Usetha kanjani i-Monobloc Amplifier (Izinyathelo ezingu-7)
Okuqukethwe
- Izinyathelo Eziyisi-7 Zokumisa Isikhulisi se-Monoblock
- Isinyathelo 1 - Vala yonke into
- Isinyathelo sesi-2 - Thuthukisa isistimu yakho yomsindo wemoto
- Isinyathelo sesi-3 - Lungisa Inzuzo
- Isinyathelo sesi-4: Vala i-Bass Boost.
- Isinyathelo sesi-5 - Lungisa Isihlungi Sokudlula Okuphansi
- Isinyathelo sesi-6 - Lungisa Isihlungi Sokudlula Okuphezulu
- Isinyathelo sesi-7 - Phinda futhi Uphinde
- Izinto ezimbalwa okufanele uzinake phakathi nenqubo engenhla
- Ngingakwazi ukushuna i-monoblock amplifier yami ngisebenzisa i-multimeter?
- Iyiphi indlela yokukhetha?
- Kungani ngidinga ukushuna i-monoblock amplifier?
- Izinhlobo zama-amplifiers e-monoblock
Ingabe ufuna indlela yokushuna i-monoblock amplifier yakho? Uma kunjalo, nansi indlela yokushuna efanele yokusebenza okuphezulu.
Mhlawumbe ufuna ikhwalithi yomsindo engcono noma uzama ukuvikela izipikha zakho nama-subwoofers. Kungakhathaliseki ukuthi yikuphi, ukwazi ukuthi ungasetha kanjani i-monoblock amp kuzokusiza kakhulu. Ngivame ukushuna i-amp ukuze ngisuse ukuhlanekezela. Futhi lokhu kuyinqubo elula engadingi amathuluzi engeziwe noma amakhono.
Isifinyezo esisheshayo sendlela yokusetha i-monoblock amplifier:
- Yehlisa inzuzo futhi uvale zonke izihlungi.
- Khulisa ivolumu yemoto uze uzwe ukuhlanekezela.
- Yehlisa izinga lomsindo kancane.
- Lungisa inzuzo uze uzwe imisindo ecacile.
- Vala i-bass boost.
- Lungisa izihlungi zephasi eliphansi neliphezulu ngokufanele.
- Phinda futhi uphinde.
Ngizokutshela kabanzi ngalokhu esihlokweni esingezansi.
Izinyathelo Eziyisi-7 Zokumisa Isikhulisi se-Monoblock
Isinyathelo 1 - Vala yonke into
Ngaphambi kokuthi uqale inqubo yokusetha, kufanele wenze izinto ezimbili.
- Yehlisa inzuzo.
- Khubaza zonke izihlungi.
Abantu abaningi baseqa lesi sinyathelo. Kodwa uma udinga ukushuna i-amp yakho kahle, qiniseka ukuthi wenza lezi zinto ezimbili ezingenhla.
Ithiphu Esheshayo: Izihlungi ze-Gain, low-pass kanye ne-high-pass zitholakala ku-monoblock amplifier.
Isinyathelo sesi-2 - Thuthukisa isistimu yakho yomsindo wemoto
Bese ukhuphula ivolumu yeyunithi yekhanda. Kufanele ukwenze lokhu uze uzwe ukuhlanekezela. Ngokusho kwedemo yami, ungabona ukuthi ivolumu ingama-31. Futhi ngalesi sikhathi ngithole ukuhlanekezela kusipika sami.
Ngakho ngehlise ivolumu yaba ngu-29. Le nqubo imayelana nokulalela umsindo nokushuna kahle.
kubalulekile: Kulesi sinyathelo kufanele ukwazi ukubona ukuhlanekezela ngendlela efanele. Uma kungenjalo, inqubo yokusetha izomoshakala. Dlala ingoma oyaziyo. Lokhu kuzokusiza ukukhomba kalula ukuhlanekezela.
Isinyathelo sesi-3 - Lungisa Inzuzo
Manje buyela ku-amplifier futhi ulungise inzuzo uze uzwe umsindo ocacile ovela kuzipikha. Ukuze ulungise inzuzo, vula iyunithi ehambisanayo ngokwewashi. Yenza lokhu uze uzwe ukuhlanekezela. Bese uphendulela inzuzo ngokuphambene newashi kuze kube yilapho ususa ukuhlanekezela.
Sebenzisa i-screwdriver yekhanda eliyisicaba kule nqubo.
Isinyathelo sesi-4: Vala i-Bass Boost.
Uma ufuna ukuthola ikhwalithi yomsindo ehamba phambili kusipika semoto yakho, vala i-bass boost. Uma kungenjalo izodala ukuhlanekezela. Ngakho-ke, sebenzisa i-screwdriver ye-flathead ukuze uvule umhlangano we-bass boost ube ngu-zero.
Iyini i-Bass Boost?
I-Bass Boost iyakwazi ukuthuthukisa amaza aphansi. Kodwa le nqubo ingaba yingozi uma ingaphathwa ngendlela efanele. Ngakho, kuwukuhlakanipha ukungawusebenzisi.
