Uyenza njani eyakho ikatala amp ye € 5

Ukudlala isiginci ngesikhulisi

Ukudlala isiginci ngesikhulisi

Kubonakala ngathi izolo xa ndiqala ukudlala ikatala: Umama wandithengela i-acoustic malunga ne-15.000pts (malunga ne- € 90 namhlanje) kwaye ngelo xesha ndandingazi nokuba yingoma. Ndaqala ukufunda ikatala yamandulo, kodwa into endandiyithanda yayingamaqela afana neNirvana okanye iMetallicA. Kwakungekho malunga neminyaka engama-4 kamva ukuba (kwaye ndisenayo) yam yokuqala amp. YayiyiFender eyayinamaxabiso emvuzweni wam wenyanga emva koko, malunga ne-80.000pts (malunga ne- € 500 ngoku). Kule minyaka mine ndandikhumbula ukuba nayo isandisi-lizwi ukuze sikwazi ukudlala "ngombane".

Namhlanje kukho ezinye iindlela ezininzi. Ngapha koko, andisayisebenzisi amp amp. Endaweni yoko, ndidibanisa izixhobo zam kwiziphumo zebhokisi zestompo eziya ngqo kwikhompyuter, apho ndinokurekhoda khona kwaye ndihlele nantoni na endiyifunayo. Kodwa ixabisa malini ezo bhodi zeenyawo? Maninzi amaxabiso, kodwa ndinezimbini ezakha zandibiza phakathi kwe- $ 300 kunye ne- € 500. Ndiyichaza le nto kuba icacile lonto enye yeengxaki zokufuna ukudlala nge-amp amp lixabiso layo okanye izixhobo ezingena endaweni yazo. Kweli nqaku siza kukubonisa indlela yokwenza i-mini amp yexabiso eliphantsi onokucinga ngayo.

Esona sitishi sitshiphu ungacinga ngaso

Konke okuya kuyidinga ukwenza le mini amp iya kuba:

  • Inye ye-LM386 chip (ukuthenga).
  • Ibhetri ye-9V. I- "flask" yobomi bonke.
  • Into evela kwiPerfboard. Unento kwi LONTO, Kodwa lowo ngokukhethekileyo sele elingaphezulu kwexabiso elithenjisiweyo. Ukuba unento evela kwisixhobo esidala ungayisebenzisa ngokugqibeleleyo.
  • Umxhathisi we-10 ohm.
  • I-potentiometer eyi-10k (ukuthenga).
  • Ezinye ii-headphone ezindala.

Ukujikeleza

Lo Okokuqala kuya kufuneka siyenze kukujikeleza isekethe okanye ibhodi yesekethe. Siza kuyenza ngaphandle kokudibanisa nantoni na kwaye, ukuba iyasebenza, siya kudibanisa yonke into. Injongo kukujonga kuqala ukuba kuyasebenza na kwaye emva koko unike ukugqitywa kwipleyiti. Ukuba siyangxama xa siwelda kwaye kukho into ehamba kakubi akusayi kubakho kubuya mva. Ukongeza, xa ukuwelda sinokuphuma esandleni, sophule into kwaye singazi ukuba yintoni ebangele ukusilela, ukuba indibano embi okanye xa uyidibanisa.

Umtya Imiyalelo ye-Chip LM386 sele izisa eminye imizekelo ukwenza i-amplifiers, ke ngekhe sizibaxe kakhulu iintloko zethu. Kuya kufuneka sithathe umzekelo wokuqala, lowo we-20-gain amplifier. Imizobo ye-chip inokudideka: unxantathu umele i-386-pin LM8 chip embindini wesekethe, kwaye ubeko lwe-chip alunanto ingunxantathu. Izikhonkwane zibaliwe ngeenxa zonke kwi-chip ukusuka kwi-1 ukuya kwi-8 njengoko sibona kulo mfanekiso ulandelayo. KUBALULEKILE: ngaphandle kokuba sibona ngenye indlela kwimiyalelo yethu, imilinganiselo ikwii-intshi.

Kuya kufuneka tshintsha amaxabiso e-capacitor ukusondela kangangoko sinako kumaxabiso asemgangathweni. Siza kusebenzisa i-capacitor ye-ceramic kunye. Kumfanekiso olandelayo, sinokutshintsha iibhetri ezimbini ngasekhohlo ngebhetri ye-047V.

