Siyazi ukuba indawo evelisa isandi ye #sithethi sisithethi, kodwa kutheni usebenzisa #isithethi endaweni yokumamela ngqo #isithethi?Injongo ye-#speaker kukuthintela umqondiso wamaza wesandi ukusuka ngaphambili nangasemva kwe #speaker diaphragm.I-loop yenziwe, ukwenzela ukuba kuphela izandi eziphezulu ze-frequency kunye ne-intermediate-frequency kunye ne-wavelength encinci inokuhanjiswa, kunye nezinye iimpawu zesandi zibekwe phezulu kwaye zicinywe.Imodeli yomzimba ye #sithethi kukuvula umngxuma kwibhaffle engqongqo engapheliyo ukufakela #isithethi, ukuze kuqinisekiswe ukuba isignali yesandi ngaphambili nangasemva kwe #sithethi ayizukwenza iluphu, okukhokelela kwisandi. iluphu yamaza.Nangona kunjalo, ekusetyenzisweni okwenyani, i#speaker asinakwenziwa singenasiphelo.Ngoko ke, abantu basebenzisa i-baffle emva kwe-#speaker ukwenza indawo evaliweyo ukuqinisekisa ukuhanjiswa kwangaphambili kwamaza esandi.