Trong th\u1ebf gi\u1edbi\u00a0\u00e2m thanh h\u1ed9i tr\u01b0\u1eddng<\/strong><\/a>, bi\u1ec3u di\u1ec5n, hi-fi kh\u00f4ng c\u00f3 thi\u1ebft b\u1ecb n\u00e0o l\u00e0 ho\u00e0n h\u1ea3o tuy\u1ec7t \u0111\u1ed1i. B\u1ea5t c\u1ee9 thi\u1ebft b\u1ecb n\u00e0o \u0111\u01b0\u1ee3c t\u1ea1o ra c\u0169ng \u0111\u1ec1u h\u01b0\u1edbng \u0111\u1ebfn m\u1ed9t nh\u00f3m \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 nhu c\u1ea7u c\u1ee5 th\u1ec3. V\u00ec th\u1ebf ng\u01b0\u1eddi ch\u01a1i \u00e2m thanh c\u1ea7n c\u00f3 s\u1ef1 \u0111\u1ecbnh h\u01b0\u1edbng \u0111\u00fang \u0111\u1eafn theo y\u00eau c\u1ea7u v\u00e0 kh\u1ea3 n\u0103ng c\u1ee7a m\u00ecnh \u0111\u1ec3 mau \u0111\u1ea1t m\u1ee5c \u0111\u00edch v\u00e0 tr\u00e1nh t\u1ed1n k\u00e9m. B\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y s\u1ebd chia s\u1ebb ph\u1ea7n n\u00e0o quan \u0111i\u1ec3m \u0111\u00f3 c\u00f9ng c\u00e1c b\u1ea1n. Gi\u00e0u c\u1ea3m x\u00fac v\u00e0 Tinh t\u1ebf. N\u1eb1m gi\u1eefa ba nh\u00f3m ch\u00ednh \u0111\u00f3 l\u00e0 ba nh\u00f3m ph\u1ee5 \u2013 M\u1ea1nh m\u1ebd, M\u01b0\u1ee3t m\u00e0 v\u00e0 R\u1ef1c r\u1ee1. M\u1ed7i thi\u1ebft b\u1ecb ho\u1eb7c th\u01b0\u01a1ng hi\u1ec7u \u0111\u1ec1u c\u00f3 th\u1ec3 x\u1ebfp v\u00e0o m\u1ed9t trong s\u1ed1 nh\u1eefng nh\u00f3m \u0111\u00f3. C\u00e1ch ph\u00e2n lo\u1ea1i d\u01b0\u1edbi \u0111\u00e2y ch\u1ec9 to\u00e0n mang t\u00ednh g\u1ee3i \u00fd, tham kh\u1ea3o, kh\u00f4ng ph\u1ea3i l\u00e0 c\u00e1ch ph\u00e2n lo\u1ea1i ch\u00ednh th\u1ee9c v\u00e0 ch\u00ednh x\u00e1c tuy\u1ec7t \u0111\u1ed1i.<\/span><\/p>\n

CH\u1ea4T \u00c2M CH\u00cdNH X\u00c1C<\/strong>\u00a0Nh\u1eefng thi\u1ebft b\u1ecb thu\u1ed9c nh\u00f3m n\u00e0y th\u01b0\u1eddng thu\u1ed9c v\u1ec1 th\u1ebf gi\u1edbi \u00e2m thanh nh\u00e0 ngh\u1ec1 hay chuy\u00ean nghi\u1ec7p (c\u00f2n \u0111\u01b0\u1ee3c d\u00e2n ch\u01a1i g\u1ecdi l\u00e0 \u00e2m thanh pro). V\u1edbi nh\u1eefng ch\u1ec9 s\u1ed1 k\u1ef9 thu\u1eadt \u0111o l\u01b0\u1eddng \u1ea5n t\u01b0\u1ee3ng, d\u1ea3i t\u1ea7n r\u1ed9ng v\u00e0 \u0111\u1ed9 m\u00e9o si\u00eau th\u1ea5p, nh\u1eefng thi\u1ebft b\u1ecb thu\u1ed9c nh\u00f3m n\u00e0y c\u00f3 s\u1ee9 m\u1ec7nh th\u1ec3 hi\u1ec7n l\u1ea1i trung th\u1ef1c t\u1edbi t\u1eebng chi ti\u1ebft nh\u1ecf b\u00e9 v\u00e0 tinh t\u1ebf nh\u1ea5t c\u1ee7a \u00e2m nh\u1ea1c. Tuy m\u1ecdi nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec1u n\u00f3i r\u1eb1ng s\u1ea3n ph\u1ea9m c\u1ee7a m\u00ecnh c\u00f3 kh\u1ea3 n\u0103ng t\u00e1i hi\u1ec7n l\u1ea1i \u00e2m thanh ch\u00ednh x\u00e1c, nh\u01b0ng nh\u1eefng th\u01b0\u01a1ng hi\u1ec7u t\u1eadp trung trong nh\u00f3m ch\u1ea5t \u00e2m n\u00e0y th\u01b0\u1eddng \u0111\u01b0a ra nh\u1eefng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 \u0111o l\u01b0\u1eddng ph\u1ee9c t\u1ea1p nh\u1eb1m tho\u1ea3 m\u00e3n ng\u01b0\u1eddi nghe, v\u00e0 \u0111\u1eb7c bi\u1ec7t l\u00e0 nh\u1eefng k\u1ef9 s\u01b0 l\u00e0m vi\u1ec7c trong ng\u00e0nh thu \u00e2m, nh\u1eefng ng\u01b0\u1eddi \u0111\u00f2i h\u1ecfi s\u1ef1 ch\u00ednh x\u00e1c tuy\u1ec7t \u0111\u1ed1i t\u1eeb c\u00e1c thi\u1ebft b\u1ecb c\u1ee7a m\u00ecnh. Tuy r\u1ea5t ph\u1ed5 bi\u1ebfn v\u00e0 \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng trong th\u1ebf gi\u1edbi c\u00f4ng nghi\u1ec7p \u00e2m thanh, \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi nghe th\u00f4ng th\u01b0\u1eddng t\u1ea1i gia, \u0111\u00e2y l\u1ea1i l\u00e0 nh\u00f3m chi\u1ebfm thi\u1ec3u s\u1ed1.<\/span><\/p>\n

