{"id":80,"date":"2025-09-26T07:19:51","date_gmt":"2025-09-26T00:19:51","guid":{"rendered":"http:\/\/trungpro.com.vn\/wordpress\/?p=80"},"modified":"2025-09-26T07:19:51","modified_gmt":"2025-09-26T00:19:51","slug":"cac-thanh-phan-cau-tao-nen-cu-loa-va-chuc-nang-cua-chung","status":"publish","type":"post","link":"https:\/\/trungpro.com.vn\/wordpress\/cac-thanh-phan-cau-tao-nen-cu-loa-va-chuc-nang-cua-chung\/","title":{"rendered":"C\u00e1c th\u00e0nh ph\u1ea7n c\u1ea5u t\u1ea1o n\u00ean c\u1ee7 loa v\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a ch\u00fang"},"content":{"rendered":"\n<p>Loa l\u00e0 thi\u1ebft b\u1ecb chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111i\u1ec7n th\u00e0nh \u00e2m thanh, v\u00e0 \u201cc\u1ee7 loa\u201d ch\u00ednh l\u00e0 b\u1ed9 ph\u1eadn quan tr\u1ecdng nh\u1ea5t t\u1ea1o ra \u00e2m thanh m\u00e0 ch\u00fang ta nghe \u0111\u01b0\u1ee3c. \u0110\u1ec3 t\u1ea1o n\u00ean m\u1ed9t c\u1ee7 loa ho\u00e0n ch\u1ec9nh, nh\u00e0 s\u1ea3n xu\u1ea5t ph\u1ea3i k\u1ebft h\u1ee3p nhi\u1ec1u th\u00e0nh ph\u1ea7n c\u01a1 kh\u00ed, \u0111i\u1ec7n t\u1eed v\u00e0 v\u1eadt li\u1ec7u chuy\u00ean d\u1ee5ng. H\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u chi ti\u1ebft t\u1eebng th\u00e0nh ph\u1ea7n c\u1ea5u t\u1ea1o n\u00ean c\u1ee7 loa v\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a ch\u00fang.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/trungpro.com.vn\/wordpress\/wp-content\/uploads\/2025\/09\/Cau-tao-cu-loa.webp\" alt=\"C\u00e1c th\u00e0nh ph\u1ea7n c\u1ea5u t\u1ea1o n\u00ean c\u1ee7 loa v\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a ch\u00fang\" class=\"wp-image-81\" srcset=\"https:\/\/trungpro.com.vn\/wordpress\/wp-content\/uploads\/2025\/09\/Cau-tao-cu-loa.webp 1024w, https:\/\/trungpro.com.vn\/wordpress\/wp-content\/uploads\/2025\/09\/Cau-tao-cu-loa-300x300.webp 300w, https:\/\/trungpro.com.vn\/wordpress\/wp-content\/uploads\/2025\/09\/Cau-tao-cu-loa-150x150.webp 150w, https:\/\/trungpro.com.vn\/wordpress\/wp-content\/uploads\/2025\/09\/Cau-tao-cu-loa-768x768.webp 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><em>C\u00e1c th\u00e0nh ph\u1ea7n c\u1ea5u t\u1ea1o n\u00ean c\u1ee7 loa v\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a ch\u00fang<\/em><\/figcaption><\/figure>\n\n\n\n<p><strong>1. M\u00e0ng loa (Diaphragm\/Cone)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u1ecb tr\u00ed: N\u1eb1m \u1edf ph\u00eda tr\u01b0\u1edbc c\u1ee7 loa, l\u00e0 b\u1ed9 ph\u1eadn d\u1ec5 nh\u00ecn th\u1ea5y nh\u1ea5t.<\/li>\n\n\n\n<li>Ch\u1ee9c n\u0103ng: Dao \u0111\u1ed9ng \u0111\u1ec3 ph\u00e1t ra \u00e2m thanh.<\/li>\n\n\n\n<li>Ch\u1ea5t li\u1ec7u ph\u1ed5 bi\u1ebfn: Gi\u1ea5y \u00e9p, polypropylene, nh\u00f4m, s\u1ee3i carbon, kevlar\u2026<\/li>\n\n\n\n<li>\u0110\u1eb7c \u0111i\u1ec3m:<br>\n<ul class=\"wp-block-list\">\n<li>M\u00e0ng loa nh\u1eb9 gi\u00fap t\u00e1i t\u1ea1o d\u1ea3i cao nhanh v\u00e0 chi ti\u1ebft.