{"id":459060,"date":"2025-05-24T20:58:30","date_gmt":"2025-05-24T13:58:30","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=459060"},"modified":"2025-05-24T20:58:30","modified_gmt":"2025-05-24T13:58:30","slug":"loa-tram","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/loa-tram\/","title":{"rendered":"Loa tr\u1ea7m (loa sub) l\u00e0 g\u00ec? C\u00e1ch ch\u1ecdn mua v\u00e0 l\u1eafp \u0111\u1eb7t loa sub chu\u1ea9n nh\u1ea5t"},"content":{"rendered":"

Khi tr\u1ea3i nghi\u1ec7m \u00e2m thanh s\u1ed1ng \u0111\u1ed9ng, nhi\u1ec1u ng\u01b0\u1eddi th\u01b0\u1eddng b\u1ecf qua vai tr\u00f2 c\u1ee7a loa tr\u1ea7m (loa sub).<\/b><\/strong>\u00a0\u0110\u00e2y l\u00e0 thi\u1ebft b\u1ecb chuy\u00ean x\u1eed l\u00fd d\u1ea3i \u00e2m tr\u1ea7m, gi\u00fap \u00e2m thanh th\u00eam s\u00e2u l\u1eafng v\u00e0 m\u1ea1nh m\u1ebd. Tr\u01b0\u1edbc khi ch\u1ecdn mua hay l\u1eafp \u0111\u1eb7t, b\u1ea1n c\u1ea7n hi\u1ec3u r\u00f5 loa sub l\u00e0 g\u00ec, ho\u1ea1t \u0111\u1ed9ng ra sao v\u00e0 \u0111\u00e2u l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c ch\u1ea5t \u00e2m \u1ea5n t\u01b0\u1ee3ng. B\u00e0i vi\u1ebft sau s\u1ebd gi\u00fap b\u1ea1n kh\u00e1m ph\u00e1 chi ti\u1ebft v\u1ec1 loa sub v\u00e0 c\u00e1ch thi\u1ebft l\u1eadp ph\u00f9 h\u1ee3p cho kh\u00f4ng gian nghe nh\u1ea1c ho\u1eb7c xem phim t\u1ea1i nh\u00e0.<\/p>\n

Loa tr\u1ea7m (loa sub) l\u00e0 g\u00ec?<\/h2>\n

Loa tr\u1ea7m, hay c\u00f2n g\u1ecdi l\u00e0 loa sub, l\u00e0 thi\u1ebft b\u1ecb \u00e2m thanh chuy\u00ean x\u1eed l\u00fd nh\u1eefng d\u1ea3i t\u1ea7n s\u1ed1 th\u1ea5p, th\u01b0\u1eddng dao \u0111\u1ed9ng trong kho\u1ea3ng t\u1eeb 20 \u0111\u1ebfn 200Hz. \u0110\u00e2y l\u00e0 lo\u1ea1i \u00e2m thanh m\u00e0 tai ng\u01b0\u1eddi c\u1ea3m nh\u1eadn nhi\u1ec1u h\u01a1n l\u00e0 nghe r\u00f5, th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n trong ti\u1ebfng tr\u1ed1ng, ti\u1ebfng \u0111\u1ed9ng rung hay hi\u1ec7u \u1ee9ng \u00e2m thanh m\u1ea1nh trong phim. V\u00ec v\u1eady, loa sub \u0111\u00f3ng vai tr\u00f2 l\u00e0m t\u0103ng \u0111\u1ed9 s\u00e2u v\u00e0 s\u1ee9c n\u1eb7ng cho \u00e2m thanh t\u1ed5ng th\u1ec3.<\/p>\n

\"loa-tram\"<\/picture><\/p>\n

V\u1ec1 c\u1ea5u t\u1ea1o, loa sub th\u01b0\u1eddng g\u1ed3m ba ph\u1ea7n ch\u00ednh l\u00e0 th\u00f9ng loa, l\u00f5i loa v\u00e0 h\u1ec7 th\u1ed1ng d\u00e2y k\u1ebft n\u1ed1i. L\u00f5i loa c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf d\u1ea1ng \u0111\u01a1n ho\u1eb7c k\u1ebft h\u1ee3p nhi\u1ec1u loa nh\u1ecf b\u00ean trong, t\u1ea5t c\u1ea3 \u0111\u01b0\u1ee3c \u0111\u1eb7t trong th\u00f9ng loa l\u00e0m t\u1eeb ch\u1ea5t li\u1ec7u g\u1ed7 b\u1ec1n b\u1ec9, gi\u00fap h\u1ea1n ch\u1ebf rung l\u1eafc v\u00e0 t\u0103ng hi\u1ec7u su\u1ea5t truy\u1ec1n t\u1ea3i \u00e2m tr\u1ea7m. Thi\u1ebft k\u1ebf c\u1ee7a loa sub kh\u00e1 phong ph\u00fa, t\u1eeb ki\u1ec3u d\u00e1ng \u0111\u01a1n gi\u1ea3n d\u1ec5 ph\u1ed1i gh\u00e9p \u0111\u1ebfn nh\u1eefng m\u1eabu c\u00f3 phong c\u00e1ch hi\u1ec7n \u0111\u1ea1i ph\u00f9 h\u1ee3p kh\u00f4ng gian n\u1ed9i th\u1ea5t.<\/p>\n

