TL; DR: Qhia meej txog Φ101-120mm W- hom tsav tsheb rau kev lag luam PA system tsis zoo ib yam li xaiv tus tsav tsheb rau tus hais lus desktop. Tsib qhov tsis muaj - kab-transformer impedance txuam, F0 vs rov qab- tuaj yeem ntim, ± 1dB vs ± 3dB rhiab heev sib txuam, cov hlau nplaum sab nraud to, thiab txuas ntxiv-lub zog thermal derating - txiav txim siab seb 200-zone qab nthab array khiav huv si rau 18 lub hlis thiab tsis ua haujlwm. Phau ntawv qhia no distilled dab tsi Shenzhen Xuanda Electronics (XDEC) tau kawm thoob plaws 17 xyoo ntawm lub tsev hais lus rau 30+ lub teb chaws.
1. A 12- dab neeg ntauwd, 30% tsis ua haujlwm zones - qhov tseeb
Xyoo tas los, ib tus neeg koom ua ke hauv cov tebchaws Esxias sab hnub tuaj tuaj rau peb pab pawg FAE nrog teeb meem ntawm 12- zaj dab neeg chaw ua haujlwm ntauwd lawv tau ua haujlwm 8 lub hlis dhau los. Qhov project siv 240 qab nthab-mounted Φ100mm W-hom tsav tsheb, tag nrho 4Ω, 15W rated, los ntawm tier-1 hom. Lub amplifier khib siv 100V kab transformers. Nyob rau hauv daim ntawv, txhua qhov parameter sib phim daim ntawv spec.
Rau lub hlis nyob rau hauv, 30% ntawm cov cheeb tsam tau pom lub suab nrov ntawm cov keeb kwm qis - suab paj nruag. Tsib thaj tsam tau ua tsis tiav. Cov neeg tsav tsheb saib zoo ntawm lub rooj ntev zaum. Peb tau siv sijhawm ob hnub ntawm -qhov chaw nrhiav qhov teeb meem.
Lub hauv paus ua rau: tsis yog ib qho tsis xws luag, tab sis tsib qhov tsis zoo uas daim ntawv spec tau ntes tau tus kheej ntawm tus kheej - tseem tsis muaj leej twg tau hla - xyuas lawv tawm tsam kev tsim qauv tag nrho. Tsib qhov pitfalls hauv qab no yog tib yam peb pab pawg FAE tshuaj xyuas ntawm txhua qhov kev lag luam -PA RFQ peb tau txais, thiab tib yam uas, ntawm XDEC, peb tau tsim rau hauv peb 17 xyoo ntawm kev tsav tsheb engineering rau kev faib tshuab.
2. Pitfall #1 - Xaiv 4Ω/8Ω yam tsis tau kuaj xyuas cov kab transformer
Ib qho yuam kev feem ntau hauv kev lag luam PA tsav tsheb xaiv yog qhia tus neeg tsav tsheb lub npe impedance (4Ω lossis 8Ω) yam tsis tau kuaj xyuas qhov 100V / 70V kab transformer tiag tiag xav tau.
Ib tus neeg koom ua ke tau txais 100V kab amplifier, tshawb rau "100V PA hais lus tsav tsheb," pom Φ100mm tsav tsheb muag li "100V tau tshaj," thiab xav tias 4Ω lossis 8Ω yuav ua haujlwm. Nws yuav tsis, ntawm nws tus kheej.
100V kab system yuav tsum muaj ib kauj ruam - nce transformer ntawm txhua qhov chaw tsav tsheb, sib tw rau tus neeg tsav tsheb impedance yog li lub transformer thawj qhia txog qhov tseeb wattage kais. Ntawm 100V kab, 10W kais kos 0.1A; lub transformer kauj ruam 100V mus rau tus tsav tsheb voltage (feem ntau 10-20V rau tus tsav tsheb 4Ω lossis 8Ω) thiab cais cov kab. Cov neeg tsav tsheb ntsuas 4Ω lossis 8Ω coj txawv txawv nrog tib lub tshuab hloov pauv: tus tsav tsheb 4Ω nrog 10W transformer yuav kos ntau dua tam sim no thiab tsim SPL ntau dua li tus tsav tsheb 8Ω nrog tib lub transformer. Hauv ntau-zone system, sib xyaw 4Ω thiab 8Ω tsav tsheb ntawm tib txoj kab ua rau tsis sib xws SPL hla ib cheeb tsam - raws nraim cov tsos mob uas peb cov koom ua ke sab hnub tuaj Asia pom hauv 30% ntawm lawv thaj chaw.
