Maitiro ekusarudza inoshanda uye passive subwoofer yeimba yemitambo

Nhasi tichataura nezve mutauri sisitimu iyo inoburitsa yakaderera frequency ruzha muimba yemitambo system – subwoofer. Isu tichataura nezvemhando uye hunyanzvi hunhu hwemidziyo, tsanangura iwo akabudirira kwazvo mamodheru, kugovera mirairo yekubatanidza, kugadzirisa, uye kunyange kuunganidza subwoofer iwe pachako.

Subwoofer: pfungwa uye chinangwa muimba yemitambo

A subwoofer chishandiso chinoburitsa ruzha rweyakaderera frequency – kubva pa5 Hz (kureva, kusanganisira infrasound). Panguva imwecheteyo, haisi iyo yakazvimiririra koramu, asi inozadzisa iyo odhiyo system.

Cherechedza! Mitsindo yepasi-inonzwika haina kugarika zvakanaka, kureva kuti, zvakaoma kuziva kwaibva inzwi nenzeve. Panyaya iyi, mune yakawanda-nzira stereo system, tinokurudzira kuisa imwechete woofer. Iyi sarudzo yekumisikidza inochengetedza nzvimbo uye kuderedza mutengo wese weiyo speaker system pasina kupira ruzha rwemhando. Subwoofers, sekutonga, inoshandiswa mune iyo stereo masisitimu akagadzirirwa kutarisa mafirimu akazadzwa nemhedzisiro yakakosha; pamwe nekuteerera mimhanzi yemazuva ano ine bass-rich. Nekuda kweizvozvo, tinowana ruzha rwakanyanya uye rwechokwadi.

Mhando dzema subs anoshandiswa mudzimba dzemitambo

Zvichienderana neiyo odhiyo frequency amplifier, woofers yakakamurwa kuita inoshanda uye inongoita.

1. Iyo inoshanda subwoofer, inozivikanwawo sewoofer, inosiyaniswa nekuvapo kweakavakirwa-mukati simba amplifier uye inoshanda crossover. Ndiko kuti, inobatanidza izvo zvishandiso zvinowanikwa zvakasiyana. Yakadaro subwoofer ine mitsara inobuda uye inopinza, uye inogona kugashira siginecha ine yakakwira ma frequency atochekwa, kureva, mutsara nhanho. Muchiitiko ichi, crossover filter haidiwi. Mazhinji anoshanda subwoofers anewo mamwe maitiro ekugadzirisa kune mamiriro.
2. Nekudaro, iyo passive speaker haina kugadzirwa nemagetsi amplifier. Uye inobatanidza kune yekunze amplifier kana main stereo speaker mukufanana. Iko kusakosha kukuru kwekuchinja kwakadaro ndiko kuwedzera mutoro pane zvakabuda amplifiers, izvo dzimwe nguva zvinoderedza kudzvinyirira kwezwi rose. Nekudaro, iyo passive crossover munzira kubva kune amplifier kuenda kune vakuru vakurukuri inewo yakaipa mhedzisiro pane acoustic properties. A passive subwoofer iri “kuda” kuisa, uye haina ebetsero tuning hunyanzvi.

Iyo amplifier inofanirwa kunge iine 10-15 muzana ine simba kupfuura passive subwoofer yesimba rakaziviswa (pamwe nevatauri).

Zvinyorwa zvekuteerera

Pakusarudza subwoofer, isu tinoteerera kune yakakosha tekinoroji maitiro echishandiso:

1. Chimwe chezvinonyanya kukosha ndeye frequency range . Simba rekubuda rakakamurwa kuita octaves akati wandei, anoti deep bass (20 – 40 Hz), yepakati (40 – 80 Hz) uye yakakwirira (80 – 160 Hz). Panguva imwecheteyo, huwandu hwemhando dzakawanda ndeye 40 – 200 Hz. Frequencies kubva ku5 Hz inobereka mhando imwe chete.
2. Iyo inotevera parameter ndeye yakanyanya kudzvinyirira inzwi , nemamwe mazwi, iyo yakanyanya vhoriyamu ye subwoofer.

Inonakidza kuziva. Chiyero chakaderera chinonzwisiswa nemunhu chinonzi chikumbaridzo chekunzwa. Kukosha kwayo i0 dB. Iyo yepamusoro-soro ndiyo inorwadza chikumbaridzo – 120 dB.

