Mutauri wePA vs Horn: Misiyano mikuru
Muindasitiri yezvekuteerera nekuzivisa vanhu vakawanda, mazwi ari pamusoro pema "acoustic transducers" anogona kuvhiringika. Izwi rekuti "PA speaker" (Mutauri wehurukuro yavose) rinowanzoshandiswa sezita rekuti chero sipika yakabatana nesisitimu yeaudio yakapararira. Kunyange hazvo indasitiri yeaudio yehunyanzvi ichiwanzoshandisa "sipika yePA" kutsanangura chero nzvimbo yekusimbisa ruzha—kusanganisira maconcert rigs ane horn-loaded—muma commercial distributed audio, rinowanzoreva sipika inopenya zvakananga. Kunzwisisa musiyano uripo pakati pesipika yePA inopenya zvakananga nesipika inopenya kwakakosha kune vanobatanidza AV, ma acoustics, uye vatariri vezvivakwa vane basa rekugadzira masisitimu anosangana nekunzwisisika kwakananga (kazhinji anotarisa Speech Transmission Index ye >0.50), kufukidzwa, uye zvinodiwa zvakatipoteredza.
Musiyano mukuru pakati pematekinoroji maviri aya uri munzira yavo yekushandura manzwi emagetsi uye kubatana kweacoustic nemhepo yakapoteredza. Mutauri wePA akajairika anowanzo shandisa mutyairi wecoin unofamba-coil wakaiswa mukati mevharo rakavharwa kana rakavharirwa. Dhizaini iyi inoburitsa ruzha zvakananga munharaunda, ichiisa pamberi mhinduro yakakura yefrequency (kazhinji 60 Hz kusvika 20,000 Hz) uye natural tonal balance. Kusiyana neizvi, mutauri wehorn anoshandisa mutyairi wecompression wakasarudzika wakabatana neflared acoustic waveguide (horn). Iyi configuration inoshanda se acoustic transformer, ichienzanisa high mechanical impedance yemutyairi nelow acoustic impedance yemhepo yakapoteredza. Izvi zvinowedzera kushanda kwe electro-acoustic, kunyangwe kazhinji zvichikanganisa low-frequency reproduction (kazhinji ichikwira zvakanyanya pasi pe300 Hz).
Kune vagadziri vemasystem, kusarudza pakati pePA speaker nehorn speaker inyaya yekuverenga zvichibva pamiganhu yenzvimbo yekuiswa. Sarudzo yacho inotsamira paSound Pressure Level inodiwa (SPL), ruzha rwuri pakati penzvimbo, daro rinodiwa rekukanda, uye zviri mukati zviri kuratidzwa—ingava mimhanzi yemashure yakazara, manzwi akakosha, kana manzwi ekukurumidza kubuda.
Chinangwa chikuru uye kufukidza ruzha
Chinangwa chikuru chemutauri wePA wekare ndechekupa ruzha rwakanyanya kuburikidza ne broad frequency spectrum. Izvi zvinoita kuti ikwanise kuburitsa zvese hunhu hwemimhanzi yakarekodhwa uye manzwi echisikigo ezwi remunhu. Nekuti vatauri vePA vakajairika vanovimba nemakoni anopenya zvakananga, ruzha rwavo runowanzova rwakafara uye rwakaita serunotenderera, kazhinji ruchiparadzira ruzha pamakona ari pakati pe90° ne120°. Kupararira uku kwakafara kunoshanda zvikuru pakuvhara nzvimbo neruzha rwakafanana, chero bedzi denga rayo (rakanyatsokwana 8 kusvika 14 feet) uye acoustic reflections zvichitarisirwa nemazvo.