Kev txiav txim siab engineering: ntsuas tus neeg tsav tsheb lub npe impedance thoob plaws tag nrho qhov project (XDEC ships ob 4Ω thiab 8Ω versions ntawm txhua Φ101-120mm W-type driver), ces qhia cov kab transformer kais kom phim. Tus tsav tsheb + transformer ua ke yuav tsum tsim nyog ua ib chav tsev, tsis yog cov khoom sib cais.
3. Pitfall #2 - F0 zoo nkaus li zoo ntawm daim ntawv, ua tsis tiav hauv 0.8L qab nthab kab noj hniav
Φ101-120mm W- hom hom feem ntau xa F0 (dawb-air resonance) ntawm 80Hz thiab 120Hz. Ntawm daim ntawv spec no zoo li xis. Hauv kev teeb tsa lub qab nthab tiag tiag, F0 tus cwj pwm yog tswj hwm los ntawm nraub qaum- tuaj yeem ntim - lub kaw lus kaw tom qab tus tsav tsheb.
Feem ntau cov lag luam qab nthab rov qab - cov kaus poom yog 0.8L txog 1.5L. Ntawm 1.0L, lub kaw lus resonance (Helmholtz resonance ntawm tus tsav tsheb + rov qab- tuaj yeem) hloov mus rau 100-140Hz. Nrog rau qhov pub dawb - huab cua F0 ntawm 80Hz thiab 0.8L rov qab- tuaj yeem, lub kaw lus resonance tuaj yeem hloov mus txog 150-180Hz, ua kom pom qhov nruab nrab -bass boom uas rhuav tshem lub suab kev txawj ntse. STIPA / STI cov qhab nia rau lub suab khiav tawm los ntawm "zoo" ({19}}) mus rau "marginal" (0.35–0.45) - 10–15% kev txawj ntse poob.
Kev txiav txim siab engineering: nug tus tsav tsheb F0 specificationnrog lub nraub qaum - tuaj yeem ntim koj yuav siv tiag tiag. XDEC tshaj tawm F0 cov ntaub ntawv ntawm 1.0L kaw rov qab- kab noj hniav rau txhua Φ101-120mm W- hom tsav tsheb, vim 1.0L yog cov khoom lag luam feem ntau qab nthab rov qab- tuaj yeem loj. Rau 0.8L lossis 1.5L rov qab-cov kaus poom, thov kom sib haum F0 hloov, lossis pob nyiaj siv rau kev ntsuas qhov system resonance ntawm thawj 10 units. Dawb- huab cua F0 thiab hauv - qab nthab F0 tsis yog tib tus lej - tsis txhob tso siab rau "F0 90Hz" nyob rau hauv daim ntawv lag luam rau qhov project hauv qab nthab.
4. Pitfall #3 - ± 3dB rhiab heev yog kev lag luam default thiab tsis ncaj ncees lawm default rau faib systems
Txhua tus hais lus tsav tsheb spec daim ntawv teev rhiab heev raws li tus nqi nominal ntxiv rau kev kam rau siab. Rau Φ101-120mm W- hom tsav tsheb, kev lag luam- tus qauv kam rau ua yog ± 3dB. Qhov no yog qhov spec daim ntawv yuav hais. Nws kuj yog qhov ua rau tsis sib xws SPL hla ntau thaj chaw teeb tsa.
± 3dB suab me me. Nws tsis yog. Qhov ntsuas decibel yog logarithmic: ± 3dB yog qhov tseem ceeb ntawm 2 hauv acoustic zog. Tus tsav tsheb ntawm 86dB thiab lwm tus ntawm 92dB yog ob qho tib si "hauv spec," tab sis lawv yuav ua suab txawv txawv thaum mounted 8 meters sib nrug hauv tib lub qab nthab.
