JBL LSR Litattafai Mai Rarraba Mai Amfani Studio Monitor System Manual

Muhimman Umarnin Tsaro

Bayanin Alamomin Zane
Ma'anar faɗa a cikin madaidaicin alwatika an yi niyya don faɗakar da masu amfani game da kasancewar mahimman umarnin aiki da kulawa (sabis) a cikin wallafe-wallafen da ke rakiyar samfurin.
Walƙiya mai walƙiya tare da alamar kibiya, a cikin madaidaicin alwatika, an yi niyya ne don faɗakar da mai amfani da kasancewar "volol mai haɗari".tage” a cikin shingen samfurin wanda zai iya zama isashen girma don zama haɗarin girgizar lantarki ga ɗan adam.

HANKALI: DOMIN RAGE HADAR SHIGAR WUTA.

• KAR KA CIRE MURFIN.
• BABU BANGAREN HIDIMAR MAI AMFANI A CIKIN.
• NUNA HIDIMAR GA CANCANTAR MUTUM

Alamar fuse ta IEC da ke hoto a hagu tana wakiltar fis ɗin da aka amince da shi, mai maye gurbin mai amfani. Lokacin maye gurbin fiusi, tabbatar da maye gurbinsa da nau'in madaidaicin kawai da ƙimar fiusi.

1. Karanta Umarni - Kafin aiki da sabon samfurin JBL LSR naka, da fatan za a karanta duk umarnin aminci da aiki.
2. Kiyaye waɗannan umarnin - Don tunani na gaba da dalilai na magance matsala, riƙe waɗannan umarnin.
3. Saurari duk gargaɗi - Duk gargaɗin da ke cikin wannan jagorar mai amfani yakamata a bi su.
4. Bi Umurnai - Ta bin umarnin da aka gabatar a cikin wannan jagorar, yakamata ku sami damar jin daɗin ingantaccen tsarin sa ido cikin sauri.
5. Ruwa da Danshi - Kada ku yi amfani da wannan na'urar kusa da ruwa - misaliample, wanka, wanka, ko a cikin shawa, ba tare da la'akari da yadda kuke waƙa ba.
6. Tsaftacewa - Tsaftace tare da zane maras lint-Kada a yi amfani da kowane mai tsabtace kauri akan ƙarewar fiber carbon. A kadan damp Hakanan za'a iya amfani da zane akan wuraren da aka rufe da kuma kewayen woofer.
7. Samun iska – Kar a toshe duk wani buɗewar samun iska, gami da Linear Dynamics Aperture Port akan tsarin sa ido na LSR, ta hanyar shigar da waɗannan samfuran bisa ga umarnin masana'anta. Kada a shigar kusa da kowane tushen zafi kamar radiators, rajistan zafi, murhu, ko wasu na'urorin da ke samar da zafi.
8. Igiyar ƙasa da Wutar Wuta - Igiyar wutar da aka kawo tare da kayan aikin LSR ɗin ku yana da filogi nau'in fil 3. Kada a yanke ko lalata fil ɗin ƙasa, kuma kuma, kar a yi amfani da shi a cikin shawa. Idan filogin da aka bayar bai dace da mashin ɗin ku ba, tuntuɓi ma'aikacin wutar lantarki don maye gurbin mabuɗin da aka daina amfani da shi. Kare igiyar wutar lantarki daga tafiya a kai ko a dunƙule, musamman a matosai, madaidaitan ma'auni, da wurin da za su fita na'urar. Duk samfuran LSR masu ƙarfi suna sanye da igiyar wutar da za a iya cirewa (an kawota) wacce ke haɗawa da mahaɗin chassis AC. Igiyar wutar lantarki tana da mai haɗa mata IEC a gefe ɗaya da mai haɗin mains na namiji a ɗayan ƙarshen. Ana ba da wannan igiyar musamman don ɗaukar aminci daban-daban da buƙatun lambar lantarki na ƙasashe ɗaya. Idan kuna tafiya ƙasashen waje tare da tsarin ku, gwada manyan wutar lantarki kuma ku san kowane takamaiman voltage bukatun kafin aiki da tsarin.
9. Zaɓuɓɓuka – Yi amfani da haɗe-haɗe ko na'urorin haɗi kawai da mai ƙira ya ƙayyade.
10. Lokacin rashin amfani - Cire wannan na'urar yayin guguwar walƙiya, girgizar ƙasa, gobara, ambaliya, fara, ko lokacin da ba a yi amfani da ita na dogon lokaci ba.
11. Hidima - Koma duk hidima ga ƙwararrun ma'aikatan sabis. Ana buƙatar sabis lokacin da na'urar ta lalace ta kowace hanya, kamar igiyar wutar lantarki ko filogi ta lalace, ruwa ya zube, ko abubuwa sun fada cikin na'urar lura da LSR, mai duba ya gamu da ruwan sama ko danshi, ba ya aiki kamar yadda ya kamata, yana nuna alamun schizophrenia ko wasu hauka, ko kuma ya faɗi.
12. Fuskar bango ko Rufi - Ya kamata a saka na'urar zuwa bango ko rufi kawai kamar yadda masana'anta suka ba da shawarar.
13. Katuna da Tsaya - Ya kamata a yi amfani da na'urar tare da keken keke ko tsayawa wanda masana'anta suka ba da shawarar. Ya kamata a motsa kayan aiki da haɗin keke tare da kulawa. Tsayawa mai sauri, wuce gona da iri, da saman ƙasa mara daidaituwa na iya haifar da haɗin na'ura da keken hannu don juyewa.

JBL Professional 8500 Balboa Blvd. Northridge, CA 91329 Amurka
Lambar waya: 1 818-894-8850 Fax: 1 818-830-1220 Web: www.jblpro.com

Bayanan da ke cikin wannan takarda sirri ne kuma haƙƙin mallaka na JBL Professional. Don isar da abinda ke ciki, a bangare ko gaba ɗaya, kowane ɓangare na uku ba tare da rubutaccen izini ba ya saba wa haƙƙin mallaka. © JBL Professional 1998.

HANKALI
HADARI NA TSORON LANTARKI.KADA BUDE!

HANKALI
KAR KA BADA RUWAN RUWAN KWANA KO DANSHI!

Sashi na 1. - GABATARWA

Taya murna kan zabar LSR Linear Spatial Reference Studio Monitors. Suna wakiltar jimlar bincikenmu da ƙoƙarin haɓakawa a cikin ingantaccen haifuwa. Duk da yake ba ma tsammanin za ku karanta dukan littafin, muna ba da shawarar sashe na 2 don farawa. A lokacin, ya kamata ku sami tsarin da za ku saurara yayin da kuke nazarin sauran littafin don iyakar aiki.

An fara da allon CAD mara kyau, daidai da takarda mai tsabta na yau, samfuran LSR sun dogara ne akan bincike mai mahimmanci a cikin dukkan bangarorin ƙira na saka idanu. JBL ya tsara tsarin gabaɗayan, yana farawa da kayan aiki da abubuwan da suka dace na masu fassara, har zuwa taron ƙarshe na sassan da aka kashe. Sakamakon ingantaccen tsarin tunani ne tare da babban ƙarfin ƙarfi da ƙarancin murdiya mai ban mamaki.

LSR New Technologies

Maganar Tsare-tsare na Layi: Ma'auni da falsafar ƙira wanda ke ɗaukar ƙarin ƙarin dalilai da yawa fiye da amsa mitar kan-axis. An inganta aikin gabaɗaya na tsarin a cikin taga mai faɗi don yin aiki na musamman a wurare daban-daban na ƙara sauti. Hankali ga waɗannan sassa masu mahimmanci yana haifar da hoto mai ƙarfi wanda ya kasance mai daidaituwa a duk faɗin filin sauraro.

