Amakosa Akunze Kugaragara Mu Guhitamo Indangururamajwi Zo Hanze

Impamvu guhitamo indangururamajwi zo hanze ari ingenzi

Guhitamo indangururamajwi yo hanze bikubiyemo ibintu bigoye cyane bijyanye n'amajwi n'ibidukikije. Ikosa rikunze kugaragara mu nganda ni ugufata ibi bikoresho nk'ibikoresho bicuruzwa, bigatuma bitamenyekana neza, ntibikwirakwizwe neza, ndetse bigatuma hatabaho gucika intege vuba. Abahuza sisitemu bagomba gusuzuma fiziki y'amajwi hamwe n'imbogamizi zihariye z'aho bakorera kugira ngo birinde ivugurura rihenze. Iyo abayobozi b'imishinga basuzuguye ibisabwa bikomeye byo gukwirakwiza amajwi yo hanze, bashobora gushyira sisitemu zidashobora kwinjira mu busitani bw'urusaku cyangwa zigashira vuba bitewe n'ingaruka mbi z'ibidukikije. Kumenya imiterere y'ingenzi y'iyi nzira yo guhitamo ni intambwe ya mbere yo kubaka uburyo bworoshye kandi bwumvikana.ijambo rusangecyangwa ibikorwa remezo bigamije umutekano w'ubuzima.

Sobanura intego z'umushinga n'ingero z'imikoreshereze yawo

Ikosa rya mbere akenshi riba mu ntego z’umushinga zitarasobanuka neza. Indangururamajwi zo hanze zikora imirimo itandukanye, kuva ku gucuranga indirimbo zisanzwe no gucuranga umuziki w’inyuma kugeza ku buryo bwihutirwa bwo gutanga amajwi. Buri porogaramu isaba ibipimo bitandukanye by’imikorere. Urugero, sisitemu yo gutanga amajwi igomba kubahiriza amahame akomeye agenga umutekano w’ubuzima, nka EN 54-24 cyangwa UL 1480, isaba ibyuma byihariye birwanya umuriro, ibyuma bitanga ubushyuhe, n’imiterere yihariye yo gukwirakwiza amajwi. Ibinyuranye n’ibyo,umuvuduko w'amapaji y'ingandabishobora gushyira imbere umusaruro mwinshi kuruta gutanga umusaruro mwinshi cyangwa ubushobozi bwo kubaho kw'inkongi. Kunanirwa gusobanura ibi bintu bikoreshwa mu ntangiriro z'umushinga akenshi bituma hagaragazwa umuvugizi udafite intera ikenewe kugira ngo avuge neza cyangwa udafite ibyangombwa bisabwa n'amategeko.

Suzuma aho abantu bahurira, urusaku rungana, n'intera y'abatega amatwi

Gusuzuma agace gashyirwamo amajwi bisaba kubara neza intera y'abumva n'urusaku rwo mu kirere, nyamara inzobere nyinshi zishingikiriza ku bipimo by'ubuziranenge aho gukoresha amakuru y'amajwi y'ubuhanga. Itegeko ry'uburengerazuba rigena ko urwego rw'umuvuduko w'amajwi (SPL) rugabanukaho 6 dB kuri buri ntera ikuba kabiri mu murima wigenga. Iyo indangururamajwi yo hanze ikora 110 dB kuri metero 1, SPL izagabanuka ikagera kuri 86 dB kuri metero 16, ikongera ikagabanuka ikagera kuri 80 dB kuri metero 32. Byongeye kandi, amahame asanzwe yo gushushanya amajwi ategeka ko amajwi agomba kurenza nibura urwego rw'urusaku rwo mu kirere ho 10 kugeza kuri 15 dB kugira ngo hamenyekane neza ko imvugo yumvikana. Mu nganda zifite urusaku rwo mu kirere rwa 85 dBA, indangururamajwi igomba gutanga nibura 95 dBA ku gutwi k'umwumva. Kwirengagiza ibi bipimo byanze bikunze bitera uturere tudakora cyangwa amajwi adasobanutse neza kuko amplifiers zishyirwa mu gukata kugira ngo zisubize igenamigambi ridahagije ry'amajwi.