Rau 4-zone qab nthab array nrog 4 tus tsav tsheb hauv ib cheeb tsam, qhov kev txheeb cais ntawm ± 3dB txhais tau hais tias 6dB tag nrho cov ntau yog plausible - thiab 6dB yog ob npaug ntawm kev hnov suab nrov. Kev faib khoom lag luam PA yuav tsum muaj kev sib tw nruj dua. XDEC kev tshawb fawb los ntawm 2026 hla 4,500+ cov qauv nquag qhia tau hais tias thov ± 1dB cov khub sib tw ua rau tag nrho ntau yam nqis mus rau 2dB, uas yog qis dua tib neeg pob ntseg qhov sib txawv ntawm SPL txuas ntxiv.
Kev txiav txim siab engineering: nyob rau hauv BOM, sau "match khub ± 1dB" lossis "matched quads ± 1dB," tsis yog "rhiab heev 90dB ± 3dB." Qhov kawg yog qhov koj tau txais los ntawm lub neej ntawd. Qhov qub yog qhov faib tshuab xav tau. Tus nqi sib txawv feem ntau yog 5-8% ntawm tus nqi tsav tsheb; qhov ntawm -qhov chaw ua haujlwm tau txais kev cawmdim - tsis tas yuav hloov cov tsav tsheb kom txawm tias tawm ntawm thaj chaw - loj dua.
5. Pitfall #4 - W- hom sab nraud cov hlau nplaum xau yog tiag tiag, txawm tias xyoo 2026
W- hom tsav tsheb siv cov hlau nplaum ferrite sab nraud - tsis muaj qhov thaiv tau. Kev lag luam tawm -tawm: cov qauv hlau nplaum sab nraud muab THD kev ua tau zoo dua ntawm qhov tsawg zaus thiab siab dua rau ib watt, tab sis nws xau magnetic teb 5-10cm dhau lub pob tawb. Rau tus neeg tsav tsheb Φ101-120mm, to ntawm 5cm feem ntau yog 0.5-1.5 mT; ntawm 10cm nws poob rau 0.1-0.3 mT.
Hauv kev lag luam feem ntau PA kev teeb tsa qhov no tsis cuam tshuam. Hauv qee qhov, nws tsis yog:
Tsev so txoj hauv kev nrog sib nqus -stripe room key card readers ze lub qab nthab
Kev teeb tsa hauv tsev kho mob nyob ze ntawm cov khoom siv MRI lossis cov khoom siv saib xyuas cov neeg mob rhiab heev
Cov chav tswj kev lag luam nrog cov cuab yeej cuab tam CRT (tseem muaj nyob hauv qee cov nroj tsuag)
Data center ceilings nrog HDD arrays
Rau cov kev teeb tsa no, hom W- yog hom tsis raug. XDEC ships Y- hom (sab hauv magnet, mu-hlau shielded) version ntawm txhua Φ101- 120mm tsav tsheb uas tso tawm kom qis dua 0.05 mT ntawm 5cm. Kev pauv-tawm: kwv yees li 1–1.5dB qis rhiab heev thiab me ntsis siab dua THD ntawm 1W / 1kHz. Rau lub suab-tseem ceeb installation nyob ze cov khoom siv hlau nplaum, qhov kev lag luam no yog qhov tseeb.
Kev txiav txim siab engineering: yog tias lub qab nthab teeb nyob rau hauv 15cm ntawm txhua qhov sib nqus -stripe nyeem ntawv, sib nqus sensor, HDD, lossis MRI- qhov chaw nyob ib sab, tsis txhob qhia W- hom. Qhia meej Y- hom shielded version. Tus nqi sib txawv yog tsawg; tus nqi rov ua dua ntawm cov neeg nyeem daim npav ua tsis tiav tsis yog.
