{"id":41216,"date":"2012-06-18T17:34:42","date_gmt":"2012-06-18T10:34:42","guid":{"rendered":"https:\/\/www.saigonstereo.com\/home\/?p=41216"},"modified":"2019-08-23T17:38:28","modified_gmt":"2019-08-23T10:38:28","slug":"review-ayre-acoustics-ax-7e-va-cx-7emp-doi-thu-nang-ky","status":"publish","type":"post","link":"https:\/\/www.saigonstereo.com\/home\/review-ayre-acoustics-ax-7e-va-cx-7emp-doi-thu-nang-ky\/","title":{"rendered":"[Review] Ayre Acoustics AX-7e v\u00e0 CX-7eMP: \u0110\u1ed1i th\u1ee7 n\u1eb7ng k\u00fd"},"content":{"rendered":"

HFVN – V\u1edbi m\u1ee9c gi\u00e1 7.000USD\/b\u1ed9, nhi\u1ec1u ng\u01b0\u1eddi cho r\u1eb1ng Ayre Acoustics AX-7e v\u00e0 CX-7eMP c\u00f3 ch\u1ea5t \u00e2m \u0111\u1ed9c \u0111\u00e1o s\u1ebd tr\u1edf th\u00e0nh \u0111\u1ed1i th\u1ee7 n\u1eb7ng k\u00fd c\u1ee7a c\u00e1c \u0111\u1ea7u l\u1ecdc v\u00e0 ampli hi-end c\u00f9ng t\u1ea7m gi\u00e1. N\u1ebfu m\u1ed9t l\u1ea7n \u0111\u01b0\u1ee3c th\u01b0\u1edfng th\u1ee9c \u00e2m thanh c\u1ee7a b\u1ed9 \u0111\u00f4i n\u00e0y, ch\u1eafc b\u1ea1n c\u0169ng c\u00f3 c\u00f9ng suy ngh\u0129 \u1ea5y. B\u1ed9 \u0111\u00f4i s\u1ea3n ph\u1ea9m r\u1ea5t \u0111\u1eb7c bi\u1ec7t c\u1ee7a Ayre Acoustics \u201cAmpli t\u00edch h\u1ee3p AX-7e v\u00e0 CD CX\u20137eMP\u201d s\u1ebd khi\u1ebfn b\u1ea1n ph\u1ea3i ng\u1ea1c nhi\u00ean khi \u0111\u01b0\u1ee3c ch\u00ecm \u0111\u1eafm v\u00e0 t\u1eadn h\u01b0\u1edfng kh\u00f4ng gian \u00e2m nh\u1ea1c t\u01b0\u01a1i m\u00e1t, trung th\u1ef1c m\u00e0 kh\u00f4ng bao gi\u1edd ch\u00e1n.<\/p>\n

\"Ayre
\nB\u1ed9 \u0111\u00f4i AX-7e v\u00e0 CX-7eMP c\u00f3 thi\u1ebft k\u1ebf b\u00ean ngo\u00e0i gi\u1ed1ng h\u1ec7t nhau<\/b><\/i><\/p>\n

C\u00e1ch \u0111\u00e2y 5 n\u0103m, Ayre Acoustics cho ra \u0111\u1eddi b\u1ed9 \u0111\u00f4i CX-7 v\u00e0 AX-7. B\u1ed9 \u0111\u1ea7u l\u1ecdc v\u00e0 ampli t\u00edch h\u1ee3p h\u00e0ng entry-level \u0111\u00f3 \u0111\u00e3 tr\u1edf th\u00e0nh ch\u1ee7 \u0111\u1ec1 b\u00e0n lu\u1eadn c\u1ee7a nhi\u1ec1u t\u1ea1p ch\u00ed v\u00e0 di\u1ec5n \u0111\u00e0n ch\u01a1i \u00e2m thanh tr\u00ean th\u1ebf gi\u1edbi. V\u1edbi gi\u00e1 h\u1ee3p l\u00fd, thi\u1ebft k\u1ebf c\u00e2n b\u1eb1ng v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng \u00e2m thanh \u1ea5n t\u01b0\u1ee3ng, b\u1ed9 \u0111\u00f4i n\u00e0y \u0111\u00e3 nhanh ch\u00f3ng chi\u1ebfm \u0111\u01b0\u1ee3c v\u1ecb tr\u00ed cao trong c\u00e1c b\u1ea3ng x\u1ebfp h\u1ea1ng.<\/p>\n

