Vala isikhangiso

Siyakwamukela ku-Mars. Konke okwaziyo mayelana nokwenziwa kabusha komsindo wasemhlabeni akusebenzi lapha. Hlangana ne-Bose SoundLink mini.

Iphalishi elishisayo lidliwa kusukela onqenqemeni, ngakho-ke okokuqala sizocabanga ngesinye isikhulisazwi, lapho singaqhubeka khona ngokuqhubekayo. Ngo-2007, onjiniyela bakwa-Bose benza isipikha esincane esibizwa nge-Bose Computer Music Monitor. Umsindo onamandla ngokungalindelekile ngamathoni aphansi wafinyelelwa ngenxa yokwakhiwa okukhethekile kwekhabhinethi yesipikha lapho izikhulumi zitholakala khona. Ukuze siqonde ukuthi kungani kufanele sihlale phezu kwezimbongolo zethu futhi sigqolozele imilomo yethu evulekile, ake sikuthathe kusukela ekuqaleni.

Isiqhwaga. 1 - Isifunda esifushane se-Acoustic. Ungayibona kumamuvi ezikhumbuzo, yileli bhodi lokhuni elinembobo yesipika ekhoneni eliphezulu lekilasi. Namuhla, lokhu kwakhiwa akusasetshenziswa. Esithombeni esingakwesokudla, umkhiqizo wakwaTesla wama-XNUMXs.

Isifunda esifushane se-Acoustic

Kwake kwahlala isikhulumi okuthiwa u-A. Wayeyedwa, ekuqaleni wayengenalo ngisho ibhodi lokuzwakala, kodwa ngemva kokucinga isikhathi eside walithola, okwakubizwa ngokuthi ibhodi elizwakalayo B. Imithetho ye-hydraulics yasebenza umoya wenza impilo yaba muncu kubo bobabili. Bacasulwa ukucindezela kwe-acoustic E, okufinyeza umsindo we-C wesipikha esingu-A, umsindo u-C awuzange uphume kahle, futhi ukucindezela kwangemuva kwe-diaphragm yesikhulumi u-D konakala ngokushesha ngosizo lwe umcibisholo obomvu E. Isikhulumi sazama, sinyakazisa i-diaphragm ngangokunokwenzeka, kodwa-ke ngokulula ngokusebenzisa izivivinyo, sathola ukuthi uma ethola ibhodi elizwakalayo elikhudlwana B, uyakwazi ukuqeda isifunda esifushane se-acoustic esimphucayo. kwe-bass. Emafilimini ezikhumbuzo, sazibona njengomsakazo wesikole, ibhodi lemitha ngemitha kanye nesipika esixhunywe ehhovisi likathishanhloko phakathi. Ukuqeda ukujikeleza okufushane kwe-acoustic, ipuleti le-baffle kufanele libe likhulu ngokungenamkhawulo.

Isiqhwaga. 2 - Ukuphela Okufile. A - isipikha, B - ibhokisi lomsindo, ibhodi elizwakalayo lapho isikhulumi silungiswa khona, C - umsindo ophuma ngokuqondile kulwelwesi lwesikhulumi, D - ukucindezela okuvela ohlangothini oluphambene nolwelwesi, u-E - indlela yokucindezela, lapho umsindo C no-D ane-short-circuited.

Amakhabethe ezikhulisazwi

Kwabe sekuyisikhathi sokuzama ngesimo sebhodi. Bazama ukugoba ibhodi, isibonelo i-acoustic short circuit E yayingeke ihambe ekhoneni. Siyabona esithombeni sesibili ukuthi akusizanga. Kodwa kwabe sekufika. Umcimbi omkhulu kunayo yonke emlandweni wokukhiqizwa kabusha komculo.

Isiqhwaga. 3 – Ikhabethe elivaliwe. Kakhulu noma ngaphansi zonke izipikha ze-audiophile zivaliwe, mhlawumbe kuma-studio okurekhoda kuphela izipikha ze-bass reflex ezisetshenziswa njengeziqaphi zokubuka kuqala. A - isipikha esikhulu sethu, B - i-baffle enamathiselwe kwikhabethe elivalwe kahle, D - ingcindezi ye-acoustic evela ngakolunye uhlangothi lwekhamera yesipikha ihlala ngaphakathi kwekhabhinethi futhi akufanele ibonakale ngaphandle, ngakho-ke izipikha zekhwalithi zisinda kakhulu futhi zenziwe ngezinto ezinkulu.

