Xa kufikwa kuizixhobo zesandi, i-amplifier idlala indima ebalulekileyo ekumiseleni umgangatho wesandi uwonke wenkqubo. Phakathi kweenkcukacha ezininzi ezifunekayochaza ukusebenza kwe-amplifier, uluhlu lwempendulo yefrikhwensi yenye yezona parameter zibalulekileyo. Ukuqonda indlela uluhlu lwempendulo yefrikhwensi oluchaphazela ngayoumgangatho wesandiinokunceda abantu abathanda ukuphulaphula kunye nabaphulaphuli ngokubanzi ukuba benze izigqibo ezinolwazi xa bekhetha izixhobo zomsindo.

Yintoni impendulo ye-frequency?

Impendulo yefrikhwensi ibhekisa kuluhlu lweefrikhwensi ezinokuthi ziphinde zivele kwi-amplifier. Idla ngokulinganiswa kwiHertz (Hz) kwaye ichazwe njengoluhlu, olufana ne-20 Hz ukuya kwi-20 kHz. Olu luhlu lugubungela uluhlu lweefrikhwensi ezivakalayo ebantwini kwaye ludla ngokuthathwa njengoluvela kwi-20 Hz (ibass esezantsi) ukuya kwi-20 kHz (i-treble ephezulu). I-amplifier enoluhlu olubanzi lwempendulo ye-frequency inokuphinda ivelise i-spectrum ebanzi, nto leyo ephucula kakhulu amava okumamela.

Ukubaluleka koLuhlu lweempendulo eziphindaphindwayo

1. Ukuveliswa kweBass: Isiphelo esiphantsi se-frequency spectrum, esihlala singaphantsi kwe-100 Hz, kulapho kuhlala khona ii-bass frequency. I-amplifier ekwaziyo ukuphinda ngokuchanekileyo ezi frequency ziphantsi iya kubangela ukuba kubekho isandi esityebileyo nesingakumbi.amava esandi esinzulu.Kwiintlobo ezifunai-bass enzulu, njengomculo we-elektroniki, we-hip-hop, kunye nomculo weklasikhi, i-amplifier enempendulo ye-frequency efikelela kwi-20 Hz inokuphucula kakhulu umgangatho wesandi.

2. Ukucaca kweMidrange: Amaza omsindo aphakathi (malunga ne-300 Hz ukuya kwi-3 kHz) abalulekile ekucaceni kwelizwi kunye nokubetha kwesandi sendalo sezixhobo. I-amplifier egqwesileyo kolu luhlu iqinisekisa ukuba amazwi kunye nezixhoboisandi sicacilekwaye ifana ncamashi. Ukuba impendulo yefrikhwensi ilinganiselwe kolu luhlu, isandi siya kuba mdaka kwaye singacacanga, nto leyo echaphazela amava okumamela ngokubanzi.

3. Inkcukacha yeTreble: Iifrikhwensi eziphezulu, ingakumbi ezo zingaphezulu kwe-3 kHz, zinegalelo kwiinkcukacha kunye nokucaca kwesandi. Izixhobo ezifana neecymbals, iiflutes, kunye neevayolin zivelisa izandi ezikule nqanaba. I-amplifier ekwaziyo ukuphinda ngokuchanekileyo ezi frikhwensi inokubonelela ngendawo kunye neenkcukacha, iphucule umgangatho wesandi ngokubanzi. Impendulo enganelanga yeefrikhwensi kuluhlu lwe-treble inokubangela ukuba isandi singabonakali okanye singabonakali.isandi esingenabomi.

Indlela impendulo yefrikhwensi echaphazela ngayo umgangatho wesandi

Uluhlu lwempendulo yefrikhwensi ye-amplifier luchaphazela ngokuthe ngqo indlela evelisa ngayo iintlobo ezahlukeneyo zeimiqondiso yesandi.Nazi ezinye zeendlela eziphambili ezichaphazela ngazo umgangatho wesandi xa impendulo iphindaphindwa:

1. Ukuguqulwa kombala kunye nokuHlanganisa: Ukuba i-amplifier ayikwazi ukuphinda ivelise amaza athile, inokubangela ukuguqulwa kombala kwisandi. Umzekelo, ukuba i-amplifier ayikwazi ukuphatha amaza aphantsi kakuhle, inokuvelisa i-bass ephosakeleyo engacacanga. Oku kuguqulwa kubonakala ngakumbi kwiindawo ezinzima apho kudlala izixhobo ezininzi ngaxeshanye.

