Ikhanda le-amp wuhlobo lwe isikhulumi lokho akuqukethe izikhulumi. Kunalokho, ihloselwe ukusetshenziswa nekhabhinethi yesipikha sangaphandle. Lokhu kuyenza iphatheke kakhulu kune-combo amplifier, equkethe kokubili i-amplifier nesipikha esisodwa noma eziningi kukhabhinethi yokhuni.
Amakhanda ama-amp ngokuvamile anamandla kakhulu kune-combo amps, okuwenza abe yinketho engcono yezindawo ezinkulu. Futhi bavame ukukhiqiza umsindo ohlanzekile, ngoba izikhulumi azishayelwa kanzima.
Kodwa-ke, lokhu kungenza futhi kube nzima kakhulu ukukhipha umsindo omuhle uma ungeyena umdlali onolwazi.
Isingeniso
Ikhanda le-amplifier wuhlobo lwedivayisi yomsindo ehlinzeka nge amandla nethoni yeamplifier. Iwumthombo wamandla weamplifier futhi inikeza ugesi wamandla aphezulu ezipikheni. Amakhanda esikhulisi ngokuvamile asetshenziswa uma udinga amanzi amaningi kunalawo atholakala ku-combo noma ku-stack amplifier. Ake singene emininingwaneni ukuze siqonde kahle ukuthi kufanele ukhethe nini inhloko yeamplifier.
Yini i-amplifier head?
Ikhanda le-amplifier liyingxenye yesistimu yomsindo we-elekthronikhi ekhulisa isignali ngaphambi kokuba ithunyelwe ezingxenyeni zesikhulisazwi. Kuma-amplifiers wezinsimbi zomculo, okuhlanganisa isiginci, i-bass kanye nezikhulisamandla zekhibhodi, ikhanda lesikhulisi sisebenzela ukuguqula amasiginali akhiqizwa ama-pickup noma imakrofoni. Ngokuvamile, lapho ukhetha ikhanda le-amplifier, kunezici ezimbalwa ezibalulekile okufanele uzicabangele.
I-wattage kanye ne-impedance yizici ezibalulekile. I-Wattage empeleni isilinganiso samandla i-amp engawakhiqiza. I-impedance isho inani lokumelana phakathi komthombo nomthwalo kunoma iyiphi isekethe kagesi. Amanani aphezulu we-impedance avumela okukhiphayo okuphezulu okuvela kuzipikha zakho ngezinkinga ezimbalwa ezingaba khona ezivela ezingxenyeni ezingafani. Amakhanda we-amplifier nawo ayahluka ngokuya ngezinhlobo zawo ezifana neshubhu noma imiklamo yesimo esiqinile, ekhiqiza umsindo we-analog noma wedijithali kuye ngokuthandwa komklamo.
Ngokuvamile, ukukhetha ikhanda le-amplifier kuncike ekuthandweni komuntu siqu kanye nokusetshenziswa okuhlosiwe kwesistimu yokukhulisa insimbi. Uma uhlele ukudlala izindawo ezincane ezifana nama-nightclub noma amabha angenazo izinhlelo ze-PA, ungadinga kuphela ama-watts angu-15-30 kanti izindawo ezinkulu zizodinga okungenani ama-watts angu-300 anamanzi aphezulu anikeza ukucaca okukhulu nokuba khona ezindaweni ezinkulu. Yebo kuye ngezidingo zakho ungase udinge inhlanganisela yakho kokubili yingakho kubalulekile ukuba uzazise ngazo zonke izinketho ezitholakalayo ngaphambi kokwenza isinqumo sokuthenga!
Izinhlobo Zezinhloko Zesikhulisi
Inhloko ye-amplifier isikhulisi se-elekthronikhi esinamandla okunika isikhulisazwi esisodwa noma eziningi. Ivamise ukusetshenziselwa ukudala umsindo omkhulu wokudlala bukhoma. Kunezinhlobo ezimbalwa zamakhanda e-amplifier ongakhetha kuzo, ngalinye linamandla nobuthakathaka balo ngokwekhwalithi yomsindo, ukuphuma kwamandla, nokunye okwengeziwe. Ngezansi, sizobheka ezinye zezinhlobo ezidume kakhulu zamakhanda e-amplifier futhi sixoxe ngokuthi kungaba nengqondo nini ukukhetha ngalinye.