Ikhabhinethi yesipikha evaliwe

Kwasebenza! I-acoustic short isinyamalele. Wonke umuntu waphefumula, baqeda isitha esikhulu ngokuhlanganisa iziphetho zepuleti B elingapheli futhi benze ibhokisi elivaliwe, kwasala isiphithiphithi esibizwa ngokuthi B, lapho kwakukhona imbobo yesikhulumi sethu u-A. Isikhulumi sethu saphinde sazama , i-oscillating ikhoyili njengohlanya, futhi yathola ukuthi kukhabhinethi enkulu, akudingeki ukuba izikhandle kakhulu, ngoba ingcindezi ekhulayo ekhabetheni ngokwayo ihlanjululwa endaweni enkulu futhi ayinamandla. Ngakho-ke amakhabethe ezipikha aqala ukukhula ngokuya ngokuba mkhulu, kanye nezikhulumi ezazingena kuwo. Umsindo ohloniphekile ocishe ube ngama-watts angu-50, nokho, wawudinga ikhabethe elinevolumu yamalitha angu-100 omoya - leyo yivolumu efanayo nomgqomo wothuli oyindilinga wakudala. Futhi kunalokho ngaphezulu. Uma kuqhathaniswa, i-B&W A7 inamandla angama-watts ayi-100 kanye nevolumu yamalitha ayishumi nanhlanu kancane. Ngakolunye uhlangothi, i-Original Nautilus yemiqhele yaseCzech eyisigidi iyikhabhinethi yesipikha evaliwe. Cishe wonke amakhabethe ezipikha avela ekilasini lamanje eliphezulu angamakhabethe ezipikha avaliwe. Lezi ngokuvamile izingcezu ezinkulu ngempela ifenisha ezenziwe ngokhuni izinga. Kodwa amakhabethe ezipikha anomthamo wamalitha ayikhulu noma ngaphezulu ayevame ukuthatha uhhafu wegumbi, futhi akekho owayeseke wasungula izindlu ezivuthwayo. Kuthiwani ngokusebenzisa isitha sethu esidala, ingcindezi yomsindo E?

Isiqhwaga. 4 – I-Bass reflex ebiyelwe. I-diaphragm yesikhulumi sethu ingaba mncane, ngoba umsindo ovela entanyeni encane ye-K ulingisa indawo enkulu kakhulu ye-diaphragm, ngakho-ke umsindo we-F ususwa kuwo wonke ama-highs naphakathi, futhi sizwa kuphela ama-hums. futhi iduma ku-bass. Uma kwenzeka ubona isistimu yesipikha enembobo, i-bass reflex, nakuba ungakwazi ukuqonda ukuthi i-bass reflex hole idlala ini, kodwa ungakwazi ukuzwa umoya ngeminwe yakho. Uma uvala ukuvuleka kwe-bass reflex ngesandla sakho, i-boom bass iyanyamalala. Yizame ku-B&W A5 noma i-A7, isibonelo. Kodwa umzuzwana nje, ukunyakaza komoya ku-bass reflex kuvame ukusetshenziselwa ukupholisa isikhulisi esakhelwe ngaphakathi ukuze ungasishisi ngokweqile.

I-Bass reflex enclosure

Uma singenza enye imbobo ekhabetheni lezipikha elivaliwe, bekuzokwenzenjani? Isifunda esifushane se-Acoustic, ngakho-ke ekuboneni kuqala isiphetho esifile. Kodwa kuthiwani uma indlela ye-short-circuit inwetshiwe ngokuthile? Isibonelo, ukuhlukaniswa ngaphakathi kwekhabhinethi noma kamuva ipayipi lepulasitiki? Futhi bheka futhi, ubude obuhlukile be-K-tube emgodini eduze kwesipika bungagcizelela ama-frequencies ahlukene ku-bass, kuye ngobude, i-bass egcizelelwe ephawulwe ngohlamvu F. Ngakho-ke lapho ikhabhinethi yesipika yenziwa ibe mincane futhi i-bass I-bass reflex tube ingeziwe, izwakala njengekhabhinethi enkulu kakhulu evaliwe. Yaqala kanjalo-ke inkathi entsha yokukhiqiza umculo. Ucwaningo lobukhulu. UBose, Harman/Kardon, JBL, Bang & Olufsen, Bowers & Wilkins nabanye bebeshintshana kolayini bangaphambili emakhabetheni ezipikha anciphayo. Ngesikhathi esifanayo, kwaqala enye inguquko. Kuze kube yileso sikhathi, amakhabethe ezikhulumi ayenziwe ngokhuni kuphela. Ngenxa ye-miniaturization, amakhompyutha, nokubekezela konjiniyela, izinto ezintsha ezinjengamapulasitiki zaqala ukusetshenziswa. Ikesi lepulasitiki elivaliwe liyinto embi kakhulu ongayenza kusipika sakho. Kodwa ngenxa yembobo ye-bass-reflex, amapulasitiki angasetshenziswa, amasistimu wezipikha ashibhile, abe mancane, futhi ngokuhamba kwesikhathi afinyelela izinga lomsindo wezinhlelo zesipikha ezijwayelekile zokhuni (ezivaliwe ne-bass-reflex).