Isinyathelo sesi-5 - Lungisa Isihlungi Sokudlula Okuphansi
Izihlungi zokudlula okuphansi ziyakwazi ukuhlunga amafrikhwensi akhethiwe. Isibonelo, uma usetha isihlungi se-low-pass ku-100 Hz, sizovumela kuphela amaza angaphansi kuka-100 Hz ukuthi adlule ku-amplifier. Ngakho-ke, kubaluleke kakhulu ukusetha isihlungi se-low-pass ngendlela efanele.
Ibanga lokuvama kwesihlungi se-low-pass liyahlukahluka kuye ngosayizi wesipika. Nali ishadi elilula lama-subwoofers anosayizi abahlukene.
| Usayizi we-Subwoofer | I-Bass Frequency |
| 15 amayintshi | 80Hz |
| 12 amayintshi | 100Hz |
| 10 amayintshi | 120Hz |
Ngakho-ke, uma usebenzisa i-subwoofer engu-12-inch, ungasetha imvamisa ye-bass ibe ngu-100 Hz. Lokhu kusho ukuthi i-amplifier izokhiqiza kabusha wonke amafrikhwensi angaphansi kuka-100 Hz.
Ithiphu Esheshayo: Uma ungaqiniseki, ungahlala usetha imvamisa ibe ngu-70-80Hz, okuwumthetho omuhle wesithupha.
Isinyathelo sesi-6 - Lungisa Isihlungi Sokudlula Okuphezulu
Izihlungi ze-High-pass zikhiqiza kabusha kuphela amafrikhwensi ngaphezu komkhawulo wokunqamula. Isibonelo, uma usetha isihlungi se-high-pass sibe ngu-1000 Hz, i-amplifier izokhiqiza kuphela amaza angaphezu kuka-1000 Hz.
Imvamisa, ama-tweeter axhunywe kuzihlungi ezidlula kakhulu. Njengoba ama-tweeters ethatha amaza angaphezu kuka-2000 Hz, kufanele usethe isihlungi sokudlula okuphezulu sibe ngu-2000 Hz.
Nokho, uma izilungiselelo zakho zihluka kulokhu okungenhla, lungisa isihlungi se-high-pass ngendlela efanele.
Isinyathelo sesi-7 - Phinda futhi Uphinde
Uma ulandele izinyathelo eziyisithupha ezingenhla ngendlela efanele, cishe u-60% usuqedile ngokusetha i-monoblock amplifier yakho. Sishaya kuphela uphawu lwevolumu engu-30%, futhi kufanele usethe i-amp okungenani ibe ngu-80% (akukho ukuhlanekezela).
Ngakho-ke, phinda izinyathelo 2 no-3 uze uthole imidiya ejabulisayo. Khumbula, ungashintshi izilungiselelo zokuhlunga noma ezinye izilungiselelo ezikhethekile. Mane ulungise i-amplifier usebenzisa ivolumu yeyunithi yekhanda kanye nokuzuza kwe-amplifier.
Ithiphu Esheshayo: Khumbula ukulalela ngokucophelela umsindo wesikhulumi.
Izinto ezimbalwa okufanele uzinake phakathi nenqubo engenhla
Eqinisweni, umhlahlandlela wezinyathelo ezingu-7 ngenhla uyinqubo elula. Kodwa lokhu akusho ukuthi uzophumelela ekuzameni kokuqala. Ziningi izinto ezingahamba kahle.
- Ungabeki inzuzo ibe phezulu kakhulu. Lokhu kungalimaza ama-subwoofers noma izipikha.
- Lapho ulungisa i-bass ne-treble, zilungise ukuze zivumelane nezipikha zakho noma ama-tweeter.
- Ungalokothi uvimbele wonke amaza aphansi. Lokhu kuzothinta kakhulu ikhwalithi yomsindo. Futhi okufanayo kuya kumafrikhwensi aphezulu.
- Kungase kudingeke ukuthi uphinde izinyathelo 2 no-3 izikhathi ezimbalwa. Ngakho, bekezela.
- Yenza njalo inqubo yokusetha engenhla endaweni ethulile. Ngale ndlela, uzowuzwa kahle umsindo wesikhulumi.
- Dlala iculo elijwayelekile lenqubo yokushuna. Lokhu kuzokusiza ukuthi ubone noma yikuphi ukuhlanekezela.
Ngingakwazi ukushuna i-monoblock amplifier yami ngisebenzisa i-multimeter?
Yebo, ungakwazi. Kodwa inqubo iyinkimbinkimbi kakhulu kunomhlahlandlela wezinyathelo ezingu-7 ngenhla. Usebenzisa i-multimeter yedijithali, ungakwazi ukukala i-impedance yesipika.
Iyini impedance yesipika?
Ukumelana kwesikhulumi kumanje we-amplifier kwaziwa ngokuthi yi-impedance. Lelivelu le-impedance lizokunikeza inani lamanje eligeleza kusipika ngevolthi enikeziwe.