6. Pitfall #5 - Nruam- lub zog ntsuas thiab thermal derating
Tus neeg hais lus tsav lub zog ntaus nqi feem ntau yog hais tias "lub zog ntsuas" thiab "lub zog siab tshaj plaws." Rated fais fab tuag yog qib tus neeg tsav tsheb ua haujlwm tsis tu ncua rau 100 teev hauv kev kuaj dawb - suab nrov, raws li IEC 60268-5. Lub zog siab tshaj plaws yog feem ntau 2 × ntsuas rau lub sijhawm luv luv.
Kev lag luam PA tsav tsheb tsis tshua tau khiav ntawm lub zog ntsuas. Lawv feem ntau khiav ntawm 1/8 txog 1/3 ntawm lub zog ntsuas - uas yog 1.25W txog 3.75W ntawm tus tsav tsheb "10W" - rau 24 teev ib hnub, 7 hnub hauv ib lub lis piam. Qhov kev ua haujlwm tas mus li no yog qhov thermally txawv ntawm cov spec- daim ntawv tswj hwm.
A Φ101-120mm W- hom tsav tsheb ntsuas 15W txuas ntxiv, khiav ntawm 3W txuas ntxiv, nce mus txog lub suab-coil kub sib npaug ntawm 45-55℃saum ambient - zoo. Khiav tib tus tsav tsheb ntawm 8W txuas ntxiv hauv qhov tsis zoo ntawm lub qab nthab kab noj hniav (qee lub qab nthab ncav cuag 40℃ambient nyob rau lub caij ntuj sov), thiab qhov sib npaug nce mus txog 90 degree, uas degrades cov nplaum nplaum ntawm lub suab-coil winding, kab laug sab, thiab ib puag ncig. Tus tsav tsheb tsis poob tam sim ntawd. Nws ua tsis tiav nyob rau hauv 18 mus rau 30 lub hlis, nrog ib tug mos mos "torn ntawv" suab uas cov neeg muas zaub piav raws li "lub suab tsis zoo."
Kev txiav txim siab engineering: rau 24/7 kev teeb tsa, derate tus tsav tsheb los ntawm qhov tseem ceeb ntawm 4, tsis yog 2. Tus tsav tsheb "10W" yuav tsum tau teev tseg rau 2.5W lub hom phiaj txuas ntxiv, tsis yog 5W. Lub taub hau npog cov thermal nce nyob rau hauv uas tsis yog - cua ntsawj ntshab thiab muab distortion - ua haujlwm pub dawb thoob plaws lub suab paj nruag.
7. Parameter rooj rau Φ101-120mm W-hom coj mus muag PA tsav tsheb
| Parameter | Yam nqi | Engineering tseem ceeb |
|---|---|---|
| Txoj kab uas hla | Φ101mm txog Φ120mm (4-5 nti) | Txuj kev lag luam PA loj; phim feem ntau qab nthab rov qab- cov kaus poom thiab kab- cov kab sib chaws |
| Nominal impedance | 4Ω (72% ntawm W-hom SKUs) lossis 8Ω | Xauv qhov project impedance-dav; mismatched Z ua rau tsis sib xws SPL ntawm 100V kab |
| Rated zog (nruam) | 10W rau 30W | Derate los ntawm yam 4 rau 24/7 siv: 2.5W rau 7.5W nruam lub hom phiaj |
| Dawb -air F0 | 80Hz txog 120Hz | Paub meej tias F0 ntawm koj nraub qaum- tuaj yeem ntim tau; dawb - cua F0 ≠ hauv - qab nthab F0 |
| rhiab heev (1W / 1m) | 88dB rau 92dB | Thov ± 1dB matched khub / quads; ± 3dB yog kev lag luam default, tsis ncaj ncees rau ntau -zone |
| Zaus teb | F0 rau 15kHz feem ntau | Lub suab band 200Hz-8kHz; THD <1% ntawm lub zog ntsuas |
| Magnet qauv | Sab nraud ferrite (W- hom) | Siab rhiab heev, qis THD; Qhov deb ntawm 5-10 cm. Siv Y- hom shielded ze cov cuab yeej rhiab heev |
| Ua haujlwm kub | -25℃rau +70 degree | Match qab nthab-cavity lub caij ntuj sov ambient; tsis yog- qhov cua ntsawj ntshab tuaj yeem ncav cuag 50 degree |
| Lub suab coil | Ø25mm txog Ø30mm, tooj liab- clad aluminium | Loj VC=siab zog tuav, qis thermal compression |
| THD ntawm 1W / 1kHz | 0.8% mus rau 1.3% | Hauv qab 1% yog lub hom phiaj rau lub suab -Page tseem ceeb; suab paj nruag tuaj yeem zam 1.5% |
Cov kab no yog ua raws li 4,500+ qauv catalog ntawm XDEC (Shenzhen Xuanda Electronics). Lawv tsis yog universal - qee qhov tshwj xeeb Φ101-120mm tsav tsheb muaj nyob sab nraum cov kab no, tshwj xeeb tshaj yog rau marine lossis tub rog specifications. Rau kev lag luam PA cov haujlwm, cov haujlwm no suav nrog 95% ntawm RFQs.