Ibisobanuro by'ingenzi byo kugereranya

Kugereranya ibipimo bya tekiniki ni icyiciro cy'ingenzi aho isuzuma ridasanzwe rikunze gutuma habaho ibibazo mu buryo bw'imikorere. Amatsinda ashinzwe gutanga amasoko akunze kunanirwa gusuzuma amanota y'ingufu muri watts, mu buryo butari bwo agagereranya imbaraga nyinshi n'umusaruro mwiza w'amajwi. Gusobanukirwa neza ibipimo bya electro-acoustic birakenewe kugira ngo ibikoresho byatoranijwe bihuze n'ukuri kw'ahantu ho gukwirakwiza.

Sobanukirwa SPL, ubushobozi bwo kumenya ibintu, ubushobozi bwo gupima imbaraga, na impedance

Igipimo cy'ingenzi cyane ku ndangururamajwi iyo ari yo yose yo hanze ni ubushobozi bwo kumva, bupimirwa muri decibel kuri watt 1 na metero 1 (dB @ 1W/1m). Indangururamajwi ikora neza cyane ifite ubushobozi bwo kumva bwa 110 dB izakenera imbaraga nke cyane zo gutera inkunga kugira ngo igere kuri SPL y'intego ugereranije n'icyitegererezo gifite ubushobozi bwo kumva bwa 95 dB. Abahanga mu by'imashini bagomba kubara SPL ntarengwa bakurikije ubushobozi bwo kumva no kumenya imbaraga z'inyongera aho kureba imbaraga z'inyongera. Byongeye kandi, guhuza impedance ni ingenzi cyane. Nubwo indangururamajwi za 8-ohm zikwiriye gukoresha ingufu ngufi, zikoresha ingufu nke, ibikoresho binini byo hanze byishingikiriza kuri sisitemu z'amajwi za 70V cyangwa 100V zikwirakwijwe kugira ngo bigabanye igabanuka ry'amashanyarazi ku burebure bwa insinga nini. Guhitamo imiterere mibi ya transformer tap cyangwa kudahuza impedance y'umurongo wose bishobora kwangiza imikorere cyane, guteza ihindagurika, cyangwa kwangiza ibikoresho byo gutera inkunga mu buryo bukabije.

Suzuma uburyo ibintu biyoborwa, uburyo bisubirwamo inshuro nyinshi, n'uburyo imvugo isobanutse neza

Ubushobozi bwo kumva bushingira cyane ku buryo ijwi rikoreshwa mu ijwi rigana ku murongo n'uburyo rikoreshwa mu ijwi rigana ku murongo. Indangururamajwi zikoresha ijwi rigana ku murongo zishingiye ku cyerekezo; inguni isanzwe ishobora kuba dogere 60 mu buryo butambitse na dogere 40 mu buryo buhagaze. Kudashyira mu gaciro kuri iki gipimo cy’inzira (Q) bituma habaho imirasire mito y'amajwi ibura abayumva mu ruhande, bigatuma habaho ahantu hashyushye cyane mu ijwi n'uturere dupfuye. Uburyo bwo kumva ijwi rigana ku murongo ni ingenzi cyane. Nubwo amajwi asanzwe akoreshwa mu ijwi akoresha hagati ya 300 Hz na 8 kHz—ahagije mu kohereza ijwi ry'umuntu—ntiyahagije mu majwi yose. Amajwi y'umuziki akoresha imiyoboro minini n'imiterere y'amajwi y'inzira ebyiri kugira ngo yongere igisubizo kuva kuri 100 Hz kugeza kuri 15 kHz. Amaherezo, ibi bintu birangira kuri Speech Transmission Index (STI). STI y'ingenzi ya >0.5 muri rusange irakenewe kugira ngo ijwi ryumvikane neza mu buryo bw'itumanaho rusange, iki gipimo kidashobora kugerwaho niba uburyo ijwi rikoreshwa mu ijwi cyangwa uburyo rikoreshwa mu ijwi rigana ku murongo budahuye n'umwanya w'ijwi.

Koresha imbonerahamwe yo kugereranya kugira ngo ushyire mu buryo bunoze ibipimo

Kugira ngo ibi bisobanuro bibe bya buri gihe kandi hirindwe imvugo ikoreshwa n’uruganda, abahuza bagomba gukoresha uburyo bwo kugereranya ibintu buri gihe. Ibi byemeza ko ibintu nk’uburyo bwo kumva ibintu bipimwa mu bihe bimwe (urugero, 1W/1m kuri axis) kandi ko inguni z’ikwirakwizwa zigaragazwa ku murongo uhoraho, ubusanzwe 2 kHz.