Isipikha se-bass

Ukuze senze ibhesi izwakale kahle, isipikha sethu esingu-A sidinga ukunikezwa i-diaphragm esindayo, ikhoyili eqinile (ukuze ingashi lapho iphakamisa isisindo esiningi), uzibuthe onamandla kanye ne-amplifier enamandla. Umsindo kubhesi uncike kusayizi we-diaphragm yesipika. Uma i-diaphragm yesipikha iba nkulu kanye nokugudluzwa kwesipikha kukhudlwana, kulapho ingcindezi ishintsha khona egumbini esizama ukulizwakala ngamanothi aphansi emculweni, ngamanye amazwi ibhesi, ngokuvamile imvamisa engu-40 kuya ku-200 Hz. Kungakho sidinga inqwaba yamabhokisi ezipikha ekhonsathi ehholo lezemidlalo, akukhona kakhulu mayelana nokusebenza, kodwa mayelana nengcindezi efinyelela kude kakhulu. I-earphone ilahlekelwa ibhesi uma uyikhipha. Izipikha ezincane zidlala ibhesi imitha elilodwa noma amabili, kodwa asikwazi ukuzwa ibhesi egumbini elilandelayo, kuphela ama-mids kanye ne-treble. Isistimu yesipikha edlala upiyano kuyilapho yonke i-spectrum yomsindo izwakala ngisho nasegunjini elilandelayo iwuphawu lokusebenza okwanele ngokuhambisana nekhwalithi yokwakhiwa.

Isiqhwaga. 5 - I-radiator. A - isipikha esidlala ibhesi, phakathi nendawo naphezulu, okungukuthi sikhipha umsindo we-broadband C; E - ingcindezi ye-acoustic ecindezela ulwelwesi lwe-radiator G; F - umsindo kuphela kumafrikhwensi aphansi akhishwa irediyetha; D - umsindo ngaphakathi kwekhabethe elivaliwe. Ngakwesokudla kunemininingwane yengemuva lesipikha se-Onyx, isikhungo sensimbi esinophawu lwenkampani isisindo se-radiator, ukucindezeleka okuzungezile kuwulwelwesi, olucishe lufane nezipikha ze-bass zakudala, eziqinile kuphela. Kule diaphragm, isisindo siyazungeza singena siphume, kuye ngokuthi i-diaphragm yesikhulumi ihamba kanjani.

I-radiator

Lapha ku-Mars, sibiza irediyetha ngesisindo esixhunywe olwelwesini oluzungezayo njengoba umoya uphusha kulo, ludlulele ohlangothini olukude lolwelwesi lwesipika. Kwenzelweni? Irediyetha ingenye indlela yokunciphisa ingcindezi yomsindo ngaphakathi kwekhabethe lesipikha sepulasitiki esivaliwe. Yebo, ngiyaziphikisa, ibhokisi elivaliwe lepulasitiki libi kakhulu, kodwa qaphela, ukusebenzisa i-radiator kushintsha ngokuphelele umongo. Bheka isithombe futhi. Isikhulisazwi A sidlalela umsindo ongu-C, futhi ngaphakathi kwendawo evaliwe u-D, kudaleka ingcindezi E, esiphushela ezindongeni zekhabhinethi. Ngenxa yokuthi isisindo sinamathele ku-diaphragm, ingcindezi izama ukubalekela lapho futhi ihambisa i-diaphragm. Isisindo esiku-diaphragm silingisa i-diaphragm esindayo yesipikha se-bass esikhethekile, esenza ibhesi izwakale sengathi ivela kuzipikha ezinkulu kakhulu nezisindayo. Ukukhohliswa kobukhulu besikhulumi kukhulu kangangokuthi kunzima ukukukholelwa. Lena yindlela i-Jambox noma i-Nova ne-Onyx yakwa-H/K esebenza ngayo, ungathola isimiso esifanayo kumamodeli amasha avela ku-SONY. Anginayo iqinisekisiwe, kodwa ngicabanga ukuthi bayiqale e-Bose, abanye basanda kuyisebenzisa. Ngokusobala, ukubekwa kwe-radiator kwikhabhinethi yesikhulumi kubaluleke kakhulu lapha. Yingakho i-Jambox iqhubekela phambili ngamavolumu aphezulu.