\u01afu \u0111i\u1ec3m<\/strong>\u00a0Ch\u1ea5t \u00e2m c\u1ef1c k\u1ef3 ch\u00ednh x\u00e1c v\u00e0 kh\u1ea3 n\u0103ng nghe \u0111\u01b0\u1ee3c nhi\u1ec1u chi ti\u1ebft tr\u00ean \u0111\u0129a CD ho\u1eb7c vinyl l\u00e0 nh\u1eefng g\u00ec ng\u01b0\u1eddi nghe tr\u00f4ng \u0111\u1ee3i \u1edf nh\u00f3m \u00e2m thanh n\u00e0y. V\u1edbi nhi\u1ec1u ng\u01b0\u1eddi, \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 ch\u1ea5t \u00e2m d\u1ec5 nghe v\u00e0 mang t\u00ednh th\u01b0\u1edfng th\u1ee9c, th\u01b0 gi\u00e3n \u2013 b\u1edfi \u00e2m thanh h\u01b0\u1edbng r\u00f5 r\u1ec7t v\u1ec1 ph\u00eda tr\u01b0\u1edbc. Ti\u1ebfng bass l\u1edbn, \u0111\u00f4i khi c\u00f2n h\u01a1i kh\u00f4 v\u00e0 to\u00e0n b\u1ed9 d\u1ea3i t\u1ea7n ph\u1eb3ng tuy\u1ec7t \u0111\u1ed1i.<\/span><\/p>\n

Nh\u01b0\u1ee3c \u0111i\u1ec3m Ch\u00ednh \u01b0u \u0111i\u1ec3m<\/strong>\u00a0c\u1ee7a lo\u1ea1i \u00e2m thanh n\u00e0y c\u0169ng l\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m \u2013 nhi\u1ec1u ng\u01b0\u1eddi cho r\u1eb1ng \u00e2m thanh qu\u00e1 ch\u00ednh x\u00e1c s\u1ebd v\u1ea1ch tr\u1ea7n ngay c\u1ea3 nh\u1eefng chi ti\u1ebft kh\u00f4ng t\u1ed1t, v\u00e0 b\u1edfi nh\u1eefng \u0111\u0129a thu \u00e2m k\u00e9m th\u00ec \u00e2m thanh s\u1ebd tr\u1edf n\u00ean t\u1ec7 h\u1ea1i v\u00e0 kh\u00f3 nghe. Ngo\u00e0i ra, \u0111\u00f4i khi b\u1ea1n s\u1ebd th\u1ea5y ti\u1ebfng treble b\u1ecb ch\u00f3i g\u1eaft, to\u00e0n b\u1ed9 d\u1ea3i \u00e2m n\u00f3i chung kh\u00f4 c\u1ee9ng v\u00e0 l\u1ea1nh, kh\u00f4ng c\u00f3 h\u01a1i \u1ea5m v\u00e0 s\u1ee9c s\u1ed1ng ch\u00e2n th\u1ef1c.<\/span><\/p>\n