Zvichipesana, matauri ehorn akagadzirwa kuti akwanise kuburitsa ruzha rwakanyanya uye kupinda mukati. Basa rawo guru nderekupa ruzha runonzwisisika, rwakamanikana-band munzvimbo refu kana munzvimbo dzine ruzha rwakanyanya. Kupenya kwehorn kunotungamira patani yekupararira, iyo inowanzova yakamanikana uye inodzorwa zvakanyanya—kazhinji inoganhurirwa ku60° ne40° kana kuti yakasimba, zvichiita kuti pave neDirectivity (Q) factor yepamusoro ye10 kusvika ku15. Kutungamira uku kwakanangana kunowedzera simba reacoustic muchiedza chakati, zvichideredza kubuda kweacoustic munzvimbo dzisingadiwi uye kuderedza kufadza kweminda inodzokorora ruzha munzvimbo dzine ruzha rwakanyanya.
Mapurogiramu akajairika ekero dzeveruzhinji uye mapeji
Mukushanda kwayo, matauri ePA akajairika anowanzo kuve sarudzo yekutanga munzvimbo dzine mhando yeruzha, kubatanidzwa kwerunako, uye kufukidzwa kwakafanana kweruzha rwenzwi rwakaderera kusvika pakati nepakati (kazhinji 70 kusvika 85 dB) ndizvo zvinangwa zvikuru. Vanobatanidza vanoshandisa matauri ePA ane denga rakarembera pamusoro, rakarembera, uye rakarembera padenga zvakanyanya muzvitoro zvekutengesa, makamuri emakambani, nzvimbo dzekugamuchira vaenzi, uye nzvimbo dzedzidzo. Munzvimbo idzi, sisitimu inofanira kuchinja zviri nyore pakati pekupa mimhanzi yekumashure isina kuvhiringidzika (BGM) uye manzwi akajeka, echisikigo.
Matauri eHorn anowanzo tsanangurwa kuti ashandiswe mumaindasitiri, panze, uye pakuchengetedza hupenyu apo maacoustic output uye kugona kurarama zviri nani kupfuura mimhanzi. Akajairika muzvitima, pasi pekugadzira, nhandare dzemitambo, uye masisitimu ekunyevera enjodzi emaguta. Mufekitori yekugadzira ine ruzha rwepasi rwe85 kusvika 90 dB(A), mutauri wePA akajairika anowanzo donhedzwa kana kumanikidzwa kukundikana achiedza kukunda ruzha. Zvisinei, mutauri wehorn anogona kugadzira zviri nyore 105 kusvika 115 dB(A) peak output inodiwa kuti awane chiyero chinodiwa che +10 dB kusvika +15 dB signal-to-noise kuti chinzwisiswe.peji rekukurumidziraZvakakosha kuziva kuti kusiyana uku kwemukati nekunze hakusi kwakakwana; masipika ePA anopenya zvakananga anodzivirira mamiriro ekunze anowanzo shandiswa panze kuti anzwike zvakanaka, nepo masipika ehoni achigara achiiswa mukati medzimba munzvimbo dzine ruzha, dzine mapako akadai sema ice rinks kana ma warehouse.
Chii chinonzi PA Speaker
Mutauri wePA, kana tichitarisa ruzha rwakagoverwa mubhizinesi, zvinoreva sipika inoburitsa ruzha yakananga yakagadzirirwa kuburitsa mafrequency akasiyana-siyana eaudio kuti ishandiswe kuparadzira. Masipika ePA ebhizinesi akaiswa anowanzo gadzirwa kuti arambe achishanda mukati me70V kana 100V constant-voltage distribution networks. Izvi zvinobvumira makumi kana mazana emasipika kuti asungwe netambo dzakakura achishandisa waya diki (kazhinji 16 kusvika 18 AWG), zvichikunda kurasikirwa kukuru kwechiratidzo kwaizoitika newaya dzakajairwa dzisina kupindira (8-ohm) pamusoro petambo dzinopfuura 100 kusvika 200 tsoka.
