Yadda za a kafa amplifier 4-tashar? (Hanyoyi 3)

Abubuwa

Hanyar 1 - Saitin hannu
Hanyar 2 - Yi amfani da mai gano murdiya
Hanyar 3 - Yi amfani da oscilloscope

Saita amplifier tashar tashoshi 4 na iya zama ɗan wahala. Anan akwai hanyoyi guda uku waɗanda zasu iya magance komai.

Saita amplifier mai tashar tashoshi 4 daidai yana da fa'idodi da yawa. Kyakkyawan ingancin sauti, tsawon rayuwar magana, da kawar da murdiya kaɗan ne daga cikinsu. Amma ga masu farawa, kunna amplifier na iya zama wanda ba a sani ba saboda sarkar tsarin. Don haka, zan koya muku hanyoyi daban-daban guda uku don kafa amplifier mai tashar tashoshi 4 ba tare da lalata tsarin sautin motar ku ba.

Gabaɗaya, don saita amplifier mai tashar tashoshi 4, bi waɗannan hanyoyi guda uku.

Saitin hannu
Yi amfani da injin gano murdiya
Yi amfani da oscilloscope

Karanta raba jagorar mataki-mataki da ke ƙasa don ƙarin cikakkun bayanai.

Hanyar 1 - Saitin hannu

Tsarin saitin hannu zai iya zama mafi kyawun zaɓi idan kuna neman saitin sauri. Don wannan tsari, kawai kuna buƙatar screwdriver flathead. Kuma yakamata ku iya gano murdiya ta hanyar saurare kawai.

Mataki 1: Kashe Riba, Tace, da Sauran Tasirin.

Da farko, daidaita ribar amplifier zuwa ƙarami. Kuma ku yi haka don ƙananan matattarar wucewa ta ƙasa. Idan kuna amfani da tasiri na musamman kamar haɓakar bass ko haɓakar treble, kashe su.

Tabbatar kashe saitin da ke sama a cikin naúrar kai kuma. Rike ƙarar sashin kai a sifili.

Mataki na 2 - Ƙara da rage ƙarar a kan naúrar kai

Sannan a hankali ƙara ƙarar naúrar kan ku kuma fara kunna waƙar da kuka saba. Ƙara ƙara har sai kun ji murdiya. Sa'an nan kuma juya ƙarar ƙasa mataki ɗaya ko biyu har sai an kawar da murdiya.

Mataki na 3 - Ƙara da rage riba a cikin amplifier

Yanzu ɗauki flathead screwdriver kuma gano wurin samun ƙulli a kan amplifier. A hankali kunna ribar kullin agogon hannu har sai kun ji murdiya. Lokacin da kuka ji murdiya, kunna kullin kusa da agogo har sai kun kawar da murdiya.

Ka tuna: Ya kamata waƙar ta yi wasa lafiya a matakai 3 da 4.

Mataki 4: Kashe Bass Boost kuma daidaita masu tacewa.

Bayan wannan, juya na'urar haɓaka bass zuwa sifili. Ma'amala da haɓakar bass na iya zama matsala. Don haka nisantar haɓakar bass.

Sa'an nan saita ƙaramar wucewa da madaidaicin mitar tacewa. Waɗannan mitoci na iya bambanta dangane da subwoofers da tweeters da aka yi amfani da su.

Koyaya, saita matattara mai ƙarancin wucewa zuwa 70-80 Hz da babban tacewar zaɓi zuwa 2000 Hz yana da ma'ana (nau'in ƙa'idar babban yatsan hannu).

Mataki na 5 - Maimaita

Maimaita matakai na 2 da 3 har sai kun isa matakin ƙarar aƙalla 80%. Maiyuwa ka sake maimaita tsarin sau 2 ko 3.

Amplifiyar tashoshi 4 ɗinku yanzu an daidaita shi daidai.

muhimmanci: Kodayake tsarin kunna hannu yana da sauƙi, wasu na iya samun matsala gano murdiya. Idan haka ne, yi amfani da kowane ɗayan hanyoyin biyu da ke ƙasa.

Hanyar 2 - Yi amfani da mai gano murdiya

Mai gano murdiya babban kayan aiki ne don daidaita ƙarar tashoshi huɗu. Anan zaka iya gano yadda ake amfani da shi.

Abubuwan Da Za Ku Bukata

Mai gano murdiya
Lebur mai sihiri

Mataki na 1: Kashe Riba, Tace, da Sauran Tasirin.

Da farko kashe duk saituna kamar yadda yake a hanya 1.

Mataki na 2 - Haɗa na'urori masu auna firikwensin

Mai gano murdiya ya zo da firikwensin firikwensin guda biyu. Haɗa su zuwa fitattun lasifikar ƙararrawa.

Mataki na 3 – Daidaita ƙarar naúrar kai

Sannan ƙara ƙarar sashin kai. Kuma a lokaci guda, bincika alamun LED na mai gano murdiya. Babban ja shine don murdiya. Don haka, lokacin da na'urar ta gano duk wani murdiya, jan hasken zai kunna.