C\u00e1c th\u01b0\u01a1ng hi\u1ec7u n\u1ed5i b\u1eadt<\/strong>\u00a0C\u00f3 kh\u00f4ng \u00edt th\u01b0\u01a1ng hi\u1ec7u loa pro thu\u1ed9c nh\u00f3m n\u00e0y nh\u01b0: Pioneer\/Tad, ATC, PMC, Adam, Lipinski, JBL Monitor\u2026 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf d\u00e0nh ri\u00eang cho c\u00e1c studio chuy\u00ean nghi\u1ec7p. Nhi\u1ec1u ng\u01b0\u1eddi nghe b\u00ecnh th\u01b0\u1eddng c\u00f3 s\u1edf th\u00edch \u00e2m thanh ch\u00ednh x\u00e1c c\u0169ng s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i loa n\u00f3i tr\u00ean cho h\u1ec7 th\u1ed1ng \u00e2m thanh hi-fi gia \u0111\u00ecnh. V\u1ec1 ampli, c\u00e1c h\u00e3ng nh\u01b0 Bryston, Chord hay Gamu T c\u0169ng \u0111\u01b0\u1ee3c coi l\u00e0 d\u00f2ng ampli c\u00f3 t\u00ednh ch\u00ednh x\u00e1c cao, hay \u0111\u01b0\u1ee3c d\u00f9ng cho studio tuy nhi\u00ean g\u1ea7n \u0111\u00e2y h\u1ecd c\u00f3 t\u00e1ch r\u1eddi ph\u00e2n kh\u00fac pro v\u00e0 home. M\u1ed9t s\u1ed1 th\u01b0\u01a1ng hi\u1ec7u nh\u01b0 B&W hay Wilson Benesch c\u0169ng d\u00f2ng s\u1ea3n ph\u1ea9m pro v\u00e0 d\u00f2ng s\u1ea3n ph\u1ea9m cho gia \u0111\u00ecnh thu\u00f4c nh\u00f3m n\u00e0y v\u00e0 \u0111\u00e3 qu\u00e1 n\u1ed5i ti\u1ebfng trong th\u1ebf gi\u1edbi hi-end, ch\u00fang c\u0169ng c\u00f3 \u00e2m thanh \u0111\u1eb7c tr\u01b0ng ri\u00eang mang m\u00e0u s\u1eafc chuy\u00ean nghi\u1ec7p.<\/span><\/p>\n

CH\u1ea4T \u00c2M TINH T\u1ebe<\/strong>\u00a0L\u00e0 ch\u1ea5t \u00e2m ph\u1ed5 bi\u1ebfn v\u00e0 \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng nh\u1ea5t \u0111\u1ed1i v\u1edbi c\u00e1c audiophile hi\u1ec7n \u0111\u1ea1i, \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u c\u1ee7a \u0111\u1ea1i \u0111a s\u1ed1 ng\u01b0\u1eddi nghe, v\u00e0 th\u01b0\u1eddng l\u00e0 ch\u1ea5t \u00e2m \u0111\u01b0\u1ee3c ng\u1ee3i ca nhi\u1ec1u nh\u1ea5t b\u1edfi c\u00e1c chuy\u00ean gia \u00e2m thanh c\u0169ng nh\u01b0 c\u00e1c trong c\u00e1c t\u1ea1p ch\u00ed chuy\u00ean v\u1ec1 \u00e2m thanh hi-fi, hi-end.<\/span><\/p>\n

\u01afu \u0111i\u1ec3m<\/strong>\u00a0Ch\u1ea5t \u00e2m n\u00e0y n\u1ed5i b\u1eadt v\u1edbi \u0111\u1eb7c t\u00ednh m\u1ec1m m\u1ea1i v\u00e0 c\u00e2n b\u1eb1ng tr\u00ean to\u00e0n b\u1ed9 d\u1ea3i t\u1ea7n, kh\u00f4ng c\u00f3 c\u1ea3m gi\u00e1c ch\u00f3i g\u1eaft hay kh\u00f4 c\u1ee9ng c\u1ee7a nh\u00f3m \u00e2m ch\u00ednh x\u00e1c n\u00f3i tr\u00ean. Ti\u1ebfng bass m\u1ea1nh nh\u01b0ng v\u1eabn c\u00f3 \u0111\u1ed9 \u00eam, d\u1ea3i trung m\u01b0\u1ee3t v\u00e0 ti\u1ebfng treble r\u1ef1c r\u1ee1, l\u00e0m tho\u1ea3 m\u00e3n h\u1ea7u h\u1ebft m\u1ecdi ng\u01b0\u1eddi nghe.<\/span><\/p>\n

Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/strong>\u00a0Nh\u1eefng ai kh\u00f4ng th\u00edch ch\u1ea5t \u00e2m Tinh t\u1ebf th\u01b0\u1eddng cho r\u1eb1ng \u00e2m thanh c\u1ee7a loa v\u00e0 thi\u1ebft b\u1ecb kh\u00f3 c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p sao cho ph\u00f9 h\u1ee3p v\u1edbi m\u1ecdi ng\u01b0\u1eddi nghe. C\u00f3 th\u1ec3 ampli v\u00e0 \u0111\u1ea7u \u0111\u0129a \u0111\u00e3 c\u00f3 \u0111\u1ee7 bass v\u00e0 dynamic r\u1ed3i, nh\u01b0ng \u0111\u01b0a th\u00eam c\u1eb7p loa c\u0169ng th\u1ed9c nh\u00f3m n\u00e0y v\u00e0o c\u00f3 th\u1ec3 l\u00e0m \u00e2m thanh tr\u1edf n\u00ean l\u1ea1 th\u01b0\u1eddng v\u00e0 kh\u00f3 nghe. \u0110a ph\u1ea7n nh\u1eefng ng\u01b0\u1eddi th\u00edch ch\u1ea5t \u00e2m n\u00e0y th\u01b0\u1eddng nghe nh\u1ea1c jazz v\u00e0 c\u1ed5 \u0111i\u1ec3n, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 th\u00ednh gi\u1ea3 c\u1ee7a pop, rock hay hip-hop.<\/span><\/p>\n