Gukoresha ubu buryo bituma abashushanya bashobora kubona vuba ibintu bitagenda neza, nk'uruganda ruvuga ko rufite ubushobozi bwo gukwirakwiza ibintu mu buryo burambuye hamwe n'ubushobozi bwo gukoresha imbaraga ndende cyane, ibyo bikaba binyuranyije n'amahame y'ibanze y'ikwirakwizwa ry'ingufu z'amajwi.

Ibisabwa ku bidukikije no kubahiriza amategeko

Ibidukikije byo hanze bituma ibikoresho by'amajwi bikoresha ubushyuhe bwinshi, imiti, n'ibinyabutabire mu gihe kirekire. Ikosa rikunze kugaragara ni ugushyira imbere imikorere y'amajwi mu gihe birengagiza gukomera gukenewe kugira ngo bishobore kwihanganira ibi bibazo bikomeye. Kwirengagiza ibisabwa ku bidukikije no kubahiriza amategeko byemeza kwangirika vuba, kwiyongera kw'amafaranga yo kubungabunga, ndetse n'inshingano zishobora guterwa n'amategeko.

Reba amanota ya IP, ibikoresho, n'uburyo bwo kurinda ingese

Ibipimo byo kwirinda kwinjira (IP) ni byo bya mbere mu kwirinda, nyamara abashushanya sisitemu bakunze kubisobanukirwa nabi.Igipimo cya IP65irinda amazi anyura mu kirere adafite umuvuduko muke, ariko ibikoresho bishyirwa mu kirere bihura n'inkubi y'umuyaga mwinshi, amazi agwa mu mazi, cyangwa ibidukikije byo mu mazi bisaba icyemezo cya IP66 cyangwa IP67 kugira ngo habeho ubudahangarwa bw'umukungugu n'amazi afite umuvuduko mwinshi. Ubuhanga mu by'ibikoresho bugira uruhare runini. Plasitike isanzwe ya ABS irangirika iyo imaze igihe kinini ihura n'imirasire ya ultraviolet (UV), iracika intege kandi ikangirika mu miterere yayo mu myaka ibiri cyangwa itatu. Kugira ngo irambe, ibizingo bigomba gukoresha polycarbonate ihamye ya UV, plastiki ishyigikiwe na fiberglass (FRP), cyangwa aluminiyumu ipfutse. Mu nkombe z'inyanja cyangwa mu nganda zikomeye, kurinda ingese ni ingenzi cyane; ibizingo n'ibikoresho bigomba gukorwa mu cyuma cya 316L cy'amazi, gishobora kunyura mu igeragezwa rya spray y'umunyu ya ASTM B117 nibura amasaha 500 nta ngese itukura.

Sisitemu za Plan 70V cyangwa 100V hamwe n'icyumba cyo hejuru cy'imashini zitera imbaraga

Gushyira mu bikorwa sisitemu zikwirakwiza za 70V cyangwa 100V bisaba igenamigambi rikomeye ry'amashanyarazi kugira ngo harebwe impinduka mu bidukikije nko guhinduka cyane k'ubushyuhe, bihindura ubukana bw'insinga n'imikorere y'umutwaro. Ikosa rikomeye mu miterere ya sisitemu ni ukudashyiramo umutwe uhagije wa amplifier kugira ngo ukemure uku guhinduka ndetse n'imikorere mibi ya transfoma zigenda zimanuka. Imikorere myiza mu nganda isaba nibura 20% by'umwanya wo hejuru. Niba circuit irimo indangururamajwi makumyabiri zo hanze zikora kuri 30W imwe, umutwaro wose ni 600W; amplifier ijyanye nayo igomba kuba ifite nibura 720W kugira ngo hirindwe gukata, kugoreka no gushyuha cyane mu gihe cy'imitwaro y'amajwi ikora cyane. Byongeye kandi, gukoresha insinga ndende hanze bitera igihombo gikomeye, bisaba insinga nini cyane—nka 12 AWG cyangwa 14 AWG—kugira ngo voltage ikenewe igere ku ndangururamajwi iri kure cyane ku mupaka.

