下载
加入VIP
  • 专属下载特权
  • 现金文档折扣购买
  • VIP免费专区
  • 千万文档免费下载

上传资料

关闭

关闭

关闭

封号提示

内容

首页 电吉他音箱简介(Introduction to electric guitar speakers…

电吉他音箱简介(Introduction to electric guitar speakers).doc

电吉他音箱简介(Introduction to electri…

李胜日
2018-05-01 0人阅读 举报 0 0 暂无简介

简介:本文档为《电吉他音箱简介(Introduction to electric guitar speakers)doc》,可适用于社会民生领域

电吉他音箱简介(Introductiontoelectricguitarspeakers)电吉他音箱简介(Introductiontoelectricguitarspeakers)**introductionofelectricguitarsharingAfriendwhohasplayedanelectroacousticguitarmustknowthatiftherearenoamplifiersandspeakers,eventhemostexpensivepianointheworldisjustadumbperson"Forelectroacousticguitars,thespeakersarenotonlytheirmouthpiece,butalsooneofthesecretsofgoodsoundWhat'sanelectroacousticguitarboxAcousticguitarandacousticguitaristhebiggestdifferencewiththespecialpickups,itsinterioriscomposedofapermanentmagnetandthecoilofthevibratingstringsbycuttingmagneticlinestoproduceanelectronicsignalwiththesamefrequencyHowever,theresultingelectronicsignalisveryweak,andifitisdirectlyattachedtothespeaker,itcannotbeconvertedintosoundwavesOnlybyamplifyingtheseweakcurrentscanthespeakersbedriventoachieveelectroacoustictransitions,andthedeviceforthisworkistheelectroacousticguitarspeakerFrontstageamplificationandpoweramplificationThegeneralhouseholdhighfidelityspeakersandamplifiersareseparate,buttheguitardesignersinordertoensuresoundidentityandhandlingconvenient,generallyamplifierandspeakersbundledpartmanufacturing,ifnotinthesamebox,thedesignerwillprobablybybothpartsarefixedtogetherTheamplifiercircuitbuiltintheloudspeakerboxiscomposedoftwoparts,thefrontamplifierandthepoweramplifierThefirststageamplifierforweaksignaloutputfromthepickuplineinshapingamplifier,oftenwithatone(EQ)anddistortion(Booster)circuit,isoneofexcellentguitaristssoundThepoweramplificationisresponsibleforamplifyingthesignalthatisprocessedbythefrontcircuittobesufficienttodrivethespeaker'saudibleoutputtoachievethefinalelectroacousticconversionIntegrationandsplittypeThesocalledintegratedspeakers,thatis,beforethestage,poweramplifierandspeakersinstalledinthesamewoodenorresinboxtype,andnowonthemarketaregenerallysoldlikethisSplittypereferstothecircuitandthespeakerpartoftheinstallationofthetype,duetotheincreaseofthecostofthebox,generallybelongtohighgradeproductsInrecentyears,designersinordertomeettherequirementsofdifferentmusicianshavemultipletimbre,thenamplifiercircuitalonemadeexternalproducts,usingdigitalprocessingcircuittosimulatethesoundcharacteristicsofvarioustypesofspeakers,suchasLinePODandotherspeakersanalogeffectWithsuchanexternalpreamplifier,ifyouwanttogetMaherorBudweiserspeakersinthestudio,youdon'thavetofindsomeonetomoveyourspeakersAnelectrontube,atransistor,adigitalcircuitTheacousticguitarsoundamplifyingcircuitaccordingtothecorecomponentsoftheuseofdifferent,canbedividedintocategories:inthefirststageamplifierandapoweramplifiertubecircuit(alsoknownasthe"bileduct")ofthespeakers,themostsimpleandwarmtone,andBruceisarockmusician'sloveusethespeakertransistortheweightislight,electrontubes,soundsrelativelylongersharputilizingthedigitalamplificationproductscomeoutsoon,generallyhastheadvantagesoflowpowerconsumption,cleansound,usuallybuiltinavarietyofsyntheticeffectHowever,thesethreetypesofspeakersarenotcompletelyseparate,designersoftenusethesecomponentstocombinetheirowncharacteristicsForexample,somespeakersusetransistorsbeforetheircircuits,whilepoweramplifiersuseelectronictubes,anddigitalprocessors(DSP)areusedasthefrontstage,plusthetypeofelectronictubepoweramplificationspeakerAmplifiedguitarpickupsweresenttothesignalamplifyingcircuitintheloudspeakercoil,thechangingmagneticfield,themagneticfieldinteractionwiththespeakeritselfmagneticfield,promotetheloudspeakerconemotion,vibrationwillcausetheairearshearthesoundThespeakeristheendofthewholeelectroacoustictransition,whichhasagreatinfluenceonthesoundtexture(harmonics)andsenseofmagnitude(lowfrequency)ThesizeofaloudspeakerisusuallymeasuredininchesTheproductisthemostvisiblebetween~inches,andinchesisaboutcentimetersBack,openandclosedThesetwotermsrefertothedifferentstructuresofspeakersandspeakersAsthenamesuggests,thebackoftheopenspeakersisopen,whiletheclosedspeakersboxiscompletelyclosedTheformerismosttypicalofFenderspeakers,andthelatterisoneofthefeaturesofMarshallspeakersInputoutputinterfaceAccordingtothedifferenttype,quantityandspeakerinputoutputinterfacestylewillvary,butaregenerallyequippedwithatwoinputinterface(highimpedanceandlowimpedance)andeffects(Serieseffectloopterminalisconnectedwiththeexternalinterface),externalspeaker(connectedwithanotherspeaker)andtheheadsetoutputterminalGenerallyusethebigtwocorenonbalancedinterface,thestudiousesthemodelalsohastheuseofXLRbalancedoutputWhenawidersoundpressuresurfaceisrequired,TheexternalspeakerinterfacecomesinhandyYoucanusethisinterfaceandspecialspeakerstoconnectthespeakerstoanotherspeakerHowever,youshouldcalculatetheimpedanceatthistime,becausewhenthespeakersofthetwospeakersareconnectedinparallel,theimpedanceoftheamplifyingcircuitwillbereducedtoIfyourspeakeramplifierdoesnotsupportthatlowimpedance,thedischargesoundsarenotverygoodOnthisissue,youcanlookatthespeakersinthefieldofprofessionalbooks,foraguitarplayer,itisalsoagoodpractice"Althoughsomedifferenttonescanbebroughtinbythefrontstageamplifier,ifyouwanttomodifythetoneinalargerange,youmustuseanexternaleffector,usuallyasingleblockordigitallysynthesizedpedalguitarplayerWhenusingthistypeofeffectorinseries,theeffectorloopterminalcanbeused,sothatthedegreeofsounddegradationcanbereducedonthepremisethattheoriginalsoundqualityofthesoundboxisguaranteedasmuchaspossibleTheconnectionsequenceis:loopsendterminal(FxSend)effectorinputterminal(Input)effectoroutputterminal(Output)loopbacktoterminals(Fx,Return)Inrecentyears,withtheriseofhomestudios,guitarspeakershavealsochangedLiveintheenvironment,musiciansareoftenunabletousethemicrophonetopickupspeakersinthestudioasarecordingmethodSo,thedesignerusedguitaramplifiercircuitleadstoasignal,theguitaristcandirectthesignaltotheMTR(Digitalmultitrackrecorder),maximizethesoundcharacteristicsofthespeaker(actuallythesoundcharacteristicsoftheformercircuitofthelargestimpactonvoice)Afterintroducingsomebasicknowledgeabouttheacousticguitarsoundbox,inorderthatyoucanquicklymastertheknowledgeinactualuse,weassumethatyouareajuststartingtouseguitarforbeginners,inthefaceofthetableuntouchedequipment,howshouldyoudogetthesatisfyingtoneThefirststep:usethesignallinewithashieldinglayer(microphoneline)connectingguitaroutputterminalandtheinputterminalofthespeaker,ifyouusetheinferiorqualityofwireorshieldinglayeristoothinisverysusceptibletoexternalelectromagneticinterferencesignalPersonalpracticeguitarspeakersgenerallyonlyhaveaninputchannel(ch),agoodbitofthischannelwillbedividedintohighgainandlowgaintwointerfacesIngeneral,it'sOKtoplugthelineintoahighgainsocketForthemorethantwochannelspeaker,youcanhaveyourguitarsignallineinthedesiredeffectofthechannel,forexample,ifyouwanttomakethespeakerproducesareverberationeffect,thesignallineisinsertedintheReverbinterfaceThesecondstep:openthespeakerpowerswitchAlthoughthisisthegeneralknowledgeofelectricalengineering,buttheguitarandordinaryhouseholdappliancesarenotexactlythesame,especiallywhenyouusethespeakerisatubeamp,turnonthepowerswitch,thetubewillgothrougha"warmup"processtowork,whichisdecidedbytheworkingprincipleofelectronictubesIfyouopenthepowersupplyimmediatelyaftertheplay,alotoftimes,thepipewilladvanceagingAftertheswitchispressedforsecondsinthepowersupply,thenopentheSTBYswitchcanworkIftheguitarspeakersusetransistorsordigitalintegratedcircuit,itdoesnotneedpreheating,sothereisnoSTBYthisswitchThethirdstep:ifyouusethisspeakerhasneverbeentouchedbefore,youneedtoconfirmthesoundcharacteristicsofthisspeakerPleasefirstadjustthetone(EQ)ofeachknob(usually:HIGH,MID,LOW,respectively