CH\u1ea4T \u00c2M GI\u00c0U C\u1ea2M X\u00daC<\/strong>\u00a0\u0110\u00e2y \u0111\u01b0\u1ee3c coi l\u00e0 c\u00e1c thi\u1ebft b\u1ecb c\u00f3 l\u1ecbch l\u00e2u \u0111\u1eddi nh\u1ea5t, nh\u01b0ng c\u0169ng t\u1ed3n t\u1ea1i v\u00e0 ph\u00e1t tri\u1ec3n b\u1ec1n b\u1ec9 nh\u1ea5t. C\u00e1c loa thu\u1ed9c nh\u00f3m ch\u1ea5t \u00e2m n\u00e0y th\u01b0\u1eddng duy nh\u1ea5t m\u1ed9t c\u1ee7 loa to\u00e0n d\u1ea3i v\u1edbi \u0111\u1ed9 nh\u1ea1y cao v\u00e0 c\u00f4ng su\u1ea5t th\u1ea5p. C\u00e1c h\u00e3ng thi\u1ebft k\u1ebf kh\u00f4ng quan t\u00e2m nhi\u1ec1u t\u1edbi \u0111\u1ed9 r\u1ed9ng v\u00e0 \u0111\u1ed9 b\u1eb1ng ph\u1eb3ng c\u1ee7a d\u1ea3i t\u1ea7n, c\u0169ng nh\u01b0 \u0111\u1ed9 m\u00e9o kh\u00e1 cao\u2026 tr\u00e1i l\u1ea1i h\u1ecd th\u01b0\u1eddng ch\u00fa \u00fd t\u1edbi ph\u1ea9m ch\u1ea5t \u00e2m thanh \u1ea5m \u00e1p v\u00e0 s\u1ed1ng \u0111\u1ed9ng, truy\u1ec1n c\u1ea3m. Th\u00eam v\u00e0o \u0111\u00f3, c\u00e1c ampli thu\u1ed9c nh\u00f3m n\u00e0y th\u01b0\u1eddng l\u00e0 lo\u1ea1i SET (Single End Triode) v\u1edbi c\u00f4ng su\u1ea5t th\u1ea5p ch\u1ec9 kho\u1ea3ng d\u01b0\u1edbi 15W, nh\u01b0ng l\u1ea1i c\u00f3 \u00e2m thanh l\u00f4i cu\u1ed1n. Nhi\u1ec1u h\u00e3ng s\u1ea3n xu\u1ea5t c\u00f3 h\u00e0ng ch\u1ee5c model ampli SET, s\u1eed d\u1ee5ng nhi\u1ec1u lo\u1ea1i \u0111\u00e8n c\u1ed5 ch\u00ed kim kh\u00e1c nhau, nh\u1eb1m t\u1ea1o ra nhi\u1ec1u m\u00e0u \u00e2m \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u c\u1ee7a nh\u1eefng ai th\u00edch ch\u1ea5t \u00e2m n\u00e0y.<\/span><\/p>\n

\u01afu \u0111i\u1ec3m<\/strong>\u00a0Nh\u1edd s\u1eed d\u1ee5ng loa to\u00e0n d\u1ea3i v\u00e0 \u0111\u00e8n \u0111i\u1ec7n t\u1eed, n\u00ean ch\u1ea5t \u00e2m thanh nh\u01b0ng l\u1ea1i tinh t\u1ebf, \u1ea5m \u00e1p v\u00e0 n\u1ed3ng n\u00e0n c\u1ea3m x\u00fac. Loa to\u00e0n d\u1ea3i c\u1ee7a Lowther hay Fostex c\u00f3 t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng c\u1ef1c nhanh nh\u1edd kh\u1ed1i l\u01b0\u1ee3ng m\u00e0ng loa v\u00e0 cu\u1ed9n d\u00e2y \u0111\u1ed9ng c\u1ef1c th\u1ea5p. Th\u00eam v\u00e0o \u0111\u00f3, loa v\u00e0 ampli thu\u1ed9c nh\u00f3m n\u00e0y h\u01b0\u1edbng m\u1ee5c ti\u00eau t\u1ed1i quan tr\u1ecdng l\u00e0 \u0111\u01b0\u1eddng \u0111i c\u1ee7a t\u00edn hi\u1ec7u ph\u1ea3i ng\u1eafn g\u1ecdn v\u00e0 trong s\u1ea1ch tuy\u1ec7t \u0111\u1ed1i, \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y, ng\u01b0\u1eddi thi\u1ebft k\u1ebf ph\u1ea3i c\u1ed1 g\u1eafng l\u00e0m \u0111\u01a1n gi\u1ea3n ho\u00e1 m\u1ea1ch \u0111i\u1ec7n v\u00e0 lo\u1ea1i b\u1ecf nh\u1eefng linh ki\u1ec7n kh\u00f4ng c\u1ea7n thi\u1ebft. Ch\u00ednh s\u1ef1 \u0111\u01a1n gi\u1ea3n c\u1ee7a m\u1ea1ch \u0111i\u1ec7n, nh\u1ea5t l\u00e0 khi d\u00f9ng \u0111\u00e8n \u0111i\u1ec7n t\u1eed kh\u00f4ng c\u00f3 h\u1ed3i ti\u1ebfp \u00e2m (zero feedback), \u0111\u00e3 \u0111em l\u1ea1i ch\u1ea5t \u00e2m c\u1ea3m x\u00fac v\u00e0 r\u1ea5t g\u1ea7n v\u1edbi nh\u1ea1c s\u1ed1ng c\u1ee7a nh\u00f3m n\u00e0y.<\/span><\/p>\n

Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/strong>\u00a0C\u00f3 th\u1ec3 th\u1ea5y r\u00f5 r\u1eb1ng ti\u1ebfng bass l\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m r\u00f5 r\u1ec7t nh\u1ea5t c\u1ee7a d\u00f2ng \u00e2m thanh n\u00e0y: Loa v\u1edbi duy nh\u1ea5t m\u1ed9t driver kh\u00f4ng th\u1ec3 n\u00e0o t\u00e1i hi\u1ec7n l\u1ea1i ti\u1ebfng bass m\u1ea1nh m\u1ebd nh\u01b0 m\u1ed9t loa c\u1ed9t l\u1edbn 3 \u0111\u1ebfn 5 \u0111\u01b0\u1eddng ti\u1ebfng v\u1edbi hai loa bass 10in. T\u01b0\u01a1ng t\u1ef1, ampli \u0111\u00e8n v\u1edbi c\u00f4ng su\u1ea5t th\u1ea5p kh\u00f3 c\u00f3 th\u1ec3 s\u00e1nh b\u1eb1ng nh\u1eefng ampli b\u00e1n d\u1eabn 200W v\u1ec1 s\u1ee9c m\u1ea1nh. C\u00f4ng su\u1ea5t th\u1ea5p, c\u00f9ng v\u1edbi \u0111\u00e1p tuy\u1ebfn t\u1ea7n s\u1ed1 thi\u1ebfu c\u00e2n b\u1eb1ng, nhi\u1ec1u ng\u01b0\u1eddi kh\u00f4ng th\u00edch nh\u1eefng g\u00ec m\u00e0 nh\u00f3m ch\u1ea5t \u00e2m n\u00e0y \u0111em l\u1ea1i. Nh\u01b0ng ng\u01b0\u1ee3c l\u1ea1i, c\u0169ng c\u00f3 m\u1ed9t s\u1ed1 kh\u00f4ng nh\u1ecf ng\u01b0\u1eddi nghe ng\u1ee3i ca c\u1ea3m x\u00fac nh\u01b0 th\u1eadt m\u00e0 d\u00f2ng \u00e2m thanh n\u00e0y mang l\u1ea1i cho h\u1ecd.<\/span><\/p>\n

C\u00e1c th\u01b0\u01a1ng hi\u1ec7u n\u1ed5i b\u1eadt<\/strong>\u00a0V\u1ec1 loa, c\u00f3 m\u1ed9t s\u1ed1 h\u00e3ng l\u1edbn nh\u01b0 Cain& Cain, Omega, Rethm v\u00e0 Beauhorn t\u1eadp trung thu\u1ea7n tu\u00fd v\u00e0o ch\u1ea5t \u00e2m n\u00e0y, trong khi m\u1ed9t s\u1ed1 h\u00e3ng kh\u00e1c chuy\u00ean s\u1ea3n xu\u1ea5t driver nh\u01b0 Fostex, Lowther, Supravox, PHY-HP, AER v\u00e0 Hartley. C\u00f2n v\u1ec1 ampli, c\u00f3 nhi\u1ec1u h\u00e3ng chuy\u00ean s\u1ea3n xu\u1ea5t ampli d\u00f9ng \u0111\u00e8n 300B, 211 hay 2A3, nh\u01b0 Audio Note Kondo, Audio Note UK, Art Audio, Cary, Air Tight, Shindo v\u00e0 KRAudio\u2026 Ngo\u00e0i ra c\u00f2n c\u00f3 kh\u00e1 nhi\u1ec1u h\u00e3ng nh\u1ecf h\u01a1n hay ch\u1ebf t\u1ea1o ampli SET hand-made. Ph\u1ea7n l\u1edbn nh\u1eefng s\u1ea3n ph\u1ea9m ampli t\u1ef1 r\u00e1p (DIY) c\u0169ng thu\u1ed9c nh\u00f3m \u00e2m thanh n\u00e0y.<\/span><\/p>\n