Suzuma imipaka y'urusaku, amategeko yo gushyiraho, n'amahame y'umutekano

Gukurikiza ibidukikije birenze ubuzima bw'umuvugizi, ahubwo binakubiyemo ingaruka z'amajwi ku gace kawukikije. Inganda zigomba gukurikiza amabwiriza akaze y'umutekano mu kazi, nka OSHA standard 1910.95, igena urusaku rwinshi mu kazi. Ariko, ibimenyetso byo kuburira bigomba gukomeza kwinjira mu rusaku rw'imashini kugira ngo bigire akamaro. Ku rundi ruhande, amategeko y'urusaku mu nzego z'ibanze akunze kubuza urusaku rw'amajwi ku murongo w'ubutaka, akenshi agashyira imyuka ihumanya kuri 60 kugeza kuri 65 dBA mu masaha ya saa sita ndetse no kugabanuka nijoro. Kugereranya ibi bisabwa bivuguruzanya bisaba inguni zihamye zo gushyiraho, kubara umanuka, no gushyiraho indangururamajwi nyinshi zifite wattage iri hasi zikwirakwizwa ku buryo bungana ahantu hose, aho kwishingikiriza ku ijwi rimwe, rirenga ku rusaku rw'amajwi rwinshi.

Isuzuma ry'Ikiguzi cy'Umutanga n'Umukoresha

Isuzuma ry’ikirangurura cyo hanze kigomba kurenza urupapuro rw’ibisobanuro bya tekiniki kugira ngo kigaragaze ubushobozi bw’umucuruzi mu gukora n’ikiguzi cyose cy’umutungo (TCO). Kwibanda gusa ku giciro cy’ibanze cy’imigabane ni ingamba yo gutanga amasoko idashingiye ku bitekerezo birambuye, ihora yongera ikiguzi cy’ibikorwa by’igihe kirekire binyuze mu gusimbuza kenshi no kudashyigikira abacuruzi neza.

Baza ibibazo byo gushaka isoko bigaragaza ireme ry'inyubako

Gusuzuma ubuziranenge bw'inyubako bisaba kubaza ibibazo by'inyongera ku isoko byinjira mu bitabo by'ubucuruzi by'uruganda. Abaguzi bagomba kubaza ku bikoresho byihariye bikoreshwa mu guteranya umushoferi imbere. Urugero, amajwi apfundikiye ku byuma bya Kapton cyangwa fiberglass bihangana n'ubushyuhe buri hejuru cyane ugereranije n'ibyuma bisanzwe bya aluminiyumu, bigabanya cyane ibyago byo gucika intege kw'ubushyuhe mu gihe cy'umutwaro uhoraho kandi mwinshi. Mu buryo nk'ubwo, guhitamo hagati ya neodymium na ferrite magnets bigira ingaruka ku buremere bw'umuvuduko w'ijwi, uburyo bwo gukurura ibyuma, no kugumana ingufu igihe kirekire mu bushyuhe bukabije. Amatsinda ashinzwe gutanga amasoko agomba kandi gusaba amakuru y'ubuhanga ku mikorere y'igerageza ry'uruganda n'ibipimo by'ubusembwa bwa kera; ikigo cyemewe cya OEM kigomba kugaragaza igipimo cy'ubusembwa kiri munsi ya 0.5% mu majwi yo hanze, gishyigikiwe n'uburyo bukomeye.kugenzura ubuziranengeinyandiko.

Gereranya igihe cyo gutanga, ibikoresho bisimbura ibindi, gupakira, n'ibyemezo

Inkunga y’ibikoresho n’iy’inkunga nyuma yo gushyiraho ibikoresho igira ingaruka zikomeye ku mukozi ushinzwe ikoranabuhanga mu ishyirwa mu bikorwa ry’ibikoresho rinini. Mu gihe cyo gushaka ingano nini y’imishinga ya kaminuza cyangwa iy’umujyi, abaguzi bagomba gusuzuma umubare ntarengwa w’abatanga ibikoresho (MOQ), ubusanzwe uri hagati ya 50 na 200 kugira ngo bakore ibintu byihariye cyangwa bahuze amabara runaka. Igihe cyo gutanga ibikoresho ni ingenzi cyane, kuko gutinda gutanga ibikoresho bishobora guhagarika imishinga yose y’ibikorwa remezo no gutinza imirimo y’inyubako. Byongeye kandi, abaguzi bagomba kugenzura ko ibikoresho bisimbura ibikoresho bihari, cyane cyane ibyuma bisimbura ibyuma. Indangururamajwi yagenewe gusana imirima yongera ubuzima bw’umutungo kandi bikuraho gukenera gusimbuza ibikoresho byose. Amaherezo, kugenzura ibyemezo mpuzamahanga—nk’ibijyanye na CE, RoHS, na UL—bituma ibicuruzwa byuzuza amabwiriza y’ingenzi y’umutekano n’ibidukikije, bigabanye ibyago by’amategeko n’iby’iyubahirizwa ry’amategeko ku muntu uhuza sisitemu n’umukoresha wa nyuma.

