Masisitimu eKero Dzeveruzhinji (PA)anoshandiswa zvakanyanya mumafekitori, muzvikoro, munzvimbo dzekutakura vanhu, uye muzvivakwa zvemabhizinesi pakuzivisa, mimhanzi inonzwika kumashure, uye kutaurirana panguva yenjodzi.
Pakugadzira sisitimu yePA, imwe yemibvunzo inowanzo bvunzwa ndeiyi:
Ndeupi musiyano uripo pakati pemaspika emagetsi asingachinji uye maspika emagetsi asina kusimba?
Mhando dzese dziri mbiri dzinoshandiswa zvakanyanya mumasisitimu eruzha, asi dzinoshanda zvakasiyana zvichienderana nehukuru uye zvinodiwa pakuiswa kwadzo.
Chii Chinonzi Constant Voltage Speakers?
Masipika emagetsi asingaperi anoshandiswa zvakanyanya mumasisitimu makuru ekero dzeveruzhinjiMasisitimu aya anowanzo shanda pa70V kana 100V, ndosaka vachiwanzonziMasisitimu espika e70V/100V.
Muhurongwa hwemagetsi asingachinji, amplifier inoburitsa chiratidzo chemagetsi ane simba guru, uye spika yega yega inetransformer yakavakirwa mukatiTransformer iyi inobvumira vanoisa kuti vasarudze mazinga akasiyana emagetsi akadai se:
3W
6W
10W
20W
Nekuda kwekugadzirwa uku, maspika akawanda anogona kubatanidzwazvakafanana pamwe chete netambo imwe chete.
Mabhenefiti eConstant Voltage Systems
Zviri nyore kubatanidza maspika akawanda
Yakakodzera kutumira odhiyo kure kure
Kugoverwa kwesimba kunochinjika
Dhizaini uye kuiswa kwesystem kuri nyore
Maitiro Akajairika
Maspika emagetsi asingaperi anowanzo shandiswa mu:
mafekitori nenzvimbo dzemaindasitiri
nhandare dzendege nezviteshi zvezvitima
zvikoro nemakampasi
nzvimbo dzekutenga
nzvimbo dzekupaka mota nenzvimbo dzekunze
Nzvimbo idzi dzinowanzodanhamba huru yevatauri nenzvimbo dzakakura dzekufukidza.
Chii Chinonzi Low Impedance Speakers?
Maspika ekudzivirira ane impedance shoma anoshanda pa4 ohms kana 8 ohmsuye batanidza zvakananga kuamplifier pasina transformer.
Masisitimu aya anowanzo shandiswa munzvimbo dzineHunhu hweruzha ndihwo hwakakosha.
Mabhenefiti eSisitimu Yekumira Kwepasi
Hunhu hweruzha huri nani
Kubatana zvakananga neamplifier
Kutamiswa kwesimba zvinobudirira
Maitiro Akajairika
Vatauri velow impedance vanowanzoshandiswa mu:
masisitimu eruzha epamba
makamuri emisangano
maresitorendi nemabhawa
nzvimbo dzemimhanzi yemhenyu
masisitimu enzwi emitambo uye epachikuva
Zvisinei, masisitimu aya anowanzo gadzirwa kutimadiki ekuisa ane masipika mashoma.
Constant Voltage vs Low Impedance: Misiyano Yakakosha
| Chinhu | Vatauriri veVoltage Vanogara Vachingoshanda | Vatauriri veImpedance yakaderera |
| Voltage | 70V / 100V | Mhepo yakaderera |
| Kusagadzikana | Hazvidikanwi | 4Ω / 8Ω |
| Nhamba yeVatauri | Vatauri vakawanda vakatsigira | Zvishoma |
| Kureba kweKutapurirana | Nhanho refu | Kureba kupfupi |
| Kuiswa | Zviri nyore | Inoda kufananidza impedance |
| Kushandiswa Kwakajairika | Masisitimu ePA | Masisitimu eruzha |
Ndeipi Sisitimu Yekutaura Yaunofanira Kusarudza?
Sarudzo pakati pemaspika ane voltage isingaperi uye ane impedance shoma inoenderana nekushandiswa kwayo.
Masisitimu emagetsi asingaperi akanakira kana:
nzvimbo yekuisa yakakura
maspika akawanda anodiwa
kureba kwetambo kwakareba
sisitimu iyi inoshandiswa pakuzivisa kana mimhanzi yekumashure
Masisitimu ekudzivirira kupinza akaderera ari nani kana:
Hunhu hweruzha ndihwo hwakakosha zvikuru
masipika mashoma chete ndiwo anodiwa
nzvimbo yekuisa idiki
Mhedziso
Maspika emagetsi asingaperi uye masipika emhepo akaderera zvakakosha pakugadzira masisitimu enzwi.
Masisitimu emagetsi asingaperindiyo sarudzo yakajairika yekuisa maadhiresi makuru eruzhinji nekuti anotsigira masipika akawanda uye tambo refu.
Masisitimu ekudzivirira akaderera, kune rumwe rutivi, dzakakodzera zviri nani kune masisitimu madiki enzwi uko kunodiwa ruzha rwepamusoro.
Kunzwisisa misiyano iyi kunobatsira mainjiniya nevanogadzira michina kusarudza mhinduro inoshanda zvakanyanya kumapurojekiti avo ePA system.
Nguva yekutumira: Kurume-16-2026