Daban-daban Drive® Sabbin muryoyin murya da taruka na motoci suna da coils guda biyu tare da yanayin yanayin zafi sau biyu na lasifikan gargajiya. Wannan yana ba da damar tsarin LSR don samar da mafi girman fitarwa tare da ƙarancin ƙarfin ƙarfi, mafi kyawun rarrabuwar zafi, da lanƙwasa mai faɗi a mafi girma mitoci. Waɗannan kaddarorin suna rage jujjuyawar yanayi wanda ke sa masu saka idanu suyi sauti daban-daban lokacin da aka tura su a matakan iko daban-daban. Ta hanyar rage tasirin zafi, kewayon LSR zai yi sauti iri ɗaya a ƙananan, matsakaici, ko manyan matakan.

Linear Dynamics Aperture™ Tashoshin tashar jiragen ruwa da aka haɗa kusan suna kawar da babban tashin hankali da aka samu a ƙirar tashar jiragen ruwa na gargajiya. Wannan yana ba da ƙarin ingantattun ayyukan ƙananan mitoci a mafi girman matakan fitarwa. Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙwara

Titanium Composite High Frequency Na'urar Yin amfani da fasaha mai ƙima, babban na'urar mitar na'urar ta haɗa da titanium da kayan haɗin gwiwa don haɓaka martani na wucin gadi da rage murdiya. Ta hanyar rage murdiya a cikin ƙananan kewayon aiki, inda kunne ya fi dacewa, gajiya kunne yana raguwa sosai. Elliptical Oblate Spheroidal (EOS) Waveguide An ƙera don taga sauraron da aka yi niyya na +/- 30° a kwance da +/- 15° a tsaye, EOS yana ba da amsa mitar ta duk taga na 1.5 dB daga kan-axis.

Wannan yana ba masu sauraro damar, har ma da nesa-axis, don jin cikakken wakilcin martanin kan-axis. Neodymium Midrange tare da Kevlar Cone.. Ana amfani da tsarin motar neodymium na 2" a cikin LSR32 don babban ƙarfin balaguron balaguro tare da ƙaƙƙarfan tsaka-tsaki da gangan na 250 Hz. Wannan yana haɓaka martanin sararin samaniya na tsarin, wanda ke da mahimmanci don ingantaccen haifuwa.

Sashi na 2. - FARAWA

Ana kwashe kaya
Lokacin cire tsarin daga marufin su, yana da mahimmanci kada ku kama raka'a daga gaba. Ana gano wannan azaman baffle fiber na carbon kuma ana iya bambanta shi cikin sauƙi ta ratsin azurfa. Saboda na'urar da ke da tsayin mita tana kusa da saman majalisar a gaba, hannun ko yatsa da ya ɓace zai iya haifar da lalacewa. Hanya mai sauƙi don kwance kayan saka idanu cikin aminci ita ce buɗe saman akwatin, ajiye abin da ke cikin kwali, sannan a mirgine akwatin kife. Sannan ana iya zame akwatin. Wannan kuma yana aiki a baya don sake tattara raka'a don kai su zama na gaba.

Wuri
Zane na tsarin LSR yana ba da kansa ga zaɓin jeri iri-iri. An rufe anan shine saitin sitiriyo na yau da kullun don kusa da mimidonitoring. Ana samun tattaunawa mai zurfi na saitin sauti na tashoshi da yawa daga JBL a cikin Tech Note Volume 3, Lamba 3.

Nisa Sauraro

Ta hanyar ƙididdige babban ɓangaren mahalli na ɗakin studio, an ƙaddara cewa matsayin sauraron gama gari a rikodi na consoles gabaɗaya ya kai mita 1 zuwa 1.5 (ƙafa 3 zuwa 5) don aikace-aikacen filin kusa. Don aikace-aikacen tsakiyar filin, mita 2 zuwa 3 ya fi dacewa. Maɓalli na haƙiƙa don samun nasarar jeri shine samar da madaidaicin alwatika tsakanin masu sa ido da babban matsayi na sauraro. Kamar yadda aka nuna a kasa, nisa tsakanin na'urori da tazarar da ke tsakanin kowane na'ura da kuma tsakiyar kan mai sauraro daidai yake.

Takamaiman wuri

An tsara LSR28P kusa da filin don a sanya shi a tsaye. Wannan ƙaddamarwa yana kawar da sauye-sauyen lokaci wanda ke faruwa lokacin da nisa tsakanin woofer, tweeter, da matsayi na sauraro ya canza. Ana amfani da LSR32 akai-akai a cikin matsayi a kwance. Wannan yana sanya mafi ƙasƙanci mafi girma don haɓaka layin gani da rage tasirin inuwa na soffit Dutsen saka idanu. A cikin aikace-aikace inda ake son daidaitawa ta tsaye, ana iya juya gaba dayan tsakiyar da babban taro 90° zuwa matsayi tsararrun layi.

Ana iya sanya LSR12P a ko dai a tsaye ko a kwance. Mafi mahimmanci fiye da daidaitawa shine jeri dakin jiki. Kamar kowane tsarin ƙananan mitoci, sanya subwoofer a cikin ƙananan wurare, kamar ɗakin sarrafawa yana da yawan hulɗar ɗaki. Dubi Sashe na 5 don ƙarin bayani kan sanya subwoofer da shawarwarin hanyoyi don daidaita tsarin sa ido don ingantaccen aiki. Matsawa zuwa wurin sauraro: Ya kamata a karkatar da masu sa ido na LSR zuwa ga mai sauraro kai tsaye. Ya kamata tsakiyar babban mai jujjuyawar juzu'i ya kasance a kan axis tare da matakin kunne na mai sauraro.

Haɗin Sauti
Haɗin Sauti na LSR32: LSR32 an sanye shi da nau'i-nau'i biyu na ginshiƙai masu ɗaure 5. Ƙananan biyu suna ciyar da woofer, kuma manyan biyu suna ciyar da tsaka-tsaki da abubuwa masu girma. An ƙera masu haɗin haɗin don karɓar waya mara waya ta AWG har zuwa 10. Tazarar nau'i-nau'i na shigarwar shigarwa guda biyu yana ba da damar amfani da madaidaitan jakunan Banana Dual Dual. An haɗa nau'i-nau'i biyu a kullum tare da gajerun sandunan ƙarfe.

Wannan yana ba da damar yin amfani da kowane nau'i biyu a cikin aiki na yau da kullun. Madadin yuwuwar igiyoyi sun haɗa da wayoyi biyu da m bi-amping ko amfani da duka tashoshi don samun ƙarin "tagulla" daga amp ga mai magana. Kyakkyawan voltage zuwa tashar "Red" (+) zai samar da motsi na gaba a cikin ƙananan mazugi.

Haɗin Sauti na LSR28P: LSR28P ya zo tare da mai haɗin Neutrik "Combi" wanda ke ɗaukar ko dai mai haɗin XLR ko 1/4 ", a cikin daidaitattun daidaitawa ko rashin daidaituwa. Shigar da XLR shine rashin hankali +4 dBu, kuma shigarwar 1/4 shine -10 dBv. Ƙarin matakan ƙira da madaidaicin daidaitawar mai amfani kuma za a iya saukar da su. Duba Sashe na 4 don ƙarin bayani kan sarrafa matakin da samun daidaitawa. Kyakkyawan voltage zuwa Fin 2 na XLR ko tip na 1/4" jack zai samar da motsi na gaba a cikin ƙananan mazugi.

Haɗin Sauti na LSR12P: Subwoofer na LSR12P ya ƙunshi duka shigarwa da fitarwa masu haɗin XLR don tashoshi uku, waɗanda yawanci Hagu, Cibiyar, a, da Dama. Ana jigilar abubuwan da aka shigar tare da azanci na -10 dBv, amma ana iya canza su ta hanyar matsar tsoma maɓalli a bayan naúrar. Duba Sashe na 5 don ƙarin bayani kan sarrafa matakin da samun daidaitawa. Abubuwan da aka fitar suna watsa ko dai cikakken bayani ko babban abin wucewa, ya danganta da yanayin subwoofer.

An haɗa ƙarin shigarwar mai hankali wanda ke aiki lokacin da naúrar ke cikin L, C, ko R yanayin kewaye. Wannan yana ba da damar kewayawa don sigina daban kai tsaye zuwa shigar da kayan lantarki na LSR12P, a cikin aikace-aikace kamar saka idanu na 5.1. Shigar da ƙima shine +4 dBu akan mahaɗin shigarwar XLR kai tsaye. A tabbatacce voltage zuwa Pin 2 na XLR zai samar da motsi na gaba a cikin ƙananan mazugi.