Inzira y'ibikorwa byo guhitamo

Kugira ngo hirindwe ingorane zo kugura ibintu mu buryo butunguranye, abahuza n'abajyanama mu by'amajwi bagomba gukoresha uburyo buhamye kandi bunoze bwo guhitamo indangururamajwi zo hanze. Ubu buryo bwo gukoresha butuma ibintu byose bihindagurika mu by'amajwi, ibidukikije, n'imari bipimwa neza, bigatuma habaho ishyirwa mu bikorwa ryujuje ibisabwa mu mikorere nta mafaranga akenewe.

Kurikiza intambwe ku yindi ubushakashatsi bw'ahantu n'uburyo bwo kubisobanura

Iyi gahunda itangirira ku bushakashatsi burambuye ku kibanza, burenze igishushanyo mbonera cy’ibanze cy’ubutaka, bugashyiramo amakuru y’imiterere y’ubutaka, imbogamizi z’ubwubatsi, n’amakarita y’urusaku rw’ikirere. Abahanga mu by’ubwubatsi bagomba gukoresha porogaramu yo kwigana amajwi, nka EASE (Enhanced Acoustic Simulator for Engineers), kugira ngo bagaragaze imiterere y’amajwi atandukanye aturuka mu kirere cyihariye cya 3D. Iyi gahunda ikubiyemo gushyiramo imirongo nyayo, inguni zigamije, n’amakuru ya SPL y’amajwi atangwa kugira ngo hakorwe amakarita y’ubushyuhe bw’amajwi aturuka mu kirere. Mu kwigana ibidukikije mbere yo kugura, abashushanya bashobora kumenya igicucu cy’amajwi inyuma y’imiterere no kwemeza ko igipimo cy’imvugo (STI) cya >0.5 kigerwaho mu turere twose tw’abumva, bigakuraho neza gukekeranya mu buryo bugenwa.

Koresha imbonerahamwe y'ibyemezo kugira ngo ugereranye amahitamo y'abavuga

Iyo moderi zishobora kuboneka binyuze mu kwigana, matrix y’ibyemezo ifite uburemere itanga urwego rw’intego zo guhitamo bwa nyuma. Iki gikoresho gihuza ibintu bihanganye kandi kikabishyira mu bikorwa byihariye by’umushinga, kikarinda kubogama ku bipimo bimwe bitangaje nka wattage yo hejuru cyangwa igisubizo gito cyane.

Mu gutanga amanota (urugero, ku gipimo cya 1 kugeza kuri 5) kuri buri gipimo cy’umuvugizi hakurikijwe ibi bipimo biremereye, amatsinda ashinzwe gutanga amasoko ashobora gutanga urutonde rushobora kubarwa rugaragaza icyemezo cya nyuma cyo kugura ku bafatanyabikorwa b’umushinga n’abagenzuzi b’imari.

Hitamo igihe cyo gushyira imbere ikiguzi, kuramba, cyangwa imikorere

Intambwe ya nyuma mu mikorere ni ukumenya igihe cyo kubangamira n'igihe cyo gushyira imbere ibintu byihariye bishingiye ku buzima bw'umushinga. Mu gushyiraho by'agateganyo cyangwa imishinga ifite ingengo y'imari nke cyane, kugabanya Ikoreshwa ry'Imari (Capex) bishobora gusaba guhitamo amahoni asanzwe ya ABS hamwe n'igihe cy'imyaka 3 kugeza kuri 5 giteganyijwe. Ariko, ku bikorwa remezo by'ingenzi, inganda, cyangwa ahantu ho gutwara abantu, gushyira imbere kuramba no gukora neza ntibishobora kuganirwaho. Muri ibi bihe, gushora imari mu byuma bitanga amajwi byo mu mazi bifite ibipimo by'ubwenge bihanitse bigabanya Ikoreshwa ry'Ibikorwa (Opex) binyuze mu kugabanya ishyirwaho ry'ibikorwa byo kubungabunga, gusana byihutirwa, n'ingaruka z'inshingano. Kumenya ko urusobe rw'amahoni yo hanze akenshi ari ishoramari ry'ibikorwa remezo ry'imyaka 10 kugeza kuri 15 aho kuba ikintu cyoroshye gukoresha ni bwo buryo bwo kwirinda amakosa ahenze yo guhitamo.

