Raws li qhov tseeb connoisseurs ntawm lub suab zoo, ntau tus neeg tau sim los txhim kho lawv cov suab tshaj tawm. Qhov kev txhim kho tau zoo tshaj yog lub hwj chim siab kawg. Cov neeg hais lus no yog hu ua subwoofers. Yog tias koj tsis muaj sijhawm los yuav lub subwoofer, tab sis koj muaj tag nrho cov ntaub ntawv thiab cov khoom siv thiaj li tuaj yeem sib sau ua ke koj tus kheej, cov lus qhia hauv qab no yuav pab koj.
Nws yog qhov tsim nyog
- - hacksaw ua haujlwm nrog ntoo
- - cov ntaub ntawv (daim duab peb sab, ncaj nraim, puag ncig)
- - txaug txaug
- - laum hluav taws xob
- - cov ntsia hlau los yog hau ntswj
- - jigsaw
- - ntawv sau (cwj mem, xaum thiab kav)
- - compasses nrog dav dav
- - sealant, PVA kua nplaum, ntoo kua nplaum.
- - plywood nrog tuab ntawm 1 mus rau 2 cm., ntoo ntoo hauv qhov loj ntawm 20x20, 30x30, 40x40.
- - tus kheej tapping screws los ntawm 1 txog 5 cm nyob rau hauv loj
Cov Lus Qhia
Kauj ruam 1
Nrhiav cov cuab yeej zoo rau txoj haujlwm. Nruab qhov JBLSpeakerShop program hauv koj lub computer.
Kauj ruam 2
Ua ntej pib ua haujlwm, nco ntsoov xam lub ntsuas pib ntawm tus neeg hais lus. Qhov tseeb yog tias tsis muaj ib tus hais tib yam lus, txawm tias lawv yog tus qauv zoo ib yam thiab dov tawm ntawm tib lub rooj sib txoos ntawm tib hnub. Qhov sib txawv ntawm lawv yuav me me, tab sis peb yuav tsum coj nws mus rau hauv tus account. Raws li cov kev txwv no, yav tom ntej koj yuav xaiv hom thawv rau lub subwoofer. Sau cov yam ntxwv tau ntawm ib daim ntawv thiab khaws daim ntawv no kom txog thaum kawg ua haujlwm.
Kauj ruam 3
Yog li, koj yuav tsum xam tus cwj pwm hauv qab no:
Pnom - cov lus no txhais tau tias yog lub zog ntawm tus neeg hais lus, nws tau muab rau hauv lub taub hau hom (75GDN-1 75W).
Fs yog lub ntuj resonance zaus ntawm tus ntuav lus hauv qhov chaw qhib.
Fc - Qhov ntsuas no txhais tau hais tias qhov rov ua dua nyob hauv qhov chaw muaj zog.
Qts yog qhov tas nrho Q ntawm qhov zaus zaus.
Qes yog qhov hluav taws xob Q hluav taws xob nyob ntawm qhov resonant zaus.
Qms yog qhov ua tau zoo ntawm lub tshuab ntawm qhov resonant zaus.
Vas yog cov tsiaj ntawv luv rau cov hais lus ntau npaum li cas.
D yog qhov ntsuas zoo ntawm diffuser.
Xmax yog qhov chaw siab tshaj plaws rau tus menyuam yaus diffuser.
Txhawm rau ntsuas cov ntsuas no, siv lub laij lej, voltmeter, LF lub tshuab hluav taws xob, lub thawv ntim nrog cov ntim txog 20 ntim.
Txuas lub suab txuas ntxiv rau kab-tawm ntawm lub suab daim npav. Txuas tus ntuav lus los ntawm cov tsim tawm suab txuas ntxiv los ntawm cov tsis kam. Lub zog ntawm resistor yuav tsum tsis txhob ntau tshaj 2 W.
Ntsuas txhua qhov ntsuas thiab sau lawv hauv.
Kauj ruam 4
Thaum koj tau txais cov lus hais ntawm qhov hais lus, tom qab ntawd mus rau qhov kev xaiv ntawm lub thawv subwoofer. Yog tias koj hais lus muaj qhov Fs siab dua 100 Hz, tom qab ntawd xaiv lub tshuab hluav taws xob dawb (Dawb cua)
Yog Qts <0, 8 … 1, nws yog qhov zoo tshaj 0, 7
khoom Fs / Qts = 50
Qhov thib peb ntawm lub thawv yog qhov ua kom zoo. Xaiv nws yog tias Qts <0, 6, optimally 0, 39
khoom Fs / Qts = 85
Qhov kev xaiv thib plaub yog Passive Radiator. Nws yog qhov nyuaj heev rau nws ua.
Qhov kev xaiv thib tsib yog Band hla. Xaiv nws yog Fs / Qts = 105. Qhov kev xaiv no muaj txiaj ntsig zoo, tab sis kuj tseem nyuaj rau kev ua.
Kauj ruam 5
Unzip JBL hais lus khw software rau cov hauv paus nplaub tshev ntawm lub disc. Khiav teeb tsa.exe los ntawm DISK1 nplaub tshev. Khiav qhov program: Pib => programs => JBL SpeakerShop => SpeakerShop Enclosure Module.
Nws tsis yog qhov nyuaj rau kev ua haujlwm hauv qhov program, yog li peb yuav tsis piav qhia txog qhov haujlwm no txhua yam.
Kauj ruam 6
Siv cov cuab yeej npaj, ua rau lub thawv ntawv nws tus kheej, tsom mus rau qhov ntsuas ntawm qhov kev hais lus. Nco ntsoov tias lub suab muaj zog ntau dua, cov tuab ntawm ob sab ntawm lub thawv yuav tsum. Ua tib zoo saib xyuas qhov loj me me ntawm tus neeg hais lus lub qhov, siv ib khub ntawm kev ntsuas ntsuas kom kos nws. Cov ntaub ntawv thiab ntawv nplaum rau txhua lub npoo. Ua haujlwm kom zoo kom tsis txhob ua rau koj tus kheej lossis cog ntoo tawg.
Kauj Ruam 7
Tsis txhob hnov qab txhuam cov nplaum rau sab hauv lub thawv nrog cov khoom siv suab-tso.
