{"id":17,"count":4,"description":"

M\u1ea1ch ph\u00e2n t\u1ea7n<\/a> (crossover) l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng trong h\u1ec7 th\u1ed1ng \u00e2m thanh, gi\u00fap chia t\u00edn hi\u1ec7u \u00e2m thanh<\/a> ra c\u00e1c d\u1ea3i t\u1ea7n s\u1ed1 kh\u00e1c nhau \u0111\u1ec3 \u0111\u01b0a t\u1edbi c\u00e1c c\u1ee7 loa ph\u00f9 h\u1ee3p, nh\u01b0 loa bass (cho t\u1ea7n s\u1ed1 th\u1ea5p), loa mid (t\u1ea7n s\u1ed1 trung) v\u00e0 loa treble (t\u1ea7n s\u1ed1 cao). M\u1ea1ch ph\u00e2n t\u1ea7n \u0111\u1ea3m b\u1ea3o m\u1ed7i loa ch\u1ec9 nh\u1eadn t\u00edn hi\u1ec7u trong d\u1ea3i t\u1ea7n s\u1ed1 m\u00e0 n\u00f3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ph\u00e1t, gi\u00fap t\u1ed1i \u01b0u h\u00f3a ch\u1ea5t l\u01b0\u1ee3ng \u00e2m thanh.<\/p>\r\n\r\n

C\u00e1c lo\u1ea1i m\u1ea1ch ph\u00e2n t\u1ea7n:<\/a><\/h3>\r\n
    \r\n \t
  1. \r\n

    M\u1ea1ch ph\u00e2n t\u1ea7n th\u1ee5 \u0111\u1ed9ng<\/strong>: S\u1eed d\u1ee5ng c\u00e1c linh ki\u1ec7n th\u1ee5 \u0111\u1ed9ng nh\u01b0 t\u1ee5 \u0111i\u1ec7n (capacitor), cu\u1ed9n c\u1ea3m (inductor) v\u00e0 \u0111i\u1ec7n tr\u1edf (resistor). M\u1ea1ch<\/a> n\u00e0y kh\u00f4ng c\u1ea7n ngu\u1ed3n \u0111i\u1ec7n b\u1ed5 sung v\u00e0 d\u1ec5 d\u00e0ng l\u1eafp \u0111\u1eb7t, nh\u01b0ng th\u01b0\u1eddng kh\u00f4ng \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t cao nh\u01b0 m\u1ea1ch ch\u1ee7 \u0111\u1ed9ng.<\/p>\r\n\r\n