{"id":51836,"date":"2023-04-21T13:24:31","date_gmt":"2023-04-21T18:24:31","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/diy-transducer-speaker\/"},"modified":"2025-01-21T07:09:25","modified_gmt":"2025-01-21T12:09:25","slug":"diy-transducer-speaker","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/diy-transducer-speaker\/","title":{"rendered":"T\u1ef1 ch\u1ebf loa transducer: H\u01b0\u1edbng d\u1eabn chi ti\u1ebft t\u1eeb A \u0111\u1ebfn Z"},"content":{"rendered":"

Loa t\u1ef1 ch\u1ebf t\u1eeb \u0111\u1ea7u d\u00f2 (transducer) \u0111ang ng\u00e0y c\u00e0ng tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn v\u1edbi nh\u1eefng ng\u01b0\u1eddi y\u00eau th\u00edch \u00e2m thanh v\u00e0 DIY. Vi\u1ec7c t\u1ef1 tay l\u1eafp r\u00e1p m\u1ed9t chi\u1ebfc loa kh\u00f4ng ch\u1ec9 mang l\u1ea1i ni\u1ec1m vui s\u00e1ng t\u1ea1o m\u00e0 c\u00f2n gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a thi\u1ebft b\u1ecb n\u00e0y. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n c\u00e1ch ch\u1ebf t\u1ea1o m\u1ed9t chi\u1ebfc loa \u0111\u01a1n gi\u1ea3n t\u1eeb \u0111\u1ea7u d\u00f2, c\u00f9ng v\u1edbi nh\u1eefng l\u01b0u \u00fd quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 \u00e2m thanh t\u1ed1t nh\u1ea5t.<\/p>\n

Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a loa transducer<\/h3>\n

\u0110\u1ea7u d\u00f2 (transducer) l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng t\u1eeb d\u1ea1ng n\u00e0y sang d\u1ea1ng kh\u00e1c. Trong tr\u01b0\u1eddng h\u1ee3p c\u1ee7a loa, \u0111\u1ea7u d\u00f2 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111i\u1ec7n th\u00e0nh rung \u0111\u1ed9ng c\u01a1 h\u1ecdc, t\u1ea1o ra s\u00f3ng \u00e2m. S\u00f3ng \u00e2m n\u00e0y sau \u0111\u00f3 \u0111\u01b0\u1ee3c khu\u1ebfch \u0111\u1ea1i b\u1edfi m\u00e0ng loa v\u00e0 lan truy\u1ec1n trong kh\u00f4ng kh\u00ed, \u0111\u1ebfn tai ng\u01b0\u1eddi nghe.<\/p>\n

C\u00e1c lo\u1ea1i \u0111\u1ea7u d\u00f2 th\u01b0\u1eddng d\u00f9ng<\/h3>\n

C\u00f3 nhi\u1ec1u lo\u1ea1i \u0111\u1ea7u d\u00f2 kh\u00e1c nhau, m\u1ed7i lo\u1ea1i c\u00f3 \u0111\u1eb7c t\u00ednh v\u00e0 \u1ee9ng d\u1ee5ng ri\u00eang. \u0110\u1ed1i v\u1edbi loa t\u1ef1 ch\u1ebf, th\u01b0\u1eddng s\u1eed d\u1ee5ng \u0111\u1ea7u d\u00f2 \u00e1p \u0111i\u1ec7n (piezoelectric transducer) do gi\u00e1 th\u00e0nh r\u1ebb v\u00e0 d\u1ec5 t\u00ecm ki\u1ebfm.<\/p>\n\n\n\n\n\n\n
Lo\u1ea1i \u0111\u1ea7u d\u00f2<\/th>\n\u01afu \u0111i\u1ec3m<\/th>\nNh\u01b0\u1ee3c \u0111i\u1ec3m<\/th>\n\u1ee8ng d\u1ee5ng<\/th>\n<\/tr>\n<\/thead>\n
\u00c1p \u0111i\u1ec7n (Piezo)<\/td>\nGi\u00e1 th\u00e0nh r\u1ebb, d\u1ec5 s\u1eed d\u1ee5ng, k\u00edch th\u01b0\u1edbc nh\u1ecf<\/td>\nD\u1ea3i t\u1ea7n s\u1ed1 h\u1eb9p, \u0111\u1ed9 m\u00e9o ti\u1ebfng cao h\u01a1n<\/td>\nLoa \u0111\u01a1n gi\u1ea3n, b\u00e1o \u0111\u1ed9ng<\/td>\n<\/tr>\n
\u0110i\u1ec7n \u0111\u1ed9ng (Dynamic)<\/td>\nD\u1ea3i t\u1ea7n s\u1ed1 r\u1ed9ng, \u0111\u1ed9 m\u00e9o ti\u1ebfng th\u1ea5p<\/td>\nK\u00edch th\u01b0\u1edbc l\u1edbn h\u01a1n, gi\u00e1 th\u00e0nh cao h\u01a1n<\/td>\nLoa ch\u1ea5t l\u01b0\u1ee3ng cao, tai nghe<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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