Kugadzirwa kwemutauri wePA wekutengesa kunowanzo sanganisira chivharo chakasimba chakagadzirwa nepurasitiki yeABS yakaumbwa nejekiseni, fiberboard yepakati nepakati (MDF), kana simbi. Mukati mechivharo, transducer imwe kana kupfuura dzinofamba-famba dzinoiswa pabaffle yepamberi. Chivharo ichi chinodzivirira mafungu eruzha ari kunze kwechikamu anokonzerwa nekumashure kwekoni yemutauri kuti asatenderere uye kudzima mafungu eruzha anogadzirwa nepamberi, izvo zvakakosha pakuburitsa mafrequency akaderera neakaderera-pakati.
Kuti ishande nemanetwork eaudio akapararira, maspika ePA ekutengeserana ane matransformer akabatanidzwa anoenderana nematanho. Matransformer aya ane mapombi akawanda ekutanga (semuenzaniso, 1.5W, 3W, 6W, 15W, 30W), zvichibvumira system integrator kugadzirisa wattage inodhonzwa nespika yega yega. Kugona uku kwakakosha pakuenzanisa mazinga eSPL munzvimbo dzakasiyana dzechivako.
Maitiro evatauri vePA vanoburitsa sei mutauro nemimhanzi
Kuti vawane mhinduro yakakura uye yakatsetseka yemafrequency, maspika ePA ekutengeserana anowanzo shandisa dhizaini yeacoustic ine mativi maviri. Iyi gadziriso inokamura chiratidzo cheaudio kuita mabhendi maviri akasiyana emafrequency uchishandisa network yemukati isingapindike (inowanzo yambuka pakati pe2.5 kHz ne3.5 kHz). Mafrequency akaderera uye epakati anoendeswa kune woofer cone yakakura (kazhinji 4 kusvika 8 inches mudhayamita), nepo mafrequency akakwira achinangidzirwa kune tweeter diki (kazhinji 0.75 kusvika 1 inch).
Nekupatsanura basa pakati pematransducer akagadzirirwa mafrequency avo, maspika ePA ane nzira mbiri anogona kuburitsa zvese zviri zviviri mabass notes anodiwa pamimhanzi yepamberi uye manzwi akakosha ekonzonendi anodiwa kuti inzwi rinzwike. Network yecrossover inoita kuti pave nekuchinjana kwakanaka pakati pemadhiraivha, ichichengetedza ruzha rwechisikigo runodzivirira kuneta kwemuteereri panguva yekutamba kwenguva refu.
Mashandisirwo akanakisisa emukati nemabhizimisi
Nekuti vanokwanisa kuburitsa ruzha rwakazara rwakapararira, maPA speaker isarudzo yakanaka kune nzvimbo dzekutengeserana uko ruzha rwuri pasi pe65 kusvika 70 dB(A)). Nzvimbo dzekutengesa dzinonyanya kushandisa maspeaker aya kugadzira mamiriro emhando yepamusoro kuburikidza nemimhanzi yepamusoro, ukuwo dzichiashandisa paging yevashandi. Nzvimbo dzemakambani dzinoshandisa maPA speaker akaiswa padenga munzvimbo dzevaenzi nedzemumigwagwa kuti dzipe ruzivo rwekunzwa rwakakwana.
Uyezve, matauri ePA akagadzirwa vachifunga nezvekubatanidzwa kwezvivakwa. Vagadziri vanopa mayuniti aya muchimiro chedenga chisina kusimba, mabhora ependant edenga rezvivakwa zvakavhurika, uye makabati akapfava. Kunyange zvazvo zvichionekwa semhinduro dzemukati, matauri mazhinji ePA emazuva ano ane zvinhu zvakagadziriswa nemamiriro ekunze, zvichiita kuti zvikodzere mapatio ekudyira ekunze uye mapaki edingindira uko kuvimbika kwenzwi kuchiramba kuri chinhu chakakosha.