Kh\u00f4ng ng\u1ee7 qu\u00ean tr\u00ean chi\u1ebfn th\u1eafng, Ayre Acoustics ti\u1ebfp t\u1ee5c c\u00f3 nh\u1eefng c\u1ea3i ti\u1ebfn m\u1edbi tr\u00ean c\u01a1 s\u1edf c\u1ee7a nh\u1eefng b\u1ed9 \u0111\u00f4i th\u00e0nh c\u00f4ng n\u00e0y \u0111\u1ec3 cho ra \u0111\u1eddi CX-7e\/AX-7e (ch\u1eef \u201ce\u201d trong t\u00ean g\u1ecdi l\u00e0 ch\u1eef \u0111\u1ea7u c\u1ee7a evolution- c\u1ea3i ti\u1ebfn) v\u00e0 sau \u0111\u00f3 l\u00e0 CX-7eMP (ch\u1eef “MP” trong t\u00ean g\u1ecdi l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a Minimum Phase – m\u1ed9t b\u1ed9 l\u1ecdc c\u1ef1c k\u1ef3 hi\u1ec7u qu\u1ea3 m\u1edbi c\u1ee7a Ayre).<\/p>\n

\u0110\u1ea6U CD Ayre Acoustics CX -7eMP<\/h3>\n

C\u00f9ng thi\u1ebft k\u1ebf v\u1ecf nh\u00f4m tinh t\u1ebf v\u00e0 m\u00e0n h\u00ecnh LED m\u00e0u xanh l\u01a1, v\u1ecb tr\u00ed v\u00e0 n\u00fat b\u1ea5m c\u00e1c n\u00fat gi\u1ed1ng h\u1ec7t, hai thi\u1ebft b\u1ecb n\u00e0y gi\u1ed1ng nhau \u0111\u00e1ng ng\u1ea1c nhi\u00ean. \u0110\u00e2y l\u00e0 thi\u1ebft k\u1ebf \u0111\u1eb9p gi\u1ea3n d\u1ecb.<\/p>\n

\"Ayre
\n\u0110i\u1ec3m nh\u1eadn bi\u1ebft c\u1ee7a CX-7eMP so v\u1edbi AX-7e ch\u00ednh l\u00e0 khay CD n\u1eb1m b\u00ean d\u01b0\u1edbi m\u00e0n h\u00ecnh<\/b><\/i><\/p>\n

B\u00ean trong CX-7eMP c\u00f3 hai bi\u1ebfn th\u1ebf ngu\u1ed3n s\u01a1n xanh r\u1ea5t l\u1edbn c\u1ee7a h\u00e3ng Mercury. B\u1ed9 c\u01a1 CD c\u1ee7a TEAC cung c\u1ea5p t\u00edn hi\u1ec7n m\u00e3 h\u00f3a S\/PDIF \u0111\u1ebfn bo m\u1ea1ch n\u1eb1m d\u01b0\u1edbi c\u00e1c \u0111\u1ea7u ra \u1edf m\u1eb7t sau. T\u00edn hi\u1ec7u digital trong \u0111\u1ea7u CX-7eMP \u0111\u01b0\u1ee3c x\u1eed l\u00fd theo c\u00f4ng ngh\u1ec7 \u201cb\u1ed9 l\u1ecdc s\u1ed1 nhi\u1ec1u t\u1ea7n\u201d. T\u1ea7ng th\u1ee9 nh\u1ea5t \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua chip Burr-Brown DF1706,\u00a0 m\u1ed9t chipset 24bit v\u1edbi kh\u1ea3 n\u0103ng x\u1eed l\u00fd t\u1ea7n s\u1ed1 m\u1eabu 192kHz. Ayre d\u00f9ng chip\u00a0 n\u00e0y \u0111\u1ec3 upsam-ple t\u00edn hi\u1ec7u l\u00ean 176.4kHz. H\u01a1n n\u1eefa, chip DF1706 c\u00f2n cung c\u1ea5p ch\u1ebf \u0111\u1ed9 t\u00e1c \u0111\u1ed9ng v\u00e0o \u0111\u1ecbnh d\u1ea1ng c\u1ee7a t\u00edn hi\u1ec7u s\u1ed1 m\u00e0 Ayre g\u1ecdi l\u00e0 ch\u1ebf \u0111\u1ed9 \u201cMeasure\u201d v\u00e0 \u201c Listen\u201d. B\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn l\u1ef1a th\u00f4ng qua c\u00f4ng t\u1eafc nh\u1ecf \u1edf m\u1eb7t sau.<\/p>\n

\"CD
\nB\u1ed1 tr\u00ed kh\u00e1 g\u1ecdn g\u00e0ng b\u00ean trong CX-7eMP<\/b><\/i><\/p>\n

