Amplifier Measurements uye Zvazvinoreva - Chikamu II
Muiyi yechipiri edition yeAudio Lab yekufananidza yemhando dzakasiyana dzeamplifiers, tinopa maviri-akawanda-chaneru kumba theatre zvigadzirwa? Yamaha RX-V5.1 473 amplifier (mashanu emagetsi emagetsi pabhodhi), mutengo PLN 1600, uye 7.1 fomati amplifier (manomwe emagetsi amplifier pabhodhi) Yamaha RX-A1020 (mutengo PLN 4900). Musiyano wemutengo nekuda kwekuwedzera kwemazano maviri anotevera here? nedzidziso, izvi zvigadziriso zvekirasi yakasiyana zvachose. Asi fungidziro yakadaro ichasimbiswa nemaparameter avo here?
MaAV anogashira anenge akasimba-mamiriro epasi rose zvishandiso, dzimwe nguva maIC, dzimwe nguva akapiniwa, anoshanda muKirasi D, kunyangwe kazhinji ari muKirasi AB yechinyakare.
Iyo Yamaha RX-V473 inodhura PLN 1600, iyo inodarika iyo Pioneer A-20 stereo system yakaunzwa mwedzi wapfuura. Zvakanyanya kudhura uye zviri nani? Mhedziso yakadai ingangove nguva isati yakwana, kwete chete nekuda kwezvinoshamisa zvakatimirira munyika yezviridzwa zvekuteerera; tichiongorora nyaya yacho zvakadzama, hapana kana hwaro hune musoro hwetariro dzakadaro! Iyo yakawanda-channel AV inogamuchira, kunyangwe isingadhure, iri netsanangudzo yakanyanya kuoma, yepamusoro, uye inoita mamwe akawanda mabasa. Iine mamwe maseketi, anosanganisira dhijitari, odhiyo uye vhidhiyo processors, uye haina maviri emagetsi amplifiers, senge stereo amplifier, asi anokwana mashanu (anodhura modhi ane manomwe, kana kutopfuura ...). Izvi zvinotevera kuti bhajeti iri raifanirwa kunge rakakwanira nhamba yakakura kwazvo yemasisitimu uye zvikamu, saka imwe neimwe yeshanu PLN 1600 AV inogamuchira magetsi maamplifiers haifanirwe kunge iri nani pane imwe yeaya maviri, ari nyore PLN 1150 stereo amplifiers. (zvichitevera mitengo kubva pamienzaniso yedu).
Iwo akayerwa masimba emagetsi panguva ino anoreva mamiriro akasiyana zvishoma pane ayo anoratidzwa muyero yestereo amplifier. Chekutanga, nevazhinji vanogamuchira AV, mune dzidziso, tinogona chete kubatanidza vatauri neiyo impedance ye8 ohms. Iyi inyaya yakasiyana zvakare here? Zvechii? Vazhinji vatauri nhasi vane 4 ohms (kunyangwe kazhinji vakanyorwa se8 ohms mumakatalogi ekambani...) uye kuvabatanidza kune akadaro anogamuchira AV kazhinji hakukonzeri mhedzisiro yakaipa, asi hazvibvumidzwe zviri pamutemo? nekuti inopisa mudziyo uchidarika muganho unobvumidzwa neEU zviyero; Saka pane chibvumirano chisingatauriki chekuti vagadziri vanogamuchira vanyore zvavo, uye vanogadzira gudzanzwi vanonyora zvavo (4 ohms, asi vachitengesa se8 ohms), uye vatengi vasingazivi vanovanamatira ... uye kabati inotamba. Kunyangwe dzimwe nguva ichidziya zvishoma, uye dzimwe nguva inodzima (dziviriro maseketi haatenderi kukuvadzwa kumaterminal nekuwanda kwazvino kuyerera kuburikidza navo). Nekudaro, tichitevera kurudziro yemugadziri, isu paAudio Lab hatiyere simba revagamuchiri vakadaro kuita 4-ohm mutoro, asi chete mune yakabvumidzwa zviri pamutemo, 8-ohm mutoro. Zvisinei, inenge iine chokwadi chokuti panguva ino simba pa 4 ohms raisazowedzera zvakanyanya kana kuti zvachose, sezvakaita "zvakajairika". stereo amplifier, sedhizaini yeanogamuchira simba amplifiers yakagadziridzwa kuendesa simba rakazara kunyangwe mu8 ohms. Nzira yekutsanangura sei chokwadi chekuti 4 ohm yekubatanidza, kunyange isingawedzere simba, inowedzera tembiricha? Very simple? zvakakwana kutendeukira kumabhuku echikoro chefizikiki uye kutarisa maitiro emagetsi ... Nekudzivirira kwepasi, simba rimwechete rinowanikwa nemhepo yakadzika uye yakakwira ikozvino, uye ikozvino inoyerera kuburikidza navo inosarudza kupisa kwemagetsi amplifier.
Iwe uchawana kuenderera kwechinyorwa ichi mumagazini yaJanuary
Stereo inogamuchira Yamaha RX-A1020
Stereo inogamuchira Yamaha RX-V473