Chii Chinonzi Horn Speaker
Sipika yehoni itransducer yakasarudzika ye electro-acoustic yakagadzirirwa kuwedzera kubuda kweacoustic, projection, uye kushanda zvakanaka. Pane kuvimba nekoni hombe, inopenya zvakananga, sipika yehoni inoshandisa diaphragm diki, yakasimba iri mukati memutyairi wekumanikidza. Mutyairi uyu anobatanidzwa nemakanika pahuro yakamanikana yeguide yeacoustic waveguide (kazhinji ine dhayamita yekubuda ye 1-inch kana 2-inch) - chimiro chehoni yakaputika chinopa mudziyo zita rayo.
Chinhu chinonyanya kukosha chemutauri wehoni kugona kwayo kuita acoustic impedance matching. Muchina wekudzvanya unogadzira mafungu eruzha nekumanikidzwa kwakanyanya mukati mehuro yakamanikana yehoni. Sezvo mafungu eruzha achifamba achienda kunze kuburikidza nekuputika kuri kuwedzera, kumanikidzwa kunoderera ukuwo kumhanya kwezvikamu kuchiwedzera, zvichienzanisa nekumanikidzwa kwemhepo yakazaruka. Izvi zvinoita se transformer zvinodzivirira kuratidzwa kukuru kweacoustic, zvichibvumira simba rese reacoustic kuti riendeswe mberi.
Nekuda kwekushanda nesimba uku kwakanyanya, matauri ehorn anoda simba shoma remagetsi kuti agadzire kumanikidzwa kwepamusoro kweruzha zvichienzaniswa nematauri ePA echinyakare. Mutauri wehorn anowanzo gadzira 105 dB kusvika 110 dB yekubudisa kubva pawatt imwe chete yesimba reamplifier rakayerwa pamita imwe chete, zvichienzaniswa ne85 kusvika 90 dB chete yemutauri wekone akajairwa. Zvisinei, frequency yakaderera iyo horn inogona kubereka zvinobudirira inotemwa nekutenderera kwemuromo wayo. Nekuda kweizvozvo, mahorn mazhinji ekutengesa haagone kubereka frequency yakaderera yebass, zvichikonzera ruzha rwakatarisana nepakati uye mafrequency akakwira (kazhinji 300 Hz kusvika 8,000 Hz).
Kuwanda kwekuwedzera kwehorn load
Kutakura nyanga kunochinja zvakanyanya kutungamira kwemafungu eruzha. Kunyange zvazvo mutyairi wekona isina chinhu achidurura simba reruzha kumativi ese, madziro akaomarara eguide yeruzha anovhara mafungu eruzha, achiamanikidza kuita pateni chaiyo, inofanotaurwa. Nekudzivirira simba reruzha kuti risapararire rakamira kana kuti rakatenderera munzvimbo dziri pedyo, nyanga inobatanidza simba rese reruzha rinowanikwa rakanangana nepakati paro.
Kuwanda kwesimba iri kunoita kuti vatauri vehoni vakwanise kusvika kure kure, vachiwanzoratidza kutaura kunonzwisisika kwemamita 50 kusvika 150 kana kupfuura. Magadzirirwo emuviri anoita kuti mafungu eruzha arambe akabatana, zvichibvumira mafrequency akakosha ekutaura kwevanhu (2 kHz kusvika 4 kHz) kuti apinde munzvimbo dzine ruzha zvinobudirira kupfuura ruzha runopararira zvakanyanya.
Mashandisirwo akanakisisa ekunze uye emaindasitiri
Hunhu hwematauri ehoni hunoita kuti ave sarudzo inotungamira kune nharaunda dzekunze uyekushandiswa kukuru kwemaindasitiriMunzvimbo dzakadai sezviteshi zvezvitima, zviteshi zvekutakura zvinhu, uye nzvimbo dzemapuranga, kuratidza chiziviso munzvimbo dzakakura chinhu chinodiwa pakushanda. Bhandi rakamanikana remafrequency ehorn speaker rinosefa ruzha rwemafrequency akaderera einjini dzedhiziri nemichina mikuru, zvichiita kuti chiratidzo chezwi chive nenzvimbo yakajeka, inonzwika mu acoustic spectrum.