B\u1ed9 l\u1ecdc digital th\u1ee9 hai d\u00f9ng chip DF1706, th\u1ef1c ch\u1ea5t l\u00e0 th\u1ef1c hi\u1ec7n qu\u00e1 tr\u00ecnh oversample t\u00edn hi\u1ec7u s\u1ed1 l\u00ean \u0111\u1ebfn 1,4112MHz\/24bit, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c tr\u01b0\u1edbc khi \u0111\u01b0a v\u00e0o chip DAC. S\u1eed d\u1ee5ng th\u1ebf h\u1ec7 m\u1edbi nh\u1ea5t, Burr-Brown PCM1738 l\u00e0 con chip DAC 24bit \u0111\u1ed9 ph\u00e2n gi\u1ea3i c\u1ef1c cao v\u1edbi 6 bit tr\u00ean chuy\u1ec3n \u0111\u1ed3i d\u1eef li\u1ec7u b\u1eb1ng topology resistor-lad-der th\u00f4ng th\u01b0\u1eddng v\u00e0 18 bit d\u01b0\u1edbi b\u1eb1ng k\u1ef9 thu\u1eadt sigma-delta, ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ea7n s\u1ed1 11.2896MHz.<\/p>\n

\u0110\u1ea7u analog c\u1ee7a PCM1738 c\u00f3 d\u1ea1ng d\u00f2ng \u0111i\u1ec7n v\u00e0 \u0111\u01b0\u1ee3c \u0111\u01b0a tr\u1ef1c ti\u1ebfp v\u00e0o c\u00e1c chip khu\u1ebfch \u0111\u1ea1i analog m\u00e3 s\u1ed1 AD844. \u0110\u00e2y l\u00e0 c\u00e1c con op-amp bipolar t\u1ed1c \u0111\u1ed9 si\u00eau cao (t\u1ea7n s\u1ed1 v\u00e0 t\u1ed1c su\u1ea5t l\u1ea7n l\u01b0\u1ee3t l\u00ean \u0111\u1ebfn 60MHz v\u00e0 2000V\/microsecond), \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho x\u1eed l\u00fd d\u00f2ng-\u0111i\u1ec7n \u00e1p. T\u1ea5t c\u1ea3 c\u00f3 8 chip AD844 cho t\u1ea7ng khu\u1ebfch \u0111\u1ea1i analog \u0111\u1ea7u ra. Linh ki\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng cao, ho\u00e0n to\u00e0n kh\u00f4ng d\u00f9ng c\u00e1c t\u1ee5 n\u1ed1i t\u1ea7ng v\u00e0 h\u1ed3i ti\u1ebfp \u00e2m (zero-feedback)\u2026<\/p>\n

\"CD
\nCX-7eMP v\u1eabn d\u00f9ng c\u01a1 ch\u1ebf khay \u0111\u0129a tr\u01b0\u1ee3t ngang truy\u1ec1n th\u1ed1ng<\/b><\/i><\/p>\n

\u0110\u1ea7u ra t\u00edn hi\u1ec7n analog c\u1ee7a CX-7e c\u00f3 c\u1ea3 hai d\u1ea1ng k\u1ebft n\u1ed1i: RCA v\u00e0 balance. T\u00edn hi\u1ec7u s\u1ed1 ch\u1ec9 d\u00f9ng \u0111\u01b0\u1eddng ra balance. T\u1ea5t c\u1ea3 c\u00e1c \u0111\u01b0\u1eddng ra \u0111\u1ec1u d\u00f9ng jack n\u1ed1i ch\u1ea5t l\u01b0\u1ee3ng cao, c\u00f3 m\u1ea1 l\u1edbp v\u00e0ng d\u00e0y.<\/p>\n