\u0110\u1ec3 ch\u1ebf t\u1ea1o loa transducer, b\u1ea1n c\u1ea7n chu\u1ea9n b\u1ecb nh\u1eefng v\u1eadt li\u1ec7u sau:<\/p>\n

    \n
  • \u0110\u1ea7u d\u00f2 \u00e1p \u0111i\u1ec7n (piezoelectric transducer)<\/li>\n
  • D\u00e2y \u0111i\u1ec7n<\/li>\n
  • M\u00e0ng loa (c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u nh\u01b0 gi\u1ea5y c\u1ee9ng, nh\u1ef1a m\u1ecfng, ho\u1eb7c kim lo\u1ea1i m\u1ecfng)<\/li>\n
  • H\u1ed9p \u0111\u1ef1ng (c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng h\u1ed9p nh\u1ef1a, g\u1ed7, ho\u1eb7c kim lo\u1ea1i)<\/li>\n
  • Keo d\u00e1n<\/li>\n
  • K\u00e9o, dao r\u1ecdc gi\u1ea5y<\/li>\n
  • M\u1ecf h\u00e0n (n\u1ebfu c\u1ea7n)<\/li>\n<\/ul>\n

    Quy tr\u00ecnh ch\u1ebf t\u1ea1o<\/h3>\n
      \n
    1. N\u1ed1i d\u00e2y \u0111i\u1ec7n v\u00e0o hai c\u1ef1c c\u1ee7a \u0111\u1ea7u d\u00f2. S\u1eed d\u1ee5ng m\u1ecf h\u00e0n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i ch\u1eafc ch\u1eafn.<\/li>\n
    2. D\u00e1n \u0111\u1ea7u d\u00f2 v\u00e0o m\u00e0ng loa. L\u01b0u \u00fd ch\u1ecdn v\u1ecb tr\u00ed d\u00e1n sao cho \u0111\u1ea7u d\u00f2 n\u1eb1m \u1edf trung t\u00e2m m\u00e0ng loa \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u00e2m thanh \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 \u0111\u1ec1u.<\/li>\n
    3. C\u1ed1 \u0111\u1ecbnh m\u00e0ng loa v\u00e0o h\u1ed9p \u0111\u1ef1ng. \u0110\u1ea3m b\u1ea3o m\u00e0ng loa \u0111\u01b0\u1ee3c c\u0103ng \u0111\u1ec1u v\u00e0 kh\u00f4ng b\u1ecb rung \u0111\u1ed9ng kh\u00f4ng mong mu\u1ed1n.<\/li>\n
    4. K\u1ebft n\u1ed1i d\u00e2y \u0111i\u1ec7n t\u1eeb \u0111\u1ea7u d\u00f2 v\u1edbi ngu\u1ed3n \u00e2m thanh (\u0111i\u1ec7n tho\u1ea1i, m\u00e1y t\u00ednh…).<\/li>\n<\/ol>\n