Pamusoro pezvo, maspika ehorn akasimba. Nekuti diaphragm yakapfava yakavharwa zvakachengeteka mukati mebhokisi rinorema remuchina wekudzvanya, inodzivirirwa kubva kumamiriro ekunze. Maspika mazhinji ehorn ekutengeserana akagadzirwa nepurasitiki yeABS isingapindi UV, aluminium yakapwanywa, kana fiberglass, zvichiita kuti zvive nyore kuwana IP66 kana IP67 ratings uye zvinoshanda mumabhendi ekupisa kwakanyanya (semuenzaniso, -40°C kusvika +60°C). Izvi zvinoita kuti zvive zvakanaka munzvimbo dzegungwa, munzvimbo dzemamiriro ekunze akanyanya, uyenzvimbo dzekugadzira dzine njodzi.
Kuenzanisa Kwezvakakosha
Pakuongorora maspika ePA kana maspika ehorn kuti vagadzire odhiyo yekutengeserana, maAV integrators anovimba ne seti yakajairika ye electro-acoustic specifications kuti vafanotaura mashandiro esystem. Software yeAcoustic modeling, yakaita seEASE (Enhanced Acoustic Simulator for Engineers), inoshandisa ma specification aya kugadzira mamepu ekupisa emazinga ekumanikidzwa kweruzha uye mamakisi ekunzwisisika mu digital 3D model yenzvimbo yacho.
Zviyero zvakakosha zvinosanganisira mhinduro yefrequency, sensitivity (SPL pa1W/1m), nominal coverage angle, uye Speech Transmission Index (STI) inobuda. Uyezve, physical uye electric specifications zvinosarudza kuti hardware irambe iripo uye mutengo wese wekuva muridzi wayo panguva yekushanda kwayo.
| Specification Dimension | Mutauri wePA wakajairika (Pamusoro/Padenga) | Chinopa Hurukuro (Paging/Industrial) |
|---|---|---|
| Mhinduro Yakawanda | 60 Hz – 20,000 Hz (Range Yakazara) | 250 Hz – 10,000 Hz (Bhendi reVocal) |
| Kunzwa (1W/1m) | 85 dB kusvika 95 dB | 105 dB kusvika 115 dB |
| Angle yekuvhara zita | 90° kusvika 120° (Yakafara/Yakakombama) | 40° kusvika 60° (Yakanangana Nezvakanyanya) |
| Mapombi emagetsi akajairika | 1.5W, 3W, 6W, 15W, 30W | 7.5W, 15W, 30W, 60W, 100W |
| Nyaya Yekushandisa Kwazvo | BGM, FGM, Kugadzira Mapeji Emukati | Kuziviswa Kwevanhu Vakawanda Panjodzi, Kunze |
| Kuongororwa Kwakajairika kweIP | IP20 kusvika kuIP44 (Yakaputirwa/Yakaputirwa) | IP66 kusvika kuIP67 (Mamiriro ekunze akaoma) |
| Zvinhu Zvakavharirwa | MDF, ABS yakareruka, magaba esimbi ekumashure | ABS inorema, Aruminiyamu, Fiberglass |
Mhinduro yefrequency, SPL, uye angle yekuvhara
Sezvakatsanangurwa mukuenzanisa kwacho, mhinduro yakakura yespika yePA inobvumira kuburitswa kwemimhanzi yakawanda, asi kugona uku kwese kunoda simba rakawanda reamplifier (kazhinji 15W kusvika 30W paspika imwe neimwe) kuti uwane maSPL akakwira. Angle yayo yakafara inoreva kuti ruzha runonyangarika nekukurumidza padaro, zvichitevera mutemo we inverse square (-6 dB pa double of distance).