1. Kunzwa kwe subwoofer ireshiyo yeavhareji yekumanikidza kwenzwi ku 1 W yesimba uye 1 m yedaro.
2. Crossover frequency . Pano tinonzwisisa nguva yakawanda iyo chikamu chechiratidzo chinoitika. Semuyenzaniso, kana crossover frequency iri 90 Hz, ipapo ese masignal components ane frequency range ye 20 – 90 Hz achapihwa kune subwoofer, zvakare, chiratidzo chine mafrequency pamusoro pekukosha kwakatarwa kunotumirwa kune vakurukuri.
3. subwoofer dhayamita . Dhizaini ye subwoofer yakavharirwa zvakare inonyanya kutarisisa iyo acoustic zvimiro zvechishandiso. Kune matatu makuru emhando yekugadzirwa kweiyo subwoofer dynamic bass musoro – bandpass, yakavharwa uye phase inverter. Mhando yega yega ine zvese zvayakanakira uye zvimwe zvayakaipira.

Mitemo yekusarudza

Zvingaita sekuti iyo inodhura uye yakakura iyo subwoofer, zviri nani. Asi sarudzo haisi pachena. Kutaura pamusoro pemaitiro ekusarudza, zvakakosha kufunga nezvechinangwa uye nzvimbo yekushandiswa kwe subwoofer.

Kusarudza subwoofer yekamuri

Paunosarudza subwoofer mukuwedzera kune imba yemitambo, funga nezvehukuru hwekamuri. Kana isu tichitaura nezve kamuri yakajairika, avhareji nzvimbo ye15 – 20 square metres. m., mutauriri wepasi-frequency kubva kumutsetse wakafanana neyose DC system yakanyatsokodzera. Kazhinji iyi subwoofer ine dhayamita ye8 – 10 inches. Kana basa nderekutaura imba huru, kubva ku40 sq. m, zvinokurudzirwa kutenga michina yakawanda. Saizi ye subwoofer ine basa zvakare. Zvinogona kuita sezvisinganzwisisike, asi mashoma ekupedzisira hertz eiyo frequency renji anodhura zvakanyanya. Naizvozvo, kugadzira kudzvanywa kwenzwi kwakakodzera mukamuri hombe kunodhura zvakanyanya. Asi, zvinosuruvarisa, izvi hazviitike nguva dzose. Zvadaro tinoisa iyo sub apo isingazopindi pasi, tichifunga nezvemimwe mitemo. Zvinonzi:

1. Kuti tiwane mamwe mabhesi, tinoiisa padivi pemadziro anotakura mutoro, kune yakanyanya kutetepa ruzha – kumashure kwekamuri.
2. Isu tinofambisa subwoofer nechikamu inverter kubva pamadziro ne 20-30 cm.
3. Usaise mutauri pedyo nemadziro akatetepa, hwindo, sideboard, nezvimwe. Kana iyo subwoofer ichimhanya, nzvimbo dzakadaro dzinodedera, izvo zvinowedzera tsvina kune ruzha.

Connection

Mukugadzirisa kwekubatanidza subwoofer, mumutemo, hapana chakaoma. Isu tinobatanidza kune system mune imwe yenzira nhatu. Ngatitarisei chimwe nechimwe.

1. Sarudzo yekutanga, yakapusa uye yakajairika, ndeyekubatanidza yakaderera-frequency mhedzisiro chiteshi (LFE kana Low Frequency Effect) kune DC inogamuchira. Inokodzera anenge ese anogamuchira AV, pamwe neamplifier ine yakaparadzana kuburitsa kune subwoofer. Isu tinoshandisa subwoofer tambo yekubatanidza. Izvo zvinopinda uye zvinobuda ndezvinotevera: pane anogamuchira, kazhinji “SUB OUT” kana “Subwoofer Out”; ye sub – “LFE INPUT”, “LINE IN”. Mushure usakanganwa kubaya mudziyo mudura riri padyo. Kana paine imwe chete inodiwa yekubatanidza pane inogamuchira, uye iwe unofanirwa kubatanidza akati wandei maturusi, isu tinokurudzira kushandisa Y-yakaita subwoofer tambo.
2. Kana pasina zvakataurwa pamusoro uye zvinobuda pamidziyo iripo, isu tiri kutsvaga vamwe, uye tinobatanidza tichishandisa imwe yezviviri zviri pazasi.

Setting

Mushure mekuisa iyo subwoofer, pamwe nekuibatanidza kune chiratidzo chechiratidzo uye network, tinoenderera mberi nekugadzirisa michina. Tarisa uye, kana zvichidikanwa, gadzirisa zvinotevera paramita:

• Kana paine high-pass filter (HPF) regulator, isu tinoisa iyo yakanyanya kubvumidzwa kukosha – kazhinji 120 Hz.
• Isu tinoisa shanduko yechikamu ku “0” kana “Yakajairika”, iyo regulator kune yakanyanyisa chinzvimbo (“0”).
• Zvinokurudzirwa kuseta vhoriyamu kutonga kune 1/3 yepamusoro kukosha.
• Iyo yakakurudzirwa crossover frequency ndeye 80 Hz.
• PaAV inogamuchira, sarudza “Stereo” seyoti yekurira.