Isimo esiqinile
Amakhanda we-solid amplifier ahlinzeka ngokwethembeka okuhle futhi abiza kancane kakhulu kune-tube amplifier. Lawa makhanda athola igama lawo ekwakhiweni ngokuphelele ngama-solid-state transistors. Lolu hlobo lwekhanda lukhiqiza umsindo ohlukile kune-tube amplifiers futhi lungaba nethoni eqinile, ekhanyayo enokufudumala okuncane. Kuyisinqumo esihle uma ufisa ikhwalithi yomsindo ecacile ehamba kahle uma iqoshwa estudiyo ngenxa yokucaca kwayo, imininingwane kanye nokuhlasela okunamandla. Amakhanda we-solid amplifier angatholakala enikwe amandla noma engenawo amandla, ngakho-ke uma udinga ukuphatheka, lezi ukukhetha okuhle kakhulu njengoba evamise ukulula futhi ngeke adinge i-amplification eyengeziwe engafika nabazala bamashubhu.
I-Tube
Amakhanda esikhulisi se-tube ama-amplifaya wesiginci asebenzisa amashubhu e-vacuum ku-preamplifier nezigaba zokuphumayo, ngokuphambene nama-transistors. Ama-Tube amps abekhona kusukela ngeminyaka yawo-1940s futhi asanda kubona ukubuya njengoba abadlali besiginci bephinde bathola ithoni eyingqayizivele enganikezwa ngamakhanda e-tube amp kuphela.
Amakhanda e-Tube amp avame ukuzwakala efudumele futhi ecacile. Baphinde baphendule kahle kuzitayela ezahlukene zokudlala kusukela ekushayeni okuthambile kuya ekulimazeni okunamandla. Ama-tube amps amaningi afaka amashaneli amaningi, akuvumela ukuthi ushintshe phakathi kwezilungiselelo ngokushesha ukuze uthole amathoni ahlukahlukene. Ikhanda elivamile le-amp amp lizoba likhulu uma liqhathaniswa namamodeli asuselwa ku-transistor, kodwa izinketho zanamuhla ezincane nezithengekayo ziyaphatheka kakhulu.
Uma ucabangela i-tube amp head, kubalulekile ukucabangela uhlobo lwamashubhu amandla i-amp yakho enawo - wonke anikeza imisindo ehlukene, kusukela kuthoni eyindilinga yakudala efudumele yamashubhu wamandla angu-6L6 kuya kumathoni ahlanzekile agqamile we-EL34s noma ama-KT-88s. Kubalulekile futhi ukucabanga ukuthi mangaki ama-watts i-amplifier yakho engaphatha. Ama-amp anamandla angase abe phezulu kodwa futhi adinga ukulungiswa okwengeziwe njengokudinga ama-valve awo ashintshwe njalo uma esetshenziswa kakhulu noma egijinywa nawo njalo. Kufanele futhi ucabange ukuthi ingabe kuwumklamo onama-valve onke noma ihlanganisa izingxenye zesimo esiqinile zokucubungula imiphumela njll., njengoba lokhu kuzothinta intengo nekhwalithi yomsindo ngokufanele.
Hybrid
Amakhanda e-amplifier ehlanganisiwe afika ngemiklamo ehlukahlukene enamandla futhi angahlanganisa kokubili ubuchwepheshe besimo esiqinile kanye neshubhu. Ingxubevange ivamise ukusebenzisa ingxenye ye-solid-state ukuletha amandla kuyilapho ingxenye yeshubhu idlala indima enkulu ye-preamp, ihlinzeka ngokushayela nokuthungwa. Lolu hlobo lobuchwepheshe luhle kulabo abafuna i-amp eguquguqukayo ngaphandle kokuthenga ama-amplifiers ahlukene.
Ama-amplifiers ama-Hybrid asethandwa kakhulu phakathi kwabaculi besimanje abanamamodeli amaningi asezingeni eliphezulu manje atholakala emakethe. Lawa makhanda anikeza ukuguquguquka, ukuhlanganisa imihlaba emibili yokukhulisa isimo esiqinile esihlanzekile, nezingxenye zeshubhu ezifudumalayo eziqhutshwa ukuhlanekezelwa - ukukunikeza iphalethi ebanzi yamathoni lapho ungakha khona isitayela sakho esiyingqayizivele. I-Hybrid amps iphinde ivumele ukufinyelela okulula emiphumeleni efana nesabizwana noma ukubambezeleka ngaphakathi kwekhanda le-amp ngokwayo, okuvumela ukuguquguquka okukhulu kungakhathaliseki ukuthi uhlobo lwakho noma isitayela sokudlala.
