{"id":51884,"date":"2023-04-21T13:21:26","date_gmt":"2023-04-21T18:21:26","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/diy-surface-transducer-speaker\/"},"modified":"2025-01-21T07:09:19","modified_gmt":"2025-01-21T12:09:19","slug":"diy-surface-transducer-speaker","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/diy-surface-transducer-speaker\/","title":{"rendered":"T\u1ef1 ch\u1ebf loa rung b\u1ec1 m\u1eb7t: \u00e2m thanh t\u1eeb m\u1ecdi v\u1eadt"},"content":{"rendered":"

Loa rung b\u1ec1 m\u1eb7t, hay c\u00f2n g\u1ecdi l\u00e0 loa exciter, l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p \u00e2m thanh th\u00fa v\u1ecb v\u00e0 \u0111\u1ed9c \u0111\u00e1o, bi\u1ebfn \u0111\u1ed5i b\u1ea5t k\u1ef3 b\u1ec1 m\u1eb7t ph\u1eb3ng n\u00e0o th\u00e0nh m\u1ed9t m\u00e0ng loa. T\u1eeb b\u00e0n g\u1ed7, c\u1eeda k\u00ednh \u0111\u1ebfn t\u01b0\u1eddng g\u1ea1ch, loa rung b\u1ec1 m\u1eb7t c\u00f3 th\u1ec3 mang \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m \u00e2m nh\u1ea1c m\u1edbi m\u1ebb v\u00e0 \u0111\u1ea7y s\u00e1ng t\u1ea1o. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n c\u00e1ch t\u1ef1 ch\u1ebf t\u1ea1o m\u1ed9t loa rung b\u1ec1 m\u1eb7t \u0111\u01a1n gi\u1ea3n v\u1edbi nh\u1eefng v\u1eadt li\u1ec7u d\u1ec5 t\u00ecm.<\/p>\n

Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a loa rung b\u1ec1 m\u1eb7t<\/h3>\n

Loa rung b\u1ec1 m\u1eb7t ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd truy\u1ec1n rung \u0111\u1ed9ng. Kh\u00e1c v\u1edbi loa truy\u1ec1n th\u1ed1ng s\u1eed d\u1ee5ng m\u00e0ng loa \u0111\u1ec3 t\u1ea1o ra s\u00f3ng \u00e2m, loa rung b\u1ec1 m\u1eb7t truy\u1ec1n rung \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp l\u00ean b\u1ec1 m\u1eb7t v\u1eadt li\u1ec7u m\u00e0 n\u00f3 \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o. B\u1ec1 m\u1eb7t n\u00e0y s\u1ebd \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t m\u00e0ng loa kh\u1ed5ng l\u1ed3, dao \u0111\u1ed9ng v\u00e0 t\u1ea1o ra \u00e2m thanh. Ch\u1ea5t l\u01b0\u1ee3ng \u00e2m thanh ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1, bao g\u1ed3m ch\u1ea5t li\u1ec7u b\u1ec1 m\u1eb7t, k\u00edch th\u01b0\u1edbc, \u0111\u1ed9 c\u1ee9ng v\u00e0 c\u1ea3 c\u00e1ch l\u1eafp \u0111\u1eb7t loa.<\/p>\n