Ngakho-ke, uma i-impedance iphansi, ubukhulu bamanje buzoba phezulu. Ngamanye amazwi, ingakwazi ukuphatha amandla amaningi.
Ukulungisa i-monoblock amplifier usebenzisa i-multimeter yedijithali
Ukusetha i-amplifier usebenzisa i-multimeter, landela lezi zinyathelo:
- Vala amandla esipika.
- Setha i-multimeter yakho kumodi yokumelana.
- Xhuma imikhondo ebomvu nemnyama ye-multimeter kumatheminali aphozithivu nenegethivu esipikha.
- Record impedance Dynamics (ukumelana).
- Thola i-wattage enconyiwe ye-amplifier yakho encwadini yomnikazi wakho.
- Qhathanisa amandla ne-impedance yesipika.
Ungaqhathanisa kanjani:
Ukuze uqhathanise inqubo, kuzodingeka wenze izibalo ezithile.
P=V2/R
P – Amandla
V - voltage
R - Ukumelana
Thola i-voltage ehambisanayo usebenzisa ifomula engenhla. Bese ulandela lezi zinyathelo:
- Nqamula zonke izisetshenziswa (izipikha, ama-subwoofers, njll.)
- Setha isilinganisi sibe uziro.
- Setha inzuzo ibe ziro.
- Lungisa ivolumu kuyunithi yekhanda ibe ngu-80%.
- Dlala ithoni yokuhlola.
- Ngenkathi ithoni yokuhlola idlala, vula i-knob kuze kube yilapho i-multimeter ifinyelela ku-voltage ebalwe ngenhla.
- Xhuma zonke ezinye izesekeli.
kubalulekile: I-amplifier kufanele ixhunywe kumthombo wamandla phakathi nale nqubo. Bese usetha i-multimeter ukukala i-AC voltage bese uyixhuma ku-amplifier.
Iyiphi indlela yokukhetha?
Ngokuhlangenwe nakho kwami, zombili izindlela zinhle kakhulu ekulungiseni i-monoblock amplifier yakho. Kodwa indlela yokumisa eyenziwa ngesandla ayinzima kakhulu kuneyesibili.
Ngakolunye uhlangothi, ukulungisa okwenziwa ngesandla udinga kuphela i-screwdriver yekhanda eliyisicaba kanye nezindlebe zakho. Ngakho-ke ngingaphakamisa ukuthi indlela yokulungisa okwenziwa ngesandla ingaba yinketho enhle yokujika ngokushesha nokulula.
Kungani ngidinga ukushuna i-monoblock amplifier?
Kunezizathu eziningana zokusetha i-monoblock amplifier, futhi nazi ezinye zazo.
Ukuze uthole okuningi ku-amplifier yakho
Kuyini iphuzu lokuba ne-amplifier enamandla uma ungasisebenzisi ngokugcwele? Kwesinye isikhathi ungasebenzisa u-50% noma u-60% wamandla esikhulisi. Kodwa ngemva kokusetha i-amplifier ngendlela efanele, ungayisebenzisa okungenani i-80% noma i-90%. Ngakho-ke qiniseka ukuthi usetha i-amplifier yakho ngendlela efanele ukuze uthole ukusebenza okuphezulu.
Ukuze uthuthukise ikhwalithi yomsindo
I-monoblock amplifier ecushwe kahle izohlinzeka ngekhwalithi yomsindo engcono kakhulu. Futhi izokwenza isistimu yakho yomsindo wemoto ibe phezulu.
Ukuze uvimbele ukulimala kuzipikha zakho
Ukuhlanekezela kungalimaza ama-subwoofers akho, izipikha ze-midrange, nama-tweeter. Ngakho-ke, uma ususethe i-amp yakho, akudingeki ukhathazeke ngakho.
Izinhlobo zama-amplifiers e-monoblock
I-monoblock amplifier iyisikhulisi sesiteshi esisodwa esikwazi ukukhiqiza kabusha imisindo yefrikhwensi ephansi. Bangathumela isignali eyodwa kusipika ngasinye.
Nokho, kunezigaba ezimbili ezahlukene.
I-amplifier ye-monoblock yekilasi AB
Uma ufuna i-monoblock amplifier yekhwalithi ephezulu, khona-ke lena yimodeli ongayikhetha. Uma i-amplifier ithola isignali yomsindo, idlulisela inani elincane lamandla kudivayisi yokushintsha.
Isikhulisi se-Monoblock Class D
Ama-amplifiers e-Class D anesiteshi esisodwa, kodwa indlela yokusebenza yehlukile kunezikhulisamandla Zekilasi AB. Mancane futhi asebenzisa amandla amancane kunama-amplifiers Ekilasi AB, kodwa awanayo ikhwalithi yomsindo.
Bheka ezinye zezihloko zethu ngezansi.
- Uzixhuma Kanjani Izipikha Zezingxenye Kusikhulisa Seziteshi Ezi-4
- Ungakala kanjani ama-amps nge-multimeter
- Indlela yokusetha i-amplifier nge-multimeter
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