Khi \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p \u0111\u00fang c\u00e1ch v\u1edbi d\u00e0n \u00e2m thanh, loa sub gi\u00fap m\u1edf r\u1ed9ng kh\u00f4ng gian \u00e2m thanh, t\u1ea1o ra hi\u1ec7u \u1ee9ng \u00e2m tr\u01b0\u1eddng r\u00f5 r\u00e0ng h\u01a1n. \u00c2m thanh tr\u1edf n\u00ean m\u01b0\u1ee3t m\u00e0, \u0111\u1ea7y \u0111\u1eb7n v\u00e0 h\u1ea1n ch\u1ebf hi\u1ec7n t\u01b0\u1ee3ng ti\u1ebfng n\u1eb7ng g\u00e2y kh\u00f3 ch\u1ecbu. Nh\u1edd \u0111\u00f3, tr\u1ea3i nghi\u1ec7m nghe nh\u1ea1c hay xem phim t\u1ea1i nh\u00e0 s\u1ebd tr\u1edf n\u00ean s\u1ed1ng \u0111\u1ed9ng v\u00e0 ch\u00e2n th\u1eadt h\u01a1n r\u1ea5t nhi\u1ec1u.<\/p>\n

C\u1ea5u t\u1ea1o c\u1ee7a loa tr\u1ea7m<\/h2>\n

Loa sub c\u00f3 c\u1ea5u t\u1ea1o \u0111\u01a1n gi\u1ea3n nh\u01b0ng \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u \u0111\u1ec3 x\u1eed l\u00fd d\u1ea3i \u00e2m t\u1ea7n th\u1ea5p m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. Th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a m\u1ed9t chi\u1ebfc loa sub bao g\u1ed3m ba b\u1ed9 ph\u1eadn: c\u1ee7 loa, th\u00f9ng loa v\u00e0 h\u1ec7 th\u1ed1ng k\u1ebft n\u1ed1i.<\/p>\n

Ph\u1ea7n quan tr\u1ecdng nh\u1ea5t l\u00e0 c\u1ee7 loa<\/b><\/strong>, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 driver. \u0110\u00e2y l\u00e0 n\u01a1i t\u1ea1o ra \u00e2m thanh b\u1eb1ng c\u00e1ch rung m\u00e0ng loa \u0111\u1ec3 ph\u00e1t ra s\u00f3ng \u00e2m. M\u00e0ng loa c\u1ee7a loa sub th\u01b0\u1eddng c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn, \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb v\u1eadt li\u1ec7u nh\u1eb9 nh\u01b0ng ch\u1eafc ch\u1eafn nh\u01b0 gi\u1ea5y \u00e9p, polypropylene ho\u1eb7c s\u1ee3i carbon, gi\u00fap t\u00e1i t\u1ea1o \u00e2m tr\u1ea7m r\u00f5 r\u00e0ng v\u00e0 m\u1ea1nh m\u1ebd.<\/p>\n

\"loa-tram-1\"<\/picture><\/p>\n

Ti\u1ebfp theo l\u00e0 th\u00f9ng loa<\/b><\/strong>, ph\u1ea7n v\u1ecf bao b\u1ecdc b\u00ean ngo\u00e0i, gi\u1eef vai tr\u00f2 gi\u1ea3m rung v\u00e0 c\u1ed9ng h\u01b0\u1edfng \u00e2m thanh. Ch\u1ea5t li\u1ec7u l\u00e0m th\u00f9ng loa th\u01b0\u1eddng l\u00e0 g\u1ed7 MDF ho\u1eb7c g\u1ed7 \u00e9p cao c\u1ea5p, v\u00ec c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c t\u1ed1t v\u00e0 \u00edt b\u1ecb bi\u1ebfn d\u1ea1ng khi \u00e2m thanh \u1edf m\u1ee9c l\u1edbn. Ngo\u00e0i ra, thi\u1ebft k\u1ebf th\u00f9ng loa c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng \u00e2m bass, v\u1edbi hai ki\u1ec3u ph\u1ed5 bi\u1ebfn l\u00e0 th\u00f9ng k\u00edn (sealed box) v\u00e0 th\u00f9ng c\u00f3 l\u1ed7 tho\u00e1t h\u01a1i (bass reflex).<\/p>\n