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CH\u1ea4T \u00c2M R\u1ef0C R\u1ee0<\/strong>\u00a0K\u1ebft h\u1ee3p \u0111\u1eb7c t\u00ednh c\u1ee7a hai nh\u00f3m ch\u00ednh x\u00e1c v\u00e0 gi\u00e0u c\u1ea3m x\u00fac, ch\u1ea5t \u00e2m r\u1ef1c r\u1edf c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m l\u00e0 \u00e2m thanh h\u01a1i\u201dh\u01b0\u1edbng\u201d v\u1ec1 ph\u00eda tr\u01b0\u1edbc v\u00e0 gi\u00e0u chi ti\u1ebft nh\u01b0ng c\u0169ng v\u1eabn n\u1ed3ng \u1ea5m v\u00e0 ng\u1ecdt ng\u00e0o. \u0110\u00e2y l\u00e0 m\u1ed9t ch\u1ea5t \u00e2m \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi y\u00eau th\u00edch, \u00e2m thanh \u0111\u1eb7c bi\u1ec7t s\u1ed1ng \u0111\u1ed9ng v\u1edbi d\u1ea3i trung \u0111\u1ea7y \u0111\u1eb7n, v\u00e0 ti\u1ebfng bass l\u1edbn, tuy \u0111\u00e1p tuy\u1ebfn kh\u00f4ng ho\u00e0n to\u00e0n ph\u1eb3ng. Nhi\u1ec1u ampli \u0111\u1ebfn t\u1eeb nh\u1eefng nh\u00e0 s\u1ea3n xu\u1ea5t nh\u01b0 Bel Canto, B&O (c\u00f9ng c\u00e1c ampli ICEpower kh\u00e1c), Hypex, Tripath v\u00e0 chip-amps, n\u00f3i chung c\u00f3 \u00e2m thanh ch\u00ednh x\u00e1c nh\u01b0ng l\u1ea1i v\u1eabn c\u00f3 \u0111\u01b0\u1ee3c s\u1ef1 ng\u1ecdt ng\u00e0o m\u01b0\u1ee3t m\u00e0 gi\u00e0u c\u1ea3m x\u00fac. C\u00e1c th\u01b0\u01a1ng hi\u1ec7u nh\u01b0 E.A.R v\u00e0 Manley Labs cho ra \u0111\u1eddi nh\u1eefng ampli \u0111\u00e8n \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c c\u1ea3 hai th\u1ecb tr\u01b0\u1eddng pro v\u00e0 home. C\u00f2n v\u1ec1 loa, c\u00e1c h\u00e3ng loa nh\u01b0 Joesph Audio v\u00e0 Tetra c\u1ee7a Hoa K\u00ec hay Linn, Harbeth, ProAc, Spendor\u2026 c\u1ee7a Anh, \u0111\u1ec1u thu\u1ed9c nh\u00f3m n\u00e0y, v\u00e0 ch\u1ea5t \u00e2m r\u1ef1c r\u1ee1 l\u00e0 \u0111\u1eb7c tr\u01b0ng c\u00f3 th\u1ec3 nh\u1eadn th\u1ea5y nhanh ch\u00f3ng c\u1ee7a h\u1ecd.<\/span><\/p>\n

CH\u1ea4T \u00c2M M\u01af\u1ee2T M\u00c0<\/strong>\u00a0Kh\u00e1c v\u1edbi ch\u1ea5t \u00e2m r\u1ef1c r\u1ee1, nh\u00f3m m\u01b0\u1ee3t m\u00e0 ch\u1ecdn con \u0111\u01b0\u1eddng tinh t\u1ebf ho\u00e1 nh\u00f3m ch\u1ea5t \u00e2m gi\u00e0u c\u1ea3m x\u00fac. M\u1ed9t s\u1ed1 th\u01b0\u01a1ng hi\u1ec7u loa m\u1edbi n\u1ed5i nh\u01b0 Zu v\u00e0 DeVore ti\u1ebfp t\u1ee5c duy tr\u00ec \u0111\u01b0\u1ee3c \u0111\u1eb7c tr\u01b0ng \u0111\u01a1n gi\u1ea3n nh\u01b0ng hi\u1ec7u qu\u1ea3 c\u1ee7a ch\u1ea5t \u00e2m gi\u00e0u c\u1ea3m x\u00fac, nh\u01b0ng b\u1ed5 sung th\u00eam th\u00f9ng loa \u0111\u1ed9c \u0111\u00e1o v\u00e0 \u00e1p d\u1ee5ng nh\u1eefng c\u00f4ng ngh\u1ec7 loa con (driver) ti\u00ean ti\u1ebfn \u0111\u1ec3 c\u1ea3i thi\u1ec7n ch\u1ea5t \u00e2m to\u00e0n d\u1ea3i v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 \u0111\u1ed9ng t\u1ed1t. Ti\u1ebfng bass v\u00e0 treble \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng h\u01a1n, ti\u1ebfng trung kh\u00f4ng b\u1ecb \u0111\u1ea9y qu\u00e1 h\u01b0\u1edbng v\u1ec1 ph\u00eda tr\u01b0\u1edbc m\u00e0 c\u00f3 gi\u1edbi h\u1ea1n v\u00e0 d\u1ec5 ki\u1ec3m so\u00e1t h\u01a1n. Nhi\u1ec1u ampli \u0111\u00e8n \u0111\u1ea9y k\u00e9o thu\u1ed9c v\u1ec1 nh\u00f3m n\u00e0y: Cary, Shindo, Air Tight, Rogue, Zanden,v.v. Ch\u00fang \u0111\u1ec1u mang trong m\u00ecnh ch\u1ea5t \u00e2m n\u1ed3ng \u1ea5m c\u1ee7a ampli \u0111\u00e8n, nh\u01b0ng kh\u00f4ng quan t\u00e2m nhi\u1ec1u t\u1edbi \u0111\u1ed9 chi ti\u1ebft cao, thay v\u00e0o \u0111\u00f3 l\u00e0 c\u1ea3m gi\u00e1c m\u01b0\u1ee3t m\u00e0 d\u1ec5 nghe. M\u1ed9t s\u1ed1 ampli b\u00e1n d\u1eabn ti\u1ebfng \u00eam nh\u01b0 c\u1ee7a Accuph\u00e1e hay M\u1ea9ntz c\u0169ng c\u00f3 th\u1ec3 x\u1ebfp v\u00e0o nh\u00f3m ch\u1ea5t \u00e2m n\u00e0y.<\/span><\/p>\n