Ibintu by'ingenzi byakunzwe

• Sobanura niba indangururamajwi ikoreshwa mu guhamagara amajwi asanzwe, amajwi y'inyuma, cyangwa amajwi yihutirwa mbere yo kugereranya moderi cyangwa ibyemezo.
• Ntukishingikirize ku bushobozi bwo gukoresha amazi gusa; shyira imbere ubushobozi bwo kugaragaza imiterere y'amashanyarazi, SPL ntarengwa, impedance, gukwirakwira, ubwiyongere bw'ingufu, no kurengera ibidukikije.
• Barura SPL ku ntera nyayo y'uwumva kuko urwego rw'amajwi yo hanze rukunze kugabanukaho 6 dB buri gihe intera yikuba kabiri.
• Igishushanyo mbonera cy’uko ijwi ryumvikana neza, gishingiye ku buryo amajwi atangwa muri rusange ari hagati ya 10 na 15 dB hejuru y’urusaku rwo mu kirere.
• Hitamo ibikoresho birwanya ikirere, birwanya ingese, cyangwa birwanya guturika mu gihe bishyizwemo bihuye n'imvura, umukungugu, umunyu, ubushyuhe bukabije, cyangwa imyuka iteje akaga.
• Koresha indangururamajwi nyinshi zishyizwe ahantu hakwiye igihe bibaye ngombwa aho gukoresha indangururamajwi imwe nini cyane kugira ngo ipfuke ahantu hose ho hanze.

Ibibazo Bikunze Kubazwa

Ni irihe kosa rikunze kugaragara cyane mu guhitamo indangururamajwi yo hanze?

Ikosa rikunze kugaragara ni uguhitamo ukurikije imbaraga gusa. Ububasha bwo kumva, SPL ku ntera y'abayumva, inguni yo gukwirakwira, urusaku rwo mu kirere, amanota y'ikirere, n'impamyabushobozi zisabwa ni ingenzi cyane kugira ngo umuntu arusheho gusobanukirwa no kuramba mu buzima busanzwe.

Ijwi ryo hanze rikwiye kuba ringana iki kugira ngo ijwi risobanuke neza?

Ku bijyanye no kumva neza cyangwa ubutumwa bwihutirwa, ijwi risohoka mu gutwi k'uwumva rigomba kuba riri hagati ya dB 10 na 15 hejuru y'urusaku rwo mu kirere. Inzu y'inganda ya dBA 85 ishobora gukenera nibura dBA 95 mu mwanya wo kumva.

Kuki intera y'umuvugizi ari ingenzi mu gishushanyo mbonera cyo hanze cya PA?

Mu gihe cyo hanze ahantu hatagaragara, SPL igabanukaho dB 6 buri gihe intera y'uwumva yikubye kabiri. Ihoni ifite uburebure bwa 110 dB kuri metero 1 ishobora gutanga uburebure bwa 86 dB kuri metero 16, mbere y'uko umuyaga, imbogamizi, cyangwa ibibazo byo kuyishyiraho bisuzumwa.

Ese indangururamajwi zo hanze zikwiriye ahantu hashobora guterwa n'inganda zishobora guteza akaga?

Bishobora kuba, ariko gusa iyo byagenwe ku bidukikije. Ahantu nka peteroli na gaze, ubucukuzi bw'amabuye y'agaciro, inyanja, cyangwa ibikoresho bya chimique bishobora gukenera ibikoresho bikomeye, birwanya ikirere, cyangwa birwanya guturika bifite ibyangombwa bifatika nka ATEX, CE, cyangwa FCC.

Ni ibihe bipimo ngomba kugereranya uretse power rating?

Gereranya ubushobozi bwo kumenya ibintu, SPL ntarengwa, impedance cyangwa transformer taps, uburyo bwo gusubiza inshuro nyinshi mu kuvuga, inguni ikwirakwira, kurinda IP/ikirere, kurwanya ingese, ubushyuhe bwo gukora, ibikoresho byo gushyiramo, no kubahiriza amahame ya PA cyangwa umutekano w'ubuzima.