Matauri eHorn anoshanda nezvikamu zvakasiyana zvemasvomhu. Mhinduro yavo yakapfupikiswa inonyatsoenderana nehuwandu hwenzwi revanhu. Nekuti simba hariparadzwe richiburitsa mafrequency akaderera anoda simba, kunzwa kwakanyanya. Pamwe chete nekona yekufukidza yakasimba, iyi SPL inotungamirwa chaipo painodiwa nemagetsi mashoma (kazhinji ichiwana maSPL akatarwa ne2W kusvika 5W chete yesimba rakabatidzwa).
Kunzwisisa, kure nekukanda, uye mhando yemimhanzi
Kunzwisisa kwenzwi rekutengeserana kunoyerwa zvakanaka uchishandisa Speech Transmission Index (STI), chikero kubva pa0.0 kusvika 1.0. Makodhi ekuchengetedza hupenyu (akadai seNFPA 72 kana EN 54-24) anowanzoda STI inosvika 0.45 kusvika 0.50 yealamu dzezwi dzekukurumidza. Munzvimbo pfupi mumakamuri akagadzirwa nemanzwi, maspika ePA anowana mamakisi akanaka eSTI (kazhinji >0.60). Zvisinei, munzvimbo dzakakura, dzinoita reverberant, kupararira kwakakura kwespika yePA kunofadza nzvimbo yekuridza reverberant yekamuri, zvichikonzera manzwi anopindirana anoparadza STI zvakanyanya.
Vatauri veHorn vanonyanya kugona kuchengetedza maSTI akawanda panguva refu munzvimbo dzine ruzha. Nekuganhurira simba rehorn kudanda rakamanikana, horn speaker inoderedza kupenya kubva padenga nemadziro emativi. Zvisinei, iyi acoustic profile inoita kuti horn speakers dzisakodzere kurira mimhanzi yemhando yepamusoro, sezvo kushaikwa kwebass uye midrange yakawandisa kunogona kukonzera kuneta kwevateereri kana zvikashandiswa pamimhanzi inogara ichirira.
Mutengo, kugara kwenguva refu, uye kukosha kwehupenyu
Kubva pamaonero emari inoshandiswa (CAPEX), matauri ePA ekutengeserana anowanzo kudhura zvishoma payuniti imwe neimwe (kazhinji $40 kusvika $150 USD) pane matauri ehorn emuindasitiri. Zvisinei, kukosha kwawo muhupenyu kunoenderana zvakanyanya nenzvimbo; kuisa matauri ePA emukati munzvimbo dzine hunyoro hwakawanda kana nzvimbo dzekunze zvinoda kutsiviwa nguva nenguva (kazhinji zvichikundikana mukati memakore maviri kusvika matatu).
Matauri epakona anomiririra mari yekutanga yepamusoro ($100 kusvika $400+ USD) asi anopa kugara kwenguva refu uye kukosha kwehupenyu munzvimbo dzinoda kushanda zvakanyanya, kazhinji ane hupenyu hwemakore gumi nemashanu kusvika makumi maviri. Zvinhu zvakaita seUV-stabilized polycarbonate uye spun aluminium zvinodzivirira zvakanyanya kuparadzwa kwezvakatipoteredza. Uyezve, madhiraivha mazhinji ekumanikidza ane ma diaphragm ezwi anotsiviwa nemunda, zvichibvumira mainjiniya kugadzirisa dhiraivha yakaputika nemari shoma pane yespika itsva.
Maitiro Ekusarudza Mutauri Akakodzera
Kusarudza tekinoroji yakakodzera yezwi rinonzwika ibasa rine mabasa akawanda rinoda kuongorora manzwi ekuvaka, zvirambidzo zveinjiniya yemagetsi, uye mitemo yekutevedzera kuchengetedzeka kwehupenyu. Vanobatanidza vanofanirwa kugadzira array yakapararira inopa kufukidza kwakafanana, inosangana nechiyero chinodiwa chechiratidzo-ku-ruzha (chinangwa chakajairwa i +10 dB kusvika +15 dB pamusoro peruzha rwemhepo), uye inobatanidzwa zvakachengeteka muzvivakwa zviripo zvechivako.