Izinzuzo Zenhloko Yesikhulisi
Inhloko ye-amplifier iyunithi ehlinzeka ngesikhulisi samandla esihlukile sesiginci noma i-bass, empeleni okuhlanganisa imisebenzi ye-preamp kanye ne-amp yamandla ibe yiyunithi eyodwa. Lokhu kungaba yinzuzo kubaculi ngezindlela eziningi ezahlukene; kusukela ekukhuleni kwezinto ezihlukahlukene lapho uxuba imisindo ukuya ekuphathekeni okwenyukayo uma kuqhathaniswa nezinhlelo ze-amp ezivamile. Sizoxoxa ngemininingwane yezinzuzo zekhanda le-amplifier ngokuningiliziwe ngezansi.
Ukulawula okukhulu kumsindo wakho
Ikhanda le-amplifier livumela ukulawula okukhulu kumsindo wakho. Ngokusebenzisa ikhanda elizinikele kanye nekhabhinethi esikhundleni seyunithi eyodwa-in-one, uyakwazi ukulolonga umsindo wakho kangcono. Ungakhetha i-preamp ehlukile noma i-amp yamandla, noma i-amp head ekuvumela ukuthi ulawule imiksi phakathi kwakho kokubili. Kulula futhi ukufanisa amakhabethe esipikha ahlukene ngokuvumelana nezintandokazi zakho zethoni ngalolu hlobo lwefomethi, njengoba ikhanda nekhabhinethi ngokuvamile kuthengiswa ngokwehlukana komunye nomunye. Ikhanda le-amplifier linikeza izinketho eziningi zamaleveli okukhiphayo, okukuvumela ukuthi ukhethe inani elingcono kakhulu lamanzi lezindawo ezinosayizi abahlukahlukene kanye nezinhlelo zokusebenza. Futhi ungakhetha phakathi kwezinhlobo zokufaka ezimbalwa ezihlukene ngezinjongo ezihlukahlukene—kusukela kokokufaka kwensimbi/umugqa wokuxhuma amakhibhodi nama-synthesizer kanye nokuphuma okuqoshwayo okuqondile okuvela kumabhodi okuxuba, amasistimu e-PA, namakhonsoli okurekhoda. Okokugcina, ukuba nekhanda elihlukile le-amplifier kukunikeza ukufinyelela ezinhlobonhlobo zezilawuli zethoni ezifana ne-EQ–ukunweba ububanzi bemisindo ongayikhiqiza ngokusetha insimbi yakho.
Amandla amaningi
Uma kuziwa kuma-amplifiers, amandla amaningi ahlala engcono. Ikhanda le-amplifier likuvumela ukuthi uthole amandla engeziwe nokuvumelana nezimo ekusetheni kwakho i-amp kunalokho okunganikezwa yi-combo amp.
Isibonelo, ikhanda le-amplifier lingakhipha amazinga aphezulu kakhulu omsindo ngokwalo kune-combo amp, okusho ukuthi uzokwazi ukuphusha umsindo wakho kumavolumu aphezulu ngokulawula okukhulu nokunemba. Ukuba ne-wattage eyengeziwe kanye nenkululeko yokukhetha noma iyiphi iKhabhinethi yesipikha sangaphandle kwandisa futhi inani lamathuba e-sonic okuhlola amathoni okudala naguqukayo. Lokhu kukhulisa amakhono akho okuveza isigingci noma i-bassist.
Ngaphezu kwalokho, ukuba nekhanda le-amplifier kukuvumela ukuthi uthole imiphumela engcono kakhulu lapho wenza imibukiso ebukhoma noma uqopha ku-studio njengoba kunendawo eyengeziwe yokulungiswa phakathi kwezingxenye ze-preamp kanye ne-power amp, okuletha ukucaca okwengeziwe kusiginali ethunyelwa kusuka ensimbini yakho ukuya. izikhulumi. Lokhu kusho ukuthi uzokwazi ukudayela imisindo ecacile kalula lapho udlala bukhoma noma ulandelela okurekhodiwe kwamaphrojekthi we-studio.
Ukuguquguquka okunjalo okwenyuka kwenza ikhanda le-amplifier lizuzise kakhulu uma udlala izinsimbi ngaphandle kwesiginci noma amabhesi. Amakhibhodi nemishini yezigubhu izozuza kakhulu ngokusebenzisa i-amplifier head ene-signal processor yayo ebhodini noma amanye amadivaysi angaphandle afana nama-compressor noma amayunithi ereb axhunywe ngaphambi kokuthi isiginali yawo ingene emakhabetheni esipikha. Lokhu kuzobenza bakhanye nakakhulu ngohlelo lwakho lwe-PA!
