{"id":20471,"date":"2019-01-25T11:24:43","date_gmt":"2019-01-25T04:24:43","guid":{"rendered":"https:\/\/amplichinhhang.com\/english\/?p=20471"},"modified":"2019-01-25T11:24:45","modified_gmt":"2019-01-25T04:24:45","slug":"loa-bw-802-d3-va-focal-sopra-no2","status":"publish","type":"post","link":"https:\/\/amplichinhhang.com\/english\/2019\/01\/loa-bw-802-d3-va-focal-sopra-no2\/","title":{"rendered":"Loa B&#038;W 802 D3 va\u0300 Focal Sopra No2"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\">Loa floorstanding B&amp;W 802 D3<\/h3>\n\n\n\n<p>Loa B&amp;W 802 D3 l\u00e0 m\u1ed9t m\u00f4 h\u00ecnh c\u1ed9t v\u1edbi 3 k\u00eanh v\u00e0 4 loa (hai trong s\u1ed1 20 cm cho \u00e2m tr\u1ea7m). N\u00f3 \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb c\u00e1c c\u00f4ng ngh\u1ec7 Diamant, Nautilus, Continuum v\u00e0 Aerofoil. Loa B &amp; W 802 D3 \u0111\u01b0\u1ee3c ph\u00e2n bi\u1ec7t v\u1edbi B&amp;W 803 D3 b\u1edfi loa c\u00f3 \u0111\u01b0\u1eddng k\u00ednh l\u1edbn h\u01a1n, mang l\u1ea1i \u0111\u1ed9 r\u1ed9ng v\u00e0 uy quy\u1ec1n h\u01a1n cho k\u1ebft xu\u1ea5t \u00e2m nh\u1ea1c.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/audiohanoi.com\/upload_images\/images\/Loa-B%26W-802-D3.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>Bowers &amp; Wilkins l\u00e0m m\u1edbi d\u00f2ng s\u1ea3n ph\u1ea9m Diamond 800 , bao\ng\u1ed3m loa B &amp; W Diamond 802 D3, B &amp; W Diamond 803 D3 v\u00e0 B &amp; W Diamond\n804 D3, loa compact B &amp; W Diamond 805 D3 v\u00e0 loa trung t\u00e2m B &amp; W Diamond\nHTM1 D3 v\u00e0 B &amp; W Diamond HTM2 D3. Nh\u01b0 t\u00ean g\u1ecdi c\u1ee7a ch\u00fang, c\u00e1c loa n\u00e0y s\u1eed d\u1ee5ng\nkim c\u01b0\u01a1ng trong thi\u1ebft k\u1ebf c\u1ee7a ch\u00fang, trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o ra\nc\u00e1c v\u00f2m c\u1ee7a m\u1ed7i loa tweeter t\u1ea3i Nautilus . Nh\u1edb l\u1ea1i r\u1eb1ng loa B &amp; W 800\nSeries\u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi c\u00e1c ph\u00f2ng thu \u00e2m uy t\u00edn, ch\u1eb3ng h\u1ea1n nh\u01b0 ph\u00f2ng thu Abbey\nRoad \u1edf Anh. \u0110\u01b0\u1ee3c c\u00f4ng nh\u1eadn v\u1ec1 \u0111\u1ed9 c\u1ee9ng c\u1ef1c cao c\u1ee7a n\u00f3, vi\u00ean kim c\u01b0\u01a1ng cung c\u1ea5p\nc\u00e1c \u0111i\u1ec1u ki\u1ec7n tho\u00e1ng qua \u0111\u1eb7c bi\u1ec7t, \u0111\u1ed9 m\u00e9o t\u1ed1i thi\u1ec3u v\u00e0 t\u0103ng t\u1ea7n s\u1ed1 ngo\u1ea1n m\u1ee5c.