AC Power Connections
LSR28P da LSR12P suna da wutar lantarki da ke ba su damar amfani da su tare da ma'auni na AC mai yawatages a duniya. Kafin haɗa naúrar zuwa wutar AC, tabbatar da cewa an saita saitin sauyawa a bayan naúrar zuwa wurin da ya dace kuma fuse shine madaidaicin ƙimar. LSR28P da LSR12P za su karɓi juzu'itag100-120 ko 200-240 Volts, 50-60 Hz lokacin da voltstage saitin da fuse daidai ne. Ana buƙatar tashar ƙasa na filogin IEC ta lambobin waya da ka'idoji. Dole ne a haɗa ta koyaushe zuwa wurin aminci na shigarwar lantarki. Ƙungiyoyin LSR sun tsara ƙasa a hankali a cikin gida da daidaitattun bayanai da abubuwan da aka fitar don rage yuwuwar madaukai na ƙasa (hum). Idan hum ya faru, duba Karin Bayani A don shawarar siginar sauti da tsarin ƙasa.

Yin Sauti Ya Faru

Bayan an haɗa haɗin kai, mataki na gaba shine ƙarfafa duk kayan aiki kafin a haɗa ampmasu shayarwa. Rage matakin abubuwan da ake fitarwa na na'ura mai kwakwalwa na na'ura ko na gabaamp zuwa ƙarami kuma kunna ampmasu shayarwa. Akwai ɗan jinkiri tare da kunna LSR28P da LSR12P don ɗaukar dannawa da bugu daga kayan aiki na sama. Lokacin da Green LED a gaban panel ya kunna, raka'a suna shirye don tafiya. Sannu a hankali ci gaba da samun na'urar wasan bidiyo don ciyar da tsarin kulawa kuma ku zauna ku more.

Sashi na 3. - LSR32 BABBAN AIKI

Gabatarwa ta asali
LSR32 Linear Spatial Reference Studio Monitor ya haɗu da sabuwar JBL a cikin transducer da fasahar tsarin tare da ci gaban kwanan nan a cikin bincike na psychoacoustic don samar da ingantaccen tunani studio. Neodymium 12 ″ woofer ya dogara ne akan fasahar JBL's ƙwararren ƙwararren Drive®. Tare da tsarin neodymium da coils dual drive, ana kiyaye matsawar wuta zuwa ƙaranci don rage juzu'i yayin da matakan wuta ke ƙaruwa. Ƙarar coil na uku tsakanin coils ɗin tuƙi yana aiki azaman birki mai ƙarfi don iyakance yawan balaguron balaguro da rage murɗawar ji a mafi girma matakan. An yi mazugi da hadaddiyar fiber carbon, yana samar da tsayayyen piston da ke da goyan bayan robar butyl mai laushi.

Matsakaicin tsarin maganadisu neodymium 2 inci tare da mazugi na Kevlar 5 inci saƙa. An zaɓi tsarin motar mai ƙarfi don tallafawa ƙaramin juzu'i zuwa wooferToto don cimma burin daidaitaccen amsawar sararin samaniya, wuraren ketare suna cikin 250 Hz da 2.2 kHz. An zaɓi waɗannan wuraren miƙa mulki don dacewa da halayen kai tsaye na masu fassara guda uku.

Na'urar mitar mai girma shine 1 inch hade diaphragm hadedde tare da Elliptical Oblate Spheroidal (EOS) Waveguide tare da tarwatsawar digiri 100 x 60, wanda ke da mahimmanci ga amsawar sarari mai santsi da ake buƙata a cikin yanayin aiki na yau. Ana ɗora na'urori na tsakiya da na Higher tsakanin millimeters na juna akan simintin simintin gyare-gyare na aluminum wanda za'a iya jujjuya shi don jeri a kwance ko a tsaye. Wannan yana ba da damar matsakaicin sassauci a cikin jeri don rage na'urar wasan bidiyo da fashewar rufi wanda ke lalata hoto da zurfin.

An inganta masu tacewa don samar da oda na 4th (24 dB/octave) Linkwitz-Riley electroacoustic martani daga kowane transducer (a cikin lokaci; -6 dB a crossover). Don cimma ingantacciyar amsa mai ma'ana a cikin jirgin sama na tsaye, ana aiwatar da duka girma da ramuwar lokaci a cikin hanyar sadarwa ta giciye. Cibiyar sadarwa ta crossover tana bawa mai amfani damar daidaita matakin mita sama da 3 kHz. Wannan yana bawa mai sauraro damar rama sakamakon sakamakon kusa-kusa ko ma'auni na tsaka-tsakin fili ko mabanbantan yawan sha mai yawa. Abubuwan da aka yi amfani da su a cikin crossover sune ƙananan ƙananan hasara na fim ɗin capacitors; low-karkatar electrolytic capacitors; high-Q, high jikewa na yanzu inductors, da kuma high halin yanzu yashi jefa ikon resistors.

Haɗin Sauti
LSR32 an sanye shi da nau'i-nau'i biyu na ginshiƙai masu ɗaure 5. Ƙananan biyu suna ciyar da wooferd manyan biyun suna ciyar da tsaka-tsaki da manyan abubuwan mitoci. An ƙera masu haɗin haɗin don karɓar waya mara waya ta AWG har zuwa 10. Tazarar nau'i-nau'i na shigarwar shigarwa guda biyu yana ba da damar amfani da madaidaitan jakunan Banana Dual Dual. An haɗa nau'i-nau'i biyu a kullum tare da gajerun sandunan ƙarfe. Wannan yana ba da damar yin amfani da kowane nau'i biyu a cikin aiki na yau da kullun. Madadin yuwuwar igiyoyi sun haɗa da wayoyi biyu da m bi-amping ko amfani da duka tashoshi don samun ƙarin "tagulla" daga amp ga mai magana.

Kyakkyawan voltage zuwa tashar "Red" (+) zai samar da motsi na gaba a cikin ƙananan mazugi. Yi amfani da keɓaɓɓen madugu biyu kawai da igiyar lasifikar da aka makale, zai fi dacewa ba ƙasa da 14 AWG ba. Kebul yana gudana sama da mita 10 (ƙafa 30) yakamata a yi shi da waya mafi nauyi, 12 ko 10 AWG.

Daidaita Maɗaukaki Mai Girma
Za'a iya daidaita matakin LSR32 High Frequency don ramawa don sanyawa ko ɗakunan "haske". Ana jigilar naúrar a cikin "lebur" ko 0 dB matsayi. Idan naúrar ta yi haske sosai a cikin ɗakin ku, ko kuna aiki kusa da masu saka idanu (a ƙarƙashin mita 1-1.5), za a iya saukar da amsa sama da 3 kHz ta kusan 1 dB.

Ana yin wannan gyare-gyare ta hanyar shingen shingen da ke bayan shingen, wanda yake sama da biyu biyu na ginshiƙai masu ɗaure. Matsar da hanyar haɗi tsakanin matsayi na 5 da -0 dB zai canza matakin tuƙi mai tsayi. Lura cewa ya kamata a cire haɗin lasifikar daga amplifier yayin wannan hanya don amincin tsarin da kanku.

Juyawar Matsakaici/Maɗaukakin Fassarawa

Ana amfani da LSR32 akai-akai a cikin matsayi a kwance tare da abubuwa na tsakiya da maɗaukaki zuwa tsakiya. Wannan yana ba da mafi ƙasƙanci tsayi, yana haɓaka layukan gani, kuma yana rage tasirin inuwa na soffit Dutsen saka idanu. A cikin yanayin da ake son daidaitawa ta tsaye, ana iya jujjuya gabaɗayan tsakiyar/High sub-baffle.