<\/li>\n\n\n\n<li>M\u00e0ng loa c\u1ee9ng v\u00e0 n\u1eb7ng cho \u00e2m tr\u1ea7m s\u00e2u, ch\u1eafc.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><\/li>\n<\/ul>\n\n\n\n<p><strong>2. G\u00e2n loa (Surround)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u1ecb tr\u00ed: Bao quanh vi\u1ec1n ngo\u00e0i c\u1ee7a m\u00e0ng loa.<\/li>\n\n\n\n<li>Ch\u1ee9c n\u0103ng: Gi\u1eef m\u00e0ng loa c\u1ed1 \u0111\u1ecbnh v\u00e0 \u0111\u00e0n h\u1ed3i, cho ph\u00e9p dao \u0111\u1ed9ng t\u1ef1 do theo nh\u1ecbp t\u00edn hi\u1ec7u.<\/li>\n\n\n\n<li>Ch\u1ea5t li\u1ec7u ph\u1ed5 bi\u1ebfn: Cao su, m\u00fat x\u1ed1p, v\u1ea3i t\u1ea9m d\u1ea7u.<\/li>\n\n\n\n<li>T\u1ea7m quan tr\u1ecdng: G\u00e2n loa \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 nh\u1ea1y c\u1ee7a loa, \u0111\u1eb7c bi\u1ec7t \u1edf d\u1ea3i t\u1ea7n th\u1ea5p.<\/li>\n<\/ul>\n\n\n\n<p><strong>3. C\u1ee7 nam ch\u00e2m (Magnet)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u1ecb tr\u00ed: \u1ede ph\u00eda sau c\u1ee7 loa.<\/li>\n\n\n\n<li>Ch\u1ee9c n\u0103ng: T\u1ea1o ra t\u1eeb tr\u01b0\u1eddng \u0111\u1ec3 cu\u1ed9n d\u00e2y voice coil ho\u1ea1t \u0111\u1ed9ng.<\/li>\n\n\n\n<li>Lo\u1ea1i nam ch\u00e2m th\u01b0\u1eddng d\u00f9ng:<br>\n<ul class=\"wp-block-list\">\n<li>Ferrite (gi\u00e1 r\u1ebb, b\u1ec1n, n\u1eb7ng).<\/li>\n\n\n\n<li>Neodymium (nh\u1eb9, l\u1ef1c t\u1eeb m\u1ea1nh, th\u01b0\u1eddng d\u00f9ng trong loa cao c\u1ea5p).<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><\/li>\n<\/ul>\n\n\n\n<p><strong>4. Cu\u1ed9n d\u00e2y \u00e2m (Voice Coil)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u1ecb tr\u00ed: Qu\u1ea5n quanh \u1ed1ng cu\u1ed9n d\u00e2y, \u0111\u1eb7t trong khe t\u1eeb c\u1ee7a nam ch\u00e2m.<\/li>\n\n\n\n<li>Ch\u1ee9c n\u0103ng: Nh\u1eadn t\u00edn hi\u1ec7u \u0111i\u1ec7n t\u1eeb ampli, chuy\u1ec3n \u0111\u1ed5i th\u00e0nh dao \u0111\u1ed9ng c\u01a1 h\u1ecdc \u0111\u1ec3 l\u00e0m rung m\u00e0ng loa.<\/li>\n\n\n\n<li>Ch\u1ea5t li\u1ec7u d\u00e2y: \u0110\u1ed3ng, nh\u00f4m ho\u1eb7c h\u1ee3p kim ph\u1ee7 men c\u00e1ch \u0111i\u1ec7n.<\/li>\n<\/ul>\n\n\n\n<p><strong>5. Khung loa (Basket\/Frame)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u1ecb tr\u00ed: To\u00e0n b\u1ed9 ph\u1ea7n s\u01b0\u1eddn n\u00e2ng \u0111\u1ee1 c\u1ee7 loa.<\/li>\n\n\n\n<li>Ch\u1ee9c n\u0103ng: Gi\u1eef c\u1ed1 \u0111\u1ecbnh c\u00e1c b\u1ed9 ph\u1eadn (m\u00e0ng loa, g\u00e2n, cu\u1ed9n d\u00e2y, nam ch\u00e2m).<\/li>\n\n\n\n<li>Ch\u1ea5t li\u1ec7u: H\u1ee3p kim nh\u00f4m, th\u00e9p d\u1eadp ho\u1eb7c nh\u1ef1a c\u1ee9ng.<\/li>\n<\/ul>\n\n\n\n<p><strong>6. Spider (G\u00e2n nh\u1ec7n\/Voice Coil Suspension)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u1ecb tr\u00ed: N\u1eb1m gi\u1eefa m\u00e0ng loa v\u00e0 cu\u1ed9n d\u00e2y.<\/li>\n\n\n\n<li>Ch\u1ee9c n\u0103ng: Gi\u1eef cu\u1ed9n d\u00e2y \u1edf \u0111\u00fang v\u1ecb tr\u00ed trong khe t\u1eeb, cho ph\u00e9p di chuy\u1ec3n t\u1ecbnh ti\u1ebfn l\u00ean xu\u1ed1ng m\u00e0 kh\u00f4ng b\u1ecb l\u1ec7ch.