I-RMS kanye Namandla Aphakeme Esisetshenziswa Somsindo Kuyachazwa

Isingeniso

Uma kuziwa ekukhetheni okokusebenza okulalelwayo njengezipikha, ama-amplifiers, noma ama-subwoofers, enye yezinto ezibaluleke kakhulu okufanele icatshangelwe isilinganiso samandla. Amagama amabili okuvame ukuxoxwa ngawo ekucacisweni kwemishini yomsindo ama-watts e-RMS nama-Peak watts. Nakuba la magama womabili emele amandla, akwenza ngezindlela ezahlukene, futhi ukuqonda umehluko phakathi kwawo kubalulekile ekwenzeni ukukhetha okufanele. Kulesi sihloko, sizodalula ukuthi i-RMS ne-Peak watts isho ukuthini, ihluke kanjani, nokuthi kungani ngayinye ibalulekile ekusebenzeni kahle komsindo.

Yini Amandla e-RMS?

Amandla e-RMS (Root Mean Square) asho amandla aphumayo aqhubekayo idivayisi yomsindo, njengesipikha noma iamplifier, engakunikeza ngokuhamba kwesikhathi ngaphandle kokuhlanekezela. Leli nani limelela ukusebenza okungaguquguquki kwedivayisi ngaphansi kwezimo ezivamile zokusebenza. Amandla e-RMS abalwa ngokuklebhula amanani asheshayo esignali, uwalinganise, bese uthatha impande eyisikwele, eqinisekisa ukuthi ukuphuma kwamandla kuzinzile futhi kuthembekile ngokuhamba kwesikhathi.

Isibonelo, uma isipikha sinesilinganiso se-RMS esingu-70-watt, kusho ukuthi isipikha singakwazi ukuphatha ama-watts angu-70 aqhubekayo ngaphandle kokuhlanekezela. Lokhu ukucatshangelwa okubalulekile lapho kuhlolwa ukusebenza kwesikhathi eside kwesistimu yomsindo, njengoba kunikeza inkomba engokoqobo yokuthi idivayisi izosebenza kanjani phakathi nokusetshenziswa okunwetshiwe.

Iyini iPeak Power?

Amandla aphezulu, ngakolunye uhlangothi, abhekisele enanini eliphezulu lamandla idivayisi yomsindo engawaphatha ngokuqhuma okufushane. Imele amandla aphakeme kakhulu idivayisi engawakhipha nganoma isiphi isikhathi ngaphandle kokudala umonakalo. Nokho, amandla Aphakeme awabonisi ikhono ledivayisi lokuphatha okukhipha umsindo okuqhubekayo; ikala kuphela umthamo wedivayisi wokuphatha ama-spikes noma ukuqhuma kwamandla okungazelelwe.

Isibonelo, isipikha esinesilinganiso esiphezulu esingu-100-watt singaphatha amandla afinyelela kwangu-100 ngesikhashana esifushane kodwa asikwazi ukusekela lelo zinga esikhathini eside. Amandla aphezulu awusizo ekuhloleni ukuthi isipikha noma isikhulisi singayiphatha kanjani imisindo enomsindo engazelele noma izinguquko eziguqukayo kusignali yomsindo, njengokuqhuma kwefilimu noma iziqongo ezisheshayo zomculo.

Umehluko Obalulekile Phakathi kwe-RMS kanye Namandla Aphakeme

Amandla e-RMS kuzipikha

Kumongo wezikhulumi, amandla e-RMS angenye yezinto ezibaluleke kakhulu okufanele zicatshangelwe lapho kunqunywa ukuthi mangakanani amandla aqhubekayo isipika esingawaphatha ngaphandle kokubangela ukuhlanekezela. Ngokungafani namandla aphezulu, akala kuphela ukuqhuma okufushane kwamandla, amandla e-RMS abonisa ikhono eliqhubekayo lesipika ukuze likhiphe ileveli ethile yamandla esikhathini eside. Lokhu kubaluleke kakhulu kumasistimu omsindo adinga okukhipha umsindo okungaguquki, wekhwalithi ephezulu.

Isibonelo, isipikha esilinganiselwe ku-100 watts RMS sisho ukuthi singaphatha ngokuthembekile okokufaka kwamandla okungama-watts angu-100 ngaphandle kokuphazanyiswa noma ukulimala. Lokhu kubalulekile ekuqinisekiseni ukuthi isipikha senza kahle phakathi nezikhathi zokulalela ezinwetshiwe, lapho izimfuno zamandla zihlala njalo, njengamasistimu etiyetha yasekhaya, amasistimu okuqinisa umsindo ochwepheshe, noma amakhonsathi abukhoma.