\nC\u00e1c t\u00ednh n\u0103ng t\u1ed1i \u01b0u \u0111\u1ec3 thi\u1ebft k\u1ebf m\u1ed9t tweeter, \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o \u1ed1ng Nautilus , \u0111\u1ec3 lo\u1ea1i\nb\u1ecf ho\u00e0n to\u00e0n c\u00e1c ph\u1ea3n x\u1ea1 gi\u1ea3 t\u1eeb s\u00f3ng ng\u01b0\u1ee3c \u0111\u01b0\u1ee3c tri\u1ec3n khai.<\/p>\n\n\n\n<p>Loa t\u1ea7m trung 15 cm c\u1ee7a loa B &amp; W Diamond 802 D3 c\u00f3 m\u00e0ng\nContinuum , c\u00f4ng ngh\u1ec7 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n trong 8 n\u0103m b\u1edfi th\u01b0\u01a1ng hi\u1ec7u Anh. H\u00e0nh vi\nc\u01a1 h\u1ecdc tuy\u1ec7t v\u1eddi c\u1ee7a n\u00f3 trong c\u00e1c bi\u1ebfn th\u1ec3 \u00e2m thanh bi\u00ean \u0111\u1ed9 cao \u0111\u1ea3m b\u1ea3o \u0111\u1ed9\ntrung th\u1ef1c r\u1ea5t cao trong phi\u00ean \u00e2m t\u00edn hi\u1ec7u \u00e2m thanh. B\u1eb1ng ch\u1ee9ng l\u00e0 loa n\u00e0y \u0111\u01b0\u1ee3c\nthi\u1ebft k\u1ebf ch\u1ec9 \u0111\u1ec3 t\u00e1i t\u1ea1o ph\u1ea7n n\u00e0y c\u1ee7a ph\u1ed5 \u00e2m thanh, n\u00f3 kh\u00f4ng c\u00f3 h\u1ec7 th\u1ed1ng treo v\u00e0\nkh\u00f4ng th\u1ec3 t\u00e1i t\u1ea1o t\u1ea7n s\u1ed1 th\u1ea5p. \u0110\u1ed1i v\u1edbi loa bass \u0111\u01b0\u1eddng k\u00ednh 20 cm, m\u00e0ng Aerofoil\nc\u1ee7a ch\u00fang c\u00f3 \u0111\u1ed9 d\u00e0y kh\u00e1c nhau, \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3. D\u00e0y h\u01a1n v\u1ec1 chu\nvi, n\u00f3 \u1ee7ng h\u1ed9 vi\u1ec7c s\u1ea3n xu\u1ea5t c\u00e1c t\u1ea7n s\u1ed1 \u00e2m tr\u1ea7m c\u00f3 c\u1ea5u tr\u00fac t\u1ed1t h\u01a1n.<\/p>\n\n\n\n<p>Loa B &amp; W Diamond 802 D3 \u0111\u00e1p \u1ee9ng t\u1ea7n s\u1ed1 t\u1eeb 17 Hz \u0111\u1ebfn 28\nkHz, v\u1edbi \u0111\u1ed9 nh\u1ea1y 90 dB. Tr\u1edf kh\u00e1ng th\u1ea5p c\u1ee7a n\u00f3 l\u00e0 3 Ohms trong d\u1ea3i t\u1ea7n s\u1ed1 th\u1ea5p,\nb\u1ed9 khu\u1ebfch \u0111\u1ea1i m\u1ea1nh m\u1ebd v\u00e0 linh ho\u1ea1t l\u00e0 c\u1ea7n thi\u1ebft cho ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u01b0u c\u1ee7a n\u00f3.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Loa Floorstanding Focal Sopra No2<\/h3>\n\n\n\n<p>Loa Focal Sopra n \u00b0 2 l\u00e0 model c\u1ed9t cao c\u1ea5p, \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n\nv\u00e0 s\u1ea3n xu\u1ea5t t\u1ea1i Ph\u00e1p, \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb t\u1ea5t c\u1ea3 c\u00e1c c\u00f4ng ngh\u1ec7 Focal m\u1edbi. Nh\u00e0 s\u1ea3n\nxu\u1ea5t Ph\u00e1p ti\u1ebfp t\u1ee5c \u0111\u1ed5i m\u1edbi v\u00e0 cung c\u1ea5p