Tabbataccen sauƙi ko taurin kai wanda ya cancanci aiki mafi kyau?
Fasahar lasifikar ta samo asali sama da shekaru dari. Tuni a farkon tarihinsa, an gano cewa sarrafa dukkan nau'ikan sautin sauti, tare da ƙarancin murdiya mai gamsarwa, ta hanyar mai magana ɗaya (transducer) yana da matukar wahala, idan ba zai yiwu ba. Ya zama wajibi a kera lasifikar da ke kunshe da na’urori masu sarrafa kwamfuta na musamman wajen sarrafa wasu na’urori.
Ci gaba ya tafi ta wannan hanyar, kuma tare da shi kashi 99% na masu kera lasifika, suna samar da dukiya mara misaltuwa ta hanyoyi biyu, hanyoyi uku, hanyoyi huɗu da ma fiye da tsarin hanyoyi masu yawa, wani lokaci yakan wuce gona da iri, ƙari, haɓakawa - ko haɓaka. ƙirƙira. Ga alama ga masu son da suke bugawa cewa yawancin "hanyoyi" sun fi dacewa da shiri watakila ... don irin waɗannan abokan ciniki masu hankali. Duk da haka, mafita mai ma'ana ya yi nasara, wanda adadin hanyoyi da adadin masu fassara (ba iri ɗaya ba ne - za'a iya samun fiye da ɗaya transducer a kowace hanya, wanda shine sau da yawa a cikin sashin LF) sun kasance daidai da girman girman. tsarin da nufin amfani da shi.
Mafi ƙarancin Bidromic
Ana ɗaukar mafi ƙarancin kusan mafi ƙaranci tsarin biyu, yawanci ya ƙunshi midwoofer da tweeter. Irin wannan tsarin, wanda ya dogara da masu canzawa masu inganci na nau'ikan biyu, yana da ikon yin aiki a kusan dukkanin kewayon mitar. Duk da haka, yana da wuya a cimma matakan girma sosai tare da shi, saboda tsakiyar-woofer, wanda dole ne ya kasance na matsakaicin diamita (don iya sarrafa matsakaicin matsakaici), koda kuwa yana iya ɗaukar bass, ba zai iya ɗaukar tsayi sosai ba. iko a cikin wannan kewayon, ba zai iya haifuwa bass a lokaci guda mai zurfi da ƙarfi. Kamar yadda muka sani, mafi ƙasƙanci mafi ƙasƙanci da babban iko shine yawancin masu magana da yawa, wanda, duk da haka, ba zai iya yin aiki a matsayin midwoofers ba, amma kawai a matsayin woofers, duka saboda girman girman girman su, da kuma saboda wasu siffofi, yin su. mafi m. mafi dacewa don sarrafa ƙananan, maimakon matsakaicin matsakaici; A sakamakon haka, an ƙirƙiri tsarin rukunoni uku, inda ake sarrafa mitoci na tsakiya ta hanyar mai canzawa ta musamman - tsakiyar.
"mafi kyawun" lokaci ɗaya
Davis MV One - sun kasance kamar ɗaya, babu sauran masu magana a nan.
Dokokin wasan da ke ba ka damar ƙirƙirar manyan lasifika masu tsayi ba su da ƙarfi, amma ka'idodin ƙa'idodin sun kasance, kamar yadda suke, yawancin masu zanen kaya sun kafa da amfani da su - ba shakka, kawai don nasara, kuma ba bisa ga wasu ba. girke-girke. Amma kamar yadda akwai masu son wuce gona da iri tare da "permeability" da rikitarwa fiye da tsarawa, akwai masu taurin kai don samun sauƙi, suna ƙoƙarin aiwatarwa. mafi girman manufa - lasifikar lasifikar hanya ɗaya da mai musanya guda ɗaya. Don haka tare da mai magana guda ɗaya.
Tabbas, mun saba da shahararru, galibi kanana, kwamfuta ko na'urori masu ɗaukuwa waɗanda ba su da sarari ko kasafin kuɗi don shigar da tsarin lasifika na hanyoyi biyu. Don haka mun daina aiki da direba ɗaya (a kowane tashar sitiriyo, muddin na'urar tana sitiriyo), yawanci ƙanƙanta, tsayin ƴan santimita kaɗan, wanda bai dace da ko da tsoffin ƙa'idodin kayan aikin hi-fi bane, amma ba haka bane. kayan aiki. wanda ke da'awar wannan sunan.