Kungani Amandla e-RMS Abalulekile Ngokusebenza Komsindo

Amandla e-RMS adlala indima ebalulekile ekunqumeni ikhwalithi nokuthembeka kokuphuma komsindo wesipika. Njengoba i-RMS ibonisa ukuphathwa kwamandla okuqhubekayo, ibonisa ukuthi isipikha singasekela kanjani ukusebenza kwaso ngaphandle kokuhlanekezela noma ukushisa ngokweqile. Lokhu kubaluleke kakhulu ezimeni lapho izimiso zomsindo zisebenza ngevolumu ephezulu isikhathi eside, njengalapho kudlalwa bukhoma noma ezindaweni ezinkulu zomphakathi.

Uma isipikha sisetshenziswa ngaphakathi kwesilinganiso saso se-RMS, sizohlinzeka ngokukhiqiza kabusha komsindo okucacile, okunembile kulo lonke uhla olubanzi lwamafrikhwensi, ngaphandle kokuhlanekezela okubonakalayo noma ukulahleka kwekhwalithi yomsindo. Kodwa-ke, uma isipikha sishayelwa ngaphezu komthamo waso we-RMS, singabangela izingxenye zesipika, njengekhoyili yezwi noma i-diaphragm, zishise kakhulu futhi ziholele ekulimaleni okungapheli. Ngakho-ke, ukukhetha izikhulumi ezinezilinganiso ezifanele ze-RMS kuqinisekisa ukuthi zizohlinzeka ngokusebenza okuthembekile iminyaka.

Ukufanisa Amandla e-RMS nama-Amplifaya

Isici esisodwa esibalulekile okufanele sicatshangelwe lapho uthenga izipikha ukufanisa isilinganiso samandla e-RMS ezipikha ezinamandla okukhiphayo we-amplifier. Amandla e-RMS yesikhulumi kufanele afane noma abe phezulu kancane kunesilinganiso se-RMS yesipika ukuze kugwenywe ukulimaza izipikha noma isikhulisi. Uma i-amplifier inikeza amandla amaningi (okungukuthi, idlula isilinganiso se-RMS yesipika), ingaholela ekuhlanekeni, noma okubi nakakhulu, ishaye izingxenye zesipika. Ngakolunye uhlangothi, uma amandla esikhulisamandla siphansi kakhulu, singase singakwazi ukushayela izipikha amandla azo aphelele, okuholela kukhwalithi yomsindo ephansi kanye namaleveli evolumu anganele.

Isibonelo, isikhulisi se-RMS esingu-150-watt esibhangqwe nesipikha se-RMS esingu-100-watt ngokuvamile singavikeleka, inqobo nje uma isikhulisi singashayeki kakhulu ngokuqhubekayo. Kodwa-ke, ukubhanqa isikhulisi se-RMS esingu-500-watt nesipika se-RMS esingu-100-watt kungaholela engcupheni enkulu, njengoba isipikha singaklanyelwe ukuphatha amandla angaka isikhathi eside.

Ukuqonda Amandla e-RMS Ezinhlotsheni Ezihlukene Zomlomo

Isilinganiso samandla e-RMS siyahlukahluka phakathi kwezinhlobo ezahlukene zezikhulumi, kuye ngokusetshenziswa kwazo okuhlosiwe. Izipikha ezinobubanzi obugcwele, eziklanyelwe ukuphatha i-spectrum ebanzi yamaza omsindo, ngokuvamile zinezilinganiso zamandla e-RMS ezimaphakathi ezifanele izindawo zokulalela ezivamile. Ngakolunye uhlangothi, ama-subwoofers, aklanyelwe ukukhiqizwa kabusha kwe-bass yemvamisa ephansi, ngokuvamile adinga izilinganiso zamandla e-RMS aphezulu ngenxa yamandla aphezulu adingekayo ukuze kukhiqizwe imisindo yebhesi ejulile.

Isibonelo, i-subwoofer evamile ingase ibe nesilinganiso se-RMS sama-watts angu-200-400, okubonisa amandla ayo okuphatha amandla aphezulu okukhiqiza imisindo yefrikhwensi enikeza ukujula nokunotha kumsindo. Ngokuphambene, izipikha zeshalofu lezincwadi ezincane noma izipikha zesathelayithi zingase zibe nezilinganiso eziphansi ze-RMS, ezisukela kuma-watts angu-50 ukuya kwangu-100, njengoba zingadingeki ukukhiqiza amandla amaningi uma kuqhathaniswa.