Isiqhwaga. 6 - Ama-radiator amabili abhekene. Imicibisholo ebomvu i-E1 ne-E2 iyingcindezi ye-acoustic enyakazisa ama-radiator amabili, ngaleyo ndlela adudulane. Ungabona kwesokudla ukuthi ama-Bose Computer Music Monitors mancane. Ngakwesokudla kwesokudla kunemininingwane engabonakala ngempela ohlangothini ngokusebenzisa ikhabethe lesipikha. Ungabona ucezu lwe-radiator emgodini odlulayo.

Ama-radiator amabili abhekene

Uma usebenzisa amabili alawa ma-radiators, okulandelayo kwenzeka: ukhulisa ngokuphawulekayo indawo ekhipha amathoni aphansi. Ake sibale umzuzwana. Uma isikhulumi sinendawo engu-1, khona-ke irediyetha eyodwa cishe izikhathi ezingu-2,5, ngakho-ke ngama-radiator amabili indawo ephumela yokukhiqiza i-bass cishe izoba ngu-5 + 1 (amaradiyetha amabili + isipikha). Ukuze lokhu kusebenze, sidinga ukusebenzisa isipikha esikhulu kakhulu esingu-A (kunzima kakhulu ukusenza), esingadala ingcindezi eyanele ngaphakathi kwekhabethe lesipikha esivaliwe (ukukhuluma ngobuchwepheshe, ibhokisi lepulasitiki) ukuze kudlidlizele ngokwanele womabili ama-radiator G1 kanye G2. Futhi kungani kukhona ezimbili? Uma usebenzisa eyodwa nje, irediyetha izoshanela lonke ikesi lepulasitiki ngesisindo salo, futhi akunjalo. Kodwa uma uneminyaka embalwa yokuzama (angithi, madoda kwa-Bose), uzothola ukuthi kungcono kakhulu ukubeka womabili ama-radiator ebangeni eliqondile elibhekene, njengoba ubona esithombeni # 6. amabhilidi aphuma embobeni adlulisa ingcindezi esuka kusipika iphume ekhabetheni cishe ngokuphindwe kahlanu kunosayizi wangempela wesipika. Impela, kuwumbono nje, kodwa ophelele.

I-Bose Computer Music Monitor

Umfowethu omncane

Yebo, ama-radiators amabili asetshenziswa ku-Bose Computer Music Monitor, futhi ubuchwepheshe obufanayo, obuthuthukisiwe yiqiniso, bunikezwe umfowethu omncane noma omncane, i-Bose SoundLink mini. Ngokwami, ngangisenesithakazelo kumamodeli we-SoundTouch, anama-radiator amabili nezinkinobho ezi-6 ezihlelekayo. Kokunye, ngangigqoka i-jazz njengengemuva ukuze ngisebenze, kwesibili insimbi yokuphumuza bese kweyesithathu i-pop, ngivakashelwe. Woza ucabange ngakho, ngithanda umqondo wenkinobho kakhulu ...

Idizayini ye-Bose SoundLink mini isuselwe ku-Bose Computer Music Monitor. Qaphela ukuthi izikhulisa-zwi ezinama-radiator zenziwa kuphela kulawa masayizi amancane, ngicabanga ukuthi lo mklamo enguqulweni enkulu uzoba nenkinga yokuklama. Kazi izoshonaphi. Ingabe izoba nkulu? 

