Umzobo Phuma Inani Elifanelekileyo leMandla kwiNkqubo Yakho
Enye yezihloko ezididayo kwi-audio ziqikelela ukuba yintoni ubungakanani be- amplifier zakho izithethi ezifuna. Ngokuqhelekileyo, abantu benza isigqibo esinjalo ngokusekelwe kwisicatshulwa esilula kunye nesinye isixa esingenakuthethayo kunye neenkcukacha zepropatifier . Abaninzi bathambekele ekulandeleni iingcamango eziphosakeleyo malunga nendlela amava kunye nezithethi ezisebenza ngayo. Sichithwe iminyaka yokuvavanya nokulinganisa izithethi - kunye nento esiyifumene emva kwee-scenes ingqiqo ekutheni uthethe ngeenkulungwane zeenjineli kunye nokuthengiswa kwezoshishino kwizandi zomsindo - ngoko nantsi into omele uyiqonde ngokwenene!
Inyaniso Ngomlomo Somlomo Ukuphatha Amacandelo
Okokuqala, kubalulekile ukuqonda ukuba ukucaciswa kwamandla kwisithethi ngokuqhelekileyo kuyinto engenanto. Ngokuqhelekileyo, uvele ubone "amandla angaphezulu" ngaphandle kokuchazwa ngokucacileyo malunga nendlela i-spec efunyenwe ngayo. Ingaba yinqanaba eliqhubekayo eliqhubekayo? Umgangatho wezinga? Nqanaba le Peak? Kwaye lihlala ixesha elingakanani, kwaye luhlobo luni lwezinto eziphathekayo? Le mibuzo ibalulekileyo.
Ngelishwa, kuye kwaba nemigangatho emininzi neyiyophikisanayo yokulinganisa ukuphathwa kwamandla kwisithethi, epapashwe yi-Audio Engineering Society (AES), i-Electronics Industries Association (EIA) kunye ne-International Electrotechnical Commission (IEC). Kuyamangaliswa ukuba kutheni umntu oqhelekileyo unokugqiba ukudideka.
Ngaphezulu kwelo, ininzi yabakhiqizi esiye sathetha nabo abayilandelanga ngokwenene le mi gangatho; bavele bafunde ukuqiqa. Ngokuqhelekileyo, esi sigqibo sisekelwe ekusebenziseni amandla kwe-subwoofer. (Ukusetyenziswa kwamandla kwiinkcukacha kubasebenzisi abaphambili besikhulumi , njengama- woofers kunye nama-tweeters, baninzi kakhulu kwaye banentsingiselo kunezicwangciso zeentetho ezipheleleyo.) Ngamanye amaxesha isistim sokusingatha amandla esithethi sisekelwe ekuthengiseni. Ungabona nokuba umenzi unike isithethi esithe xaxa ukuphatha amanqanaba aphezulu ngokubhekiselele kwisithethi esithengiweyo esezantsi, nangona bobabini basebenzisa i-woofer efanayo.
Izicwangciso zeMvolumu kumandla Amplifier
Kubalulekile ukuqonda ukuba kwiimeko ezininzi, i-200-watt amp ibeka amandla afana ne-10-watt amp. Oku kungenxa yokuba abaninzi abaphulaphulayo bavela kumazinga aphakathi, apho ngaphantsi kwe-1 watt amandla anele ezithethi . Kwisithethi esinikiweyo ukulayishwa kwimiqulu yokunikezelwa kwevolumu, bonke abakhuliseli bahambisa inani elifanayo lamandla-nje kuphela xa banako ukukhupha amandla amaninzi.
Ngoko ngokwenene imimiselo yevolumu ebalulekileyo, kungekhona amandla okukhulisa. Ukuba awunakuze uqhube inkqubo yakho kwinqanaba apho umthamo ungakhathazeki, i-amp amp ingasayi kubeka ngaphezulu kwe-10 okanye i-watts ezingama-20. Ngaloo ndlela, unokudibanisa ngokukhuselekileyo isikhulisi-watt esingu-1 000 kwisitishi esincinane sesi-2-intshi. Musa nje ukuguqula ivolumu ngaphezu kwesithethi esinokuyenza.