Maitiro ekugadzira imba yemitambo subwoofer

Kana subwoofer ine simba ichidikanwa kune imba yemitambo, asi hapana mari yakakwana yekuitenga, unogona kugadzira midziyo iwe pachako. Kugadzira mudziyo wepamba iwe uchada:

• mutauriwo zvake (tora 10-inch Pioneer speaker, modhi TS-W255C; avhareji mutengo i800 rubles);
• simba rekupa, semuenzaniso, kubva kuPC yekare (500 W);
• mota amplifier ine yakavakirwa-mukati crossover (Lanzar Heritage);
• subwoofer yemotokari isingadhuri;
• columns;
• waya dzevatauri;
• Fiberboard for frame (yakakurudzirwa upamhi – 18 mm);
• pendi, primer.

Handei kubasa.

1. Tinotanga nemagadzirirwo enyaya yacho . Nechinangwa ichi, isu tichashandisa iyo software ye3D kuona – Sketchup. Zviyero zvinoverengerwa uchishandisa WinISD. Pakubuda, takawana kese yakaita cube. Kureba kwerutivi rumwe norumwe masendimita 35. Chiteshi chakagadzirirwa pasi, nepo simba rinobvumirwa kubuda 32 Hz.
2. Padanho rinotevera, tinocheka furemu kubva kune fiberboard . Iyo fuse inogona kugadzirwa kubva kune neoplene, iyo yakanyanya bhajeti.
3. Danho rechitatu kugadzira chiteshi. Nechinangwa ichi, 110 mm yakafara yepurasitiki gutter yakatikodzera zvakakwana.
4. Tevere, tinounganidza uye tinonamira furemu tichishandisa yakakwirira-mhando yehuni glue.
5. Tichishandisa glue uye silicone sealant, tinoisa chiteshi chakambounganidzwa mufuremu.
6. Cheka nekukuya makomba.
7. Takaisa nyaya yacho muzvikamu zvakawanda. Uye pendi pamusoro payo nependi yemotokari.
8. Tinoenderera mberi nekushanda nemukati memhosva. Isu tinotora kuvharidzira, uye nerubatsiro rwekugadzirisa stapler tinosungira zvinhu kumadziro emapuranga. Nokudaro, tinodzivisa ruzha rwakanyanyisa kana tichirira.
9. Nhanho yekupedzisira inotevera ndeyekuisa magetsi emagetsi, waya dzepasi, amplifier.

Nekuda kweizvozvo, tinowana yakanaka kwazvo subwoofer nemari shoma. Mutengo wechigadzirwa chacho inenge 2.5 zviuru rubles.

Maitiro ekuparadzanisa subwoofer kubva kuimba yemitambo kuti igadziriswe

Kudonhedza subwoofer kana kuputika nechisimba chikwata chinogona kukuvadza waya. Izvi zvinozoguma neruzha rwekuhon’era kana ukabatidzwa kana zvimwe zvinonetsa zvakanyanya. Kugadzirisa dambudziko, iyo yakaderera-frequency speaker system inoda kuparadzaniswa. Kurongeka kweparsing kunotevera:

• nyatso bvisa iyo subwoofer kesi;
• Bvisa mutauri kubva pafuremu.

Zvinoita sekuti zvese zviri nyore. Asi pakuparadzanisa sub, zvakakosha kufunga nezvehuwandu hwema nuances.

• Makesi echero subwoofer anovhura zvakasimba . Kune vatauri vemamwe mafemu, madziro ekumashure anosungirirwa nemakumbo mana kana mashanu. Vamwe vagadziri havana kuganhurirwa kune iyi mhando yekusimbisa, uye namira zvikamu; kana kushandisa rudzi rwekutsanya “mu grooves”. Naizvozvo, kuti uparadze kesi, ungangoda diki flat uye Phillips screwdrivers, banga rekukwenya kubva pane glue.

Cherechedza! Vhura nyaya yacho zvishoma nezvishoma kuitira kuti usakuvadza waya uye mamwe mukati me subwoofer.

• Mutauri mukati mekesi anogona zvakare kusungirirwa ne screws uye glue . Panasonic subwoofers ine yakaparadzana tambo compartment. Kuti utarise kuvimbika kwetambo, chikamu chinovhurwa. Inokurudzirwawo kutora nzvimbo yewaya pamatanho akasiyana ekuparadzanisa subwoofer. Izvi zvicharerutsa zvakanyanya reverse process – iri kuuya gungano rehurongwa.

Tinovimba kuti kuongorora kwedu kwakabatsira kubata nemibvunzo yese iripo.