V\u1eadt li\u1ec7u c\u1ea7n chu\u1ea9n b\u1ecb<\/h3>\n

\u0110\u1ec3 t\u1ef1 ch\u1ebf t\u1ea1o loa rung b\u1ec1 m\u1eb7t, b\u1ea1n s\u1ebd c\u1ea7n chu\u1ea9n b\u1ecb nh\u1eefng v\u1eadt li\u1ec7u sau:<\/p>\n\n\n\n\n\n\n\n\n\n\n
V\u1eadt li\u1ec7u<\/th>\nM\u00f4 t\u1ea3<\/th>\nS\u1ed1 l\u01b0\u1ee3ng<\/th>\n<\/tr>\n<\/thead>\n
Loa rung b\u1ec1 m\u1eb7t (exciter)<\/td>\nC\u00f3 th\u1ec3 t\u00ecm mua tr\u00ean c\u00e1c trang th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed<\/td>\n1<\/td>\n<\/tr>\n
Khu\u1ebfch \u0111\u1ea1i \u00e2m thanh<\/td>\nKhu\u1ebfch \u0111\u1ea1i t\u00edn hi\u1ec7u \u00e2m thanh t\u1eeb ngu\u1ed3n ph\u00e1t<\/td>\n1<\/td>\n<\/tr>\n
Ngu\u1ed3n ph\u00e1t nh\u1ea1c<\/td>\n\u0110i\u1ec7n tho\u1ea1i, m\u00e1y t\u00ednh b\u1ea3ng, m\u00e1y nghe nh\u1ea1c, v.v.<\/td>\n1<\/td>\n<\/tr>\n
D\u00e2y \u0111i\u1ec7n<\/td>\nD\u00f9ng \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb<\/td>\nT\u00f9y theo nhu c\u1ea7u<\/td>\n<\/tr>\n
Keo d\u00e1n<\/td>\nD\u00f9ng \u0111\u1ec3 c\u1ed1 \u0111\u1ecbnh loa rung l\u00ean b\u1ec1 m\u1eb7t<\/td>\n1<\/td>\n<\/tr>\n
B\u1ec1 m\u1eb7t v\u1eadt li\u1ec7u<\/td>\nB\u00e0n g\u1ed7, k\u00ednh, kim lo\u1ea1i, ho\u1eb7c b\u1ea5t k\u1ef3 b\u1ec1 m\u1eb7t ph\u1eb3ng n\u00e0o<\/td>\n1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

C\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n<\/h3>\n
    \n
  1. Chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t:<\/strong> L\u00e0m s\u1ea1ch b\u1ec1 m\u1eb7t v\u1eadt li\u1ec7u b\u1ea1n ch\u1ecdn \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u00e1m d\u00ednh t\u1ed1t nh\u1ea5t cho keo.<\/li>\n
  2. G\u1eafn loa rung:<\/strong> D\u00e1n loa rung l\u00ean b\u1ec1 m\u1eb7t v\u1eadt li\u1ec7u b\u1eb1ng keo. C\u1ea7n \u0111\u1ea3m b\u1ea3o loa \u0111\u01b0\u1ee3c g\u1eafn ch\u1eb7t v\u00e0 kh\u00f4ng b\u1ecb rung l\u1eafc. V\u1ecb tr\u00ed \u0111\u1eb7t loa c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng \u00e2m thanh, b\u1ea1n n\u00ean th\u1eed nghi\u1ec7m nhi\u1ec1u v\u1ecb tr\u00ed kh\u00e1c nhau \u0111\u1ec3 t\u00ecm v\u1ecb tr\u00ed t\u1ed1i \u01b0u.<\/li>\n
  3. K\u1ebft n\u1ed1i d\u00e2y:<\/strong> K\u1ebft n\u1ed1i d\u00e2y \u0111i\u1ec7n t\u1eeb loa rung \u0111\u1ebfn khu\u1ebfch \u0111\u1ea1i \u00e2m thanh.<\/li>\n
  4. K\u1ebft n\u1ed1i ngu\u1ed3n nh\u1ea1c:<\/strong> K\u1ebft n\u1ed1i ngu\u1ed3n ph\u00e1t nh\u1ea1c v\u1edbi khu\u1ebfch \u0111\u1ea1i \u00e2m thanh.<\/li>\n
  5. Ki\u1ec3m tra \u00e2m thanh:<\/strong> B\u1eadt ngu\u1ed3n nh\u1ea1c v\u00e0 ki\u1ec3m tra \u00e2m thanh. \u0110i\u1ec1u ch\u1ec9nh \u00e2m l\u01b0\u1ee3ng tr\u00ean khu\u1ebfch \u0111\u1ea1i v\u00e0 ngu\u1ed3n ph\u00e1t \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c ch\u1ea5t l\u01b0\u1ee3ng \u00e2m thanh mong mu\u1ed1n.<\/li>\n<\/ol>\n

    Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1<\/h3>\n

    N\u1ebfu \u00e2m thanh qu\u00e1 nh\u1ecf ho\u1eb7c b\u1ecb r\u00e8, b\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m tra l\u1ea1i c\u00e1c k\u1ebft n\u1ed1i d\u00e2y, v\u1ecb tr\u00ed \u0111\u1eb7t loa rung v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng keo d\u00e1n. Ngo\u00e0i ra, ch\u1ea5t li\u1ec7u b\u1ec1 m\u1eb7t c\u0169ng \u1ea3nh h\u01b0\u1edfng r\u1ea5t l\u1edbn \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng \u00e2m thanh. B\u1ea1n n\u00ean th\u1eed nghi\u1ec7m v\u1edbi nhi\u1ec1u lo\u1ea1i b\u1ec1 m\u1eb7t kh\u00e1c nhau \u0111\u1ec3 t\u00ecm ra lo\u1ea1i ph\u00f9 h\u1ee3p nh\u1ea5t.<\/p>\n

    N\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng \u00e2m thanh<\/h3>\n

    \u0110\u1ec3 n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng \u00e2m thanh, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng h\u1ed9p c\u1ed9ng h\u01b0\u1edfng. H\u1ed9p c\u1ed9ng h\u01b0\u1edfng gi\u00fap khu\u1ebfch \u0111\u1ea1i \u00e2m thanh v\u00e0 gi\u1ea3m thi\u1ec3u hi\u1ec7n t\u01b0\u1ee3ng rung \u0111\u1ed9ng kh\u00f4ng mong mu\u1ed1n. B\u1ea1n c\u00f3 th\u1ec3 t\u1ef1 ch\u1ebf h\u1ed9p c\u1ed9ng h\u01b0\u1edfng b\u1eb1ng g\u1ed7 ho\u1eb7c c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c.<\/p>\n

    Vi\u1ec7c t\u1ef1 ch\u1ebf loa rung b\u1ec1 m\u1eb7t kh\u00f4ng ch\u1ec9 \u0111\u01a1n gi\u1ea3n, ti\u1ebft ki\u1ec7m chi ph\u00ed m\u00e0 c\u00f2n mang \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m \u00e2m thanh \u0111\u1ed9c \u0111\u00e1o v\u00e0 th\u00fa v\u1ecb. V\u1edbi m\u1ed9t ch\u00fat s\u00e1ng t\u1ea1o, b\u1ea1n c\u00f3 th\u1ec3 bi\u1ebfn \u0111\u1ed5i b\u1ea5t k\u1ef3 b\u1ec1 m\u1eb7t n\u00e0o th\u00e0nh m\u1ed9t h\u1ec7 th\u1ed1ng \u00e2m thanh \u1ea5n t\u01b0\u1ee3ng. Hy v\u1ecdng b\u00e0i vi\u1ebft n\u00e0y \u0111\u00e3 cung c\u1ea5p cho b\u1ea1n nh\u1eefng th\u00f4ng tin h\u1eefu \u00edch \u0111\u1ec3 b\u1eaft \u0111\u1ea7u h\u00e0nh tr\u00ecnh kh\u00e1m ph\u00e1 \u00e2m thanh v\u1edbi loa rung b\u1ec1 m\u1eb7t.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Loa rung b\u1ec1 m\u1eb7t, hay c\u00f2n g\u1ecdi l\u00e0 loa exciter, l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p \u00e2m thanh th\u00fa v\u1ecb v\u00e0 \u0111\u1ed9c \u0111\u00e1o, bi\u1ebfn \u0111\u1ed5i b\u1ea5t k\u1ef3 b\u1ec1 m\u1eb7t ph\u1eb3ng n\u00e0o th\u00e0nh m\u1ed9t m\u00e0ng loa. T\u1eeb b\u00e0n g\u1ed7, c\u1eeda k\u00ednh \u0111\u1ebfn t\u01b0\u1eddng g\u1ea1ch, loa rung b\u1ec1 m\u1eb7t c\u00f3 th\u1ec3 mang \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m \u00e2m nh\u1ea1c m\u1edbi m\u1ebb<\/p>\n","protected":false},"author":1,"featured_media":26478,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-51884","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/51884","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/comments?post=51884"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/51884\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/26478"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=51884"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=51884"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=51884"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}