Cu\u1ed1i c\u00f9ng l\u00e0 h\u1ec7 th\u1ed1ng k\u1ebft n\u1ed1i<\/b><\/strong>, bao g\u1ed3m c\u1ed5ng t\u00edn hi\u1ec7u v\u00e0 d\u00e2y ngu\u1ed3n (n\u1ebfu l\u00e0 loa sub \u0111i\u1ec7n). M\u1ed9t s\u1ed1 m\u1eabu c\u00f2n t\u00edch h\u1ee3p b\u1ed9 khu\u1ebfch \u0111\u1ea1i \u00e2m thanh b\u00ean trong, gi\u00fap ng\u01b0\u1eddi d\u00f9ng d\u1ec5 d\u00e0ng k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 ampli, \u0111\u1ea7u ph\u00e1t hay tivi.<\/p>\n

C\u00f4ng d\u1ee5ng c\u1ee7a loa si\u00eau tr\u1ea7m<\/h2>\n

Loa si\u00eau tr\u1ea7m l\u00e0 thi\u1ebft b\u1ecb \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c ho\u00e0n thi\u1ec7n tr\u1ea3i nghi\u1ec7m \u00e2m thanh, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c h\u1ec7 th\u1ed1ng r\u1ea1p h\u00e1t t\u1ea1i gia, s\u00e2n kh\u1ea5u bi\u1ec3u di\u1ec5n hay d\u00e0n karaoke. V\u1edbi kh\u1ea3 n\u0103ng t\u00e1i t\u1ea1o \u00e2m tr\u1ea7m hi\u1ec7u qu\u1ea3, loa gi\u00fap \u00e2m thanh tr\u1edf n\u00ean \u0111\u1ea7y \u0111\u1eb7n, s\u1ed1ng \u0111\u1ed9ng v\u00e0 g\u1ea7n v\u1edbi th\u1ef1c t\u1ebf h\u01a1n. Khi k\u1ebft h\u1ee3p c\u00f9ng c\u00e1c k\u00eanh \u00e2m thanh nh\u01b0 k\u00eanh trung t\u00e2m hay k\u00eanh hi\u1ec7u \u1ee9ng, loa tr\u1ea7m<\/b><\/strong>\u00a0g\u00f3p ph\u1ea7n m\u1edf r\u1ed9ng kh\u00f4ng gian \u00e2m thanh, t\u1ea1o chi\u1ec1u s\u00e2u r\u00f5 r\u1ec7t cho t\u1eebng b\u1ea3n nh\u1ea1c hay \u0111o\u1ea1n phim.<\/p>\n

\"loa-tram-2\"<\/picture><\/p>\n

Trong qu\u00e1 tr\u00ecnh ph\u00e1t nh\u1ea1c, \u00e2m bass l\u00e0 y\u1ebfu t\u1ed1 th\u01b0\u1eddng t\u1ea1o n\u00ean c\u1ea3m x\u00fac m\u1ea1nh m\u1ebd. Nh\u1edd v\u00e0o d\u1ea3i t\u1ea7n s\u1ed1 th\u1ea5p t\u1eeb 20Hz \u0111\u1ebfn 200Hz, loa si\u00eau tr\u1ea7m gi\u00fap ti\u1ebfng bass tr\u1edf n\u00ean s\u00e2u, \u1ea5m v\u00e0 tr\u00f2n h\u01a1n. \u0110i\u1ec1u n\u00e0y l\u00e0m cho \u00e2m thanh tr\u1edf n\u00ean c\u00f3 l\u1ef1c, uy\u1ec3n chuy\u1ec3n v\u00e0 ch\u00e2n th\u1eadt. Micro khi k\u1ebft h\u1ee3p v\u1edbi loa sub c\u0169ng tr\u1edf n\u00ean nh\u1ea1y h\u01a1n, cho ch\u1ea5t gi\u1ecdng r\u00f5 n\u00e9t v\u00e0 d\u1ec5 ch\u1ecbu h\u01a1n khi s\u1eed d\u1ee5ng trong karaoke hay thuy\u1ebft tr\u00ecnh.<\/p>\n