      Khu\u1ebfch \u0111\u1ea1i \u00e2m thanh (t\u00f9y ch\u1ecdn)<\/h3>\n

      \u00c2m thanh t\u1eeb \u0111\u1ea7u d\u00f2 piezo th\u01b0\u1eddng kh\u00e1 nh\u1ecf. \u0110\u1ec3 t\u0103ng c\u01b0\u1eddng \u00e2m l\u01b0\u1ee3ng, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u1ea1ch khu\u1ebfch \u0111\u1ea1i \u00e2m thanh. C\u00f3 nhi\u1ec1u m\u1ea1ch khu\u1ebfch \u0111\u1ea1i \u0111\u01a1n gi\u1ea3n c\u00f3 th\u1ec3 t\u1ef1 l\u1eafp r\u00e1p ho\u1eb7c mua s\u1eb5n tr\u00ean th\u1ecb tr\u01b0\u1eddng.<\/p>\n

      Ki\u1ec3m tra v\u00e0 ho\u00e0n thi\u1ec7n<\/h3>\n

      Sau khi ho\u00e0n th\u00e0nh c\u00e1c b\u01b0\u1edbc tr\u00ean, k\u1ebft n\u1ed1i loa v\u1edbi ngu\u1ed3n \u00e2m thanh v\u00e0 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng \u00e2m thanh. \u0110i\u1ec1u ch\u1ec9nh v\u1ecb tr\u00ed v\u00e0 \u0111\u1ed9 c\u0103ng c\u1ee7a m\u00e0ng loa \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u00e2m thanh t\u1ed1t nh\u1ea5t. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 th\u1eed nghi\u1ec7m v\u1edbi c\u00e1c lo\u1ea1i h\u1ed9p \u0111\u1ef1ng v\u00e0 m\u00e0ng loa kh\u00e1c nhau \u0111\u1ec3 t\u00ecm ra s\u1ef1 k\u1ebft h\u1ee3p ph\u00f9 h\u1ee3p.<\/p>\n

      T\u1ef1 ch\u1ebf loa t\u1eeb \u0111\u1ea7u d\u00f2 l\u00e0 m\u1ed9t d\u1ef1 \u00e1n DIY th\u00fa v\u1ecb v\u00e0 b\u1ed5 \u00edch. M\u1eb7c d\u00f9 ch\u1ea5t l\u01b0\u1ee3ng \u00e2m thanh c\u00f3 th\u1ec3 kh\u00f4ng s\u00e1nh b\u1eb1ng loa chuy\u00ean nghi\u1ec7p, nh\u01b0ng tr\u1ea3i nghi\u1ec7m t\u1ef1 tay l\u1eafp r\u00e1p v\u00e0 t\u00ecm hi\u1ec3u v\u1ec1 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a loa s\u1ebd mang l\u1ea1i cho b\u1ea1n nhi\u1ec1u ki\u1ebfn th\u1ee9c v\u00e0 ni\u1ec1m vui s\u00e1ng t\u1ea1o. Hy v\u1ecdng b\u00e0i vi\u1ebft n\u00e0y \u0111\u00e3 cung c\u1ea5p cho b\u1ea1n nh\u1eefng th\u00f4ng tin c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1eaft \u0111\u1ea7u h\u00e0nh tr\u00ecnh ch\u1ebf t\u1ea1o loa c\u1ee7a ri\u00eang m\u00ecnh.<\/p>\n","protected":false},"excerpt":{"rendered":"

      Loa t\u1ef1 ch\u1ebf t\u1eeb \u0111\u1ea7u d\u00f2 (transducer) \u0111ang ng\u00e0y c\u00e0ng tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn v\u1edbi nh\u1eefng ng\u01b0\u1eddi y\u00eau th\u00edch \u00e2m thanh v\u00e0 DIY. Vi\u1ec7c t\u1ef1 tay l\u1eafp r\u00e1p m\u1ed9t chi\u1ebfc loa kh\u00f4ng ch\u1ec9 mang l\u1ea1i ni\u1ec1m vui s\u00e1ng t\u1ea1o m\u00e0 c\u00f2n gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a thi\u1ebft b\u1ecb n\u00e0y.<\/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-51836","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\/51836","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=51836"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/51836\/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=51836"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=51836"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=51836"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}