8. Daim ntawv thov scenarios los ntawm ib puag ncig
Φ101-120mm W-hom hom qhia nyob rau hauv plaub qhov chaw ua lag luam PA, txhua qhov sib txawv me ntsis.
8.1 Tsev so chaw tos txais, atrium, thiab txoj kev hauv tsev suab paj nruag
Faib 100V kab, 4Ω lossis 8Ω tsav tsheb sib tw ntawm ± 1dB. SPL lub hom phiaj: 80-85dB ntawm 1m nruam, nrog 6dB headroom rau cov xwm txheej. W- hom yog nyiam ntawm no rau nws qhov qis THD ntawm qis SPL, uas tseem ceeb rau cov suab paj nruag zoo tshaj qhov kev mloog ntev. Rau tsev so txoj kev hauv tsev, XDEC's FAE pab pawg feem ntau qhia txog 8Ω version nrog 6W / 100V kab transformer - 6W kais muab huv 82dB ntawm 1m, xis nyob hauv qab nthab 2.5m.
8.2 Cov khw muag khoom lag luam hauv - khw muag khoom thiab suab paj nruag
Lub hom phiaj SPL siab dua (85–90dB ntawm 1m) rau cov ntawv tshaj tawm luv luv, ntxiv rau cov suab paj nruag tsis tu ncua - theem. Tib 100V kab architecture. W-type's rhiab heev (88–92dB) yog qhov haum zoo dua li Y- hom ntawm no. Pair- sib piv ntawm ± 1dB yog qhov tseem ceeb vim tias cov khw muag khoom feem ntau muaj 50+ thaj chaw zoo ib yam; pom kev sib luag ntawm lub qab nthab array ua rau acoustic mismatches pom tseeb rau cov neeg siv khoom.
8.3 Chaw nres tsheb thauj mus los thiab lub tshav dav hlau lub suab khiav tawm
Lub suab tseem ceeb, feem ntau nrog cov kev cai tswj hwm (EN 54 hauv EU, NFPA 72 hauv Asmeskas). 100V kab nrog txoj hauv kev rov ua dua tshiab. W- hom hlau nplaum sab nraud yog qhov zoo ntawm no - qab nthab kab noj hniav tsis tshua muaj nyob hauv 15cm ntawm cov khoom siv hlau nplaum. STI (Speech Transmission Index) lub hom phiaj yog 0.5 lossis siab dua, uas yuav tsum tau tsav tsheb nrog tswj F0 nyob rau hauv qhov tseeb rov qab- tuaj yeem thiab sib tw rhiab heev - ob qho tib si cov ntsiab lus hauv Pitfalls #2 thiab #3.
8.4 Chaw ua haujlwm lub tsev nplooj ntawv (24/7 ua haujlwm)
Tsawg SPL (75-80dB ntawm 1m) tab sis txuas ntxiv. Qhov no yog qhov thermal-derating case los ntawm Pitfall #5. XDEC cov lus pom zoo rau 24/7 chaw ua haujlwm nplooj ntawv yog txhawm rau spec tus tsav tsheb 20W rau 5W txuas ntxiv lub hom phiaj, tsis yog 10W tsav tsheb. Tus nqi sib txawv me me; qhov sib txawv 5-xyoo MTBF yog qhov loj.