Ngo\u00e0i ra, loa sub c\u00f2n gi\u00fap gi\u1ea3m t\u1ea3i cho c\u00e1c loa kh\u00e1c trong h\u1ec7 th\u1ed1ng b\u1eb1ng c\u00e1ch \u0111\u1ea3m nh\u1eadn to\u00e0n b\u1ed9 \u00e2m tr\u1ea7m. Nh\u1edd \u0111\u00f3, d\u00e0n \u00e2m thanh ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 v\u00e0 b\u1ec1n b\u1ec9 h\u01a1n. V\u1edbi nh\u1eefng ai y\u00eau th\u00edch \u00e2m nh\u1ea1c ho\u1eb7c mong mu\u1ed1n tr\u1ea3i nghi\u1ec7m gi\u1ea3i tr\u00ed tr\u1ecdn v\u1eb9n, loa si\u00eau tr\u1ea7m ch\u00ednh l\u00e0 l\u1ef1a ch\u1ecdn n\u00ean c\u00e2n nh\u1eafc \u0111\u1ea7u ti\u00ean khi n\u00e2ng c\u1ea5p h\u1ec7 th\u1ed1ng \u00e2m thanh.<\/p>\n

C\u00e1c lo\u1ea1i loa tr\u1ea7m (loa sub) th\u00f4ng d\u1ee5ng hi\u1ec7n nay<\/h2>\n

D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch ph\u00e2n lo\u1ea1i c\u00e1c lo\u1ea1i loa sub ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay m\u00e0 b\u1ea1n n\u00ean bi\u1ebft:<\/p>\n

D\u1ef1a theo c\u00f4ng su\u1ea5t loa<\/h3>\n

D\u1ef1a theo c\u00f4ng su\u1ea5t, loa si\u00eau tr\u1ea7m \u0111\u01b0\u1ee3c chia th\u00e0nh hai lo\u1ea1i ch\u00ednh l\u00e0 loa sub ch\u1ee7 \u0111\u1ed9ng v\u00e0 loa sub b\u1ecb \u0111\u1ed9ng. M\u1ed7i lo\u1ea1i \u0111\u1ec1u c\u00f3 nh\u1eefng \u0111i\u1ec3m ri\u00eang ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng nhu c\u1ea7u s\u1eed d\u1ee5ng kh\u00e1c nhau.<\/p>\n

Loa sub ch\u1ee7 \u0111\u1ed9ng (sub \u0111i\u1ec7n)<\/b><\/strong><\/p>\n

Loa sub ch\u1ee7 \u0111\u1ed9ng, hay c\u00f2n g\u1ecdi l\u00e0 loa sub \u0111i\u1ec7n, l\u00e0 lo\u1ea1i \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p s\u1eb5n amply b\u00ean trong. \u0110i\u1ec1u n\u00e0y gi\u00fap ng\u01b0\u1eddi d\u00f9ng d\u1ec5 d\u00e0ng l\u1eafp \u0111\u1eb7t v\u00e0 s\u1eed d\u1ee5ng m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ebfn thi\u1ebft b\u1ecb khu\u1ebfch \u0111\u1ea1i r\u1eddi. B\u1ea1n ch\u1ec9 c\u1ea7n k\u1ebft n\u1ed1i ngu\u1ed3n \u0111i\u1ec7n v\u00e0 t\u00edn hi\u1ec7u \u00e2m thanh \u0111\u1ea7u v\u00e0o l\u00e0 loa c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng.<\/p>\n

\"loa-tram-20\"<\/picture><\/p>\n

Loa sub \u0111i\u1ec7n th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong d\u00e0n \u00e2m thanh gia \u0111\u00ecnh, v\u00ec mang \u0111\u1ebfn s\u1ef1 ti\u1ec7n l\u1ee3i v\u00e0 kh\u1ea3 n\u0103ng t\u00e1i t\u1ea1o \u00e2m tr\u1ea7m r\u00f5 n\u00e9t m\u00e0 kh\u00f4ng y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt l\u1eafp \u0111\u1eb7t ph\u1ee9c t\u1ea1p. M\u1ed9t s\u1ed1 d\u00f2ng c\u00f2n h\u1ed7 tr\u1ee3 k\u1ebft n\u1ed1i kh\u00f4ng d\u00e2y, gi\u00fap ti\u1ebft ki\u1ec7m kh\u00f4ng gian v\u00e0 gi\u1ea3m b\u1edbt d\u00e2y c\u00e1p.<\/p>\n