Ibhalansisa Amandla e-RMS Ne-Peak Power

Nakuba amandla e-RMS ebaluleke kakhulu ekuqondeni ukuthi isipikha singenza kahle kangakanani ngokuqhubekayo, amandla aphezulu abaluleke ngokufanayo ekuhloleni ukuthi isipika sikuphatha kanjani ukuqhuma okungazelelwe kwamandla aphezulu. Isibonelo, phakathi nesigcawu sesenzo ku-movie noma i-crescendo yomculo enamandla, isignali yomsindo ingase idinge kafushane amandla angaphezu kwesilinganiso se-RMS. Amandla aphezulu aqinisekisa ukuthi isipika singakwazi ukubekezelela lokhu kuqhuma okufushane ngaphandle kokudala umonakalo.

Kubalulekile ukuqaphela, nokho, ukuthi isilinganiso samandla aphezulu akufanele kube ukuphela kokugxila lapho kukhethwa izipikha. Amandla e-RMS kufanele abekwe phambili ngaso sonke isikhathi, njengoba ebonisa ikhono lesipika lokusingatha ukusetshenziswa okuqhubekayo, okuqhubekayo. Amandla aphezulu awumhlahlandlela wekhono lesipika lokusingatha izinguquko ezingazelelwe kusignali yomsindo ngaphandle kokwehluleka.

Ukuhlanganisa Amandla e-RMS ku-PCB Manufacturing yamasistimu omsindo

Ekukhiqizweni kwe-PCB kanye nokuhlanganiswa kwe-PCB , ukuqinisekisa ukuthembeka kwezinhlelo zomsindo kuvame ukuhilela izingxenye ezisezingeni eliphezulu ezisekela kokubili izidingo zamandla e-RMS kanye ne-Peak. Isibonelo, ama-amplifier namanye amadivayisi omsindo athembele kuma-PCB aphatha ukushabalaliswa kokushisa, ubuqotho besiginali, kanye nokusatshalaliswa kwamandla ngempumelelo.

Imiklamo ye-PCB esezingeni eliphezulu ibalulekile ukuze imishini yomsindo ihlangabezane nezidingo zamandla ze-RMS kanye ne-Peak. Ukuhlanganiswa kwe-PCB okufanele kuqinisekisa ukuthi izingxenye, njenge-capacitors, resistors, kanye ne-transistors, zilinganiselwe ukuphatha amandla aqhubekayo (RMS) kanye nama-spikes adlulayo (Peak). Ngaphezu kwalokho, ukwakheka kwe-PCB kumele kunciphise ukuphazamiseka futhi kuqinisekise ukuphathwa kwamandla okuqinile, ikakhulukazi kuma-amplifier kanye nezipikha ezisebenza ngamandla aphezulu.

Emishinini yomsindo, i-PCB eklanywe kahle ayisekeli kuphela ukusebenza kahle kwezikhulisi kodwa futhi iqinisekisa ukuthi ukugeleza kwamandla kulawulwa ngendlela efanele, kuvimbele ukulimala ezingxenyeni ezibucayi. Njengoba isidingo sezinhlelo zokulalelwayo ezisebenza kahle kakhulu sikhula, ukuhlanganiswa kwama-PCB athuthukile aklanyelwe ukuphatha amandla kuba okubaluleke nakakhulu, okuqinisekisa ukuqina nokusebenza kwesikhathi eside ezinhlelweni zomsindo.

Isiphetho

Kokubili ama-watts e-RMS kanye nama-watts aphezulu abalulekile lapho kuhlolwa okokusebenza komsindo, ngakunye kufeza injongo ehlukile. Amandla e-RMS ahlinzeka ngesilinganiso esinembe kakhudlwana sokuthi idivayisi yomsindo izosebenza kanjani ngaphansi kokusetshenziswa okuqhubekayo, iqinisekisa ukwethembeka nomsindo wekhwalithi ephezulu ngokuhamba kwesikhathi. Amandla aphezulu, ngakolunye uhlangothi, awusizo ekuhloleni ukuthi idivayisi ikuphatha kanjani ukuqhuma kwamandla okufushane, okungazelelwe.

Uma ukhetha izipikha, ama-amplifiers, noma ama-subwoofers, kubalulekile ukubeka phambili isilinganiso samandla e-RMS, njengoba sibonisa ukusebenza komhlaba wangempela kwedivayisi ngesikhathi sokusetshenziswa okunwetshiwe. Nakuba izilinganiso zamandla aphezulu zivame ukugqanyiswa ekukhangiseni, amandla e-RMS aqinisekisa ikhwalithi yomsindo elungile, engahlanekezelwe phakathi nokusetshenziswa isikhathi eside. Ngomongo wokwenziwa nokuhlanganisa i-PCB, ukuqonda amandla okuphatha amandla ezinhlelo zomsindo kuqinisekisa ukudalwa kwemikhiqizo ethembekile, yekhwalithi ephezulu ehlangabezana kokubili nezidingo zamandla e-RMS kanye ne-Peak