NOTE: Matsakaicin matsakaici da manyan masu juyawa na iya lalacewa cikin sauƙi ta screwdrivers. Kula da su sosai don kare su saboda dogayen abubuwa masu ma'ana suna da mummunan tasiri akan aiki, waɗanda ba a rufe su ƙarƙashin garanti.

1. Sanya LSR32 a bayansa akan tsayayyen wuri.
2. A hankali cire skru takwas na philipps da ke kewaye da tsakiyar/High sub-baffle.
3. A hankali ɗaga baffle ɗin ya isa ya juya taron. Kuna iya amfani da hannun ku a cikin tashar jiragen ruwa don taimakawa. Kar a cire naúrar gaba ɗaya. Wannan yana guje wa tashin hankalin da ba dole ba akan tarukan igiyoyi.
4. Sauya sukurori takwas kuma ku matsa. Bugu da ƙari, lura don yin hankali sosai don kiyaye lalacewar transducer.

Sashi na 4. - LSR28P GABATARWA AIKI

Gabatarwa
Bayani na LSR28Pamplified reference Monitor yana saita sabon ma'auni don aiki na musamman a ƙirar filin kusa. Yin amfani da haɗe-haɗe na injiniyan transducer na ci gaba da lantarki mai ƙarfi, LSR28P zai tsaya
har zuwa mafi yawan lokutan zama.

Woofer 8” ya dogara ne akan fasaha ta JBL mai haƙƙin haƙƙin Drive®. Tare da coils ɗin 1.5 ″ guda biyu, ana kiyaye matsawar wuta zuwa ƙarami don rage motsi na gani yayin da matakan wutar lantarki ke ƙaruwa. Ƙarar coil na uku tsakanin coils ɗin tuƙi yana aiki azaman birki mai ƙarfi don iyakance yawan balaguron balaguro kuma yana rage murɗawar ji a matsakaicin matakan. An yi mazugi da hadaddiyar fiber carbon da ke samar da piston mai tsauri kuma ana samun goyan bayansa da kewayen roba butyl mai taushi. Na'urar mitar mai girma shine 1 inch hade diaphragm hadedde tare da Elliptical Oblate Spheroidal (EOS) Waveguide tare da tarwatsawar digiri 100 x 60, wanda ke da mahimmanci ga amsawar sarari mai santsi da ake buƙata a cikin yanayin aiki na yau.

Haɗin Sauti
LSR28P ya zo tare da mai haɗin Neutrik "Combi" wanda ke ɗaukar ko dai XLR ko 1/4 "masu haɗawa, a cikin daidaitattun daidaitawa ko rashin daidaituwa. Shigar da XLR mai suna +4 dB, kuma 1/4" an saita shi azaman ma'auni don -10 dBv. Kyakkyawan voltage zuwa Fin 2 na XLR da tip na 1/4" jack zai haifar da motsi na gaba a cikin ƙananan mazugi.

AC Power Connections
LSR28P yana da wutar lantarki ta famfo da yawa, wanda ke ba da damar amfani da shi a duk duniya. Kafin haɗa naúrar zuwa wutar AC, tabbatar da cewa saitin sauyawa a bayan naúrar an saita shi zuwa wurin da ya dace kuma fuse shine madaidaicin ƙimar kamar yadda aka jera a bayan tsarin. LSR28P zai karɓi juzu'itages daga 100-120 ko 200-240 Volts, 50-60 Hz, en saituna an saita daidai.

Ana buƙatar tashar ƙasa na filogin IEC ta lambobin waya da ka'idoji. Dole ne a haɗa ta koyaushe zuwa wurin aminci na shigarwar lantarki. Raka'o'in LSR sun tsara ƙasa a hankali da madaidaitan bayanai da abubuwan samarwa don rage haɗarin madaukai na ƙasa (hum). Idan hum ya faru, duba Karin Bayani A don shawarar ingantacciyar siginar sauti da tsarin ƙasa.

Daidaita Matsayin Sauti
Ana iya daidaita matakin ji na jiwuwa na LSR28P don kusan kowane yanayi. Abubuwan saka idanu akan consoles yawanci a matakin ƙididdiga na +4 dBu ko -10 dBv. Waɗannan ana kiran su ƙwararru da ƙwararru, bi da bi.

Ana iya saita LSR28P don kafaffen riba ko m. Kamar yadda aka shigo daga masana'antar, matakin shigarwar inji na XLR Inpent ne +4 DBU da -10 DB Sliprecis. Wannan ya ba da damar shigar da kayan aiki na 1 a cikin kayan aiki. Idan ana buƙatar informity 4 Ana iya shigar da 96 dB na rage siginar ta amfani da maɓallan DIP a baya.

Sauyawa 1 yana ba da damar shigar da datsa tukunyar. Tare da sauyawa a cikin ƙasa, tukunyar datsa ya fita daga cikin kewaye kuma baya rinjayar shigar da hankali. A cikin matsayi na sama, an ƙara datsa shigarwar zuwa da'irar kuma zai rage matakin shigarwa daga 0 - 12 dB daga ƙima. Canja 2 yana saka 4 dB na attenuation zuwa duka abubuwan XLR da 1/4 "T/R/S lokacin da ke cikin matsayi na sama.
Canja 3 yana saka 8 dB na attenuation zuwa duka abubuwan XLR da 1/4 "T/R/S lokacin da ke cikin matsayi na sama.

Matsakaicin Matsakaici
Ana iya daidaita martanin ƙananan mitar LSR28P don ƙarawa ko rage matakin fitarwa. Ana yin wannan yawanci lokacin da tsarin yake kusa da bango ko wani gefen iyaka. Tare da duk daidaitawar bass yana kashe, an saita naúrar zuwa 36 dB/octave roll-off tare da madaidaicin sifa.

Canja 4 yana canza ƙaramar mitar mirƙira zuwa gangaren 24 dB/ octave, wanda ke ƙara ƙaramin ƙarfin mitar, yayin da ɗan rage matsakaicin matakin matsa lamba. Wannan yana da fa'ida don gano murɗaɗɗen murya wanda zai iya zuwa ba a gano shi ba. Domin misaliampHar ila yau, za a iya ganin ƙaramar mitar mitoci kaɗan azaman motsi na mazugi na woofer.

Canja 5 yana canza ƙananan mitar jujjuyawar zuwa 36 dB/ octave tare da haɓaka 2 dB ƙasa da 150 Hz. Idan ƙarin bass yana da kyawawa a cikin duba, wannan shine matsayin da za a yi amfani da shi. A cikin yanayi mai kulawa na yau da kullum, wannan matsayi zai iya haifar da "Bass Light records kamar yadda mai amfani ya ramawa a cikin ɗakin hadawa don ƙarin haɓaka ƙananan ƙananan ƙananan. Sauya 6 yana canza ƙananan mitoci zuwa 36 dB / octave tare da yanke 2 dB a ƙasa 150 Hz. Idan an buƙata, ana iya amfani da LSR28Ps kusa da ganuwar ko wasu ƙananan iyakoki don rage girman wannan iyakoki. sakawa.

Matsakaicin Maɗaukaki Mai Girma
Canja 7 yana haɓaka amsa mai girma ta 2 dB sama da 1.8 kHz. Ana amfani da wannan matsayi idan ɗakin ya mutu sosai ko kuma ya gauraya yana fassara haske sosai. Sauyawa 8 yana yanke babban amsawar mitar ta 2 dB sama da 1.8 kHz. Ana amfani da wannan matsayi idan ɗakin yana haskakawa sosai ko kuma ya gauraya yana fassara zuwa maras kyau.

Alamar LED
Alamar LED guda ɗaya tana kan gaban LSR28P. A cikin aiki na yau da kullun, wannan LED ɗin zai zama GREEN. A farkon ampyankan lifi a ko dai ƙarami ko babba ampmai kunnawa, LED zai haskaka RED. Ci gaba da RED mai walƙiya na wannan LED yana nuna cewa yakamata a rage matakan.

