Low-vanopfuura Sefa - sei kuti inzwi guru?

Saka vanhu vakawanda vanofarira yakaderera-vanopfuura Sefa, iyo inodiwa kuti subwoofer. Kazhinji, vanhu nzeve anogona kuona ruzha, kutangira 20 uye anopera zviuru 20 Hertz. Uye cherechedza, kutinhira kunoitika pajinga muganhu - bass ichi. Nokudaro, panguva rokumusoro muganhu sendiri sezvinoita svisvidza. Nokuti vaya vanoda kudzidza kuridza rinonzwika panguva frequencies siyana, zvikuru yakagadzirwa chirongwa kuti hakurevi munechimwewo kugadzwa. Unofanira chete vanoda kukopa uye kutamba nayo. uyewo haana kukonzera chero matambudziko inowanikwa chirongwa.

Kudzidza chii yakaderera vanopfuura Sefa, mumwe havafaniri kukanganwa pamusoro cutoff kakawanda, izvo zvibereko hakusi zvakakodzera. In kugadzirwa ari subwoofer saizvozvo dzakaderera frequencies vakaridza kuchinja, apo kumusoro frequencies vari chinopfuudzwa pamwe zvikuru kusarurama. Kuti aite izvi, shandisa Sefa chaiyo kuti anobvisa zvose kuridza kukwirira.

Subwoofer anofanira kusangana zvinotevera parameters: vakurukuri vashoma, kutamba nayo, mumwe subwoofer, dzakanga dziri chekawo-kure kakawanda panguva filters zvinoshandiswa Saba. Nemamwe mashoko, kana mbiru ane desyatisantimetrovyh bass mukurukuri, kuti cutoff kakawanda inofanira kusvika Hertz mazana matatu. Kana bass mutauri saizi iri masendimita makumi matatu, Sefa cutoff kakawanda rinosvika zana Hertz.

Asi kana subwoofer ane mutauri duku, zvingangoita kuti havazokwanisi zvichiberekana yakaderera chaizvo frequencies. Kana zvasiyana, ari pazasi achakwanisa recreate yacho bass. Ndiyo subwoofer yakanaka inogona pakutsvaga sei zvakanaka achakwanisa kuti vadzokorore yakaderera frequencies. Yepamusoro frequencies kazhinji subwoofer reproduces nokumonyaniswa simba kwazvo.

Kazhinji, kuti akachekwa-kure maitikiro haakonzeri zvinetso. Zvazvinosarira kufunga pacharwo pasi zvichipfuura firita. Zvinogona pusa kana tichishingaira. In aimbova Kana Sefa iguru inductance Coil multiple capacitors. Panyaya iyi, tinofanira kuisa yoga amplifiers unomuka. Uyewo, havafaniri kuisa chero mamwe simba zvitengeswa. Pusa Sefa anofanira chokuita wehurukuro subwoofer.

Imwe pfungwa inoda kuziva kana kudzidza nyaya iyi yakatenuka kuora, inova yakananga parameter inotaridza simba nako ruzha iri woutsinye kune pamwero pamusoro cutoff maitikiro. Kazhinji, kana kugadzwa filters panguva mukuru maitikiro kurira Kutsakatika ikaitika zvakanaka pasina slumps.

Nokuti chokuti pasi-vanopfuura Sefa anoshandisa yakaderera cutoff kakawanda, uye ane refu kuti, kudiwa pusa maumbirwo nokupera. Muchiitiko ichi zvakakosha kushandisa chinoshingaira firita. drawback Its ndiye chinodiwa kuti yoga simba wedzerai uye gudzazwi kuti subwoofer chiteshi. Mukuwedzera, nechiva zvinogona kubatsira dzimwe nguva.

In ichi chinokosha parameters iro rine pasi vanopfuura Sefa, misa.