Loa tr\u1ea7m b\u1ecb \u0111\u1ed9ng – sub h\u01a1i<\/b><\/strong><\/p>\n

Trong khi \u0111\u00f3, loa sub b\u1ecb \u0111\u1ed9ng, hay c\u00f2n g\u1ecdi l\u00e0 loa sub h\u01a1i, l\u1ea1i kh\u00f4ng c\u00f3 s\u1eb5n m\u1ea1ch c\u00f4ng su\u1ea5t b\u00ean trong. Mu\u1ed1n s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c, b\u1ea1n c\u1ea7n trang b\u1ecb th\u00eam m\u1ed9t amply ho\u1eb7c b\u1ed9 khu\u1ebfch \u0111\u1ea1i r\u1eddi ph\u00f9 h\u1ee3p. Lo\u1ea1i loa n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng trong c\u00e1c h\u1ec7 th\u1ed1ng \u00e2m thanh chuy\u00ean nghi\u1ec7p ho\u1eb7c s\u00e2n kh\u1ea5u, n\u01a1i c\u1ea7n ki\u1ec3m so\u00e1t \u00e2m l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u su\u1ea5t m\u1ea1nh m\u1ebd h\u01a1n.<\/p>\n

\"loa-tram-4\"<\/picture><\/p>\n

Tuy vi\u1ec7c l\u1eafp \u0111\u1eb7t c\u00f3 ph\u1ea7n ph\u1ee9c t\u1ea1p h\u01a1n nh\u01b0ng loa sub h\u01a1i mang l\u1ea1i kh\u1ea3 n\u0103ng tu\u1ef3 ch\u1ec9nh linh ho\u1ea1t, ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng ai c\u00f3 kinh nghi\u1ec7m v\u00e0 y\u00eau c\u1ea7u ch\u1ea5t \u00e2m cao.<\/p>\n

D\u1ef1a theo thi\u1ebft k\u1ebf<\/h3>\n

D\u1ef1a theo thi\u1ebft k\u1ebf, loa tr\u1ea7m<\/b><\/strong>\u00a0\u0111\u01b0\u1ee3c chia th\u00e0nh ba lo\u1ea1i ph\u1ed5 bi\u1ebfn g\u1ed3m loa sub \u0111\u1eb3ng \u00e1p, loa sub c\u00f3 l\u1ed7 th\u00f4ng h\u01a1i v\u00e0 loa sub li\u1ec1n h\u1ed9p. M\u1ed7i lo\u1ea1i \u0111\u1ec1u c\u00f3 ki\u1ec3u c\u1ea5u t\u1ea1o ri\u00eang.<\/p>\n

Tr\u01b0\u1edbc ti\u00ean l\u00e0 loa sub \u0111\u1eb3ng \u00e1p<\/b><\/strong>. D\u00f2ng loa n\u00e0y n\u1ed5i b\u1eadt v\u1edbi thi\u1ebft k\u1ebf g\u1ed3m hai c\u1ee7 loa bass \u0111\u1eb7t \u0111\u1ed1i x\u1ee9ng nhau. Khi ho\u1ea1t \u0111\u1ed9ng, c\u00e1c s\u00f3ng \u00e2m t\u1eeb hai loa n\u00e0y t\u01b0\u01a1ng t\u00e1c v\u00e0 t\u1ea1o ra l\u1ef1c va \u0111\u1eadp m\u1ea1nh trong kh\u00f4ng gian h\u1eb9p, t\u1eeb \u0111\u00f3 sinh ra \u00e2m bass c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 cao. Ch\u00ednh v\u00ec th\u1ebf, loa sub \u0111\u1eb3ng \u00e1p th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn cho c\u00e1c kh\u00f4ng gian c\u1ea7n \u00e2m tr\u1ea7m d\u00e0y v\u00e0 m\u1ea1nh nh\u01b0 ph\u00f2ng karaoke hay v\u0169 tr\u01b0\u1eddng.<\/p>\n