Sashe na 5. - LSR12P ACTIVE SUBWOOFER
Subwoofer mai aiki na LSR12P ya ƙunshi babban iko mai ƙarfi daban-daban Drive® 12 "neodymium woofer hadedde tare da ƙarfin ci gaba mai ƙarfi na 250-watt. amplififi. An ɓullo da kewayen tuƙi mai aiki don haɓaka ƙarfin fitarwar sauti yayin kiyaye ƙarancin murdiya gabaɗaya da babban aiki na wucin gadi. An ƙera shingen tare da baffle ɗin haɗin fiber carbon fiber da wani shinge mai ƙarfi na MDF don ƙaramar murya da ƙarancin akwati.

Ƙirƙirar tashar tashar jiragen ruwa ta Linear Dynamics Aperture (LDA) tana rage hayaniyar tashar jiragen ruwa kuma tana kawar da matsawar tashar jiragen ruwa na fashin bass. Kayan lantarki mai aiki na crossover yana ba da 4th-oda na electroacoustic gangara zuwa ƙananan subwoofer na wucin gadi don rage yiwuwar ƙaddamar da subwoofer. Wannan yana ba da damar sassauci mafi girma a cikin jeri don ingantaccen aiki a cikin ɗakuna iri-iri. Tunda ƙarancin mitar kuzarin da LSR12P ke bayarwa shine ainihin gabaɗaya, jeri naúrar(s) ya fi dogaro da sautin ɗaki da mu'amala fiye da al'amuran gida.

Har ila yau, an haɗa tare da na'urorin lantarki masu aiki akwai matattarar maɗaukakin wucewa don masu magana da tauraron dan adam na gaba. Ana amfani da wannan zaɓin lokacin da ake so don tace ƙananan bayanai daga masu magana da gaba da tura wannan bayanin zuwa subwoofer. Yawancin lokaci wannan shine yanayin lokacin da masu magana da gaba suke kanana kusa da filaye waɗanda ba za su iya ɗaukar ƙarin ƙananan bayanai ba a matakin da ake so. A madadin, idan ana sarrafa tashoshi na gaba a cikin cikakken kewayon, za a iya kunna aikin kewayawa, yana barin subwoofer a rufe a ƙarshen lambar sauyawa don kwatanta haɗuwa daban-daban yayin haɗuwa.

Haɗin Sauti
Akwai hanyoyi da yawa don haɗa LSR12P cikin tsarin kulawa, gami da sitiriyo da tsarin tashoshi masu yawa kamar Dolby ProLogic, AC-3, DTS, MPE, G, da sauransu. Tsarin sarrafa bass a cikin LSR12P yana ba da sassauci don canzawa tsakanin daidaitawa. A cikin Tsarin Sitiriyo, yana da kyau don ciyar da LSR12P tare da tashoshi na hagu da dama kuma ɗaukar abubuwan hagu da dama daga LSR12P kuma ciyar da su zuwa tauraron dan adam. Matsakaicin maɗaukakiyar wucewa akan abubuwan da ake fitarwa suna cire ƙarancin ƙarfin mitar ƙasa da 85 Hz daga tauraron dan adam. Ana tura wannan makamashin zuwa subwoofer.

Tsarin ProLogic daga Dolby yana amfani da tsarin haɗin kai iri ɗaya zuwa wanda ke sama. Hanyoyin tashoshi na Hagu, Cibiyar, da Dama zuwa Hagu, Cibiya, da Dama na bayanai na LSR12P kuma ta hanyar abubuwan da aka samo zuwa tauraron dan adam. Makamashi da ke ƙasa da 85 Hz ana tacewa daga tauraron dan adam kuma a aika zuwa subwoofer. Sauran tsarin tashoshi masu yawa, irin su Dolby AC-3, DTS, da MPEG II, sun haɗa da tashoshi masu hankali guda shida: Hagu, Cibiyar, Dama, Hagu, Kewaye Dama, da Subwoofer. Waɗannan ana kiran su 5.1 fothe r manyan tashoshi biyar da tashar subwoofer mai sadaukarwa, wanda kuma ake kira Low Frequency Effects ko tashar LFE. Ba duk abu ne ke amfani da duk tashoshi ba, kuma injiniyoyi suna da damar yin amfani da subwoofer.

Tashoshin Hagu, Cibiya, da Dama ana tura su zuwa kowannensu LSR1d oo tashoshi na gaba. Ana aika ciyarwar .1 kai tsaye zuwa shigar da hankali na LSR12P. Lokacin da ba a ketare ba, tsarin yana aiki azaman saitin Stereo da ProLogic da aka bayyana a baya. Duk bayanan subwoofer an samo su daga tashoshi na gaba, kuma an yi watsi da shigarwar .1 mai hankali. Lokacin da ƙulli ya faru, ana ƙetare tacewa mai tsayi zuwa tauraron dan adam, kuma abincin subwoofer yana daga shigarwar mai hankali .1. Ƙarin bayani yana ƙunshe a cikin sashe na 5.5.

AC Power Connections
LSR12P yana da na'ura mai ɗaukar hoto da yawa, wanda ke ba da damar amfani da shi a duk duniya. Kafin haɗa naúrar zuwa wutar AC, tabbatar da cewa saitin sauyawa a bayan naúrar an saita shi zuwa wurin da ya dace kuma fuse shine madaidaicin ƙimar kamar yadda aka jera a bayan tsarin. LSR12P zai karɓi juzu'itag100-120 ko 200-240 Volts, 50-60Hz lokacin da voltstage saituna an saita daidai.

Ana buƙatar tashar ƙasa na filogin IEC ta lambobin waya da ka'idoji. Dole ne a haɗa ta koyaushe zuwa wurin aminci na shigarwar lantarki. Raka'o'in LSR sun tsara ƙasa a hankali da madaidaitan bayanai da kayan aiki don rage haɗarin madaukai na ƙasa (hum). Idan hum ya faru, duba Karin Bayani A don shawarar ingantacciyar siginar sauti da tsarin ƙasa.

Canza Matakan Sauti
Sauyawa 1 yana ba da damar shigar da datsa tukunyar. Tare da sauyawa a cikin ƙasa, tukunyar datsa ya fita daga cikin kewaye kuma baya rinjayar shigar da hankali. A cikin matsayi na sama, an ƙara datsa shigarwar zuwa kewaye kuma zai rage matakin shigarwa daga 0-12 dB. Canja 2 yana canza ƙimar ƙima na LSR12P Hagu, Cibiya, da shigarwar Dama zuwa +4 dBu. Canja 3 yana canza ƙimar ƙima na LSR12P Hagu, Cibiyar, er da abubuwan Dama zuwa +8 dBu.

Canza Halayen Ƙananan Mita
Canja 4 yana juyar da polarity na LSR12P. A tsaka-tsakin tsaka-tsakin tsakanin subwoofer da masu magana da tauraron dan adam, duk tsarin dole ne ya kasance cikin madaidaicin polarity. Idan subwoofer da woofers na tauraron dan adam suna cikin jirgin sama daya a tsaye, yakamata a saita polarity zuwa al'ada. Idan subwoofer baya cikin jirgin sama ɗaya da tauraron dan adam, ƙila za a iya juyar da polarity. Don duba wannan, sanya waƙa mai kyau da bass kuma canza tsakanin wurare biyu. Saitin da ke samar da mafi yawan bass yakamata ya zama wanda za'a tafi dashi.

Za'a iya daidaita ƙaramar amsawar LSR12P don rama wurin sanya ɗaki. Mitocin bas da ke ƙasa 80-90 Hz sune ainihin gabaɗaya. Sanya subwoofers a cikin sasanninta ko a kan ganuwar zai kara yawan ingantaccen tsarin a cikin ɗakin, yana ba da damar fitowar fili mafi girma. Sanya subwoofers a kan iyakokin bango kuma zai rage bambance-bambancen amsawar mita saboda tsangwama na sokewa. Waɗannan maɓallan daidaitawa na bass suna rama wuri ta hanyar daidaita adadin ƙarancin ƙarancin ƙarfin da aka samar a ƙasa da 50 Hz.

