Qhob subwoofer: ua lub cev

Koj tau txiav txim siab yuav ua rau lawv tus kheej subwoofer. Koj twb muaj ib tug woofer, los yog koj tau xaiv txoj cai nyob rau hauv lub khw. Pib qhov twg? Ntawm no yog peb saib tsis yog ib qho hluav taws xob Circuit Court, thiab me nyuam xwb ib feem, piv txwv li, lub sij subwoofer nws tus kheej: ib tug vaj tsev nrog ib tug dynamic lub taub hau.

Nyob rau hauv tas li ntawd mus zoo hais lus kom zoo ntses bass thaj tsam tu tub tu kiv, ib qho tseem ceeb kom raug xam qhov ntim ntawm ib lub thawv hais lus system thiab ib co kev txawj ntse ntawm lub intricacies ntawm nws raug. Qhob subwoofer yuav tsum yog tus pom me me ntawm lub box. Yuav no system nyob rau hauv ib lub tsheb los yog ib lub tsev-ua subwoofer rau lub tsev, zoo lub cev - qhov tseem ceeb tshaj yam uas muaj feem xyuam rau lub suab zoo.

Cia peb nco ntsoov hais tias qhov no tag nrho cov suab. Nthwv dej no. Peb pob ntseg yuav ntes oscillations nrog ib zaus nyob rau hauv ntau los ntawm ob peb kaum tawm rau kwv yees li 20 txhiab Hertz (mus ib ob). Qhov no ntau yam yog xav tau suab tsis, nyob rau hauv qhov tseeb nws yog ib tug me ntsis dav. Yuav ua li cas peb tsis hnov vim hais tias ntawm lub heev tsawg zaus - yog infrasound, thiab ntau dua qhov lub zaus, thiab peb tsis yog audible - ultrasound (hnov nws tej tsiaj, xws li dev). Suab tsis propagate xwb nyob rau hauv ib qho chaw uas txaus ceev. Peb hnov lub suab, vim hais tias peb yog nyob rau hauv xws li ib puag ncig (cua).

Lub subwoofer reproduces heev uas tsis muaj frequencies mus rau ib tug ob peb puas Hertz. A suab yoj yog tsim los ntawm lub zog ntawm tus diffuser dav hlau (dov diaphragm hais lus). Nws txav yog pauv mus rau cov huab cua, thiab lub suab zoo nkaus li uas peb tau hnov. Cov no ib yam dab tsi uas zoo sib xws rau lub lag luam ntawm lub twj tso kua mis.

Lub ntsiab hauj lwm ntawm lub subwoofer enclosure - tau qhov zoo tshaj plaws lub suab. Hais lus tsis muaj lub npov no yog tsis muaj peev xwm, vim hais tias rau lub rov tshwm sim ntawm high-zoo suab yoj peb yuav tsum tau tsuas yog ib theem ntawm nws, thiab cov pej xeem hais lus muab rau peb cia li ob: zoo thiab tsis zoo (pem hauv ntej thiab nram qab lub sab ntawm lub diffuser week). Nws hloov tawm lub thiaj li hu ua zaj luv luv Circuit Court yog heev unpleasant mus rau lub pob ntseg. Cais ib suab los ntawm lwm theem thiab ua hauj lwm pab raws li ib lub thawv hais lus.

Qhob Whyteshadows muaj ib tug ntau yam ntawm Siv. Cov feem ntau - nrog ib tug hais lus txojkev tawm, raws li nyob rau hauv ib cov pa kiag, tab sis muaj ntau pab kiag li lawm.

Raws li koj paub, nyob rau hauv thiaj li yuav cais cov suab theem (raws li nyob ze rau ib tug ntawm lawv hauv lub subwoofer), nws yuav tsum tau ib tug zoo rigidity rau lub cev xwb tsis kis deeg nyob rau hauv cov huab cua. Yog li ntawd, qhov zoo ntawm cov ntaub ntawv uas plays ib qho tseem ceeb luag hauj lwm. Tshaj nws yog tus muaj zog, nyuaj, qhov zoo tshwm sim.

Nco ntsoov hais tias cov phem tshaj kev xaiv rau tej subwoofer - symmetrical tsim. Feem ntau, cov lus qhia yog txav deb ntawm qhov chaw. Tsis tas li ntawd tsis pom zoo qhob subwoofer nyob rau hauv daim ntawv ntawm ib lub voos xwmfab, ob tog neeg yuav tsum sib txawv nyob rau hauv loj. Tag nrho cov no yog ua li cas kom tsis txhob muaj resonance.

Qhob subwoofer yuav tsum tau muaj txaus sab hauv volume. Yog hais tias nws yog uas ploj lawm, ces tus tsawg zaus suab yog noticeably tsis muaj zog txaus vim muaj zog siab hauv lub thawv, uas yog tsim los ntawm lub chaw ua hauj lwm ntawm daim nyias nyias. Yog hais tias koj xav tau ib lub tsev-ua subwoofer me me volume, ces koj yuav tau siv sij hawm ib tug woofer nrog ib tug me me txoj kab uas hla, vim hais tias pom zoo ntim rau ntawm lub box nyob rau ntawm qhov luaj li cas ntawm nws lub khob hliav qab.

Lub rooj teev cov pom zoo qhov ntev.

Tab sis nws yog ib qho zoo mus tham cov ntaub ntawv rau koj puab.