v\u1edbi Focal Sopra s\u1ed1 2 m\u1ed9t trong nh\u1eefng loa\ncao c\u1ea5p \u0111\u1eb9p nh\u1ea5t c\u1ee7a n\u00f3. \u0110\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1ea1i Saint-\u00c9tienne v\u1edbi t\u1ee7 t\u1eeb Burgundy,\nFocal Sopra n \u00b0 2 n\u1ed5i b\u1eadt b\u1edfi c\u00e1c d\u00e2y chuy\u1ec1n v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t tuy\u1ec7t v\u1eddi.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/audiohanoi.com\/upload_images\/images\/Loa-Focal-Sopra-No2.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>Loa Focal Sopra # 2 \u0111\u01b0\u1ee3c trang b\u1ecb loa gia \u0111\u00ecnh. Hai tr\u00ecnh \u0111i\u1ec1u\nkhi\u1ec3n \u00e2m tr\u1ea7m t\u1ea7m trung \u0111\u01b0\u1eddng k\u00ednh 18 cm \u0111\u01b0\u1ee3c trang b\u1ecb m\u00e0ng Focal W v\u1edbi c\u00f4ng\nngh\u1ec7 NIC v\u00e0 TMD. C\u00f4ng ngh\u1ec7 M\u1ea1ch \u0111i\u1ec7n c\u1ea3m trung t\u00ednh (NIC) \u1ed5n \u0111\u1ecbnh t\u1eeb tr\u01b0\u1eddng c\u1ee7a\nnam ch\u00e2m loa, b\u1ea5t k\u1ec3 c\u01b0\u1eddng \u0111\u1ed9 v\u00e0 h\u00e0nh vi c\u1ee7a cu\u1ed9n d\u00e2y. C\u00e1c \u0111\u1ed9ng l\u1ef1c v\u00e0 \u0111\u1ed9 tinh\nkhi\u1ebft \u00e2m thanh \u0111\u01b0\u1ee3c ph\u00f3ng to. C\u00f4ng ngh\u1ec7 TMD (Tuned Mass Damper) bao g\u1ed3m tri\u1ec7t\nti\u00eau c\u00e1c c\u1ed9ng h\u01b0\u1edfng c\u00f3 h\u1ea1i c\u1ee7a h\u1ec7 th\u1ed1ng treo, b\u1eb1ng c\u00e1ch th\u00eam m\u1ed9t kh\u1ed1i dao \u0111\u1ed9ng.\nLo\u1ea1i b\u1ecf kh\u1ecfi c\u00e1c rung \u0111\u1ed9ng k\u00fd sinh c\u1ee7a n\u00f3, h\u1ec7 th\u1ed1ng treo kh\u00f4ng c\u00f2n l\u00e0m gi\u00e1n \u0111o\u1ea1n\nho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e0ng v\u00e0 l\u00e0m t\u0103ng t\u00ednh n\u0103ng \u0111\u1ed9ng c\u1ee7a loa. Loa t\u1ea7m trung 16,5 cm \u0111\u01b0\u1ee3c\nh\u01b0\u1edfng l\u1ee3i t\u1eeb c\u00e1c c\u00f4ng ngh\u1ec7 t\u01b0\u01a1ng t\u1ef1.<\/p>\n\n\n\n<p>Loa tweeter c\u1ee7a loa Focal Sopra n \u00b0 2 l\u00e0 m\u1ed9t m\u00f4 h\u00ecnh v\u00f2m c\u1ee9ng\n\u0111\u1ea3o ng\u01b0\u1ee3c c\u00f3 \u0111\u01b0\u1eddng k\u00ednh Beryllium 2,7 cm. Ngo\u00e0i \u0111\u1ed9 c\u1ee9ng v\u00e0 nh\u1eb9 \u0111\u1eb7c bi\u1ec7t, loa\ntweeter n\u00e0y c\u00f2n \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb h\u1ec7 th\u1ed1ng s\u1ea1c IHL (Infinite Horn Loading).