Ampli Ayre Acoustics AX-7e<\/h3>\n

H\u00ecnh th\u1ee9c b\u00ean ngo\u00e0i gi\u1ed1ng h\u1ec7t \u0111\u1ea7u \u0111\u0129a CX-7e, ampli AX-7e cung c\u1ea5p c\u00f4ng xu\u1ea5t 60W\/8 ohm v\u00e0 120W\/4 ohm. Nh\u01b0 m\u1ecdi s\u1ea3n ph\u1ea9m kh\u00e1c c\u1ee7a Ayre, AX-7e s\u1eed d\u1ee5ng ho\u00e0n to\u00e0n m\u1ea1ch khu\u1ebfch \u0111\u1ea1i c\u00e2n b\u1eb1ng v\u00e0 zero feedback. C\u00e1c \u0111\u01b0\u1eddng t\u00edn hi\u1ec7u balance \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi hai linh ki\u1ec7n khu\u1ebfch \u0111\u1ea1i \u0111\u1ed1i x\u1ee9ng c\u00f3 c\u1ef1c t\u00edn ng\u01b0\u1ee3c nhau nh\u1eb1m lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n hi\u1ec7n t\u01b0\u1ee3ng t\u1ea1p \u00e2m n\u1ed9i b\u1ed9 v\u00e0 t\u1ea1p \u00e2m t\u1eeb b\u00ean ngo\u00e0i. \u0110\u1ec3 t\u0103ng c\u01b0\u1eddng h\u1ea1n ch\u1ebf t\u1ea1p nhi\u1ec5u, trong AX-7e Ayre s\u1eed d\u1ee5ng b\u1ed9 \u0111i\u1ec1u khi\u1ec3n volume c\u00e2n b\u1eb1ng v\u1edbi transistor FET, \u0111i\u1ec7n tr\u1edf m\u00e0ng kim lo\u1ea1i metal \u2013film. B\u1ed9 \u0111i\u1ec1u khi\u1ec3n volume n\u00e0y \u0111\u01b0\u1ee3c \u0111\u1eb7t ngang \u1edf ph\u00eda tr\u00ean m\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb, g\u1ed3m 66 b\u01b0\u1edbc ch\u1ec9nh v\u1edbi m\u1ee9c 1dB\/b\u01b0\u1edbc. N\u1ebfu kh\u00f4ng c\u00f3 \u0111i\u1ec7n ngu\u1ed3n, b\u1ea1n d\u1ec5 nh\u1ea7m t\u01b0\u1edfng l\u00e0 khay \u0111\u0129a.<\/p>\n

\"Ayre
\nN\u1ebfu kh\u00f4ng b\u1eadt \u0111i\u1ec7n ngu\u1ed3n, b\u1ea1n s\u1ebd nh\u1ea7m n\u00fat ch\u1ec9nh volume l\u00e0 m\u1ed9t khay \u0111\u0129a<\/b><\/i><\/p>\n

B\u1ed9 vi x\u1eed l\u00fd ch\u00ednh trong m\u00e1y c\u00f3 ch\u1ebf \u0111\u1ed9 t\u1ef1 ng\u01b0ng khi kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng. V\u00ec th\u1ebf, hi\u1ebfm c\u00f3 ampli n\u00e0o trong t\u1ea7m gi\u00e1 n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf k\u1ef9 nh\u01b0 th\u1ebf v\u00e0 m\u1ea1ch \u0111i\u1ec7n b\u00ean trong AX-7e ho\u00e0n to\u00e0n \u201ct\u0129nh l\u1eb7ng\u201d<\/p>\n

T\u1ea7ng c\u00f4ng su\u1ea5t c\u1ee7a ampli s\u1eed d\u1ee5ng to\u00e0n b\u1ed9 s\u00f2 than lo\u1ea1i nh\u1ecf (MJE 15030\/15031), trong khi h\u1ea7u h\u1ebft ampli tr\u00ean th\u1ecb tr\u01b0\u1eddng ch\u1ee7 y\u1ebfu d\u00f9ng s\u00f2 than lo\u1ea1i to. Ph\u1ea3i ch\u0103ng \u0111\u00e2y l\u1ea1i l\u00e0 b\u00ed quy\u1ebft n\u1eefa c\u1ee7a Ayre acoustics.<\/p>\n

\"Ayre<\/p>\n

AX-7e c\u00f3 b\u1ed1n \u0111\u1ea7u v\u00e0o: hai \u0111\u1ea7u v\u00e0o balanced v\u00e0 hai \u0111\u1ea7u v\u00e0o RCA. N\u1ebfu b\u1ea1n ch\u1ec9 c\u00f3 c\u00e1c thi\u1ebft b\u1ecb th\u00f4ng th\u01b0\u1eddng v\u1edbi \u0111\u1ea7u ra kh\u00f4ng c\u00e2n b\u1eb1ng k\u1ebft n\u1ed1i RCA, c\u00f3 th\u1ec3 t\u1ea1m coi AX-7e ch\u1ec9 c\u00f3 hai \u0111\u1ea7u v\u00e0o tr\u1eeb khi b\u1ea1n b\u1ecf ra 75USD \u0111\u1ec3 mua b\u1ed9 adapter XLR-RCA do Ayre cung c\u1ea5p. T\u00ednh ch\u1ea5t c\u00e2n b\u1eb1ng trong thi\u1ebft k\u1ebf c\u00f2n th\u1ec3 hi\u1ec7n \u1edf c\u00e1c \u0111\u1ea7u c\u1eafm t\u00edn hi\u1ec5u v\u00e0o. Ch\u00fang ho\u00e0n to\u00e0n \u0111\u1ed1i x\u1ee9ng nhau \u1edf ph\u00eda sau ampli.<\/p>\n

