{"id":1082,"date":"2017-01-17T18:29:17","date_gmt":"2017-01-17T18:29:17","guid":{"rendered":"http:\/\/afrotechmods.com\/tutorials\/?p=1082"},"modified":"2020-05-18T04:27:18","modified_gmt":"2020-05-18T04:27:18","slug":"how-to-make-a-simple-1-watt-audio-amplifier-lm386-based","status":"publish","type":"post","link":"http:\/\/afrotechmods.com\/tutorials\/2017\/01\/17\/how-to-make-a-simple-1-watt-audio-amplifier-lm386-based\/","title":{"rendered":"How to make a simple 1 watt audio amplifier (LM386 based)"},"content":{"rendered":"<p>A tutorial on how to use the popular LM386 class AB audio amplifier IC to build a simple mono 1 watt audio amplifier. It costs less than $3 in parts! There is also a brief discussion of how to use high pass filters to prevent op-amp oscillation and subsequent noise.<br \/>\nSponsored by The Great Courses Plus. Get 30 free days at: <a href=\"http:\/\/ow.ly\/8N2c307LfKL\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/ow.ly\/8N2c307LfKL<\/a><\/p>\n<style>.embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }<\/style>\n<div class=\"embed-container\"><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/4ObzEft2R_g\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\" width=\"560\" height=\"315\" frameborder=\"0\"><\/iframe><\/div>\n<p><a href=\"http:\/\/amzn.to\/2jGZuoX\" target=\"_blank\" rel=\"noopener noreferrer\">LM386s on Amazon<\/a><\/p>\n<div id=\"attachment_1083\" style=\"width: 760px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1083\" src=\"http:\/\/afrotechmods.com\/tutorials\/wp-content\/uploads\/2017\/01\/schematic7-1024x576.png\" alt=\"LM386 audio amplifier\" class=\"size-large wp-image-1083\" width=\"750\" height=\"422\" srcset=\"http:\/\/afrotechmods.com\/tutorials\/wp-content\/uploads\/2017\/01\/schematic7-1024x576.png 1024w, http:\/\/afrotechmods.com\/tutorials\/wp-content\/uploads\/2017\/01\/schematic7-300x169.png 300w, http:\/\/afrotechmods.com\/tutorials\/wp-content\/uploads\/2017\/01\/schematic7-768x432.png 768w, http:\/\/afrotechmods.com\/tutorials\/wp-content\/uploads\/2017\/01\/schematic7-750x422.png 750w, http:\/\/afrotechmods.com\/tutorials\/wp-content\/uploads\/2017\/01\/schematic7.png 1920w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><p id=\"caption-attachment-1083\" class=\"wp-caption-text\">LM386 audio amplifier<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>A tutorial on how to use the popular LM386 class AB audio amplifier IC to build a simple mono 1 watt audio amplifier. It costs less than $3 in parts! There is also a brief discussion of how to use high pass filters to prevent op-amp oscillation and subsequent noise. Sponsored by The Great Courses [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1086,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[5],"tags":[11,30,118,83,119],"class_list":["post-1082","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-intermediate-tutorials","tag-amplifiers","tag-audio","tag-lm386","tag-op-amp","tag-operational-amplifiers"],"acf":[],"aioseo_notices":[],"jetpack_featured_media_url":"http:\/\/afrotechmods.com\/tutorials\/wp-content\/uploads\/2017\/01\/LM386-thumbnail-332x187.jpg","_links":{"self":[{"href":"http:\/\/afrotechmods.com\/tutorials\/wp-json\/wp\/v2\/posts\/1082","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/afrotechmods.com\/tutorials\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/afrotechmods.com\/tutorials\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/afrotechmods.com\/tutorials\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/afrotechmods.com\/tutorials\/wp-json\/wp\/v2\/comments?post=1082"}],"version-history":[{"count":2,"href":"http:\/\/afrotechmods.com\/tutorials\/wp-json\/wp\/v2\/posts\/1082\/revisions"}],"predecessor-version":[{"id":1230,"href":"http:\/\/afrotechmods.com\/tutorials\/wp-json\/wp\/v2\/posts\/1082\/revisions\/1230"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/afrotechmods.com\/tutorials\/wp-json\/wp\/v2\/media\/1086"}],"wp:attachment":[{"href":"http:\/\/afrotechmods.com\/tutorials\/wp-json\/wp\/v2\/media?parent=1082"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/afrotechmods.com\/tutorials\/wp-json\/wp\/v2\/categories?post=1082"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/afrotechmods.com\/tutorials\/wp-json\/wp\/v2\/tags?post=1082"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}