\nC\u00f4ng ngh\u1ec7 n\u00e0y gi\u00fap gi\u1ea3m ti\u1ebfng \u1ed3n \u0111i l\u1ea1c \u1edf ph\u00eda sau m\u00e0ng tweeter, th\u00f4ng qua vi\u1ec7c\ns\u1eed d\u1ee5ng khoang ph\u00eda sau h\u00ecnh loa k\u00e8n, gi\u00fap th\u00fac \u0111\u1ea9y l\u01b0u th\u00f4ng r\u1eeda ng\u01b0\u1ee3c t\u1ef1\nnhi\u00ean v\u00e0 suy gi\u1ea3m. Do \u0111\u00f3, \u0111\u1ed9 m\u00e9o \u00e2m thanh gi\u1ea3m 30% trong kho\u1ea3ng 1,5 \u0111\u1ebfn 4 kHz,\ntrong khi \u0111\u1ecbnh ngh\u0129a \u0111\u01b0\u1ee3c t\u0103ng l\u00ean r\u1ea5t nhi\u1ec1u.<\/p>\n\n\n\n<p>Loa Focal Sopra No.2 \u0111\u00e1p \u1ee9ng t\u1ea7n s\u1ed1 t\u1eeb 34 Hz \u200b\u200b\u0111\u1ebfn 40 kHz, v\u1edbi\n\u0111\u1ed9 nh\u1ea1y 91 dB \/ W \/ m, tr\u1edf kh\u00e1ng danh ngh\u0129a l\u00e0 8 Ohms v\u00e0 t\u1ed1i thi\u1ec3u 3,1 Ohms. \u0110\u1ec3\nt\u1eadn d\u1ee5ng l\u1ee3i th\u1ebf c\u1ee7a n\u00f3, ch\u00fang t\u00f4i s\u1ebd li\u00ean k\u1ebft n\u00f3 v\u1edbi m\u1ed9t b\u1ed9 khu\u1ebfch \u0111\u1ea1i cao c\u1ea5p.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Loa floorstanding B&amp;W 802 D3 Loa B&amp;W 802 D3 l\u00e0 m\u1ed9t m\u00f4 h\u00ecnh c\u1ed9t v\u1edbi 3 k\u00eanh v\u00e0 4 loa (hai trong s\u1ed1 20 cm cho \u00e2m tr\u1ea7m). N\u00f3 \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb c\u00e1c c\u00f4ng ngh\u1ec7 Diamant, Nautilus, Continuum v\u00e0 Aerofoil. Loa B &amp; W 802 D3 \u0111\u01b0\u1ee3c ph\u00e2n bi\u1ec7t [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[1651,1671,1145],"class_list":{"0":"post-20471","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-uncategorized","7":"tag-loa-anh-quoc","8":"tag-loa-floorstanding","9":"tag-loa-phap"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Loa B&amp;W 802 D3 va\u0300 Focal Sopra No2 | Tr\u1ea3i nhi\u1ec7m c\u00e1c d\u00f2ng Loa, amply nghe nh\u1ea1c cao c\u1ea5p<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/amplichinhhang.com\/english\/2019\/01\/loa-bw-802-d3-va-focal-sopra-no2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Loa B&amp;W 802 D3 va\u0300 Focal Sopra No2 | Tr\u1ea3i nhi\u1ec7m c\u00e1c d\u00f2ng Loa, amply nghe nh\u1ea1c cao c\u1ea5p\" \/>\n<meta property=\"og:description\" content=\"Loa floorstanding B&amp;W 802 D3 Loa B&amp;W 802 D3 l\u00e0 m\u1ed9t m\u00f4 h\u00ecnh c\u1ed9t v\u1edbi 3 k\u00eanh v\u00e0 4 loa (hai trong s\u1ed1 20 cm cho \u00e2m tr\u1ea7m). N\u00f3 \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb c\u00e1c c\u00f4ng ngh\u1ec7 Diamant, Nautilus, Continuum v\u00e0 Aerofoil. 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