2. Uluhlu oluDynamic: Anuluhlu olutshintshayo lwe-amplifieribhekisa kumahluko phakathi kwezandi ezizolileyo neziphezulu ezinokuzivelisa. Uluhlu olubanzi lwempendulo yefrikhwensi ngokubanzi luthetha uluhlu olukhulu lwe-dynamic, oluvumela i-amplifier ukuba iphathe ii-nuances ezincinci kunye nee-crescendos ezinamandla ngaphandle kokuphazamiseka. Olu buchule lubalulekile kwiindidi ezixhomekeke kumahluko we-dynamic, njengomculo weklasikhi kunye ne-jazz.

3. Impendulo yeSigaba: Impendulo yesandi ayibhekiseli kuphela kwi-amplitude yesandi kwiifrequencies ezahlukeneyo, kodwa ikwabandakanya impendulo yesigaba, eli lixesha lesandi.amaza esandi. Ii-amplifier ezinempendulo embi yesigaba zinokubangela iingxaki zexesha, zenze isandi singahambelani okanye singahambelani. Oku kuyingozi ngakumbi kulungiselelo lwestereo, apho imifanekiso echanekileyo kunye nentsimi yesandi zibalulekile kwi-amava okumamela anzulu.

4. Ukuhambelana ne izithethi: Impendulo yefrikhwensi ye-amplifier kufuneka ihambelane nezipikha eziqhubayo. Ukuba i-amplifier inempendulo yefrikhwensi encinci, isenokungayisebenzisi ngokupheleleyo intsebenzo yesithethi esikumgangatho ophezulu. Ngokwahlukileyo koko, i-amplifier ekumgangatho ophezulu enempendulo yefrikhwensi ebanzi ingayisebenzisa ngokupheleleyo intsebenzo yesithethi kangangoko inako.

Ukukhetha i-Amplifier efanelekileyo

Niniukukhetha i-amplifier, kubalulekile ukuqwalasela uluhlu lwempendulo yefrikhwensi kunye nezinye iinkcukacha ezifana ne-total harmonic distortion (THD), i-signal-to-noise ratio (SNR), kunye ne-power output. I-amplifier esebenza kakuhle ayinayo kuphela impendulo yefrikhwensi ebanzi kodwa ikwane-distortion ephantsi kunyeamandla aphezulu okukhuphaukuqhuba izithethi ngokufanelekileyo.

Kwabo bathanda i-audiophiles, kuyacetyiswa ukuba bamamele ii-amplifiers ezahlukeneyo kwindawo elawulwayo ukuze bavavanye umgangatho wesandi sabo. Nika ingqalelo kwindlela i-amplifier evelisa ngayo i-bass, i-mid-range, kunye ne-treble frequencies. I-amplifier elungileyo kufuneka inike isandi esilinganiselayo kuyo yonke i-frequency spectrum, nto leyo ephumela kumava amnandi okumamela.

Ukuququmbela

Ngamafutshane, uluhlu lwempendulo yesandi oluqhelekileyo luyinto ephambili echaphazela kakhulu umgangatho wesandi. Impendulo yesandi ebanzi ivumela ukuveliswa ngcono kwe-bass, ukucaca okuphakathi, kunye neenkcukacha ze-treble, zonke ezi negalelo kumava okumamela anomdla nanomdla. Ngokuqonda ukubaluleka kwempendulo yesandi, abathengi banokwenza izigqibo ezinolwazi xa bekhetha ii-amplifier, beqinisekisa ukuba bafumana umgangatho wesandi olungileyo kwiinkqubo zabo zesandi. Nokuba ungumphulaphuli oqhelekileyo okanye ungumntu othanda isandi, ukunikel’ ingqalelo kwimpendulo yesandi kunokuthatha amava akho esandi aye kwinqanaba elitsha.