Chikamu chekugadzira chinofanira kutanga nekuongorora nzvimbo yacho zvakadzama kana kuongorora mapurani ekuvaka. Kugadzira maacoustic kunokurudzirwa zvikuru munzvimbo dzakaoma kuti ufanotaura kuti kutungamira kwehwamanda kana kupararira kwakakura kwemutauri wePA kuchabatana sei nemiganhu yemukamuri.
Gadzirisa rudzi rwemutauri zvichienderana nenzvimbo uye vateereri
Matrix yekutanga yekusarudza zvakakosha inosanganisira kuenzanisa transducer neruzha rwenharaunda uye chiitiko chikuru chevateereri. Vanobatanidza vanofanirwa kuyera avhareji uye mazinga epamusoro eruzha rwenharaunda (mu dB-A) yenzvimbo.
| Zvakatipoteredza | Ruzha Rwekunze Rwakajairika (dB-A) | Rudzi rweSipika Rinokurudzirwa | Kuronga Mapeji eTarget SPL (dB-A) |
|---|---|---|---|
| Hofisi yeKambani / Raibhurari | 40 dB – 50 dB | Denga/Uso PA | 55 dB – 65 dB |
| Chitoro Chekutengesa / Resitorendi | 60 dB – 70 dB | Sirin'i/Pendant PA | 75 dB – 85 dB |
| Garaji rekupaka mota reManispa | 75 dB – 85 dB | Nyanga Inotungamira | 90 dB – 100 dB |
| Kugadzira / Yadhi yeNjanji | 85 dB – 95+ dB | Nyanga Inobuda Nesimba | 100 dB – 110+ dB |
Kana nzvimbo yacho iri pasi pezvitoro ine ruzha rwe65 dB, network yemaspika ePA anoiswa padenga ichapa nyore nyore peji yakajeka uku ichichengetedza mhinduro yakakura inodiwa pamimhanzi yepamusoro.
Kusiyana neizvi, kana nzvimbo iyi iri garaji rekupaka mota remuguta rine ruzha rwe85 dB nekuda kwekufamba kwemotokari, mutauri wePA anogona kutadza kutumira mashoko akajeka. Sisitimu iyi inofanira kushandisa maspika anorira akananga munzira dzekutyaira kuti ibvise ruzha rweinjini uye kudzora simba reacoustic, zvichidzivirira kuti isasvetuka-svetuka kubva paslabs dzekongiri. Muchiitiko ichi, vateereri vanongoda kunzwa mirairo yekubuda kana yambiro dzekuchengetedza.
Tarisa simba, impedance, chiyero chemamiriro ekunze,
uye zvinodiwa zvekuisa kuti uve nechokwadi chekuti nharembozha inogara kwenguva refu. Kana zvinodiwa zvekunzwa zvazadzikiswa, simbisa kuti spika yakasarudzwa inoenderana nemasimba eamplifier (kuchengetedza 20% headroom margin) uye chimiro che impedance chesystem (semuenzaniso, 70V/100V vs. 8-ohm). Pamusoro pezvo, nyatsoongorora chiyero cheIP (Ingress Protection). Kunyange hazvo maspika ehorn achibudirira mumamiriro ezvinhu akaoma, vagadziri vazhinji ikozvino vanopa maspika ehorn anodzivirira mamiriro ekunze, IP55-rated direct-radiating PA speakers ekunze. Kusiyana neizvi, maspika ehorn anowanzoiswa mukati medzimba munzvimbo dzine ruzha, dzinorira senge mafekitori ekugadzira. Pakupedzisira, sarudzo pakati pespika yePA nehorn speaker inoderera pakuenzanisa kuvimbika kweaudio nekugadzirwa kwakagadzirwa uye kutungamira. Nekuongorora ruzha rwemhepo, daro rinodiwa rekukanda, uye zviri mukati meaudio, vagadziri vesystem vanogona kushandisa tekinoroji yakakodzera yekutaurirana kwakajeka uye kwakavimbika.