\"loa-tram-5\"<\/picture><\/p>\n

Ti\u1ebfp theo l\u00e0 loa tr\u1ea7m c\u00f3 l\u1ed7 th\u00f4ng h\u01a1i<\/b><\/strong>. D\u00f2ng loa n\u00e0y \u0111\u01b0\u1ee3c trang b\u1ecb m\u1ed9t l\u1ed7 nh\u1ecf tr\u00ean th\u00f9ng loa \u0111\u1ec3 h\u1ed7 tr\u1ee3 vi\u1ec7c lu\u00e2n chuy\u1ec3n kh\u00f4ng kh\u00ed. Nh\u1edd c\u01a1 ch\u1ebf th\u00f4ng h\u01a1i n\u00e0y, \u00e2m bass ph\u00e1t ra s\u1ebd s\u00e2u v\u00e0 m\u1ea1nh h\u01a1n. T\u00f9y thu\u1ed9c v\u00e0o kh\u00f4ng gian l\u1eafp \u0111\u1eb7t, l\u1ed7 th\u00f4ng h\u01a1i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed \u1edf m\u1eb7t tr\u01b0\u1edbc ho\u1eb7c m\u1eb7t sau loa \u0111\u1ec3 t\u1ed1i \u01b0u hi\u1ec7u qu\u1ea3 \u00e2m thanh. Trong nh\u1eefng kh\u00f4ng gian nh\u1ecf h\u1eb9p, thi\u1ebft k\u1ebf l\u1ed7 tr\u01b0\u1edbc s\u1ebd ph\u00f9 h\u1ee3p h\u01a1n v\u00ec gi\u00fap \u00e2m thanh tho\u00e1t ra tr\u1ef1c di\u1ec7n.<\/p>\n

\"loa-tram-6\"<\/picture><\/p>\n

Cu\u1ed1i c\u00f9ng l\u00e0 loa sub li\u1ec1n h\u1ed9p<\/b><\/strong>.\u00a0\u0110\u00e2y l\u00e0 ki\u1ec3u thi\u1ebft k\u1ebf \u0111\u01a1n gi\u1ea3n v\u1edbi th\u00f9ng loa d\u1ea1ng k\u00edn, l\u00e0m t\u1eeb ch\u1ea5t li\u1ec7u kim lo\u1ea1i ch\u1eafc ch\u1eafn. Loa th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p s\u1eb5n woofer b\u00ean trong, gi\u00fap d\u1ec5 d\u00e0ng k\u1ebft n\u1ed1i v\u00e0 v\u1eadn h\u00e0nh, ph\u00f9 h\u1ee3p v\u1edbi ng\u01b0\u1eddi d\u00f9ng ph\u1ed5 th\u00f4ng.<\/p>\n

M\u1eb9o ch\u1ecdn mua loa tr\u1ea7m chu\u1ea9n, ph\u00f9 h\u1ee3p nhu c\u1ea7u<\/h2>\n

Khi ch\u1ecdn mua loa sub, b\u1ea1n c\u1ea7n c\u00e2n nh\u1eafc nhi\u1ec1u y\u1ebfu t\u1ed1 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ph\u00f9 h\u1ee3p v\u1edbi m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng v\u00e0 kh\u00f4ng gian l\u1eafp \u0111\u1eb7t. M\u1ed9t trong nh\u1eefng \u0111i\u1ec3m \u0111\u1ea7u ti\u00ean n\u00ean ch\u00fa \u00fd l\u00e0 k\u00edch th\u01b0\u1edbc c\u1ee7 loa. N\u1ebfu b\u1ea1n d\u00f9ng loa \u0111\u1ec3 xem phim, n\u00ean \u01b0u ti\u00ean c\u1ee7 loa t\u1eeb 15 inch tr\u1edf l\u00ean \u0111\u1ec3 t\u00e1i t\u1ea1o \u00e2m tr\u1ea7m s\u00e2u v\u00e0 m\u1ea1nh. Tuy nhi\u00ean, v\u1edbi nhu c\u1ea7u h\u00e1t karaoke t\u1ea1i nh\u00e0 ho\u1eb7c ph\u00f2ng kinh doanh c\u00f3 di\u1ec7n t\u00edch v\u1eeba ph\u1ea3i, loa t\u1eeb 10 \u0111\u1ebfn 12 inch s\u1ebd l\u00e0 l\u1ef1a ch\u1ecdn h\u1ee3p l\u00fd h\u01a1n v\u00ec \u0111\u1ea3m b\u1ea3o \u00e2m thanh r\u00f5 v\u00e0 g\u1ecdn.<\/p>\n

Ti\u1ebfp \u0111\u1ebfn, b\u1ea1n n\u00ean \u0111\u1ea3m b\u1ea3o loa sub c\u00f3 s\u1ef1 h\u00e0i h\u00f2a v\u1edbi to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng \u00e2m thanh. Tr\u01b0\u1edbc khi mua, h\u00e3y ki\u1ec3m tra d\u1ea3i t\u1ea7n s\u1ed1 c\u1ee7a loa sub v\u00e0 so s\u00e1nh v\u1edbi c\u00e1c loa kh\u00e1c trong d\u00e0n. Vi\u1ec7c ch\u1ecdn d\u1ea3i t\u1ea7n kh\u00f4ng ph\u00f9 h\u1ee3p c\u00f3 th\u1ec3 khi\u1ebfn c\u00f4ng su\u1ea5t loa sub b\u1ecb th\u1eeba ho\u1eb7c kh\u00f4ng ph\u00e1t huy h\u1ebft t\u00e1c d\u1ee5ng.<\/p>\n