CH\u1ea4T \u00c2M M\u1ea0NH M\u1ebc<\/strong>\u00a0Th\u1ecb tr\u01b0\u1eddng ch\u1ee7 y\u1ebfu c\u1ee7a nh\u00f3m n\u00e0y l\u00e0 B\u1eafc \u00c2u. \u0110\u00e1p tuy\u1ebfn t\u1ea7n s\u1ed1 c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb trong nh\u00f3m n\u00e0y kh\u00e1 ph\u1eb3ng, nh\u01b0ng thay cho \u00e2m thanh \u1ea5m \u00e1p n\u1ed3ng l\u00e0 c\u1ea3m gi\u00e1c \u1ea5n t\u01b0\u1ee3ng, ph\u1ed1i h\u1ee3p \u0111\u01b0\u1ee3c c\u1ea3 s\u1ef1 ch\u00ednh x\u00e1c l\u1eabn tinh t\u1ebf, \u0111\u1ed3ng th\u1eddi l\u1ea1i c\u00f3 th\u1ec3 t\u1ea1o ra kh\u00f4ng gian l\u1edbn, m\u1ea1nh m\u1ebd v\u1ec1 l\u1ef1c. Ba h\u00e3ng s\u1ea3n xu\u1ea5t loa con (driver)ch\u00ednh c\u1ee7a ch\u1ea5t \u00e2m n\u00e0y l\u00e0 Dynaudio, Scan Speak, v\u00e0 g\u1ea7n \u0111\u00e2y l\u00e0 Audio Technology (\u0111\u1ec1u c\u1ee7a \u0110an M\u1ea1ch). Nh\u1eefng th\u01b0\u01a1ng hi\u1ec7u th\u00e0nh ph\u1ea9m loa ho\u00e0n ch\u1ec9nh \u0111\u00e1ng k\u1ec3 bao g\u1ed3m Dynaudio Speakers, Peak Consult, Audio Ph\u00fd\u00edc, GamuT, c\u00f9ng nh\u1eefng h\u00e3ng nh\u1ecf h\u01a1n nh\u01b0 Kharma, MBL, Dali, Marten Design, Canton\u2026, v\u00e0 nhi\u1ec1u h\u00e3ng kh\u00e1c s\u1eed d\u1ee5ng driver c\u1ee7a 3 h\u00e3ng loa tr\u00ean. Do thi\u1ebft k\u1ebf th\u00f9ng, ph\u00e2n t\u1ea7n kh\u00e1c nhau, m\u1ed7i h\u00e0ng \u0111\u1ec1u c\u00f3 \u0111\u1eb7c tr\u01b0ng \u00e2m thanh c\u1ee7a ri\u00eang m\u00ecnh, nh\u01b0ng \u0111\u1ec1u \u0111\u00f3ng g\u00f3p v\u00e0o s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a th\u1ecb tr\u01b0\u1eddng ch\u1ea5t \u00e2m m\u1ea1nh m\u1ebd.<\/span><\/p>\n