9. Cov lus nug nquag nug (qhov tob ntawm engineering)
9.1 Vim li cas tus tsav tsheb 8Ω ua haujlwm ntawm 100V kab, thaum kab hluav taws xob yog 100V?
Tus tsav tsheb nws tus kheej yeej tsis pom 100V. Ib txoj kab transformer ntawm qhov chaw hais lus nce qib 100V mus rau tus neeg tsav tsheb voltage, feem ntau 10-20V, nrog rau kev hloov pauv tau xaiv los xa cov wattage xav tau. Tus neeg tsav tsheb qhov ntsuas 8Ω yog hais txog nws cov impedance raw, uas lub transformer sib tw rau kab. Tsis meej pem ob yog ib qho laj thawj rau hlawv - tawm suab coils ntawm kev lag luam PA tej yaam num.
9.2 Qhov tseeb SPL qhov txawv ntawm ± 3dB thiab ± 1dB matched tsav tsheb hauv 4-zone qab nthab array yog dab tsi?
± 3dB rau ib tus neeg tsav tsheb, suav nrog 16 tus tsav tsheb, muab 6dB ncov- rau- qhov siab tshaj plaws hauv qhov array. ± 1dB sib tw ua khub thoob plaws 16 tus tsav tsheb coj qhov ntau mus txog 2dB. 6dB yog ob npaug ntawm kev hnov suab nrov; 2dB yog qis dua tib neeg pob ntseg nkaus xwb - pom qhov sib txawv. Rau lub tsev so chaw tos txais lossis chaw ua haujlwm uas cov neeg nyob hauv qab lub array rau teev, qhov txawv yog hnov.
9.3 Kuv tus neeg tsav tsheb tau ntsuas 20W tab sis lub amplifier yog 10W. Qhov no puas muaj kev nyab xeeb?
Yog lawm, nrog rau ib qho xwm txheej: lub amplifier yuav tsum loj kom nws cov zis tas li tsis pub dhau tus neeg tsav tsheb lub zog rau lub sijhawm ntev. Lub 10W amplifier tsav tus tsav tsheb 20W ntawm 50% nce ua haujlwm ntawm tus tsav tsheb ntawm kwv yees li 2.5W txuas ntxiv (pom tias lub suab nrov yog logarithmic, tsis yog linear) - zoo nyob rau hauv tus tsav lub hnab ntawv thermal. Qhov kev pheej hmoo yog clipping: ib qho dhau - tsav amplifier tsim kev sib haum xeeb uas tuaj yeem hlawv tawm lub suab coil sai dua li qhov ntsuas lub zog xav tau. Khaws lub amplifier tawm ntawm clipping, thiab 2: 1 amplifier - rau - tsav tsheb headroom piv yog tus qauv kev lag luam PA.
9.4 Kuv puas yuav tsum xaiv W-hom (sab nraud hlau nplaum) lossis thaiv Y- hom rau qab nthab PA?
Default: W- hom, rau nws qis THD thiab siab dua. Override rau Y- hom shielded thaum lub installation nyob rau hauv 15cm ntawm magnetic-stripe nyeem ntawv, sib nqus sensors, HDDs, los yog MRI khoom. Lub txim 1–1.5dB rhiab heev thiab me ntsis siab dua THD ntawm Y- hom tau txais nyob rau hauv ib puag ncig txwv; lwm txoj kev yog thaj chaw - engineering mus ntsib los hloov daim npav magnetized lossis recalibrate rhiab cov cuab yeej.
