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 pertanyaan bridge amp,wiring 2ohm,preamp

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qj3
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pertanyaan bridge amp,wiring 2ohm,preamp Empty
PostSubject: pertanyaan bridge amp,wiring 2ohm,preamp   pertanyaan bridge amp,wiring 2ohm,preamp Icon_minitime16/8/2011, 1:53 am

halo n salam smua,

sya ada prtnyaan basic ba mngenai audio ni..tpi x tau la klu suda dbncang cni..sya baca forum ni macam x jumpa pla..atau pun sya termiss baca..

1. biasa sya dgr org bridge tu amp..apa tu fungsinya n knpa mo bridge?apa kelebihan?

2. ari tu sya psang 4ch amp guna utk sub woofer sm midbass..tpi org yg psang dkdai tu smbung tu wofer ja pi amp..tu sya pnya mid dia direct pi HU..sya tnya knapa x smbung tu mid pi amp..dia ckap mo ada preamp lu kunun bru sng tune..sya ckap sya x mo psang tu preamp sbb HU sya suda ada EQ..dia ckp msti mo psang preamp lu..sya pun bngung..HU sya ada 4 preout..adaka tu org mlas mo tarik rca cable utk mid pi amp? atau sngaja spya sya beli durng pnya preamp?ataupun mmg btul bilangnya pkai preamp sng mo tune..sdgkan HU sya ada built in EQ???

3.apa tu mksudnya wiring 4ohm kasi jadi 2ohm..macam mn mo buat tu?..

4.di amp sya,sya tingu ada HPF sm LPF..btul ka tu mksudnya high/low pass freq? sya tingu tuk tu HPF ada adj button 120hz-3khz..LPF pla adj button 50hz-250hz..apa fungsinya tu?ini utk channel yg ada tulis rear..utk woofer la tu kali sbb tu rca cucuk dsana..lpas tu ada button boleh select 0db,6db,12db dichannel yg sama tmpat woofer tu..ini pla utk apa?itu kdai set pi 0db..tpi sya gatal tngan pinda pi 6db..kesannya woofer jdi kuat skit tapi ada pecah skit..trus sya kasi trun tu gain skit baru x pecah..skrng kekal d 6db la..

adui bnyk btul soalan ni..ada ka tu sapa2 tolong kasi terang..sya ada lgi soalan ba ni..tpi sya tnya yg ni dlu la..siaw k tlmpau pnjng pla..baru mnceburi ba..
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kent1189
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pertanyaan bridge amp,wiring 2ohm,preamp Empty
PostSubject: Re: pertanyaan bridge amp,wiring 2ohm,preamp   pertanyaan bridge amp,wiring 2ohm,preamp Icon_minitime16/8/2011, 9:50 am

sya cuba jwb dulu ya bro

1. bridge tu biasanya utk sambung dgn woofer saja bro, utk dptkan mono audio. mksudnya dia dpt nada Low saja, Hi x da.n kalu subwoofer x d bridge kan, bunyi woofer tu x keluar bro.

2. bule kalau x guna preamp, tapi x bule ejas bkin cantek la suara dia tu. mmandangkan HU bro ada 4preout, so x da masalah dgn input d preamp tu, sbb 4chnl tu ada 2input kan, satu utk subwoofer yg bro pkai skrg, satu ukt mid bass (bermaksud ada 2 set RCA kabel dri HU ke Powr amp tuh). so smbung mid bass mcam biasa la ikut - + (Cool(R) tuh. kalau ada preamp lagi bagus bro, input masuk satu saja dri HU ke preamp, pastu output dri preamp mmg suda ada utk subwoofer, rear and front speaker.. mmg cantek la pkai preamp. EQ HU tuh kalau kita nk control speaker suara tuh dia mmg akan effek subwoofer sekali.

3. nih sya x brapa pasti bro..

4. nih mmg option2 utk ejas sound bro, bule ejas ikut selera masing2, p start dr volume keci dulu, then besr.. kalau nk dngr bunyi mana yg sedap... yg 0db, dsb tu kekuatan bunyi tuh (db- tuh unit utk ukuran bunyi..) kalu besr sangat pecah subwoofer tuh nnti..

apa2 pn bro, tgu la pnjelasan dri otai2 sound system ok..
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pertanyaan bridge amp,wiring 2ohm,preamp Empty
PostSubject: Re: pertanyaan bridge amp,wiring 2ohm,preamp   pertanyaan bridge amp,wiring 2ohm,preamp Icon_minitime16/8/2011, 11:57 am

1. bridge tu bukan untuk low atau high. tweeter pn buli bridge klau ko mau dan tidak semestinya jadi mono. bridge mksudnya menggabungkan 2ch jadi 1ch. jadi klau amp 4ch tu akan jadi 2ch.tujuannya untuk membesarkan power.watt akan jadi besar. sila rujuk manual amp.