Mafi ban sha'awa shine ƙirar hanya ɗaya, wanda, a cikin ra'ayi na masu zanen su kuma, a cikin ra'ayin yawancin masu amfani da su, kawai dole ne su kasance mafi kyau fiye da tsarin wucewa da yawa, kuma bayyana a ciki elite manufa, a farashin dubun dubun zł.
A cikin wannan batu mai cike da cece-kuce, za mu yi ƙoƙari mu zama haƙiƙa. Gaskiya ne, kididdigar da kanta ta nuna cewa tsarin ƙungiyoyin multiband sun fi daraja ta masu zane-zane masu hankali a duniya, amma bari mu tashi tsaye don "manufa mai gefe ɗaya." Aƙalla don tunatar da masoya ƙira masu sarƙaƙƙiya cewa hanyar multipath ba ita ce ƙarshen kanta ba, amma larura ce ta baƙin ciki da zaɓin ƙaramin mugunta. Halin zai fi farin ciki sosai idan har zai yiwu a sarrafa duka band ta lasifika ɗaya, kamar rarrabuwar kade-kade zuwa mashina, watau. gabatarwar electrostatic precipitators (crossover), murdiya. Fitar nau'ikan nau'ikan nau'ikan mitar ta lasifikar da ke kusa da juna, amma ba akan axis ɗaya ba (ban da tsarin coaxial, waɗanda ke da sauran rashin amfani ...) yana haifar da ƙarin matsaloli. Koyaya, an san cewa tare da buƙatu masu inganci, wannan ba shi da matsala fiye da yadda za a yanke hukunci don amfani da direba ɗaya. Yana da kyau koyaushe a tuna cewa ba shi da ma'ana don ninka su ba dole ba - dole ne kiyaye "patency" a cikin dalili da buƙatun sifofi tare da takamaiman ayyuka da sigogin manufa.
Ba shi yiwuwa a ƙirƙiri cikakken direba mai cikakken kewayon, har ma da mai kyau (idan aka kwatanta da damar masu magana)
yana buƙatar babban sha'awa, fasaha da amfani da kayan aiki mafi kyau. Cikakken lasifikar lasifikar 20 DE 8 (amfani da shi a cikin MV One) ya haɗa da, a tsakanin sauran abubuwa, tsarin maganadisu mai tsada na Alnico.
A zahiri, maƙasudin zai zama cikakkiyar lasifikar da ke kawar da duk matsalolin da ke haifar da multipath. Abin takaici, irin wannan lasifikar, ko ma "kusan" irin wannan lasifikar, duk da ƙoƙarin da ake yi, babu shi. Duka, har ma da mafi kyawun masu magana da cikakken kewayon suna da kunkuntar bandwidth fiye da yawancin lasifikar, kuma aikin su yana nuna rashin daidaituwa. Wannan, duk da haka, ba ya hana wasu mutane, saboda ko dai kai hypnosis ko kuma ainihin kaddarorin masu canzawa masu inganci masu inganci suna ba su damar fahimtar wani abu daban-daban a cikin sautin su, wani abu na musamman, sabili da haka, bisa ga magoya bayan irin wannan mafita. , wani abu mafi kyau. Bugu da ƙari, wasu fasalulluka na da'irori mai gefe guda suna jawo hankalin masu bututun amplifiers - watau. yawanci ƙananan amplifiers, wanda saboda haka baya buƙatar lasifika na babban iko, amma tare da babban inganci. Gaskiyar ita ce, idan ba a buƙatar lasifikar don samun babban iko, to, saboda fasalin ƙirar da ke tattare da shi (alal misali, ƙananan muryoyin murya mai haske), yana da sauƙi a gare shi don cimma ba kawai babban inganci ba, amma har ma da wani abu. fadin bandwidth. .
Yanke shawara
Babban lasifika mai ban sha'awa kuma ci gaba mai cikakken kewayon kamfanin Davis na Faransa ne ya ƙera kuma ya yi amfani da shi a cikin lasifikar MV One. Gwajin su, a cikin rukuni na ƙirar Faransa guda uku (sauran biyun nau'i-nau'i uku ne), bisa ga al'ada suna ba da cikakken bayani game da ƙira, sauti da ma'aunin lab, a cikin fitowar Yuni (6/2015) na Audio. Kuna iya kwatantawa da samar da ra'ayin ku ... Abu mai ban sha'awa, ko da ba tare da amplifier tube ba.