\u0110i\u1ec1u l\u1ea1 n\u1eefa l\u00e0 c\u00e1c jack c\u1eafm \u0111\u1ea7u v\u00e0o v\u00e0 c\u00e1c n\u00fat b\u1ea5m chuy\u1ec3n t\u01b0\u01a1ng \u1ee9ng l\u00ean m\u1eb7t m\u00e1y l\u1ea1i kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u b\u1eb1ng s\u1ed1 hay ch\u1eef theo c\u00e1ch th\u00f4ng th\u01b0\u1eddng (ch\u1eb3ng h\u1ea1n CD, Tuner, Aux\u2026.), m\u00e0 l\u1ea1i l\u00e0 h\u00ecnh ng\u00f4i sao, m\u1eb7t tr\u0103ng hay sao ch\u1ed5i, g\u00e2y kh\u00f4ng \u00edt r\u1eafc r\u1ed1i cho ng\u01b0\u1eddi s\u1eed d\u1ee5ng. \u0110\u00f4i l\u00fac b\u1ea1n kh\u00f4ng th\u1ec3 nh\u1edb \u0111\u1ea7u CD n\u1ed1i v\u1edbi \u0111\u1ea7u v\u00e0o \u201csao” hay \u201ctr\u0103ng\u201d.<\/p>\n

\"Bi\u1ebfn
\nM\u1ed9t bi\u1ebfn \u00e1p l\u1edbn \u0111\u1ea3m b\u1ea3o ngu\u1ed3n \u1ed5n \u0111\u1ecbnh cho AX-7e<\/b><\/i><\/p>\n

Kh\u00f4ng ch\u1ec9 s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ea7u v\u00e0o v\u1edbi k\u00fd hi\u1ec7u \u0111\u1eb7c bi\u1ec7t, m\u00e0 b\u1ed9 c\u1ecdc \u0111\u1ea5u d\u00e2y loa thu\u1ed9c h\u00e0ng ch\u1ea5t l\u01b0\u1ee3ng cao c\u1ee7a Cardas m\u00e0 AX-7e s\u1eed d\u1ee5ng tr\u00f4ng r\u1ea5t kh\u00e1c th\u01b0\u1eddng. Nh\u01b0ng khi \u0111\u00e3 d\u00f9ng quen, b\u1ea1n s\u1ebd th\u1ea5y r\u1ea5t d\u1ec5 s\u1eed d\u1ee5ng, n\u00f3 gi\u1eef d\u00e2y loa r\u1ea5t ch\u1eafc b\u1eb1ng n\u00fat v\u1eb7n si\u1ebft ch\u1eb7t. \u0110\u00e2y l\u00e0 ki\u1ec3u thi\u1ebft k\u1ebf binding post tuy\u1ec7t v\u1eddi, k\u1ebft n\u1ed1i r\u1ea5t ch\u1eb7t ch\u1ebd m\u00e0 kh\u00f4ng t\u1ed1n nhi\u1ec1u s\u1ee9c c\u1ee7a b\u1ea1n.<\/p>\n

CH\u1ea4T L\u01af\u1ee2NG \u00c2M THANH<\/h3>\n

M\u1ed7i khi th\u1eed nghi\u1ec7m thi\u1ebft b\u1ecb \u00e2m thanh m\u1edbi, \u0111\u00f4i tay c\u1ee7a b\u1ea1n th\u01b0\u1eddng t\u00ecm ki\u1ebfm nh\u1eefng \u0111i\u1ec3m m\u1edbi l\u1ea1 v\u00e0 \u0111\u1eb7c tr\u01b0ng trong ch\u1ea5t \u00e2m m\u00e0 b\u1ea1n ch\u01b0a t\u1eebng th\u1ea5y. V\u1edbi b\u1ed9 \u0111\u00f4i ampli AX-7e v\u00e0 \u0111\u1ea7u CD CX-7eMP, \u0111i\u1ec3m \u0111\u1eb7c tr\u01b0ng d\u1ec5 th\u1ea5y nh\u1ea5t l\u00e0 \u00e2m thanh trong v\u1eaft v\u00e0 ch\u1ea5t \u00e2m bass si\u00eau h\u1ea1ng. Th\u00f4ng qua AX-7e\/CX-7eMP, ch\u00fang t\u00f4i \u0111\u00e3 \u0111\u01b0\u1ee3c th\u01b0\u1edfng th\u1ee9c \u00e2m thanh \u1edf m\u1ee9c chi ti\u1ebft, \u0111\u1ed9 trung th\u1ef1c\u00a0 c\u1ee7a ti\u1ebfng bass v\u00e0 c\u1ea3 s\u1ef1 m\u1ea1nh m\u1ebd th\u01b0\u1eddng ch\u1ec9 th\u1ea5y \u1edf nh\u1eefng h\u1ec7 th\u1ed1ng \u0111\u1eaft ti\u1ec1n h\u01a1n h\u1eb3n.<\/p>\n