Ukumelwa kweesekethe zesikhulisi

Ukumelwa kweesekethe zesikhulisi

Kulo mfanekiso ulandelayo sibona isithethi esincinci seplate compact. Sinokusebenzisa nasiphi na isithethi esiyi-8 ohm.

Isikhulisi sebhodi yomama

Isikhulisi sebhodi yomama

Welding

Okulandelayo kuya kufuneka beka izinto kwizinto ezigqityiweyo kwaye ugobe iingcingo ukwenza isekethe. Apha kufuneka sithathele ingqalelo into yokuba kufuneka sishiye indawo eyoneleyo ukuze ilingane ibhetri ye-9V, elona candelo likhulu kuzo zonke izinto eziyimfuneko ukuza kuthi ga ngoku. Ukuba sisebenzisa isithethi esikhudlwana, sinokubeka nje isekethe encinci ngasemva okanye ngokuchaseneyo nesisithethi.

Uyisebenzisa phi le amp

Singayisebenzisa nakweyiphi na iprojekthi apho kufuneka siphucule isandi, njenge-headphone preamplifier, isixhobo sokuphatha isiginci esiphathwayo, isithethi esiphathwayo somdlali weMP3 okanye senze amazwi erobhothi. Ingqondo, ukuhanjiswa kwesandi Ayinakuze ithelekiswe nesithethi esisemgangathweni ezixabisa amakhulu eeuros, ewe.

Kule nqaku sithetha ukuyisebenzisa njenge-amp amp. Ukuba siza kuyibeka kwibhokisi yesinyithi, kuya kufuneka siyi gubungela iindonga ngolunye uhlobo lokugquma. Kucacile ukuba i-9V ayizukusibulala, kodwa kusenokwenzeka ukuba siyakufumana umothuko ngohlobo lwenkampu esiya kuziva ngathi kukuhlatywa okuncinci. Ukongeza, ukwahlulahlula kuya kuza kuluncedo ukuze ukungcola kungonakalisi indalo yethu entsha.

Isikhulisi kwibhokisi yaso

Isikhulisi kwibhokisi yaso

Isiphaluka esishicilelweyo

Nazi ezinye imifanekiso eprintiweyo yesekethe. Iilebheli kunye nemivumbo yongezwe kwindibano yokunceda. Gcina ukhumbula ukuba intambo yokufaka yeaudio yeefowuni zethu ziya kuthengiswa ngokuthe ngqo kumngxunya wepotentiometer.

Ukuyisebenzisa njengesandisi-lizwi segitare, into ebesingayi kulahleka yiyo qhagamshela i-1/4-intshi ye-jack port kwigalelo lokumamela. Okwangoku xa siyithengisayo, nayiphi na intambo yekatala yombane iya kusebenza. Iziphumo onokuba nazo kumfanekiso olandelayo. Ibhokisi yeepilisi zeAltoids sele isetyenzisiwe, efana neJuanola edumileyo esinayo eSpain kodwa inencasa yeminti. Kubonakala kubalulekile ukukhankanya ukuba kufuneka ulumke nge-1/4 jack port kuba ukuba siyayigoba indawo ngaphakathi singayenza ukuba izwakale kakubi, ukuba ayiqheleki okanye siva ukuphazamiseka okucaphukisayo.

I-mini-amplifier inyuswe

I-mini-amplifier inyuswe

Kuya kufuneka uthathele ingqalelo umhombiso. Ngenxa yobungakanani bayo, sinokulingana nale mini-amp ngokuthe naphi na. Ukuba siza kuyisebenzisa njengesandisi-lizwi, ndiyibonile le amplifier ibekwa ngaphakathi kwincwadi engenanto apho iMP3 inokulingana khona. Ngapha koko, kunokwenzeka menzele ibhokisi enezicucu ze LEGO, enokuyinika umfanekiso ongaphezulu "we-geek" ngelixa uthintela ingxaki yeekram ezincinci, ezingenabungozi kodwa ezinokucaphukisa.

Kuthekani ngale mini-amp inexabiso eliphantsi emhlabeni?

Fuente.


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