9.5 Yuav ua li cas rov qab- ntim tuaj yeem cuam tshuam F0 thiab lub suab txawj ntse?
Rov qab- tuaj yeem ntim hloov qhov system resonance nce siab thaum ntim qis. A Φ101-120mm W- hom tsav tsheb nrog dawb-air F0 ntawm 90Hz yuav muaj qhov system F0 ntawm kwv yees li 110Hz hauv 1.5L rov qab-tau, 130Hz hauv 1.0L rov qab{{16. tuaj yeem, thiab 150.8L rov qab Rau lub suab-band daim ntawv thov (200Hz–8kHz), F0 hloov qhov teeb meem tsawg dua li qhov tshwm sim Q-factor thiab txoj hauj lwm ntawm resonance ncov txheeb ze rau 200Hz lub suab band. Ib qho 150Hz resonance hauv 0.8L tuaj yeem ua xim lub suab qis thiab txo cov qhab nia STI. XDEC tshaj tawm F0-vs- rov qab-tau-ntim nkhaus rau txhua tus neeg tsav tsheb PA uas peb xa khoom, vim qhov no yog cov lus nug peb pab pawg FAE tau txais ntau zaus.
10. Hais txog XDEC thiab yuav ua li cas koom nrog kev lag luam PA xaiv tsav tsheb
Shenzhen Xuanda Electronics Co., Ltd. (XDEC) tau tsim muaj nyob rau hauv 2009. Rau 17 xyoo, XDEC tau tsim cov neeg hais lus tsav tsheb, receivers, thiab microphones rau OEM / ODM cov neeg siv khoom hauv 30+ lub teb chaws. Cov catalog nthuav dav ntau dua 9,000 tus qauv ua haujlwm thoob plaws xya tsev neeg cov khoom lag luam - M-chav kawm mylar tsav tsheb, Y-chav kawm multimedia tsav tsheb, W-chav kawm sab nraud- cov neeg tsav tsheb hlau nplaum, BOX-chav kawm cov tsav tsheb, B-chav kawm tsav tsheb, thiab cov khoos phis tawj ultrath headphone drivers, thiab Z-class haptic feedback drivers.
Rau kev lag luam PA, Φ101-120mm W- hom hom yog ib qho ntawm peb cov kab ntau tshaj - ntim ntau lawm, nrog rau ob qho tib si 4Ω thiab 8Ω variants, matched -pair / matched-quad xaiv ntawm ± 1dB, thiab Y-hom hlau nplaum tiv thaiv lwm txoj kev xaiv. Peb tuav ISO 9001: 2015, ISO 14001: 2015, IATF 16949, thiab TUV ntawv pov thawj.
Kev txhawb nqa engineering rau kev lag luam PA cov haujlwm suav nrog cov ntaub ntawv tshuaj xyuas rau RFQs uas twb muaj lawm (48-teev hloov pauv), rov qab- tuaj yeem- ntim- tshwj xeeb F0 nkhaus rau thawj 10 units ntawm qhov project tshiab, cov qauv kev pab cuam nrog matched-pair / matched-quad xaiv, ± 1} quad kev cai ntawm ± 1. Tsis yog-tus qauv 100V / 70V kab transformer kais.
Txhawm rau pib ua lag luam PA kev tshuaj xyuas kev xaiv tsav tsheb, hu rau peb cov lus Askiv - hais lus muag engineering pab neeg:
Manager Yuan - +86 135 2888 3307
Email: xd12@xdec.cn
Lub Vev Xaib: www.xdecspeakerdriver.com
Cov khoom txheem xa tuaj hauv 3 mus rau 5 hnub los ntawm Tshuag. Cov kev cai tshwj xeeb (cov khub sib xws, kev cai F0, kev cai impedance) yuav tsum muaj 15 mus rau 20 hnub engineering thiab qauv voj voog, nrog rau ntau lawm pib 30 hnub tom qab kuaj pom zoo. Kev sim ntau lawm yog muaj los ntawm 500 units; Cov khoom txheem MOQ yog 3,000 units; kev cai specifications pib ntawm 10,000 units.
Cov ntsiab lus hais txog hauv tsab xov xwm no yog los ntawm XDEC kev tshawb fawb sab hauv thoob plaws 4,500+ tus neeg hais lus tus qauv tsav tsheb, Lub Xya Hli 2026. Engineering thresholds (F0 vs rov qab- tuaj yeem ntim, ± 1dB vs ± 3dB sib txuam, thermal derating yam) muaj kev cuam tshuam kev lag luam PA kev coj ua thiab yuav tsum tau lees paub tiv thaiv qhov project-ustic driverspeci.