Lasifika na 70-90 dubu. zł - part II
Batun Maris na "Audio" yana ba da cikakkiyar gwajin kwatancen masu magana guda biyar a cikin farashin farashin 70-90 dubu rubles. zloty. Yawanci, irin waɗannan samfurori masu tsada suna gabatar da su a cikin gwaje-gwaje daban-daban, idan kawai saboda sararin samaniya da ke tattare da bayanin kayayyaki masu mahimmanci da na marmari. Duk da haka, "Masanin Fasaha na Matasa" yana amfani da damar don gabatar da wannan batu mai ban sha'awa a cikin taƙaitaccen tsari wanda ya dace da tsarinsa.
Kowane lasifikar da aka gabatar ya bambanta sosai, yana nuna girman kai tsaye na masu zanen kaya da kamfanoni don haka babban fa'idar yuwuwar mafita da muke da ita a fagen fasahar sauti. Mun gabatar da ribobi da fursunoni na ƙirar Avanter III na kamfanin Jamus Audio Physic. Wannan lokacin shine lokacin SOPRA 3 daga Focal. Sauran nau'ikan guda uku za su bayyana a cikin jerin haruffa a cikin sassan masu zuwa. Idan kuna sha'awar ƙarin cikakken bayanin duka biyar, duka ta fuskar fasaha, kamanni da girma, gami da rahotannin saurare, da fatan za a ziyarci Audio 3/2018.
Mayar da hankali Sama 3
Fiye da shekaru ashirin da suka wuce, sanannen Focal Utopia ya kasance wani muhimmin ɓangare na babban jerin abubuwan da ke gaba a cikin tsararraki masu zuwa. A cikin 'yan shekarun da suka gabata, Focal yana gabatar da samfuran Sopra zuwa tayin sa, ta hanyoyi da yawa ya kai matakin Utopia.
Gabatar da mafita da aka nuna a cikin jerin Sopra, Focal ya yi alfahari da sabbin abubuwan da ba a samu a cikin jerin Utopia ba. An fara gabatar da Sopra 2 (nasa lambar yabo ta EISA), ba da jimawa ba sai ƙarami (wanda aka ɗora) Sopra 1, kuma shekara guda da ta gabata mafi girma a cikin jerin Sopra 3.
Samfurin da aka yiwa alama tare da alwatika yana da kama da siffa da daidaitawa zuwa Sopra 2. Ya bambanta da girman girman woofers kuma, daidai da haka, a cikin girman majalisar. Masu magana suna samuwa a cikin yanayi na yau da kullum don yawancin Focals - tsakiyar (16 cm) an "tagaye" a sama da tweeter, saboda suna a tsayi mafi kyau (kunnen mai sauraron zaune), kuma a kasa akwai babban girma. module woofer sashe (tare da biyu na 20 cm jawabai). Electroacoustically, da kewaye yawanci uku band.
Lanƙwasa dukan majalisar ministocin ta yadda mai magana da gatari na kowane sashe intersent a gaban mai magana, fiye ko žasa a wurin sauraro, kuma yana da dogon al'ada a cikin Focal kayayyaki tun daga farkon ƙarni na Utopia kuma ya ci gaba a yau a cikin Utopia. , Sopra da Kant jerin. A cikin kowane ɗayansu, an yi wannan shimfidar ɗan bambanta, an tsara wani sashi ta girman da kasafin kuɗi, amma kuma ta sabbin dama da canza salo. A cikin Utopias, muna da tsararren yanki, kuma a cikin Sopry, sauye-sauye masu sauƙi tsakanin nau'ikan nau'ikan mutum; ko da idan kisan Utopia ya fi ƙarfin kayan aiki, aiki mai yawa da kuma kayan marmari, siffofi na Sopra sun kasance na zamani. Yin amfani da sassa na aluminum da aka goge (ba chromed ko oxidized), halayyar Sopra, yana ƙara bayyanawa, kuma tare da takamaiman launuka, dan kadan yana nufin salon motocin wasanni. Dome na tweeter yana kiyaye kullun ta hanyar ƙarfe na ƙarfe - a nan yana da kyau kada ku dogara ga mai amfani da hankali, tun da zai zama tsada sosai don lalata beryllium dome. Dangane da membranes, Sopra baya keɓance mafi kyawun dabarun Focal - beryl (a cikin tweeter) da sandwich W (abincin sanwici na manyan yadudduka na fiberglass da kumfa mai tsauri tsakanin su). A cikin Sopry, an yi mafi yawan canje-canje ga direban tsakiyar, wanda ya haɗa da, a tsakanin sauran abubuwa, dakatarwa mai yawa, da tsarin maganadisu da aka tsara daidai, wanda kuma ya ba da damar canza bayanin martabar diaphragm daga conical na baya zuwa ma'auni. , a wasu sigogi. mafi dacewa da lasifika na tsakiya. An shirya dogon ɗakin da aka daskare don tweeter - rami mai ƙarewa a cikin kunkuntar ramin, wanda aka yi wa ado da gasa mai fadi a baya. Wannan wani nau'i ne na wuce gona da iri akan abun ciki. Ingantacciyar igiyar igiyar ruwa da ba ta da ƙarfi daga bayan dome ba za ta buƙaci irin wannan tsawo ba, amma dama ce mai kyau, tunda ƙirar tweeter kuma tana aiki don "lankwashe" tsarin.
Majalisar ministocin tana lanƙwasa a tsaye (saboda daidaitawar gatari na babban lasifikar da aka ambata a sama) kuma tana da ɓangarorin lanƙwasa (wanda ke rage igiyoyin ruwa a ciki). Har ila yau, yana da lanƙwasa gaba da babban radius, zagaye mai zagaye tsakanin bangon gefe da na gaba (godiya ga raƙuman ruwa suna gudana daga cikin jiki ba tare da tayar da gefuna masu kaifi ba). An yi filashin ne da gilashin santimita biyu. Jikin da kansa yana ɗagawa kuma yana karkatar da shi ta hanyar tallafi guda biyu, a lokaci guda yana samar da ci gaba na rami inverter na zamani.
Sopra 3 ya yi kama da haske sosai saboda siffarsa, amma a 70kg shi ne mafi nauyi a cikin zane biyar idan aka kwatanta.
Ta yaya yake aiki, watau. kayan aiki a cikin dakin gwaje-gwaje
Halayen Sopra 3 suna nuna ingantaccen haɓakar bass, wanda ke nuna cewa yakamata a yi amfani da wannan lasifikar a cikin manyan ɗakuna. A lokaci guda, matsakaicin matsakaicin matsakaicin matsakaici yana da daidaituwa a cikinsa. A cikin kewayon 500 Hz - 15 kHz, ba kawai tare da babban axis ba, ana kiyaye halayen a cikin kunkuntar kewayon +/- 1,5 dB. Babban watsawa yana da kyau sosai. A kan ƙananan ƙananan, akwai raguwa -6 dB daga matsakaicin matakin a mita na 28 Hz - kyakkyawan sakamako. Kamar yadda aka zata, muna ma'amala da ƙirar 4-ohm tare da ƙaramin juriya na kusan 3 ohms (a 100 Hz), don haka muna shirye muyi aiki tare da amplifiers "lafiya". Mai sana'anta yana ba da shawarar wutar lantarki a cikin kewayon 40-400 watts, wanda yake da alama mai ma'ana (ana iya ƙididdige ikon ƙima a 200-300 watts).