V\u00ed d\u1ee5, n\u1ebfu loa tr\u1ea7m<\/b><\/strong>\u00a0ho\u1ea1t \u0111\u1ed9ng t\u1eeb 40Hz trong khi c\u00e1c loa c\u00f2n l\u1ea1i ch\u1ec9 xu\u1ed1ng \u0111\u01b0\u1ee3c 45Hz, s\u1ef1 ch\u00eanh l\u1ec7ch n\u00e0y kh\u00e1 nh\u1ecf v\u00e0 hi\u1ec7u qu\u1ea3 kh\u00f4ng cao. Nh\u01b0ng n\u1ebfu h\u1ec7 th\u1ed1ng loa kh\u00e1c d\u1eebng \u1edf 65Hz th\u00ec khi th\u00eam loa sub v\u00e0o, b\u1ea1n s\u1ebd c\u1ea3m nh\u1eadn r\u00f5 r\u1ec7t s\u1ef1 c\u1ea3i thi\u1ec7n.<\/p>\n

\"loa-tram-7\"<\/picture><\/p>\n

Ngo\u00e0i ra, vi\u1ec7c mua tr\u1ecdn b\u1ed9 loa c\u00f9ng h\u00e3ng c\u0169ng mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch. H\u1ec7 th\u1ed1ng s\u1ebd d\u1ec5 k\u1ebft n\u1ed1i, t\u01b0\u01a1ng th\u00edch t\u1ed1t v\u00e0 \u00e2m thanh ph\u00e1t ra \u0111\u1ed3ng \u0111\u1ec1u. Trong tr\u01b0\u1eddng h\u1ee3p b\u1ea1n ch\u01b0a c\u00f3 nhi\u1ec1u kinh nghi\u1ec7m, l\u1ef1a ch\u1ecdn loa sub \u0111i\u1ec7n s\u1ebd gi\u00fap d\u1ec5 d\u00e0ng s\u1eed d\u1ee5ng v\u00e0 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 cao h\u01a1n m\u00e0 kh\u00f4ng c\u1ea7n ch\u1ec9nh s\u1eeda qu\u00e1 nhi\u1ec1u.<\/p>\n

C\u00e1ch l\u1eafp \u0111\u1eb7t loa tr\u1ea7m sao cho \u00e2m thanh t\u1ed1t nh\u1ea5t<\/h2>\n

\u0110\u1ec3 loa sub ph\u00e1t huy t\u1ed1i \u0111a hi\u1ec7u qu\u1ea3 v\u00e0 mang l\u1ea1i tr\u1ea3i nghi\u1ec7m \u00e2m thanh tr\u1ecdn v\u1eb9n, vi\u1ec7c l\u1eafp \u0111\u1eb7t \u0111\u00fang c\u00e1ch l\u00e0 y\u1ebfu t\u1ed1 r\u1ea5t quan tr\u1ecdng. Tr\u01b0\u1edbc ti\u00ean, b\u1ea1n n\u00ean x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed \u0111\u1eb7t loa ph\u00f9 h\u1ee3p v\u1edbi kh\u00f4ng gian. Th\u00f4ng th\u01b0\u1eddng, loa n\u00ean \u0111\u01b0\u1ee3c \u0111\u1eb7t s\u00e1t t\u01b0\u1eddng ho\u1eb7c \u1edf c\u00e1c g\u00f3c ph\u00f2ng \u0111\u1ec3 t\u1eadn d\u1ee5ng hi\u1ec7u \u1ee9ng c\u1ed9ng h\u01b0\u1edfng \u00e2m tr\u1ea7m. Tuy nhi\u00ean, c\u0169ng c\u1ea7n tr\u00e1nh \u0111\u1eb7t qu\u00e1 s\u00e1t v\u00e0o t\u01b0\u1eddng v\u00ec c\u00f3 th\u1ec3 g\u00e2y \u00f9 v\u00e0 m\u1ea5t c\u00e2n b\u1eb1ng \u00e2m thanh.<\/p>\n