V\u1edbi \u201cIn Sentimental Mood\u201d, b\u00e0i m\u1edf \u0111\u1ea7u c\u1ee7a \u0111\u0129a Mark Levinson Live Recordings at Red Rose Music Volume One, b\u1ea1n s\u1ebd c\u1ea3m nh\u1eadn \u0111\u01b0\u1ee3c s\u1ef1 trong tr\u1ebbo v\u00e0 r\u1ed9ng m\u1edf kh\u00e1c th\u01b0\u1eddng.<\/p>\n

\"Ayre
\nC\u00e1c c\u1ed5ng k\u1ebft n\u1ed1i ph\u00eda sau Ayre Acoustics AX-7e v\u00e0 CX-7eMP<\/b><\/i><\/p>\n

Ti\u1ebfng tenor sax c\u1ee7a Chico Freeman vang l\u00ean thanh tho\u00e1t, ho\u00e0n to\u00e0n kh\u00f4ng b\u1ecb g\u00f2 b\u00f3 hay tr\u00f3i bu\u1ed9c, \u0111\u1eb7c bi\u1ec7t \u1edf ph\u1ea7n d\u1ea3i tr\u00ean c\u1ee7a ti\u1ebfng trung. C\u0169ng tr\u00ean \u0111\u0129a \u0111\u00f3, b\u1ea3n piano \u201cAlligator Crawl\u201d c\u1ee7a Peter Muir l\u1ea1i n\u1eb7ng v\u1ec1 ti\u1ebfng bass. V\u00e0 ch\u00fang t\u00f4i kh\u00f4ng c\u00f3 g\u00ec ph\u1ea3i than phi\u1ec1n: ti\u1ebfng bass s\u00e2u tr\u1ea7m, \u0111\u1ea7y chi ti\u1ebft, nh\u01b0ng v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 trong c\u1ee7a \u00e2m thanh \u0111\u1ebfn m\u1ee9c c\u00f3 th\u1ec3 nghe th\u1ea5y ti\u1ebfng ng\u00f3n tay c\u1ee7a Muir l\u01b0\u1edbt tr\u00ean ph\u00edm d\u00e2y \u0111\u00e0n.<\/p>\n

\u0110\u00e2y l\u00e0 \u0111i\u1ec1u r\u1ea5t kh\u00f3 \u0111\u1ea1t \u0111\u01b0\u1ee3c v\u1edbi nhi\u1ec1u ampli kh\u00e1c. C\u00f2n v\u1edbi b\u00e0i \u201cLittle Dog\u2019s Day\u201d c\u1ee7a Kim Cattrell, d\u01b0\u1edbi b\u00e0n tay c\u1ee7a Mark Levinson, ti\u1ebfng double bass th\u1ef1c s\u1ef1 l\u00e0 th\u1eed nghi\u1ec7m t\u1ed1t \u0111\u1ed1i v\u1edbi kh\u1ea3 n\u0103ng t\u00e1i hi\u1ec7n ti\u1ebfng bass. C\u00f3 th\u1ec3 n\u00f3i, AX- 7e \u0111\u00e3 \u0111em \u0111\u1ebfn ti\u1ebfng bass m\u1ea1nh m\u1ebd, h\u01b0\u1edbng v\u1ec1 ph\u00eda tr\u01b0\u1edbc v\u00e0 s\u1ed1ng \u0111\u1ed9ng l\u1ea1 th\u01b0\u1eddng khi song h\u00e0nh c\u00f9ng gi\u1ecdng h\u00e1t c\u1ee7a Cattrall.<\/p>\n

Trong album Scarlett\u2019s Walk c\u1ee7a Tori Amos, \u201c Taxi Ride\u201d l\u00e0 b\u00e0i h\u00e1t kh\u00e1 r\u1ed1i. V\u1edbi nhi\u1ec1u \u0111\u1ea7u \u0111\u0129a v\u00e0 ampli kh\u00e1c, n\u00f3 tr\u1edf n\u00ean l\u00f9ng b\u00f9ng kh\u00f4ng th\u1ec3 nghe \u0111\u01b0\u1ee3c. Nh\u01b0ng v\u1edbi b\u1ed9 \u0111\u00f4i Ayre, th\u00ec kh\u00e1c.<\/p>\n