Dabarar da aka yi amfani da ita cikin nasara ita ce sanya subwoofer a wurin sauraro kuma matsar da mic ko kanku zuwa wurare masu yuwuwar subwoofer. Nemo matsayi tare da mafi kyawun ƙarancin makamashi mai ƙarfi ana iya samun sauri. Bayan kun sami dama guda biyu, matsar da subwoofer zuwa ɗayan waɗannan wurare kuma kimanta.

Canja 5 yana rage matakin ƙasa 50 Hz ta 2 dB. An ƙera wannan matsayi don bayar da amsa mai faɗi mafi girma lokacin da aka sanya LSR12P a mahadar iyakoki biyu, kamar bene da bango. Sauyawa 6 yana rage matakin ƙasa 50 Hz ta 4 dB. An ƙera wannan matsayi don bayar da r mafi girman martani lokacin da aka sanya LSR12P a tsakar kan iyakoki uku, kamar wurin kusurwa.

Kewaya da Aiki mai hankali
Jack 1/4" da aka yi amfani da shi don kewayawa da zaɓi mai hankali yana aiki tare da sauƙi mai sauƙi na rufe lamba tsakanin tip da hannun riga na jack. Hakanan za'a iya fara wannan aikin tare da rufewar lantarki ta opto- ware wanda ke gajarta lambobi biyu tare. Hannun wannan haɗin haɗin yana daura da ƙasa mai jiwuwa, don haka yakamata a kula don guje wa madaukai na ƙasa yayin amfani da wannan zaɓi.

Alamar LED
Alamar LED mai launuka iri-iri tana kan gaban LSR12P. A cikin aiki na yau da kullun, wannan LED ɗin zai zama GREEN. Lokacin da LSR12P ke cikin yanayin kewayawa, LED ɗin zai juya AMBER. Wannan yana nuna cewa matatun-wuta mai tsayi akan abubuwan fitarwa guda uku an ƙetare su, kuma ciyarwar subwoofer daga shigarwar mai hankali ne. A farkon ampƘididdigar ƙira, LED ɗin zai yi haske da RED. Ci gaba da RED mai walƙiya na wannan LED yana nuna cewa yakamata a rage matakan.

Sashe na 6. - LSR32 BAYANI

• Tsari:
  • Input Impedance (masu ƙima): 4 ohms
  • Hankalin Anechoic: 1 93 dB/2.83V/1m (90dB/1W/1m)
  • Amsa Mitar (60 Hz - 22 kHz) 2: +1, -1.5
• Ƙarƙashin Ƙarƙashin Ƙarfafawa2
  • 3 dB: 54 Hz
  • 10 dB: 35 Hz
  • Mitar ƙarar mahalli: 28 Hz
• Matsakaicin Tsawon Lokaci
  • Ƙarfin (IEC 265-5): 200 W Ci gaba; 800 W mafi girma
  • Nasiha AmpƘarfin wutar lantarki: 150 W - 1000 W (ƙididdigewa cikin nauyin 4 ohm)
• Kula da Mitar HF
  • (2.5 kHz - 20 kHz): 0 dB, -1 dB
  • Karya, 96 dB SPL, 1m: 3
• Ƙananan Mita (a ƙasa da 120 Hz):
  • Na biyu masu jituwa: <2%
  • Harmonic na 3: <1 %
• Matsakaici & Babban Mita (120 Hz – 20 kHz):
  • Na biyu masu jituwa <2%
  • Harmonic na 3 <0.4%
  • Karya, 102 dB SPL, 1m: 3
• Ƙananan Mita (a ƙasa da 120 Hz):
  • Na biyu masu jituwa: <2%
  • Harmonic na 3: <1%
• Matsakaici & Babban Mita (80 Hz – 20 kHz):
  • Na biyu masu jituwa: <2 %
  • Harmonic na uku: <3 % (NB: <1%, 0.4 Hz – 250 kHz)
• Ƙarfin Ƙarfin Ƙarfi (20 Hz - 20 kHz):
  • 30 watts <0.4dB
  • 100 watts: <1.0dB
  • Ketare: Mitoci 250 Hz da 2.2 kHz
• Masu fassara:
  • Samfurin Ƙarƙashin Ƙarfafa: 252G
  • Diamita: 300 mm (12 in.)
  • Muryar Murya: 50 mm (2 in.) Drive Banbancin
  • Tare da Dynamic Braking Coil
  • Magnet Type: Neodymium
  • Nau'in Mazugi: Carbon Fiber Composite
  • Impedance: 4 ohms
  • Samfurin Mitar Tsaki: C500G
  • Diamita: 125 mm (5 in.)
  • Muryar Murya: 50 mm (2 inci.) Rauni Edge Aluminum
  • Magnet Type: Neodymium
  • Nau'in Mazugi: KevlarTM Composite
  • Impedance: ohmsshm
  • Samfurin Maɗaukaki: 053ti
  • Diamita: 25 mm (1 in.) diaphragm
  • Muryar Murya: 25 mm (1 inci)
  • Nau'in Magnet: Ceramic 5
  • Nau'in Diaphragm: Damped Titanium Composite
  • Sauran Fasalolin: Elliptical Oblate Spheroidal Waveguide
  • Impedanceohms ohm
• Na zahiri:
  • Ƙarshe: Baƙar fata, Low-Kloss, "Sand Texture"
  • Girman yadi (net) lita (cu. ft. 1.8)
    Shigar Mai Haɗi nau'i-nau'i na ginshiƙai masu ɗaure masu hanya 5.
• Net nauyi: 21.3 kg (47 lbs)
  • Girma (WxHxD): 63.5 x 39.4 x 29.2 cm (25.0 x 15.5 x 11.5 in.)

Bayanan kula
Duk ma'aunai, sai dai in an faɗi haka, an yi su ne a cikin mita 2 kuma an yi nuni da su zuwa mita 1 ta hanyar juzu'in murabba'i. Matsayin ma'aunin makirufo yana tsaye daidai da tsakiyar layin tsakiya da manyan masu juyawa, a wani wuri 55 mm (2.2 in.) ƙasa da tsakiyar diaphragm na tweeter.

1. Ma'ana matakin SPL daga 100 Hz zuwa 20 kHz.
2. Yana bayyana ƙarancin amsawar Anechoic (4p). Loading Acoustic wanda ɗakin sauraron ya samar zai ƙara ƙarar ƙaramar ƙaramar ƙaramar ƙaramar bass.
3. An yi ma'aunin murdiya tare da shigar da voltage wajibi ne don samar da matakin SPL mai ma'auni na "A" a cikin nisa da aka bayyana. Ƙididdiga masu ɓarna suna nuni zuwa matsakaicin murdiya da aka auna a cikin kowane 1/10th octave wide band a cikin kewayon mitar da aka bayyana.
4. Ƙididdigar Ƙarfin Ƙarfin Ƙarfin Ƙarfafawa bisa ma'auni na "A" daga haɓakar layin layi a cikin SPL tare da karuwa mai linzami a cikin ikon shigarwa (watau matsawar wutar lantarki) da aka auna bayan mintuna 3 na ci gaba da hayaniyar ruwan hoda a matakin da aka bayyana.
5. JBL yana ci gaba da shiga cikin bincike mai alaƙa da haɓaka samfuri. Sabbin kayan aiki, hanyoyin samarwa, da gyare-gyaren ƙira an gabatar da su cikin samfuran da ake dasu ba tare da sanarwa ba azaman bayanin falsafar yau da kullun. Saboda wannan dalili, kowane samfuran JBL na yanzu na iya bambanta ta wasu fuskoki daga kwatancen da aka buga, amma koyaushe zai daidaita ko wuce ƙayyadaddun ƙira na asali sai dai in an faɗi.