\"loa-tram-21\"<\/picture><\/p>\n

Ngo\u00e0i ra, tr\u01b0\u1edbc khi c\u1ed1 \u0111\u1ecbnh v\u1ecb tr\u00ed, b\u1ea1n c\u00f3 th\u1ec3 th\u1eed ph\u01b0\u01a1ng ph\u00e1p \u201ccrawling subwoofer\u201d \u2013 t\u1ee9c l\u00e0 \u0111\u1eb7t loa sub v\u00e0o v\u1ecb tr\u00ed ng\u1ed3i nghe, sau \u0111\u00f3 \u0111i quanh ph\u00f2ng \u0111\u1ec3 t\u00ecm n\u01a1i \u00e2m tr\u1ea7m nghe r\u00f5 v\u00e0 \u1ea5m nh\u1ea5t. \u0110\u00f3 ch\u00ednh l\u00e0 v\u1ecb tr\u00ed l\u00fd t\u01b0\u1edfng \u0111\u1ec3 \u0111\u1eb7t loa tr\u1ea7m<\/b><\/strong>.<\/p>\n

B\u00ean c\u1ea1nh \u0111\u00f3, b\u1ea1n n\u00ean ki\u1ec3m tra h\u01b0\u1edbng loa v\u00e0 l\u1ed7 th\u00f4ng h\u01a1i (n\u1ebfu c\u00f3). V\u1edbi c\u00e1c loa c\u00f3 l\u1ed7 th\u00f4ng h\u01a1i ph\u00eda sau, n\u00ean \u0111\u1eb7t c\u00e1ch t\u01b0\u1eddng \u00edt nh\u1ea5t 20 \u2013 30 cm \u0111\u1ec3 tr\u00e1nh d\u1ed9i \u00e2m. Tr\u01b0\u1eddng h\u1ee3p loa c\u00f3 l\u1ed7 \u1edf ph\u00eda tr\u01b0\u1edbc s\u1ebd linh ho\u1ea1t h\u01a1n trong c\u00e1ch b\u1ed1 tr\u00ed.<\/p>\n

\"loa-tram-9\"<\/picture><\/p>\n

Cu\u1ed1i c\u00f9ng, \u0111\u1eebng qu\u00ean \u0111i\u1ec1u ch\u1ec9nh m\u1ee9c \u00e2m l\u01b0\u1ee3ng v\u00e0 t\u1ea7n s\u1ed1 c\u1eaft (crossover) ph\u00f9 h\u1ee3p v\u1edbi h\u1ec7 th\u1ed1ng loa ch\u00ednh. N\u1ebfu d\u00e0n \u00e2m thanh c\u00f3 ch\u1ee9c n\u0103ng t\u1ef1 c\u00e2n ch\u1ec9nh, b\u1ea1n n\u00ean s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u00e2m bass h\u00f2a quy\u1ec7n v\u00e0 kh\u00f4ng l\u1ea5n \u00e1t c\u00e1c d\u1ea3i \u00e2m kh\u00e1c. L\u1eafp \u0111\u1eb7t \u0111\u00fang c\u00e1ch s\u1ebd gi\u00fap b\u1ea1n c\u1ea3m nh\u1eadn \u00e2m tr\u1ea7m r\u00f5 r\u00e0ng, s\u00e2u v\u00e0 m\u1ea1nh m\u1ebd h\u01a1n trong t\u1eebng b\u1ea3n nh\u1ea1c hay b\u1ed9 phim.<\/p>\n

T\u1ea1m k\u1ebft<\/h2>\n

Nh\u00ecn chung, loa tr\u1ea7m<\/b><\/strong>\u00a0l\u00e0 m\u1ea3nh gh\u00e9p quan tr\u1ecdng gi\u00fap ho\u00e0n thi\u1ec7n tr\u1ea3i nghi\u1ec7m \u00e2m thanh s\u1ed1ng \u0111\u1ed9ng v\u00e0 ch\u00e2n th\u1ef1c h\u01a1n. Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00f4ng d\u1ee5ng, ph\u00e2n lo\u1ea1i, c\u00e1ch ch\u1ecdn mua v\u00e0 l\u1eafp \u0111\u1eb7t \u0111\u00fang c\u00e1ch s\u1ebd gi\u00fap b\u1ea1n t\u1eadn d\u1ee5ng t\u1ed1i \u0111a s\u1ee9c m\u1ea1nh c\u1ee7a loa sub trong m\u1ecdi kh\u00f4ng gian. H\u00e3y c\u00e2n nh\u1eafc k\u1ef9 nhu c\u1ea7u v\u00e0 \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf \u0111\u1ec3 l\u1ef1a ch\u1ecdn m\u1eabu loa ph\u00f9 h\u1ee3p, t\u1eeb \u0111\u00f3 n\u00e2ng t\u1ea7m ch\u1ea5t l\u01b0\u1ee3ng \u00e2m thanh cho d\u00e0n m\u00e1y c\u1ee7a b\u1ea1n.<\/p>\n

Xem th\u00eam:<\/p>\n