBmtelel using the 2 traclineouljacsor a+4dBmlelelusingthepo-ogfamXLRoutputs Playhackof the finis.ed 2 track maste,can be accom plishedvialhe21ackl.neinjackswhichmatchlheoul pulof-10dBmtransportsorthroughtheaux1and2re lumjackswhich will accepl a + 4dBm level. The 2 tracle re-routedto the subgroupsor the mastefs.EI1hemethcdallowsaccessinr;thesignalsfor p;aybacklistenlng eOR16TRACKTO 2TRACK Whenmultilracmasfersofelther80r16tackSarelo teemixedt02traCk,theoutputsfromtMtapetraM portshouldbeCQnnoctedI0thelineinputsoltnput channelsTheseinputs may, ,nlum,be rouleddirectly to the programoutputs,as in the aboveexample,Of maybe submixedusingthe louIsubgroupsas d,s- cussediI1Ihe previoussectionon five sound rein!orce mentuseAnysignalorsigMlsroutedlOlhesubgroups couldthenbebussedlOlhehnaloulputsvialhemonllor sendandpancontrols One of the mosfuniquefealuresottheStudiomasfer 16x4x2is the <lbility to immediately<e