Thay v\u00ec tr\u00e0n ng\u1eadp nh\u1eefng \u00e2m thanh h\u1ed7n lo\u1ea1n, b\u1ea3n nh\u1ea1c l\u1ea1i kh\u00e1 gi\u00e0u chi ti\u1ebft, n\u1eb7ng n\u1ec1 c\u00f3 ch\u1ee7 \u00fd; m\u1ecdi th\u1ee9 \u0111an xen v\u00e0o nhau, nh\u01b0ng kh\u00f4ng h\u1ec1 tr\u1ed9n l\u1eabn. Ti\u1ebfng bass v\u00e0 trung tr\u1ea7m \u0111\u00e2u v\u00e0o \u0111\u1ea5y, \u0111i\u1ec1u m\u00e0 nh\u1eefng h\u1ec7 th\u1ed1ng \u00e2m thanh thi\u1ebfu \u0111\u1ed9 \u0111\u1ed9ng th\u01b0\u1eddng kh\u00f4ng l\u00e0m n\u1ed5i.<\/p>\n

\"Ayre
\nAyre Acoustics AX-7e v\u00e0 CX-7eMP c\u00f3 ch\u1ea5t \u00e2m \u0111\u1ed9c \u0111\u00e1o s\u1ebd tr\u1edf th\u00e0nh
\n\u0111\u1ed1i th\u1ee7 n\u1eb7ng k\u00fd c\u1ee7a c\u00e1c \u0111\u1ea7u l\u1ecdc v\u00e0 ampli hi-end c\u00f9ng t\u1ea7m gi\u00e1<\/b><\/i><\/p>\n

Kh\u00f4ng ch\u1ec9 ti\u1ebfng bass, n\u1ebfu b\u1ecf qua d\u1ea3i trung v\u00e0 \u0111\u1eb7c bi\u1ec7t d\u1ea3i cao c\u1ee7a b\u1ed9 \u0111\u00f4i n\u00e0y, th\u00ec qu\u1ea3 l\u00e0 thi\u1ebfu s\u00f3t l\u1edbn. Trong su\u1ed1t, t\u01b0\u01a1i s\u00e1ng, m\u01b0\u1ee3t nh\u01b0 l\u1ee5a v\u00e0 r\u1ea5t gi\u00e0u chi ti\u1ebft, \u0111\u00f3 l\u00e0 nh\u1eefng g\u00ec ch\u00fang t\u00f4i nh\u1eadn th\u1ea5y khi th\u1eed qua r\u1ea5t nhi\u1ec1u \u0111\u0129a nh\u1ea1c kh\u00e1c nhau. Th\u00eam v\u00e0o \u0111\u00f3 l\u00e0 kh\u1ea3 n\u0103ng t\u00e1i hi\u1ec7n \u00e2m h\u00ecnh ch\u00e2n th\u1ef1c, c\u00f3 chi\u1ec1u s\u00e2u \u0111\u1eb7c tr\u01b0ng v\u1edbi t\u1eebng nh\u1ea1c c\u1ee5 ri\u00eang bi\u1ec7t tr\u00ean s\u00e2n kh\u1ea5u. B\u1ed9 \u0111\u00f4i Ayre c\u00f2n c\u00f3 kh\u1ea3 n\u0103ng b\u1ea3o to\u00e0n ch\u1ea5t m\u1ed9c m\u1ea1c, quy\u1ebfn r\u0169, nh\u01b0ng l\u1ea1i r\u1ea5t \u201ckh\u00f3 t\u00ednh\u201d c\u1ee7a nh\u1eefng b\u1ea3n nh\u1ea1c c\u0169.<\/p>\n