Oko ungakufanele ukwenze ukucwangcisa i-amp-powered amp-say, imodeli ye-10 okanye ye-20-watt-ibe kwisithethi esiqhelekileyo uze uguqule ivolumu phezulu. Amandla amancinci angaphantsi angenza isiqwenga (ukuphazamisa), kunye nokucima ukukhulisa isona sizathu esiqhelekileyo sokusilela kwesithethi. Xa i-amplifier yakho icoca, ivelise imveliso yecandelo eliphezulu le-DC ngqo kwisithethi. Oku kungatshisa ilizwi labaqhubi besithethi bebhenqa ngokukhawuleza!
Indlela yokubala Ibuphi ubungakanani obuninzi olufunekayo
Ukudibanisa njengoko konke oku kunokwenzeka, kulula ukubala ukuba ubukhulu buni obufunayo. Kwaye inxalenye engcono kukuba unokwenza oku kwentloko yakho. Akuyi kufezeka, kuba uya kuxhomekeka kwiinkcukacha ezivela kwisithethi nakwi-amplifiers, ezisoloko zicacile kwaye ngezinye izihlandlo. Kodwa iya kukuvala ngokukhawuleza. Nantsi indlela yokwenza ngayo:
- Thatha isantya sokulinganisela kwesithethi , esichazwa kwi-decibels (dB) kwi-1 watt / 1 imitha. Ukuba ihlelwe njengeklasi-okanye ibanga lesithuba, sebenzisa loo nombolo. Ukuba ngaba i-anechoic spec (njengaleyo efunyenwe kwiimilinganiselo ezithile zesithethi zangempela) yongeza +3 dB. Inombolo oye uya kukuxelela ngokukhawuleza ukuba isithethi esikhulu siza kudlala njani kwisihlalo sakho sokuphulaphula ngesignali yomsindo we-1 watt.
- Oko sifuna ukufikelela kuyo kungakanani umbane ofunekayo ukutshintsha ubuncinane ama-102 dB, malunga nokuphakamisa okukhulu njengabantu abaninzi abafuna ukuzonwabisa. Kulo likhulu kangakanani? Ngaba uke wakhona kwiholo lemidlalo elivakalayo? Iqonga elifanelekileyo elilindiweyo eliqhutywa kwinqanaba lokubhekisa liya kukunika malunga ne-105 dB yeseshini ngasinye. Oku kunzulu kakhulu - kunokuba abantu abaninzi bafuna ukuphulaphula - yintoni eyenza iifatshane zingadlala iifilimu kumaxabiso amaninzi aphakamileyo. Ngoko i-102 dB yenza iinjongo ezifanelekileyo.
- Nantsi into ebalulekileyo oyifunayo; ukuba ufumane enye engaphezulu +3 dB yemvolumu, kufuneka uphinda kabini amandla amp amp. Ngoko ukuba unesithethi nge-in-room-sensitiveness of 88 dB kwi-1 watt, ii-watts ezi-2 ziza kukufumana 91 dB, ii-watts zizakufumana 94 dB, njalo njalo. Ukubala nje ukusuka apho: ama-watts ama-8 athola u-97 dB, ii-watts eziyi-16 zifumana u-100 dB, kwaye i-watts ezingama-32 ikufumana u-103 dB.
Ngoko ke uya kuyifunayo ngu-amplifier onokukwazi ukuhambisa ama-watts angama-32. Ngokuqinisekileyo, akukho mntu wenza i-32-watt amp, kodwa ummkeli we- 40 okanye 50-watt okanye umplifizi kufuneka enze kakuhle. Ukuba i-amp amp or receiver you want out, yithi, 100 watts, ungakhathazeki ngako. Khumbula, kumanqanaba athile okuphulaphula kunye nezithethi eziqhelekileyo, naluphi na amp ubeka ngaphandle kwe-1 watt, nantoni na.