Zvinhu Zvinokosha Zvaunofanira Kuziva
- Shandisa masipika ePA anopenya zvakananga kana uchida kufukidzwa kwakafara uye kwechisikigo kwezwi nemimhanzi munzvimbo dzakasiyana-siyana, kazhinji kacho kunosvika 60 Hz kusvika 20,000 Hz.
- Shandisa maspika ehoni kana chinhu chikuru chiri chekuratidza inzwi zviri kure, kunyanya munzvimbo dzine ruzha, dzekunze, kana dzemaindasitiri.
- Ronga kufukidzwa nekuparadzira: maspika mazhinji ePA anoparadzira ruzha pakati pe90° ne120°, nepo maspika ehoni anogona kutarisisa kubuda kwenzwi kusvika pa60° ne40° kana kuti zvishoma.
- Pakukurumidzira uye kuzivisa vanhu vakawanda, gadzirai zvinhu zvinonzwisisika zvakaita seSTI iri pamusoro pe0.50 pane kungotaura zvine ruzha chete.
- Dzivisa kushandisa maspika ehoni semaspika emimhanzi akazara nekuti mamodheru mazhinji anorasikirwa nemhepo ine ruzha rwakaderera zvakanyanya pasi pe300 Hz.
- Enzanisa rudzi rwemutauri nemamiriro enzvimbo, kusanganisira ruzha rwemhepo, daro rekukanda, kukwirira kwedenga, kusvibiswa kwemamiriro ekunze, uye zvinodiwa munzvimbo ine njodzi.
Mibvunzo Inowanzo bvunzwa
Mutauri wePA akafanana here nemutauri wehorn?
Hazvisi chaizvo. Mutauri wePA kazhinji izwi rakafara, asi muruzha rwakapararira rinowanzoreva mutauri anoburitsa ruzha zvakananga. Mutauri wehorn anoshandisa muchina wekudzvanya uye horn yakapfava kuti abudise ruzha kure uye zvinobudirira.
Ndinofanira kusarudza rini spika yehoni?
Sarudza sipika yehoni yekutarisa mapeji ari kure, nyevero dzenjodzi, nzvimbo dzekunze, kana nzvimbo dzemaindasitiri dzine ruzha uko kunzwisisa kwekutaura uye kuratidzira kwacho kunokosha kupfuura kunaka kwemimhanzi.
Ndirini panonyanya kunaka kushandisa mutauri wePA?
Mutauri wePA wakajairika uri nani pakutaura ruzha rwakakura uye rwechisikigo, kunyanya uko mimhanzi, zviziviso, uye kunyorwa kwezwi kwakaringana zvinodiwa mumahofisi, makampasi, muzvitoro, kana munzvimbo dzemukati.
Sei matauri ehoni akajairika munzvimbo dzemaindasitiri?
Matauri epaHorn anoshanda zvakanaka, anotungamira, uye anokwanisa kushandura ruzha rwakanyanya. Izvi zvinoita kuti ashande mumigodhi, mafuta negesi, kutakura, kuvaka, ngarava, nedzimwe nzvimbo dzakaoma.
Ko maspika ehorn anoburitsa bass zvakanaka here?
Kazhinji kwete. Matauri eHorn akagadzirirwa kuratidzira inzwi uye anowanzo rira zvakanyanya pasi pe300 Hz, nepo matauri mazhinji ePA achigona kutaura zvakawanda, kazhinji ari pakati pe60 Hz kusvika 20,000 Hz.
Nguva yekutumira: Chikumi-18-2026