Album Songbook c\u1ee7a Ella Fitzgerald \u0111\u01b0\u1ee3c ghi \u00e2m v\u00e0o cu\u1ed1i th\u1eadp ni\u00ean 50, \u0111\u1ea7u th\u1eadp ni\u00ean 60 (th\u1ebf k\u1ef7 XX), nh\u1ea5t l\u00e0 b\u00e0i \u201cFasscinatin\u2019 Rhythm\u201d, ti\u1ebfng tr\u1ed1ng v\u00e0 ti\u1ebfng sax th\u1ef1c s\u1ef1 c\u1ee9ng c\u00e1p v\u00e0 \u0111\u1ea7y chi ti\u1ebft, nh\u01b0ng r\u1ea5t d\u1ec5 v\u1ee1 v\u1ee5n. Song \u0111i\u1ec1u \u0111\u00f3 kh\u00f4ng x\u1ea3y ra v\u1edbi AX-7e\/CX-7eMP. Thay v\u00e0o \u0111\u00f3 l\u00e0 s\u1ee9c m\u1ea1nh rung chuy\u1ec3n m\u1eb7t \u0111\u1ea5t c\u1ee7a ti\u1ebfng tr\u1ed1ng, c\u00e0m gi\u00e1c khu\u1ea5y \u0111\u1ed9ng c\u1ee7a trumpet v\u00e0 trom-bone c\u00f9ng ti\u1ebfng c\u1ee7a c\u00e1c nh\u1ea1c c\u1ee5 d\u00e2y cao v\u00fat l\u1ea1 th\u01b0\u1eddng. Gi\u1ecdng h\u00e1t c\u1ee7a Ella \u0111\u1ea7y \u0111\u1eb7n v\u00e0 trong v\u1eaft \u0111\u1ebfn kh\u00f3 c\u00f3 th\u1ec3 tin l\u00e0 ch\u00fang t\u00f4i \u0111ang ghe \u0111\u0129a nh\u1ea1c \u0111\u00e3 ghi \u00e2m h\u01a1n n\u1eefa th\u1ebf k\u1ef7. H\u1ebft \u0111\u0129a n\u00e0y qua \u0111\u0129a kh\u00e1c, cu\u1ed9c nghe th\u1ea9m \u0111\u1ecbnh c\u1ee7a ch\u00fang t\u00f4i b\u1ed7ng bi\u1ebfn th\u00e0nh bu\u1ed5i th\u01b0\u1edfng th\u1ee9c \u00e2m nh\u1ea1c l\u00fac n\u00e0o kh\u00f4ng bi\u1ebft. B\u1edfi b\u1ed9 \u0111\u00f4i n\u00e0y th\u1ec3 hi\u1ec7n m\u00e0n tr\u00ecnh di\u1ec5n c\u1ef1c k\u1ef3 cu\u1ed1n h\u00fat.<\/p>\n

K\u1ebeT LU\u1eacN<\/b>
\nHi\u1ebfm c\u00f3 \u00e2m thanh hi-end t\u1ea7m trung n\u00e0o \u0111em l\u1ea1i ch\u1ea5t \u00e2m trong tr\u1ebbo, ti\u1ebfng bass s\u00e2u, r\u1ea5t gi\u00e0u chi ti\u1ebft v\u00e0 kh\u1ea3 n\u0103ng th\u1ec3 hi\u1ec7n \u00e2m nh\u1ea1c xu\u1ea5t s\u1eafc \u1edf nhi\u1ec1u th\u1ec3 lo\u1ea1i nh\u01b0 b\u1ed9 \u0111\u00f4i n\u00e0y \u0111em l\u1ea1i v\u01b0\u1ee3t qu\u00e1 k\u1ef3 v\u1ecdng c\u1ee7a b\u1ea1n. Ch\u1eafc ch\u1eafn b\u1ea1n s\u1ebd ch\u00ecm \u0111\u1eafm v\u00e0 t\u1eadn h\u01b0\u1edfng kh\u00f4ng gian t\u01b0\u01a1i m\u00e1t, trung th\u1ef1c m\u00e0 kh\u00f4ng bao gi\u1edd ch\u00e1n.<\/p>\n

Kim Th\u1ea1ch – NNVN
\nNgu\u1ed3n: Hifivietnam.vn<\/a>
\n<\/b><\/i><\/p>\n","protected":false},"excerpt":{"rendered":"

HFVN – V\u1edbi m\u1ee9c gi\u00e1 7.000USD\/b\u1ed9, nhi\u1ec1u ng\u01b0\u1eddi cho r\u1eb1ng Ayre Acoustics AX-7e v\u00e0 CX-7eMP c\u00f3 ch\u1ea5t \u00e2m \u0111\u1ed9c \u0111\u00e1o s\u1ebd tr\u1edf th\u00e0nh \u0111\u1ed1i th\u1ee7 n\u1eb7ng k\u00fd c\u1ee7a c\u00e1c \u0111\u1ea7u l\u1ecdc v\u00e0 ampli hi-end c\u00f9ng t\u1ea7m gi\u00e1. N\u1ebfu m\u1ed9t l\u1ea7n \u0111\u01b0\u1ee3c th\u01b0\u1edfng th\u1ee9c \u00e2m thanh c\u1ee7a b\u1ed9 \u0111\u00f4i n\u00e0y, ch\u1eafc b\u1ea1n c\u0169ng c\u00f3 c\u00f9ng suy…<\/p>\n","protected":false},"author":1,"featured_media":41217,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"footnotes":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":[]},"categories":[1],"tags":[],"class_list":["post-41216","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chua-phan-loai","category-1","description-off"],"jetpack_publicize_connections":[],"yoast_head":"\n[Review] Ayre Acoustics AX-7e v\u00e0 CX-7eMP: \u0110\u1ed1i th\u1ee7 n\u1eb7ng k\u00fd<\/title>\n<meta name=\"description\" content=\"Kh\u00f4ng ng\u1ee7 qu\u00ean tr\u00ean 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