,controlhighfrequency,intermediatefrequency,lowfrequency),transferredtothe""position(inthemiddle)Ifyourspeakerstonecircuitwithagain(notonlyattenuationcircuit),thenyoushouldputeachknobisscrewedtotheposition,thesignalamplificationcircuitisnoteachband,nordecayThefourthstep:mostguitarspeakershavetwoormorelevelgaincontrolknobs,eventhecheapestpersonalpracticemodelisnoexceptionTwoThesetwoknobsarecalled"Gain"and"Volume",alsocalled"Volume"and"MasterVolume"Asthenamesuggests,Gainisusedprimarilytocontroltheinitialinputofalargeamountofsignal,thatis,inthefrontcircuittoproducedistortionclassspecialtone,andVolumeisusedtocontrolthefinalspeakerreleasevolumesizeYoucantunetheGainverymuchtogetenoughdistortion,whiletheVolumedoesn'tnecessarilyneedtobebig,dependingonthescene'samplificationInthisstep,youstillhavetomoveGainto"",whileVolumeseeshowloudyouwanttohearIfyoudon'tfeelthedistortionisenough,youcanslowlyincreasetheGain,Butatthispoint,thespeaker'svoicewillalsoincreasedramatically(becausethetotalamplificationoflargechanges),soitisnecessarytoVolumeknobsmallerInaword,thepurposeofthisadjustmentistomakethesounddistortionthatissatisfyingtothespeaker(whichisdistinguishedfromthedistortionandtimbreobtainedbyusingtheeffector),andalsotopayattentiontothebalancerelationbetweenthefinalvolumeandthedistortionThefifthstep:aftercompletingthedebuggingofthelaststepofthespeakerdistortion,weturnbacktousethetonecircuittomakeminorhighandlowfrequencycorrectionstothedistortiontoneInmostspeakers,thereisthemiddleandhighfrequency(HIGH),mediumandlowfrequency(MID)andlowfrequency(LOW)threebandsoftoneadjustmentfunctionPitchprocessingisaverycomplicatedandtrivialwork,manyrecordingengineersoftenneedtospendafewyearstoallkindsofmusicalinstrumenttuningmethodtouchmorefullytheguitaradjustmentalthoughnotsomuchtrouble,butitisalsoverytimeconsumingSo,inordertomakeyourearssatisfied,don'tbegrudgethetimeandtry,sometimesyouobviouslyadjustisinhighfrequency(HIGH),andtochangethesenseofitatlowfrequency(MID)SometypesofguitarspeakersalsofeaturePresencecommandsforultrahighfrequencyparts,anda"BrightSwitch"switchthatmakesthehighfrequencyclearerHowever,iftheabuseofthetwocontrollers,itiseasytomakethesoundbecome"thin",butalsomaybringpeoplehatethenoiseTherefore,itisgenerallyusedonlyasa"lastresort"onlywhenthethreecontrollers,HIGH,MIDandLOW,cannotbringoutasatisfactorytoneThesixthstep:aftertheabove"tossing",inordertomakethevoicehasacertainsenseofspace,wecanadjustthespeakerofthereverberationcontroller(Reverb)Generallyspeaking,themoreadvancedguitarspeakers,themorevarietyofparametersadded,butthedifficultyofadjustmentisevengreaterForexample,guitarlikeRolandVGAashightechnologicalcontent,eventhroughtheinternaloperationofdigitalcircuit(DSP)tosimulatevarioustypesanddifferentguitarpickupssoundIfyou'renothappywiththesoundthat'scomingfromthespeakersrightnow,youcangobacktothethirdstep,andrepeatitasmanypointsaswepointoutHowever,sometimesyouhavelimitedtimeandsoundquality,youshoulddosomeappropriatecompromise,issuedbythemillionspeakersafterhundredsofdollarsinyourspeakersandheardthesoundofrecordiscertainlyimmeasurablyThenameofeachpartoftheguitarbox:ChenterthechcontrollerCH,entertheCHcontrollerpanelpowerindicatorLoudspeakerbox,dustcover,roller,sideplate,integratedsoundbox(front)STBYswitcheffectloopterminalofthepowerswitchexternalspeakerterminalbackplateElectrontube,speaker,reverberation,echoboard,integratedspeaker(back)Speakers,amplifiers,speakers,speakers,splitguitarspeakersOperationcontrolpanelforordinarychguitarspeakersGuitarinput,brightness,switchvolume(gainGain),tonecontrolknob,telepresenceknob,reverbknob,mainvolume,STBYswitch,powerswitch

用户评价(0)

关闭

新课改视野下建构高中语文教学实验成果报告(32KB)

抱歉,积分不足下载失败,请稍后再试!

提示

试读已结束,如需要继续阅读或者下载,敬请购买!

文档小程序码

使用微信“扫一扫”扫码寻找文档

1

打开微信

2

扫描小程序码

3

发布寻找信息

4

等待寻找结果

我知道了
评分:

/10

电吉他音箱简介(Introduction to electric guitar speakers)

VIP

在线
客服

免费
邮箱

爱问共享资料服务号

扫描关注领取更多福利