2. bergantung dngn HU juga tu.apa model HU? HU sya tdk pakai preamp...tpi suara cantik pn Laughing sbnrnya mungkin tu org suda bridge itu amp pegi jadi 2ch untuk tampung tu sub.jdi mid memang tdk buli smbung d amp suda la.kena ada amp lain lagi. ko pkai component set ka bro (mid + tweeter)
tpi klau amp tdk kena bridge memang buli smbung tu mid pegi amp.pre amp ni selain jadi eq, dia kasi bnyak preout sja.dn buli control2 sikit tu sub punya loudness la.

3. ini psal wiring ni. sa rsa bnyak suda kena explain ni.siap bergmbar lagi.cuba try google.ni wiring sama ada secara bersiri atau selari. mengikut kesesuaian spec amp. biasanya untuk double voice coil sub atau pnggunaan lebih dari satu single voice coil sub.

4. HPF/LPF tu filter untuk freq. mksudnya brapa freq yg kita mau kasi main d speaker tu.LPF mksudnya bunyi2 rendah sja yg kena main. HPF bunyi tinggi. cuba ko google.bnyak info buli dpt.ada gmbar2 lgi tu. yg ada db tu sa rsa bass boost. lebi kurang macam bro kent ckp tu la
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pertanyaan bridge amp,wiring 2ohm,preamp Empty
PostSubject: Re: pertanyaan bridge amp,wiring 2ohm,preamp   pertanyaan bridge amp,wiring 2ohm,preamp Icon_minitime17/8/2011, 1:03 am

tq bro kent n final..


soalan 1 & 2.
spec amp sya at 4ohm,rms 35w x 4..mksudnya 35w setiap channel ? atau 35w bhagi 4 chnnel ?..

bro final..amp sya yg d bridge tu hnya utk sub ja..2 chnnel pi 1 channel..yg 2 channel lgi utk midbass tu x dpkai..jdi adaka chnnel utk midbass tu masi kekal 2 chnnel atau pun automatik teikut sama tu sub mnjdi 1 chnnel ja ? wlupun tu chnnel tuk tu mid x kcau pun...klu midbas tu masi kekal 2 channel,ertinya bolela pkai utk midbas kn..x pyahla tmbh amp lgi..btulka gitu ?

sya pkai midbas yg built in tweeter pnya..speaker dpan pun built in tweetr jg..

3. oo gitu nnti sya goole lgi..sya pkai 1 ja sub yg single pnya..abis sya tingu manual dia klu 2ohm, rms akan jdi 55w x 4..

soalan tmbhan..

ikut manual, amp sya klu 4ohm ,rms bridge akan jdi 100w x 2..klu hnya sub sya ja yg d bridge ertinya jdi la 1 chnnel ja kan ? n rms dia ialah 100w...dan yg 2 chnnel lgi utk midbas klu x d bridge still lgi 2 chnnel dan rms dia ialah 35w x 2..dan dgn setup bgini,amp sya suda jdi 3 channel..btulka klu sya ckap bgini ?..adui..boleh pham ba kn ayat sya ni..
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kent1189
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pertanyaan bridge amp,wiring 2ohm,preamp Empty
PostSubject: Re: pertanyaan bridge amp,wiring 2ohm,preamp   pertanyaan bridge amp,wiring 2ohm,preamp Icon_minitime17/8/2011, 7:18 am

Q1&2
35watt utk setiap channel

bro, bila kita pakai 4channel nih, mcam sama juga kita guna 2 biji amp2 channel. so maksudnya bro ni cuma guna 2 channel, 2 channel lagi tuh free.. kalau bro guna 2 subwoofer, baru la kena bridge d keempat4 channel (2channel 1bridge). mmg x penah aku tngok org smbugn satu subwoofer bridge guna semua 4hannel amp tuh, sbb mmg org akan guna 2 channel 1 bridge g subwoofer. 2 channel yg free tu still kekal 35watt x2. betul tu bro, masih buleh guna lagi 2 channel yg satu tu utk midbass dpn n blakang. ,x payah nk tmbah amp lagi. (dgn syarat bro skrg guna 1woofer sahaja)

