Yana lura da KRK Rokit 5 G4 Studio

Babu shakka KRK Rokit yana ɗaya daga cikin mashahuran na'urorin saka idanu a duniya, ana amfani da su a gidajen rikodi na gida da sauran su. G4 shine ƙarni na huɗu. Canje-canje a cikin G3 suna da girma da za mu iya magana game da sabon samfurin gaba ɗaya.

Ko da yake ƙungiyar masu saka idanu sun haɗa da G4 jerin za mu sami samfura guda huɗu, nace zan so in gwada kadanс 5" wufr.

Na farko, ban yi imani da ingantaccen haɓakar bass a cikin ƙananan ɗakuna inda aka fi amfani da kasafin kuɗi kusa da masu sa ido a filin ba. Ƙara diamita na woofer, wanda wani lokaci ana danganta shi tare da rage mafi ƙarancin mita da mai saka idanu ke sarrafawa, ba ya da ma'ana sosai a cikin irin waɗannan yanayi, sai dai don ba da ra'ayi na ƙananan bass. Duk da haka, irin wannan bass ya kasance wanda ba a iya sarrafawa ba har ma fiye da haka psychoacoustic sabon abu fiye da ingantaccen sauti na bayanai.

Ana sarrafa toshewar DSP ta hanyar nunin kristal mai ruwa da mai ɓoyewa tare da aikin maɓalli. Mai rikodin da kanta kuma yana ba ku damar daidaita yanayin shigar da masu saka idanu.

Dalili na biyu koyaushe ina zaɓar masu saka idanu 5-6 shine saboda yana da mahimmanci don manyan saiti. m crossover mita, wanda ke haifar da raguwar tasiri na masu lura da ma'auni.

Wannan baya nufin cewa ba a kawar da damar wanin kayan aikin inci 5 ba. Mutane da yawa sun fi son sautin bakwai ko takwas, kuma ban yi mamaki ba. Suna da ƙarfi, ƙarin ƙarfi kuma suna haifar da bass da inganci. Duk da haka, idan dole in zaɓa, yawanci ina zaɓar Fives saboda za su zama mafi wakilcin dukkanin jerin kuma suna da mafi yawan faɗi game da ra'ayi a baya. Da alama a cikin wannan yanayin na sami damar yin kuskure ba ...

Matsalar kudi

Bayan 'yan shekaru da suka wuce, lokacin da aka tambayi abin da ke sa ido har zuwa PLN 1500 ga ma'aurata Zan iya ba da shawara, amsar kawai ita ce murmushi. Yanzu, ba tare da jinkiri ba, na ce kowa da kowa. Bambance-bambance tsakanin irin waɗannan tsarin kamar Adam Audio T5V, JBL 306P MkII, Kali Audio LP6 da ƙarshe. KRK Roka 5 G4 suna da kyau a yanayi. Sayen ɗayansu ba zai zama kuskure ba matuƙar mun san abin da ake ciki kusa da masu lura da filin yi nufin aikin ƙira da premixba don ƙwararrun hadawa da ƙwarewa ba.

Farashin: PLN 790 (kowace); Mai gabatarwa: KRK Systems, www.krksys.com Rarraba: AudioTech, www.audiotechpro.pl

A cikin shari'o'i biyu na ƙarshe, kuna buƙatar farawa tare da PDU (ɗaki, ƙwarewa, ƙwarewa), sannan masu saka idanu da kuka zaɓa za su share da kansu. Kuma ina ba da tabbacin cewa ba za su kasance cikin kewayon har zuwa PLN 1500 ba. Duk da haka, don gida da ɗakunan rikodin aikin, da kuma irin aikin da muke yi a irin waɗannan wurare, waɗannan masu saka idanu za su yi daidai. A kan su ne za mu ƙara yawan abubuwan PDU na kanmu.

Masu canzawa

Rokit 5 G4 masu saka idanu ne na hanyoyi biyu, masu aiki, suna aiki a cikin yanayin bi-amp kuma bisa tsarin MDF bass-reflex cabinet - daidai kamar mafi yawan nau'in nau'in. To yaya suka bambanta da sauran? Yellow aramid direba diaphragms? Ee, katin kasuwanci ne na KRK, kamar yadda aka haskaka tambarin. Mai jujjuya lokaci yana gudana tare da ƙananan gefen gaban panel kuma yana da gefuna. Ee, wannan abu ne mai ban sha'awa. Ko da mafi ban sha'awa shi ne cewa bass-reflex ramin yana da na musamman zane - shi ne mai lankwasa a cikin siffar mai zagaye harafin L kuma yana da tsayi sosai, yana ƙarewa da kusan rabin tsayin na'urar.

Game da amfani high mita Converter wasu abubuwa masu kyau da za a fada. Wannan direba ne da aka yi da kyau tare da babban ferrite maganadisu da dome na roba wanda ke damun sauti da kyau. Yana da ƙananan matakin murdiya da kyakkyawan jagoranci, wanda a cikin ɗaki mai kyau na acoustically yana tabbatar da sauƙin matsayi na tushe da kwanciyar hankali a cikin panorama.