Bayanan Bayani na LSR28P

• Tsari:
  • Amsa Mitar (+1, -1.5dB)2: 50 Hz - 20 kHz
  • Ƙarƙashin Ƙarfafa Ƙaddamarwa: An saita sarrafawar mai amfani zuwa tsoho
  • -3 dB: 46 Hz
  • -10 dB: 36 Hz
  • Mitar ƙarar mahalli: 38 Hz
  • Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarfafawa: 1.7 kHz (Order Acoustic Linkwitz-Riley)
• Karya, 96 dB SPL, 1m:
  • Matsakaicin Maɗaukaki (120 Hz – 20 kHz):
  • Na biyu masu jituwa: <2%
  • Na uku masu jituwa: <3%
• Ƙananan Mita (<120 Hz):
  • Na biyu masu jituwa: <2%
  • Na uku masu jituwa: <3%
  • Matsakaicin SPL (80 Hz - 20 kHz):> 108 dB SPL / 1m
  • Matsakaicin Peak SPL (80 Hz - 20 kHz):> 111 dB SPL / 1m
  • Shigar da siginar: XLR, Madaidaicin Pin 2 Hot
  • 1/4 "Tip-Ring-Sleeve, Madaidaici
• Ƙwararren Ƙwararren Ƙwararru
  • XLR, +4 dBu: 96 dB/1m
  • 1/4”, -10 dBV: 96dB/1m
  • AC Input Voltage: 115/230VAC, 50/60 Hz (Zaɓi mai amfani)
  • AC Input Voltage Nisan Aiki: +/- 15%
  • Mai Haɗin Shigar AC: IEC
  • Matsakaicin Ƙarfin Tsarin Tsawon Lokaci: 220 Watts (IEC265-5)
  • Matsayin Hayaniyar Hayaniyar Kai: <10 dBA SPL/1m
• Gudanar da Mai amfani:
  • Babban Matsakaici (2 kHz – 20 kHz):+2 dB, 0 dB, -2 dB
  • Ƙarƙashin Ƙarfafa Mitar (<100 Hz) +2 dB, 0 dB, -2 dB
  • Matsakaicin Matsakaicin Matsakaici: 36 dB/octave, 24dB/octave
  • Ƙaddamar da Input Input: 5dB, 10dB
  • Canja-canjen Input Attenuation: 0 - 12 dB
• Masu fassara:
  • Samfurin Ƙarƙashin Ƙarfafa: 218F
  • Diamita: 203 mm (8 in.)
  • Muryar Murya: 38 mm (1.5 in.) Drive Banbancin
  • Tare da Dynamic Braking Coil
  • Nau'in Magnet: Ferrite tare da Integral Heat Sink
  • Nau'in Mazugi: Carbon Fiber Composite
  • Impedance: 2 ohms
  • Samfurin Maɗaukaki: 053ti
  • Diamita: 25 mm (1 in.) diaphragm
  • Muryar Murya: 25 mm (1 inci)
  • Nau'in Magnet: Ferrite
  • Nau'in Diaphragm: Damped Titanium Composite
  • Sauran Fasalolin: Elliptical Oblate Spheroidal Waveguide
  • Impedance: 4 ohmsm
• Amplififi:
  • Ƙarƙashin Ƙwararrun Topology: Class AB, Duk Mai hankali
  • Ƙimar Ƙarfin Ƙarfin Sine Wave: 250 Watts (<0.1% THD cikin ƙididdiga mai ƙima)
  • THD+N, 1/2 iko: <0.05%
  • Babban Mitar Topology: Class AB, Monolithic
  • Ƙimar Ƙarfin Ƙarfin Sine Wave: 120 Watts (<0.1% THD cikin ƙididdiga mai ƙima)
  • THD+N, 1/2 iko: <0.05%
• Na zahiri:
  • Ƙarshe: Baƙar fata, Low-Kloss, "Sand Texture"
  • Girman Yaki (net): 50 lita (1.0 cu. ft.)
  • Matsakaicin Matsakaicin Matsakaicin Matsakaicin Matsakaicin Matsakaicin Matsakaicin Matsala: Buɗaɗɗen Maɗaukaki Mai Sauƙi na Rear Ported Linear Dynamics
  • Baffle Construction: Carbon Fiber Composite
  • Ginin Majalisar: 19mm (3/4 "MDF)
  • Net nauyi: 22.7 kg (50 lbs)
• Girma (WxHxD): 406 x 330 x 325 mm (16 x 13 x 12.75 in.)

Bayanan kula
Duk ma'aunai, s sai dai in an faɗi, an yi su ne a cikin yanayi na 4¹ a mita 2 kuma an yi nuni da su zuwa mita 1 ta hanyar juzu'in murabba'i. Matsayin ma'auni na makirufo yana tsaye daidai da tsakiyar layin ƙananan ƙananan masu juyawa, a aya 55 mm (2.2 in.) ƙasa da tsakiyar diaphragm na tweeter.

Matsayin Ma'auni na Magana yana tsaye daidai da gefen babba na tsakiyar zoben datsa woofer. Load ɗin Acoustic da ɗakin sauraron ke bayarwa yana ƙaruwa mafi girman ƙarfin SPL da ƙaramar ƙaramar bass Extension idan aka kwatanta da ƙimar anchoic da aka bayyana. An yi ma'aunin murdiya tare da shigar da voltage wajibi ne don samar da matakin SPL mai ma'auni na "A" a cikin nisa da aka bayyana. Ƙididdiga masu ɓarna suna nuni zuwa matsakaicin murdiya da aka auna a cikin kowane 1/10th octave wide band a cikin kewayon mitar da aka bayyana.

JBL yana ci gaba da shiga cikin bincike mai alaƙa da haɓaka samfuri. Sabbin kayan aiki, hanyoyin samarwa, da gyare-gyaren ƙira an gabatar da su cikin samfuran da ake dasu ba tare da sanarwa ba azaman bayanin falsafar yau da kullun. Saboda wannan dalili, kowane samfurin JBL na yanzu na iya bambanta ta wasu fannoni daga bayanin da aka buga, amma koyaushe zai yi daidai ko wuce ƙayyadaddun ƙira na asali sai dai in an faɗi.

Ƙayyadaddun bayanai

• Tsari:
  • Amsa Mitar (-6 dB) 28 Hz - 80 Hz1
  • Ƙarƙashin Ƙarfafa Ƙaddamarwa: An saita sarrafawar mai amfani zuwa tsoho
  • -3 dB: 34 Hz
  • - 10 dB: 26 Hz
  • Mitar resonance na ƙulli: 28
  • HzLow-High-Mitter Crossover: 80 Hz (tsari na 4 electroacoustic Linkwitz-Riley)
• Karya, 96 dB SPL / 1m:
  • Ƙananan Mita (<80 Hz):
  • Na biyu masu jituwa: <2%
  • Na uku masu jituwa: <3%
  • Matsakaicin Ci gaba SPL:> 112 dB SPL / 1m(35 Hz – 80 Hz)
  • Matsakaicin Peak SPL:>115dB SPL/1m (35 Hz – 80 Hz)
• Ƙwararren Ƙwararren Ƙwararru
  • XLR, +4 dBu: 96 dB/1m
  • XLR, -10 dBV: 96 dB/1m
• Ƙarfin Ƙarfin Ƙarfi (20 Hz - 200 Hz):
  • 30 watts <0.4dB
  • 100 watts: <1.0dB
  • Alamar Wutar Wuta/Clip/ Kewaya: Koren LED - Aiki na al'ada
  • Amber LED - Yanayin Ketare
  • Jajayen LED - Mai iyaka da aka kunna
• Amplififi:
  • Ƙarƙashin Ƙwararrun Topology: Class AB, Duk Mai hankali
  • Ƙimar Ƙarfin Ƙarfin Sine Wave: 260 Watts (<0.5% THD cikin ƙididdiga mai ƙima)
  • THD+N, 1/2 iko: <0.05%
  • AC Input Voltage: 115/230VAC, 50/60 Hz (Zaɓi mai amfani)
  • AC Input Voltage Nisan Aiki: +/- 15%
  • Mai Haɗin Shigar AC: IEC
  • Matsayin Hayaniyar Hayaniyar Kai: <10 dBA SPL/1m
• Masu Fassarawa:
  • Samfurin Ƙarƙashin Ƙarfafa: 252F
  • Diamita: 300 mm (12 in.)
  • Muryar Murya: 50 mm (2 in.) Drive Banbancin
  • Tare da Dynamic Braking Coil
  • Nau'in Magnet: Neodymium tare da haɗin kai
  • Nau'in Mazugi: Carbon Fiber Composite
  • Impedance: 2 ohms
• Gudanar da Mai amfani:
  • Ƙarƙashin Ƙarfafa Mitar (<50 Hz) +2 dB, 0 dB, -2 dB
  • Abubuwan Shiga Hagu, Cent, er da Dama: Ma'auni na XLR (-10 dBv/+4 dBu Suna, Fin 2 Hot)
  • Shigar da Hankali: Ma'auni na XLR (+4 dBu Suna, Fin 2 Hot)
  • InpLevel 1el1: -10 dBv, +4 dBu, +8 dBu
  • Canja-canjen Input Attenuation1: 0 - 13 dB
  • Hagu, Cibiya, da Abubuwan Dama: Ma'auni na XLR (-10 dBv/+4 dBu Nominal, Pin 2 Hot)
  • Fitar Babban Fassara 2: 80 Hz 2nd Order Bessel (Zaɓi zuwa Cikakkun Range)
  • Daidaita Polarity: Na al'ada ko Juyawa
  • Mai Haɗin Kewaye Mai Nisa: 1/4 "Tip/Jack Sleeve
• Na zahiri:
  • Ƙarshe: Baƙar fata, Low-Kloss, "Sand Texture"
  • Baffle Material: Carbon Fiber Composite
  • Ƙaƙƙarfan Ƙaƙwalwa (lita na netli (cu. ft. 1.8)
  • Net nauyi: 22.7 kg (50 lbs)
• Girma (WxHxD): 63.5 x 39.4 x 29.2 cm (25.0 x 15.5 x 11.5 in.)