Q3. no idea bro..huhu

Q tmbahan
kalau 1 woofer sja, mmg 2 chnnel sja yg d bridge, kira macam jdi 1 channel. and yg 2 chnnel yg x bridge still lagi 2 channel dan rms dia sitll 35w X2. kira bule anggap 3 channel saja la skrg kalau suda bridge yg 2 chnnel tu.
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pertanyaan bridge amp,wiring 2ohm,preamp Empty
PostSubject: Re: pertanyaan bridge amp,wiring 2ohm,preamp   pertanyaan bridge amp,wiring 2ohm,preamp Icon_minitime17/8/2011, 1:40 pm

sub ko brapa ohm bro?klau sub ko 2ohm, itu amp kasi lebih bnyak power tu. tpi kadang2 ada juga amp yg tdk support klau di bawah 2ohm. sebab tu amp buli jadi panas. ohm ni dipanggil impedence level. klau sub ko 4ohm, maka 100watt la d supply oleh tu amp.kadang ada amp 4ch tdk buli support 2ohm klau bridge...cek manual.klau smbung juga kemungkinan amp panas.

itu mid build in tweeter mksud ko yg d tengah speaker itu tweeter?coaxial ka?ok ba tu.
klau ko mo smbung amp tu mid, ko kena pndai adjust tu gain la.kasi imbang dngn speaker2 lain.

itu amp masi buli lgi smbung dua mid.baca manual...mnatau tdk buli...sbab lain amp lain settingnya.

LPF untuk itu sub bagus klau ko letak dibawah 80hz.nanti pecah tu bunyi tu.tdk solid.
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pertanyaan bridge amp,wiring 2ohm,preamp Empty
PostSubject: Re: pertanyaan bridge amp,wiring 2ohm,preamp   pertanyaan bridge amp,wiring 2ohm,preamp Icon_minitime18/8/2011, 12:31 am

ok tq bro kent n final..

baru la sya pham skit2..ertinya bolela sya pkai tu 2 channel yg kosong tu utk mid...bilng tu kdai x buli kunun..mo ada preamp jg bru buli smbung tu mid pi amp..wlupun sya bilang sya pnya HU ada preout sm built in EQ..misti dia try2 mo kincing sya ni suru beli lgi preamp, sbb mngkin dia tingu sya macam tida tau apa2 tu dia offer bgitu..

anyway setup sya skrng 4ch amp brand trans (sap ayam ni kli)..sub pun trans jg (sap ayam jg ni kan?)..mid blakang coaxial direct pi hu..midrange dpan pun coaxial jg direct pi hu..nnti la ada masa sya cuba2 smbung tu mid pi amp..mo jg bljar2 mengonek ba he he..klu ada apa msalah,nnti sya up blik..
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pertanyaan bridge amp,wiring 2ohm,preamp Empty
PostSubject: Re: pertanyaan bridge amp,wiring 2ohm,preamp   pertanyaan bridge amp,wiring 2ohm,preamp Icon_minitime18/8/2011, 12:58 am

buli ba...ko p beli RCA dn speaker cable ok suda tu. sa rsa tu org mo suru ko beli preamp la tu.hehe ko punya player brapa band eq?brapa bnyak tempat adjust? trans punya brand ok juga ba.tdk la ckp cap ayam juga.sa pkai rca trans juga ba p sub...hehe
oya, 1 lgi...jn pula ko smbung smua mid p amp. takut tdk buli angkat...ko buli try2 juga la.tpi tanggung sendiri...hehe ko baca dlu tu cara wiring speaker la.ko cuba try smbung 2 speaker p 1 ch.main 2 ohm.mid ko brapa watt?
tpi tdk dpt control loudness yg blakang dngn depan la...ertinya sama kuat.