Ukuthutha kulula
Ngokusebenzisa inhloko yeamplifier, futhi uhlela kahle ukusetha kwakho ukuze uthole imibukiso ebukhoma. Ngenxa yokuthi amamodeli amaningi esimanje anezici ze-DSP ezakhelwe ngaphakathi nezilawuli zesipikha, konke okudingeka ukwenze i-amp ukushayela izipikha zakho—hhayi ukucubungula imithelela ngayinye noma ukuqapha amazinga. Lokho kwenza ukusetha kwakho kube lula kakhulu ukukuthutha nokusetha emicimbini, kukunikeza isikhathi esengeziwe sokugxila ekusetheni ezinye izisetshenziswa njengezibani namakhibhodi. Ngaphezu kwalokho, amakhanda e-amplifier ngokuvamile adinga izintambo ezimbalwa kunokusetha isitaki esigcwele ngoba adizayinelwe ukuthi asetshenziswe nezipikha ze-PA noma amamonitha asebenzayo. Lokhu kusiza ngokuqhubekayo ukunciphisa isikhathi esidingekayo sokupakisha nokukhipha ngaphambi nangemuva kombukiso.
Kufanele Ukhethe Nini Inhloko Ye-amplifier?
Amakhanda e-Amplifaya ayisinqumo esihle sabadlali besiginci abafuna ukuyisa umsindo wabo ezingeni elilandelayo. Banikeza ububanzi bezici ezingase ziyise ukudlala kwakho kuleveli elandelayo, kusukela kuhlu olubanzi lwenzuzo nezilawuli zethoni kuya kumaluphu wemiphumela nokunye. Kodwa-ke, kunezimo ezithile lapho ikhanda le-amplifier lingase libe yisinqumo esingcono kakhulu, ngakho-ke ake sibhekisise ukuthi kufanele ukhethe nini ikhanda le-amplifier.
Uma udinga umsindo omkhulu
Uma ufuna ukudlala ezindaweni ezinkudlwana zamagigi noma imicimbi yakho, ungase udinge ikhanda le-amplifier elingakhiqiza ivolumu ephezulu yomsindo. Amakhanda esikhulisi adizayinelwe ukunikeza amandla adingekayo ukuze adale umsindo obukhoma onomsindo omkhulu noshukumisayo. Uma esetshenziswa ngokuhambisana namakhabethe esipikha, angakha umuzwa wokulalela onamandla kakhulu futhi oshubile.
Kumabhendi afuna ukwandisa umsindo wawo futhi angene ezindleleni zomculo ezihlukene, i-amp head iyinketho enhle njengoba inikeza ukunambitheka okwengeziwe namakhono kunama-combos endabuko noma ama-amps amancane. Nakuba ama-combos angakukhawulela ngokwesitayela uma uzama ukweqa okuyisisekelo okuzanyiwe futhi okuyiqiniso njengedwala, kungenzeka nge-amp head ukuze uthole izici ezengeziwe ezifana ne-tremolo noma ama-distortion boost.
Uma usebenzisa i-amp head emibukisweni, qaphela ukuthi ingaba nzima (ezinye zibe nesisindo esingafika kumakhilogremu angu-60!). Lesi sisindo esengeziwe sisho ukuthi ukuphatheka kungase kuhlupheke ngaphandle uma uzimisele ukuthuthuka usuka ezikhwameni ezincane ukuze uthole ukuvikelwa okungcono ngesikhathi sokuthutha.
Sekukonke, uma udinga umsindo ophakeme wokwenza kwakho kanye nesitayela sokudlala ukutshala imali kukhanda leamplifier kungaba yisixazululo sekhwalithi yomsindo engcono.
Uma udinga ukulawula okwengeziwe umsindo wakho
Amakhanda we-amplifier akunikeza ukulawula okwengeziwe kumsindo wakho. Banikeza umsindo onamandla, oluhlaza, futhi ongahlungiwe ngaphandle kwemikhawulo yekhabhinethi yeamplifier. Uma uthenga inhloko ye-amplifier, uthenga idivayisi kagesi eklanyelwe ukuguqula ithoni yensimbi yakho futhi ikhulise ukuze isetshenziswe ekusebenzeni okubukhoma noma iseshini yokurekhoda.