Bayanan kula

1. Hagu, Cibiya da Shigar Dama
2. PqPquasi-oda na huɗu Linkwitz-Riley Acoustic babban hanyar wucewa lokacin amfani da LSR28P ko LSR32.
3. Duk ma'aunai, sai dai in an faɗi haka, an yi su, an yi su ne a cikin yanayi na 4¹ a mita 2 kuma an yi nuni da su zuwa mita 1 ta dokar murabba'i mai juzu'i.

Matsayin ma'aunin makirufo yana tsaye daidai da gefen babba na tsakiyar zoben datsa woofer. Loading Acoustic wanda ɗakin sauraron ya samar zai ƙara iyakar ƙarfin SPL da ƙaramar ƙaramar bass idan aka kwatanta da ƙimar anchoic da aka bayyana.

An yi ma'aunin murdiya tare da shigar da voltage wajibi ne don samar da matakin SPL mai ma'auni na "A" a cikin nisa da aka bayyana. Ƙididdiga masu ɓarna suna nuni zuwa matsakaicin murdiya da aka auna a cikin kowane 1/10th octave wide band a cikin kewayon mitar da aka bayyana.

JBL yana ci gaba da shiga cikin bincike mai alaƙa da haɓaka samfuri. Sabbin kayan aiki, hanyoyin samarwa, da gyare-gyaren ƙira an gabatar da su cikin samfuran da ake dasu ba tare da sanarwa ba azaman bayanin falsafar yau da kullun. Saboda wannan dalili, kowane samfurin JBL na yanzu na iya bambanta ta wasu fannoni daga bayanin da aka buga, amma koyaushe zai yi daidai ko wuce ƙayyadaddun ƙira na asali sai dai in an faɗi.

Karin Bayani A: Shawarwari na Waya
Zuwa yanzu, mai yiwuwa kun shigar da masu saka idanu na LSR kuma kuna yin kida mai kyau. Koyaya, don ingantaccen aiki, wasu kulawa ga bayanan waya yanzu na iya rage lalacewar tsarin daga baya. Waɗannan shawarwarin cabling suna bin daidaitaccen aikin wayoyi don abubuwan shigar daban.

Madaidaitan Madogararsa
Hanya mafi kyau don tafiyar da tsarin ku shine daidaitacce, inda duka sigina "HOT" (+) da "COLD" (-) ana ba da su daga tushen da kuma GROUND/GARKUMO. Ana ɗaukar waɗannan yawanci akan igiyoyi masu kariya 2-conductor tare da masu haɗin XLR a ƙarshen duka. A madadin, ana iya amfani da masu haɗawa tare da tip, Ring, and Sleeve (T/R/S) jacks. A duk lokacin da zai yiwu, garkuwar kebul bai kamata a haɗa shi da kowane fil ɗin sigina ba, amma a bar shi don yin aikin garkuwar kebul kawai.

Lura: Babu wani hali da yakamata a cire wayar ƙasa mai aminci daga mai haɗin wutar AC. Lokacin amfani da madaidaitan tushe tare da LSR28P, ko dai shigar da XLR ko T/R/S na mahaɗin Neutrik “Combi” za a iya amfani da shi. Bambanci tsakanin su biyun shine an saita T/R/S don shigarwar -10 dBv mara kyau, kuma an saita XLR don +4 dBu.

Don daidaitattun sigina, siginar HOT (+) daga tushen ku ya kamata a haɗa shi zuwa ƙarshen haɗin T / R / S ko Pin 2 na shigarwar XLR kamar yadda aka nuna a cikin Hoto A. Ya kamata a haɗa siginar "COLD" (-) zuwa Pin 3 na XLR ko "Ring" na haɗin T / R / S. Don guje wa madaukai na ƙasa, haɗa SHIELD a ƙarshen tushe amma ba a shigar da LSR ba.
Lura: LSR12P yana amfani da abubuwan shigar da bayanai na XLR kawai.

Sources marasa daidaito
Lokacin amfani da tushe marasa daidaituwa, akwai ƙarin damar shigar da madaukai na ƙasa a cikin tsarin.
LSR28P da 12P suna ba da hanyoyi da yawa don taimakawa rage yuwuwar matsaloli tare da kayan aiki marasa daidaituwa.

Duk da yake akwai haɗin HOT da GROUND/SHIELD kawai daga tushen da ba daidai ba, ana ba da shawarar cewa a yi amfani da kebul na murɗi mai inganci mai inganci. Hoto B yana nuna tushen mara daidaituwa da aka haɗa da daidaitaccen shigarwar XLR na mai saka idanu na LSR ta amfani da murɗaɗɗen kebul na biyu. Lura cewa an haɗa garkuwar zuwa mai haɗin GROUND/SHIELD a shigar da LSR, amma ba a tushen ba. Wannan yana rage yuwuwar gabatar da madauki na ƙasa a cikin tsarin.

Lokacin amfani da sigina marasa daidaituwa tare da LSR28P, ana ba da shawarar yin amfani da 1/4" Tukwici / Ring/Haɗin Hannu Wannan shigarwa an ƙera ta musamman don ɗaukar nau'ikan ma'auni iri-iri na haɗin gwiwa mara daidaituwa da rashin daidaituwa lokacin amfani da 1/4 "Tip/Ring/Sleeve connection, GROUND don ba da damar shigar da LSR, GROUND ya kamata a ba da damar shigar da LSR. yi.

Hoto D yayi cikakken bayanin haɗin kai ta amfani da kebul mai sarrafa guda ɗaya tare da filogi na Tukwici/Ring/hannu don shigarwar LSR28P. Ya kamata a yi amfani da kebul mai sarrafa guda ɗaya a matsayin makoma ta ƙarshe, saboda tana ba da mafi yawan yiwuwar matsaloli. Ya kamata a haɗa siginar "HOT" (+) zuwa ƙarshen filogin Tukwici/Ring/Sleeve. Ya kamata a haɗe GROUND zuwa Ring na Tukwici/Ring/Hannun filogi a shigar da LSR28P.

Hoto E yana ba da cikakken bayanin haɗin kai ta amfani da kebul mara daidaituwa da haɗin Tukwici/Sleeve zuwa shigarwar 1/4.

JBL Mai Kwarewa
8500 Balboa Boulevard, Akwatin gidan waya 22, Othridge, California 91329 Amurka

Sauke PDF: JBL LSR Litattafai Mai Rarraba Mai Amfani Studio Monitor System Manual

Magana

• Manual mai amfani