http://mobile.jlaudio.com/support_pages.php?page_id=161
ini diagram untuk Double Voice Coil sub.DVC sub ni macam ada dua sub dlm sebiji sub. tu la dia ada dua pasang terminla + dan -
jdi klau speaker yg SVC (mid kira SVC la) macam ko wiring dua biji SVC speaker la.ko try2 analisis dulu la...hehe
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pertanyaan bridge amp,wiring 2ohm,preamp Empty
PostSubject: Re: pertanyaan bridge amp,wiring 2ohm,preamp   pertanyaan bridge amp,wiring 2ohm,preamp Icon_minitime18/8/2011, 10:27 am

bro,mau tumpang topik dlu kjp boleh ka??huhuhu...
klu amplifier ni ada class dia macam class A,B,AB ect...apa kgunaan specification classes tu ya??
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pertanyaan bridge amp,wiring 2ohm,preamp Empty
PostSubject: Re: pertanyaan bridge amp,wiring 2ohm,preamp   pertanyaan bridge amp,wiring 2ohm,preamp Icon_minitime20/8/2011, 2:16 am

sya pnya EQ macam 5band klu x slap..nnti sya cek blik..HU sya doble din pioneer dvd china made ja ba..utk siuk2 tingu movie dlm kereta kunun he...x mmpu bli pioneer ori..

sya ingt mo try smbung mid blkng ja pi amp..yg speaker dpan tu biarla pi HU ja dlu..

sya pnya mid 150w peak..x tau brp rms,teda tulis..tpi sya rasa rms dlm 15w ja kli..klu 2 biji mid jdi lebi kurng 30w rms la kli..dptla kli..

itu amp sya klu main 2ohm,rms akan jdi 55w x 4..ertinya 1 channel = 55w rms..tu mid 2 biji gbung bru 30w rms..ertinya buli la men 2ohm tu mid kn? btulka tu..

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pertanyaan bridge amp,wiring 2ohm,preamp Empty
PostSubject: Re: pertanyaan bridge amp,wiring 2ohm,preamp   pertanyaan bridge amp,wiring 2ohm,preamp Icon_minitime20/8/2011, 2:19 am

ya pla bro kornuts tnya bru sya teingt..
sya pnya amp dbox dia tulis class AB..apa mksudnya tu a ?...
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finalazy84
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pertanyaan bridge amp,wiring 2ohm,preamp Empty
PostSubject: Re: pertanyaan bridge amp,wiring 2ohm,preamp   pertanyaan bridge amp,wiring 2ohm,preamp Icon_minitime20/8/2011, 3:21 am

qj3 : ya buli...cuba try la.klau amp tdk overheat boleh la tu.

kornuts: itu amp class sbnarnya ialah perbezaan cara amplification circuit dlm tu amp. ada yg mementingkan power semata2 macam class D, selalunya monoblock tpi penghasilan semula signal kurang baik. itu la org tdk guna amp class D untuk pegi mid dan tweeter sbb bunyi tdk cantik.

ini secara general sja la k...
class A pnghasilan semula signal bagus (clean reproduction) tpi power efficiency kurang.
class B amplification bagus tapi reproduction kurang baik
class C lebi kurang macam B. cuma ada up sikit suda power efficiency.tpi msih distortion.
class AB d tengah2 class A dan B.mksudnya reproduction ada ok, power efficiency pn ok juga
class D lebi kurang macam class C tpi d pertingkatkan power efficiency (MOSFET) tpi sound reproduction tdk buli lawan class AB.

bunyi kurang baik mksudnya ada distortion.

ada bnyak lagi class sbnrnya...cuba2 la try google k.jdi pnggunaan amp kena betul sbnrnya...bukn hnya pada RMS power sja.
100watt RMS class D compare dngn 100watt RMS class AB tdk sama hasilnya.
setiap speaker ni ada impedence curve. untuk freq rendah semakin tinggi la impedence (ohm) contohnya subwoofer kadang buli smpai 32ohm klau main freq 30 -40hz .klau class AB memang tdk buli la. tdk bebunyi la mksudnya...jdi class D punya mainan lor.
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pertanyaan bridge amp,wiring 2ohm,preamp Empty
PostSubject: Re: pertanyaan bridge amp,wiring 2ohm,preamp   pertanyaan bridge amp,wiring 2ohm,preamp Icon_minitime9/10/2011, 10:57 pm

tumpang lalu jap ar..mo tanya juga..jadi buli la tu speaker mid trus sambung g pre amp o mo ada pow amp juga/..hehehe..baru belajar ttg sound system kereta ne.hehehe
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pertanyaan bridge amp,wiring 2ohm,preamp Empty
PostSubject: Re: pertanyaan bridge amp,wiring 2ohm,preamp   pertanyaan bridge amp,wiring 2ohm,preamp Icon_minitime9/10/2011, 11:32 pm

tdk buli teda amp.tdk bebunyi tu.preamp tu untuk equalizer sja. mesti mau ada amp
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