Ng\u01b0\u1ee3c lai, c\u00f3 nhi\u1ec1u ampli hay loa c\u00f3 ch\u1ea5t \u00e2m kh\u00f4ng d\u1ec5 nh\u1eadn ra, v\u00ec v\u1eady vi\u1ec7c thay \u0111\u1ed5i preamp s\u1ebd khi\u1ebfn \u00e2m thanh c\u1ee7a to\u00e0n h\u1ec7 th\u1ed1ng c\u0169ng d\u1ec5 d\u00e0ng thay \u0111\u1ed5i theo. T\u00f3m l\u1ea1i, kh\u00f4ng h\u1ec1 c\u00f3 s\u1ef1 tuy\u1ec7t \u0111\u1ed1i trong th\u1ebf gi\u1edbi \u00e2m nh\u1ea1c \u2013 kh\u00f4ng c\u00f3 thi\u1ebft b\u1ecb n\u00e0o l\u00e0 ho\u00e0n h\u1ea3o ho\u1eb7c hay nh\u1ea5t c\u1ea3, c\u0169ng kh\u00f4ng c\u00f3 ch\u1ea5t \u00e2m n\u00e0o v\u01b0\u1ee3t tr\u1ed9i c\u1ea3. T\u1ea5t c\u1ea3 tu\u1ef3 thu\u1ed9c v\u00e0o s\u1edf th\u00edch , ph\u00f2ng nghe, c\u00e1ch b\u1ed1 tr\u00ed h\u1ec7 th\u1ed1ng v\u00e0 nhi\u1ec1u y\u1ebfu t\u1ed1 c\u1ea3 ch\u1ee7 quan l\u1eabn kh\u00e1ch quan kh\u00e1c. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 b\u1ea1n ph\u1ea3i d\u00e0nh th\u1eddi gian th\u1eed nghi\u1ec7m \u0111\u1ec3 t\u00ecm ra con \u0111\u01b0\u1eddng th\u00edch h\u1ee3p nh\u1ea5t cho m\u00ecnh, kh\u00f4ng ph\u1ea3i l\u00e0 con \u0111\u01b0\u1eddng t\u1ed1t nh\u1ea5t b\u1edfi kh\u00f4ng c\u00f3 g\u00ec l\u00e0 t\u1ed1t nh\u1ea5t c\u1ea3.<\/span><\/p>\n

T\u00f3m l\u1ea1i.<\/strong><\/span><\/p>\n

\u0110I T\u00ccMCH\u1ea4T \u00c2M MONG MU\u1ed0N<\/strong>\u00a0Khi b\u1eaft tay v\u00e0o vi\u1ec7c t\u1ea1o n\u00ean m\u1ed9t h\u1ec7 th\u1ed1ng \u00e2m thanh m\u1edbi, c\u00e1ch ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 ch\u1ecdn c\u00e1c thi\u1ebft b\u1ecb c\u00f3 ch\u1ea5t \u00e2m c\u00f9ng thu\u1ed9c nh\u00f3m. V\u00ed d\u1ee5 ampli mang ch\u1ea5t \u00e2m gi\u00e0u c\u1ea3m x\u00fac n\u00ean \u0111i c\u00f9ng loa c\u00f3 c\u00f9ng ch\u1ea5t \u00e2m. M\u1eb7t kh\u00e1c, ch\u1eb3ng h\u1ea1n n\u1ebfu b\u1ea1n k\u1ebft h\u1ee3p loa c\u00f3 ch\u1ea5t \u00e2m ch\u00ednh x\u00e1c v\u1edbi ampli c\u00f3 ch\u1ea5t \u00e2m gi\u00e0u c\u1ea3m x\u00fac, k\u1ebft qu\u1ea3 \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u01b0\u1eddng s\u1ebd l\u00e0 trung gian \u2013 m\u1ed9t h\u1ec7 th\u1ed1ng v\u1edbi ch\u1ea5t \u00e2m r\u1ef1c r\u1ee1. D\u0129 nhi\u00ean kh\u00f4ng ph\u1ea3i bao gi\u1edd c\u0169ng v\u1eady. Nhi\u1ec1u loa hay ampli c\u00f3 \u0111\u1eb7c tr\u01b0ng \u00e2m thanh qu\u00e1 m\u1ea1nh, t\u1edbi m\u1ee9c ch\u00fang tr\u1edf n\u00ean \u00e1p \u0111\u1ea3o nh\u1eefng \u00e2m thanh c\u00f2n l\u1ea1i. M\u1ed9t \u0111\u00f4i loa tinh t\u1ebf c\u00f3 th\u1ec3 khi\u1ebfn h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n lu\u00f4n c\u00f3 ch\u1ea5t \u00e2m \u0111\u00f3, b\u1ea5t k\u1ec3 b\u1ea1n d\u00f9ng ampli c\u00f3 ch\u1ea5t \u00e2m th\u1ebf n\u00e0o \u0111i n\u1eefa.<\/span><\/p>\n

B\u00e0i vi\u1ebft \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p t\u1eeb ngu\u1ed3n internet m\u1ecdi \u0111\u00f3ng g\u00f3p xin \u0111\u01b0\u1ee3c \u0111\u1ec3 l\u1ea1i ph\u00eda d\u01b0\u1edbi b\u00ecnh lu\u1eadn. Xin c\u1ea3m \u01a1n c\u00e1c b\u1ea1n \u0111\u1ecdc.<\/strong><\/span><\/p>\n<\/div>\n