A wannan lokacin, daina ƙara ƙarar kuma rage ƙarar har sai hasken ja ya kashe.

Mataki na 4 - Daidaita Riba

Bi wannan tsari don samun amp kamar yadda yake a mataki na 3 (ƙara da rage riba bisa ga murdiya). Yi amfani da screwdriver don daidaita taron ƙarfafawa.

Mataki 5 – Saita tacewa

Saita matatun mai ƙarami da babba zuwa daidaitattun mitoci. Kuma kashe bass boost.

Mataki na 6 - Maimaita

Maimaita matakai na 3 da 4 har sai kun kai 80% girma ba tare da murdiya ba.

Hanyar 3 - Yi amfani da oscilloscope

Yin amfani da oscilloscope wata hanya ce ta kunna amplifier tashoshi huɗu. Amma wannan tsari yana da ɗan rikitarwa.

Abubuwan Da Za Ku Bukata

oscilloscope
Tsohuwar wayar hannu
Aux-In na USB don tarho
Sautunan gwaji da yawa
Lebur mai sihiri

Mataki na 1: Kashe Riba, Tace, da Sauran Tasirin.

Da farko, kashe haɓakawa, tacewa, da sauran tasirin ƙararrawa na musamman. Yi haka don sashin kai. Hakanan saita ƙarar sashin kai zuwa sifili.

Mataki 2 - Kashe duk lasifikar

Sa'an nan kuma cire haɗin duk lasifikan daga amplifier. Yayin wannan tsarin saitin, zaku iya lalata lasifikar ku da gangan. Don haka, a kashe su.

Mataki 3 - Haɗa wayarka ta hannu

Na gaba, haɗa wayoyinku zuwa abubuwan taimako na sashin kai. Yi amfani da kebul na Aux-In mai dacewa don wannan. Sannan kunna sautin gwaji. Don wannan tsari, na zaɓi sautin gwajin 1000 Hz.

Note: Kar a manta kun kunna na'urar kai a wannan matakin.

Mataki na 4 - Saita oscilloscope

An ƙera oscilloscope don nuna jadawali na siginar lantarki. Anan zaka iya duba jadawali irin ƙarfin lantarki. Amma don yin wannan, da farko kuna buƙatar saita oscilloscope daidai.

Oscilloscope yayi kama da multimeter na dijital. Ya kamata a sami bincike guda biyu; Ja da baki. Haɗa jan binciken zuwa tashar tashar VΩ da baƙar fata zuwa tashar COM. Sannan kunna bugun kira zuwa saitunan wutar lantarki na AC.

Lura: Idan ya cancanta, daidaita matattarar ƙarancin wucewa da babban wucewa kafin fara mataki na 5. Kuma kashe haɓakar bass.

Mataki na 5: Haɗa firikwensin zuwa abubuwan fitar da lasifikar.

Yanzu haɗa binciken oscilloscope zuwa abubuwan da ake magana.

Wannan amplifier na tashoshi 4 yana da tashoshi biyu da aka keɓe ga masu magana da gaba biyu. Kuma sauran biyun na masu magana da baya ne. Kamar yadda kuke gani, na haɗa masu binciken zuwa tashar gaba ɗaya.

Yawancin oscilloscopes suna da yanayin tsoho da lambobin nuni (voltage, halin yanzu da juriya). Amma kuna buƙatar yanayin jadawalin. Don haka, bi waɗannan matakan.

Riƙe maɓallin R don 2 ko 3 seconds (a ƙarƙashin maɓallin F1).

Daidaita hankalin jadawali ta amfani da maɓallin F1.

Mataki na 6 - Ƙara ƙarar

Bayan wannan, ƙara ƙarar sashin kai har sai sama da ƙasan siginar sun zama lebur (ana kiran wannan siginar da siginar da aka yanke).

Sa'an nan kuma rage ƙarar har sai kun sami bayyanannun yanayin motsi.

Wannan shine yadda zaku iya kawar da murdiya ta amfani da oscilloscope.

Mataki na 7 - Daidaita Riba

Yanzu zaku iya daidaita ribar amplifier. Don yin wannan, sanya na'urori masu auna firikwensin guda biyu akan tashar gaba ɗaya kamar a mataki na 6.

Ɗauki madaidaicin screwdriver kuma juya ikon amplifier a gefen agogo. Ya kamata ku yi haka har sai oscilloscope ya nuna siginar da aka yanke. Sa'an nan kuma juya nod kusa da agogon agogo har sai kun sami siffa mai tsabta.

Maimaita matakai 6 da 7 idan ya cancanta (kokarin cimma aƙalla ƙarar 80% ba tare da murdiya ba).

Mataki 8 - Saita tashoshi na baya

Bi matakai iri ɗaya kamar matakai na 5,6, 7, 4 da XNUMX don saita tashoshi na baya. Gwada tashoshi ɗaya kowanne don tashoshi na gaba da na baya. An saita amplifier tashar tashar ku ta XNUMX yanzu kuma tana shirye don amfani.

Dubi wasu labaran mu a kasa.