Abubuwan tacewa da ke cikin sashin EQ suna aiki kamar saiti: huɗu don ƙananan mitoci da huɗu don manyan mitoci. A kowane hali, saitin na uku yana hana tacewa. Don ƙananan mitoci, mai daidaitawa ya haɗa da matatar shel ɗin 60 Hz da matatar wucewar band 200 Hz, kuma don manyan mitoci, matatar shel ɗin 10 kHz da matatar wucewar band 3,5 kHz.

Sauti mai girma - bayyananne, babu hayaniya, daidai kuma yana haifar da mafi girman mitoci. Amma ... da kyau, ba ya wuce gona da iri ko da a cikin halaye. Mutane da yawa sun kasance a faɗake game da wannan, suna ganin cewa amsawar mitar ya kamata ya yi kama da kankara.

Sai kawai halayen sun gaya mana daidai da hoton da ke cikin fasfo ɗin mutumin. Kuma kodayake direban daga G4 bai yi kama da zane mai ban sha'awa ba, na yi imani da shi. Yana wasa da kyau, yana da kyau kuma baya yaudara. Wannan shine nau'in tweeter wanda muke so ba don aiki ba, amma don harafin.

zane

Don masu saka idanu akan wannan farashin, an yi shi sosai ci-gaba zaneya ƙunshi abubuwa da yawa. Ya isa a faɗi cewa gaban gaban kansa - gabaɗaya an yi shi da filastik - ya ƙunshi matsi na musamman guda biyar tare da ƙarfafawa da tsari mai ban sha'awa na alaƙar su.

Shari'ar da kayan lantarki ba ta da ban sha'awa sosai. Ana ƙididdige siginar analog ɗin ta hanyar mai canza kayan aikin Texas Instruments PCM1862 sannan a ciyar da shi zuwa Burr-Brown TAS5782 amplifier.

Ƙarshen, a matsayin cikakken bayani na dijital, ana sarrafa shi ta hanyar STM32 microcontroller. Kuma shi ne wanda ke yin aikin gyaran gyare-gyare, kuma yana hulɗa tare da LCD yana nuna halayen wannan gyaran, da kuma maɓalli tare da maɓallin aiki tare da menu na duba.

A aikace

Masu saka idanu suna da gaskiya sosai kuma, sabanin al'ummomin da suka gabata na KRK Rokit (amma kuma samfuran masu tsada), waɗanda galibi ana tuhumar su da kasancewa masu “masu amfani”, suna bayarwa. m gwargwado. Ee, mafi girman kewayon sa bai kai kintsattse kamar tsarin saka idanu masu tsada ba, amma baya gajiyar da ku kuma yana tsawaita tsawon zaman sauraren kowane mutum.

Sakamakon halayen masu saka idanu (kore) da halaye na tushen sauti na mutum: bass reflex, woofer da tweeter. Sanannen resonance parasitic resonance na zamani inverter a 600 da 700 Hz yana bayyana a cikin gaba ɗaya sifa. Mai jujjuya lokaci yana da ƙarfi yana goyan bayan woofer a cikin kewayon 50-80 Hz. Santsin gangaren rabe-raben ketare zuwa mafi girman mitoci yana kiyaye mafi kyawun sauti a cikin kewayon 2-4 kHz lokacin da bai yi cikakken tasiri ba tukuna.

Kamar yadda na ambata a cikin mahallin direba, wannan shine masu saka idanu za ku iya amincewa. Bass - galibi ana fallasa su ta hanyar wucin gadi a cikin KRK - anan yana kiyaye daidai gwargwadon gaskiya kuma har yanzu ana iya ganewa. Muddin muna da acoustics na ɗaki, Rokit 5 G4 zai ba mu damar sarrafa mafi kyawun duk abin da ke sama da 100 Hz - kodayake ba shakka suna ba da bayanai a ƙananan mitoci. Muna jin 45Hz ba tare da wahala ba, wanda babban nasara ce ga irin waɗannan ƙananan na'urori.

Taƙaitawa

Al'ummomin da suka gabata na KRK Rokit ana fahimtar su daban - wasu suna son shi, wasu kuma ba sa son shi. Babban ra'ayi shine cewa suna da ƙarfi "DJ" da "lantarki". Yanayin ya bambanta da ƙarni na huɗu na Rokit kuma tabbas tare da ƙirar 5-inch. Kuna iya gani a fili cewa ayyuka da yawa sun shiga cikin ɗaukar halin su na sonic zuwa mataki na gaba. Rokits ba su girma sosai.

Shekaru da yawa na gwaninta da fasahar zamani sun ba wa KRK damar ƙirƙirar samfurin da zai iya yin gasa cikin sauƙi tare da farashi iri ɗaya da aiki irin na Adam, JBL da Kali Audio.

Idan kuna da dama, kuma gwada nau'ikan woofer XNUMX-inch da XNUMX-inch don ɗakuna masu girma da yawa kuma don aikin da kuke buƙatar kunna ƙara da ƙarar bass.