Inzuzo eyinhloko yokusebenzisa ikhanda le-amplifier ububanzi obukhethiwe bezinketho zokulawula ithoni. Lokhu kungase kuhlanganise, kodwa akukhawulelwe ku-reb, i-boost, ukuhlanekezela neminye imithelela, kanye nokulawula ukulungisa ama-dynamics namaleveli kumamiksi akho noma okurekhodiwe. Ithoni enembile ingatholwa ngamavolumu aphezulu ngokushintsha izinga levolumu eyinhloko kanye nokulungiswa kwe-EQ ngemuva kwekhanda le-amp.
Enye inzuzo yokusebenzisa amakhanda e-amp ukuthi anganyakaziswa kalula lapho enza bukhoma ezindaweni ezihlukene ngesikhathi esincane sokusetha. Amakhanda aphinde eze ngokucushwa kwamandla okuhlukahlukene kusukela ku-15 Watts kuya ku-200 Watts. Lokhu kusho ukuthi ungakhetha inani elifanele levolumu ngokuya ngosayizi nama-acoustics wendawo ozobe ucula kuyo.
Uma udinga ukuguquguquka okwengeziwe ngomsindo wakho futhi ufuna izikhathi zokusetha ezingabizi kakhulu uma udlala imibukiso ebukhoma, ukuthenga ikhanda le-amp kungakusebenzela kangcono!
Uma udinga ukuthutha i-amp yakho
Ukusebenzisa ikhanda le-amplifier kungaba yisinqumo esihle uma udinga ukuthutha i-amp yakho noma wenze izinguquko ezincane kumsindo. Ikhanda le-amp empeleni liyingxenye engaphezulu ye-amplifier, ehlanganisa ukukhulisa ngaphambili, izilawuli zethoni nokukhulisa amandla. Ikhabhinethi (noma indawo yesipikha) ihlukene nekhanda. Lokhu kuvumela ukusetha okulula kakhulu okunciphisa kakhulu usayizi nesisindo.
Ngaphezu kwalokho, amakhanda amaningi e-amp anikeza ukuguquguquka okwengeziwe uma kuziwa ekulungiseni umsindo. Ngama-amplifiers amaningi amakhulu, ukwenza izinguquko kuhilela ukuvula iphaneli yangemuva ye-amp kanye nokushintsha ngokomzimba izilungiselelo kuma-potentiometers nokushintsha. Amakhanda e-Amp agcina le nqubo ilula kakhulu ngenkinobho yokulawula eyodwa noma ngaphezulu kuphaneli yangaphambili, okuvumela ukulungiswa okusheshayo kwenzuzo ye-preamp namapharamitha wokubunjwa kwethoni. Lokhu kusho amathuba ambalwa ephutha noma umonakalo, ukwenza izinguquko zibe lula nakakhulu uma ujahile.
Ikhanda le-amp lingase libe nenzuzo uma ufuna ukusebenzisa izipikha eziningi ngoba zinikeza amazinga anyukile okukhipha isignali noma "i-headroom". Awukhawulelwe ekusebenziseni isipika esisodwa, inqobo nje uma zonke ziklanyelwe ukusebenza nemodeli yakho ye-amp head - ekuvumela inkululeko ethile yokudala!
Isiphetho
Sengiphetha, ikhanda le-amplifier liyingxenye ehlukile yokukhulisa isiginci, ngokuvamile esetshenziswa ngokubambisana nekhabhinethi yesipika. Ikhanda le-amplifier likunikeza ukulawula okwengeziwe kumsindo nethoni kune-combo amp. Iphinde ikunikeze ukuguquguquka okwengeziwe ukuze usebenzise inhlanganisela ehlukene yamakhabethe esipikha ukuze udale umsindo owufunayo.
Kwabaqalayo, kungase kudingeke ukutshala imali ku-amplifer ye-combo ukuze zonke izingxenye sezivele zihlangene zibe iyunithi eyodwa. Kodwa-ke, kubadlali ababalulekile abafuna ububanzi obuningi nokuguquguquka kwamathoni nokucushwa, ukutshala imali ekhanda le-amp kungaba yisixazululo esifanele.
NginguJoost Nusselder, umsunguli we-Neaera kanye nomkhangisi wokuqukethwe, ubaba, futhi ngiyathanda ukuzama izinto ezintsha ngesiginci enhliziyweni yesifiso sami, futhi kanye nethimba lami, bengilokhu ngidala izindatshana zebhulogi ezijulile kusukela ngo-2020. ukusiza abafundi abathembekile ngokurekhoda namathiphu esiginci.