<\/li>\n\n\n\n<li>\u0110\u1eb7c \u0111i\u1ec3m: Th\u01b0\u1eddng l\u00e0m t\u1eeb v\u1ea3i t\u1ea9m keo c\u00f3 \u0111\u1ed9 \u0111\u00e0n h\u1ed3i cao.<\/li>\n<\/ul>\n\n\n\n<p><strong>7. Dust Cap (N\u1eafp ch\u1ed1ng b\u1ee5i)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u1ecb tr\u00ed: \u1ede trung t\u00e2m m\u00e0ng loa.<\/li>\n\n\n\n<li>Ch\u1ee9c n\u0103ng: B\u1ea3o v\u1ec7 cu\u1ed9n d\u00e2y kh\u1ecfi b\u1ee5i b\u1ea9n, \u0111\u00f4i khi c\u00f2n tham gia \u0111\u1ecbnh h\u00ecnh \u00e2m thanh.<\/li>\n\n\n\n<li>Ch\u1ea5t li\u1ec7u: Gi\u1ea5y, v\u1ea3i, nh\u1ef1a ho\u1eb7c s\u1ee3i t\u1ed5ng h\u1ee3p.<\/li>\n<\/ul>\n\n\n\n<p><strong>8. T\u1ea5m c\u1ef1c t\u1eeb (Pole Piece &amp; Top Plate)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u1ecb tr\u00ed: G\u1eafn li\u1ec1n v\u1edbi nam ch\u00e2m, bao quanh khe t\u1eeb.<\/li>\n\n\n\n<li>Ch\u1ee9c n\u0103ng: D\u1eabn h\u01b0\u1edbng v\u00e0 t\u1eadp trung t\u1eeb tr\u01b0\u1eddng v\u00e0o khu v\u1ef1c cu\u1ed9n d\u00e2y, gi\u00fap t\u0103ng hi\u1ec7u su\u1ea5t.<\/li>\n<\/ul>\n\n\n\n<p><strong>K\u1ebft lu\u1eadn<\/strong><\/p>\n\n\n\n<p>M\u1ed9t c\u1ee7 loa ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 nh\u1edd s\u1ef1 ph\u1ed1i h\u1ee3p nh\u1ecbp nh\u00e0ng gi\u1eefa nhi\u1ec1u b\u1ed9 ph\u1eadn: m\u00e0ng loa, g\u00e2n loa, cu\u1ed9n d\u00e2y, nam ch\u00e2m, khung loa, spider v\u00e0 dust cap. M\u1ed7i th\u00e0nh ph\u1ea7n \u0111\u1ec1u c\u00f3 vai tr\u00f2 ri\u00eang nh\u01b0ng \u0111\u1ec1u h\u01b0\u1edbng \u0111\u1ebfn m\u1ee5c ti\u00eau cu\u1ed1i c\u00f9ng: t\u00e1i t\u1ea1o \u00e2m thanh trung th\u1ef1c, m\u1ea1nh m\u1ebd v\u00e0 b\u1ec1n b\u1ec9.<\/p>\n\n\n\n<p>\ud83d\udc49 Khi t\u00ecm mua loa, ng\u01b0\u1eddi d\u00f9ng n\u00ean ch\u00fa \u00fd \u0111\u1ebfn ch\u1ea5t li\u1ec7u c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn tr\u00ean, v\u00ec ch\u00fang \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng \u00e2m thanh, \u0111\u1ed9 b\u1ec1n v\u00e0 gi\u00e1 tr\u1ecb c\u1ee7a loa.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Loa l\u00e0 thi\u1ebft b\u1ecb chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111i\u1ec7n th\u00e0nh \u00e2m thanh, v\u00e0 \u201cc\u1ee7 loa\u201d ch\u00ednh l\u00e0 b\u1ed9 ph\u1eadn quan tr\u1ecdng nh\u1ea5t t\u1ea1o ra \u00e2m thanh m\u00e0 ch\u00fang ta nghe \u0111\u01b0\u1ee3c. \u0110\u1ec3 t\u1ea1o n\u00ean m\u1ed9t c\u1ee7 loa ho\u00e0n ch\u1ec9nh, nh\u00e0 s\u1ea3n xu\u1ea5t ph\u1ea3i k\u1ebft h\u1ee3p nhi\u1ec1u th\u00e0nh ph\u1ea7n c\u01a1 kh\u00ed<\/p>\n","protected":false},"author":1,"featured_media":81,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[36],"class_list":["post-80","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-audio","tag-cau-tao-cu-loa"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - 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