5. Kusakhazikika kwa magetsi pamalopo
Nthawi zina mphamvu yamagetsi pamalopo imasintha kuchoka pa yapamwamba kupita pa yotsika, zomwe zimapangitsanso kuti sipika itenthe. Mphamvu yamagetsi yosakhazikika imapangitsa kuti zigawo zitenthe. Mphamvu yamagetsi ikakwera kwambiri, amplifier yamagetsi imadutsa mphamvu yamagetsi yochuluka kwambiri, zomwe zimapangitsa kuti sipika itenthe.
6. Kugwiritsa ntchito ma amplifier osiyanasiyana amagetsi osiyanasiyana
Amplifier ya Karaoke ya EVC-100 Trs Professional
Mu uinjiniya, nthawi zambiri pamakhala vuto lotere: ma amplifier amphamvu amitundu yosiyanasiyana ndi mitundu yosiyanasiyana amasakanikirana. Pali vuto lomwe limanyalanyazidwa mosavuta - vuto la kukhudzidwa kwa mphamvu ya amplifier yamagetsi. Palinso vuto lina lomwe nthawi zambiri limanyalanyazidwa, ndiko kuti, ma amplifier amphamvu a mphamvu yomweyo ndipo mitundu yosiyanasiyana ikhoza kukhala ndi ma voltage osagwirizana.
FU-450 Professional Digital Echo Mixer Power Amplifier
Mwachitsanzo, mphamvu yotulutsa ya ma amplifiers awiri amphamvu ndi 300W, mphamvu yolowetsa ya amplifier ya A power ndi 0.775V, ndipo mphamvu yolowetsa ya amplifier ya B power ndi 1.0V, ndiye kuti ngati ma amplifiers awiri amphamvu alandira chizindikiro chomwecho nthawi imodzi, pamene magetsi a chizindikiro afika pa 0.775V, mphamvu yotulutsa ya A power amplifier inafika pa 300W, koma mphamvu yotulutsa ya amplifier ya B inafika pa 150W yokha. Pitirizani kuwonjezera mlingo wa chizindikiro. Mphamvu ya chizindikiro ifika pa 1.0V, mphamvu yotulutsa ya A inali yodzaza kwambiri, ndipo mphamvu yotulutsa ya B inangofika pa 300W. Zikatero, zidzawononga kwambiri chipangizo cholankhulira chomwe chalumikizidwa ndi chizindikiro chodzaza kwambiri.
Pamene ma amplifiers amphamvu okhala ndi mphamvu yomweyo ndi ma voltage osiyana a sensitivity asakanizidwa, mulingo wolowera wa amplifier yamphamvu yokhala ndi sensitivity yapamwamba uyenera kuchepetsedwa. Kugwirizana kungatheke mwa kusintha mulingo wotuluka wa zida zakutsogolo kapena kuchepetsa potentiometer yolowera ya amplifier yamphamvu yokhala ndi sensitivity yapamwamba.
Mitundu ya E-48 China Professional Amplifier
Mwachitsanzo, ma amplifiers awiri omwe ali pamwambapa ndi ma amplifiers amphamvu otulutsa a 300W, mphamvu ya sensitivity ya imodzi ndi 1.0V, ndipo inayo ndi 0.775V. Panthawiyi, chepetsani mulingo wolowera wa amplifier ya 0.775V ndi ma decibel atatu kapena tembenuzani batani la mulingo wa amplifier. Ikani pamalo a -3dB. Panthawiyi, ma amplifiers awiri akalowetsa chizindikiro chomwecho, mphamvu yotulutsa idzakhala yofanana.
7.Chizindikiro chachikulu chimachotsedwa nthawi yomweyo
Purosesa ya Karaoke ya DSP-8600
Mu KTV, nthawi zambiri alendo omwe ali m'bokosi kapena DJ amakhala ndi chizolowezi choipa kwambiri, kutanthauza kuti, amadula nyimbo kapena kuletsa phokoso pansi pa mphamvu yayikulu, makamaka akamasewera Di, zimakhala zosavuta kuti mawu a woofer adule kapena kupsa.
DAP-4080III China Karaoke Professional Digital Audio Processor
Chizindikiro cha mawu chimalowetsedwa ku sipika kudzera mu njira yomwe ikugwiritsidwa ntchito pano, ndipo sipika imagwiritsa ntchito mphamvu yamagetsi kukankhira chitsulo cha pepala kuti chiyende mmbuyo ndi mtsogolo kuti mpweya ugwedezeke kukhala phokoso. Pamene chizindikirocho chimadulidwa mwadzidzidzi panthawi yoyenda kwambiri, zimakhala zosavuta kupangitsa kuti mphamvu yobwezeretsa itayike pambuyo poti kayendedwe kafika pamlingo winawake, kotero kuti chipangizocho chawonongeka.
Nthawi yotumizira: Novembala-17-2022