Umehluko uyezwa

Uma ulalela i-Beats Pill, izipikha zayo ezi-4 ezincane zidlala amabhesi ahloniphekile, kodwa imitha kuphela, bese amathoni aphansi ayanyamalala. I-JBL Flip 2 isebenzisa i-bass reflex egqamisa i-bass kahle, ngisho nakumamitha amabili kuya kwamathathu ama-bass angazwakala kahle. Nge-Bose SoundLink mini, ungezwa i-bass ehlukile futhi ecacile ngisho nebanga lamamitha angu-5. Qaphela, ngikukhumbuza ukuthi yomithathu imikhiqizo eshiwo ingena ephaketheni lakho, mincane ngempela, kodwa umehluko ekukhiqizeni amathoni aphansi mkhulu. Ama-radiator amabili omsindo kanye nomehluko onjalo. Ubani owayengasho?

I-AirPlay Fig. 7. ukuqhathaniswa kosayizi bekhabhinethi kuyilapho kuzuzwa umsindo ofanayo. Phawula ukuthi umthamo wekhabhinethi yesipika ungancishiswa kanjani ngezindlela ezihlukahlukene. A - ibhokisi elivulekile kumele libe lide kakhulu ukuqeda i-acoustic short circuit, ngokulandelana kwamamitha. B - ikhabethe elivaliwe kakade lithatha indawo encane kakhulu. C - Ikhabhinethi ye-bass reflex, ipulasitiki impela, ingalingisa ikhabhinethi evaliwe cishe ngokuphindwe kabili ngobukhulu. I-D no-E - ukwakhiwa ngama-radiator acoustic kungalingisa ikhabhinethi evaliwe izikhathi eziningana ezinkulu. Yiqiniso, ingaqashelwa, kodwa inkohliso iyamangalisa.

Futhi enye into

Iphrosesa yomsindo wedijithali iyadingeka. Uma sifuna ukuguqula i-radiator kulwelwesi oluqinile, ngevolumu ephansi isikhulumi besingeke sibe nengcindezi eyanele yokuguqula ama-radiator, ngakho-ke, ngesikhathi sokwanda kwevolumu, umthamo wevolumu we-bass kufanele ushintshwe ukuze kuzwakale kungokwemvelo. ngesikhathi sokukhiqiza okuthulile noma lapho ulalele ngevolumu ephezulu kakhulu. Okwesibili ukuthi, ngenxa yama-radiator, singasebenzisa isipika esine-diaphragm ekhanyayo kanye nokufuduka okukhulu, okwazi ukudlala lonke uhla lwemvamisa ngokufanele. Lokhu kusho ukuthi isipikha esisodwa sidlala ama-tinkling highs, ama-sonorous and clear mids ngesikhathi esifanayo njengoba siqhumisa ama-acoustic radiators. Uma sifuna ukuqeda iphuzu elibuthakathaka kakhulu, ibhokisi lepulasitiki, sizosebenzisa ukukhishwa kwe-aluminium. Futhi yilokhu kanye onjiniyela bomnyango wezokuthuthukiswa eBose abakwenza. Baphula yonke imiyalo ngokumelene nokukhiqizwa kabusha komculo okulungile, basebenzisa izinqubo zangaphandle, futhi mina, esikhundleni sebhere, ngigoba umhlane wami ukuze ngibanike inhlonipho ejulile efanelwe ababhali.

Ngamafuphi, i-Bose SoundLink mini iyisipika esingenantambo esikhulu kunazo zonke esinebhethri eyakhelwe ngaphakathi ongayithenga ngezinkulungwane ezinhlanu.

Isiphetho

Ukuze uphendule: cha, angihleleli ukulandelana okwamanje. Akukho engingabhala ngakho kuze kube yilapho othile ecikoza lesi silwane sasekhaya saseMartian. Ngiyabonga kakhulu ngokunaka kwakho nangeminikelo ezingxoxweni, ngiyaxolisa nganoma yikuphi ukungalungi, ngiyabonga ngamathiphu emikhiqizo ethakazelisayo, uma befika, ngizobathinta nakanjani futhi uma sekukhona, ngizozama ukuqeda. ezinye izingxenye mayelana namamodeli amanje. Manje pakisha imali yakho kumqulu ofanele bese ugijimela esitolo ukuze ukhethe isilwane sakho esifuywayo se-AirPlay.

Sixoxisane ngalezi zinsiza zomsindo zegumbi lokuhlala ngamunye ngamunye:
[okuthunyelwe okuhlobene]

.