{"id":1878,"date":"2014-10-17T16:51:34","date_gmt":"2014-10-17T09:51:34","guid":{"rendered":"http:\/\/www.saigonstereo.com\/home\/?p=1878"},"modified":"2019-07-10T13:41:42","modified_gmt":"2019-07-10T06:41:42","slug":"cd22-i22-bo-doi-moi-cua-primare","status":"publish","type":"post","link":"https:\/\/www.saigonstereo.com\/home\/cd22-i22-bo-doi-moi-cua-primare\/","title":{"rendered":"CD22 & I22 – B\u1ed9 \u0111\u00f4i m\u1edbi c\u1ee7a Primare"},"content":{"rendered":"

HFVN – Ti\u1ebfp theo phi\u00ean b\u1ea3n n\u00e2ng c\u1ea5p cho Series 30, b\u1ea3n n\u00e2ng c\u1ea5p cho Series 20 c\u0169ng v\u1eeba \u0111\u01b0\u1ee3c Primare cho ra m\u1eaft v\u1edbi t\u00ean g\u1ecdi m\u1edbi: CD22 v\u00e0 I22. Th\u1eeba h\u01b0\u1edfng nh\u1eefng \u01b0u \u0111i\u1ec3m s\u1eb5n c\u00f3 t\u1eeb CD21 v\u00e0 I21, b\u1ed9 \u0111\u00f4i CD22 v\u00e0 I22 m\u1edbi c\u00f2n \u0111\u01b0\u1ee3c b\u1ed5 sung th\u00eam r\u1ea5t nhi\u1ec1u c\u1ea3i ti\u1ebfn nh\u01b0: k\u1ebft n\u1ed1i USB, kh\u1ea3 n\u0103ng n\u00e2ng c\u1ea5p module DAC r\u1eddi…<\/p>\n

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B\u1ed9 \u0111\u00f4i m\u1edbi c\u1ee7a Primare: CD22 (tr\u00ean) v\u00e0 I22 (d\u01b0\u1edbi)<\/p><\/div>\n

\u0110\u1ea7u ph\u00e1t CD22<\/strong><\/p>\n

Model CD22 l\u00e0 s\u1ef1 k\u1ebf th\u1eeba v\u00e0 n\u00e2ng c\u1ea5p cho d\u00f2ng m\u00e1y CD21 v\u1ed1n \u0111\u00e3 g\u1eb7t h\u00e1i \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u th\u00e0nh c\u00f4ng tr\u01b0\u1edbc \u0111\u00f3. M\u00e1y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi khung v\u1ecf nh\u00f4m d\u00e0y, n\u1eb7ng v\u00e0 \u0111\u01b0\u1ee3c c\u00e1ch ly ho\u00e0n to\u00e0n v\u1edbi c\u00e1c rung ch\u1ea5n b\u00ean ngo\u00e0i.<\/p>\n

Trang b\u1ecb chip gi\u1ea3i m\u00e3 Burr-Brown PCM1792 DAC c\u00f3 kh\u1ea3 n\u0103ng x\u1eed l\u00fd c\u00e1c t\u1ea7n s\u1ed1 l\u1ea5y m\u1eabu 44.1\/48\/96 hay th\u1eadm ch\u00ed l\u00e0 192kHz, s\u00f2 MOSFET ch\u1ee7 \u0111\u1ed9ng, c\u00f4ng ngh\u1ec7 SMD v\u1edbi thi\u1ebft k\u1ebf \u0111\u01b0\u1eddng d\u1eabn m\u1ea1ch t\u00edn hi\u1ec7u t\u00e1ch bi\u1ec7t v\u00e0 ng\u1eafn nh\u1ea5t c\u00f3 th\u1ec3, nh\u1edd v\u1eady gi\u1ea3m t\u1ed1i \u0111a c\u00e1c nhi\u1ec5u ph\u00e1t sinh trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng.<\/p>\n

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C\u00e1c c\u1ed5ng k\u1ebft n\u1ed1i ph\u00eda sau CD22<\/p><\/div>\n

Ph\u1ea7n ngu\u1ed3n c\u1ee7a kh\u1ed1i hi\u1ec3n th\u1ecb, kh\u1ed1i \u0111i\u1ec1u khi\u1ec3n v\u00e0 kh\u1ed1i t\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c t\u00e1ch bi\u1ec7t ho\u00e0n to\u00e0n. Ngo\u00e0i ra, m\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb c\u00f2n c\u00f3 ch\u1ee9c n\u0103ng \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng cho ph\u00f9 h\u1ee3p v\u1edbi kh\u00f4ng gian ph\u00f2ng nghe. Ch\u1ee9c n\u0103ng n\u00e0y c\u00f2n \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi \u00e2m pli t\u00edch h\u1ee3p c\u00f9ng series I22 th\u00f4ng qua ng\u00f5 k\u1ebft n\u1ed1i IR, khi \u0111\u00f3, m\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb c\u1ee7a c\u1ea3 hai thi\u1ebft b\u1ecb s\u1ebd c\u00f3 c\u00f9ng \u0111\u1ed9 s\u00e1ng v\u1edbi nhau.<\/p>\n

M\u1ed9t t\u00ednh n\u0103ng \u0111\u1eb7t bi\u1ec7t kh\u00e1c c\u1ee7a CD22 l\u00e0 kh\u1ea3 n\u0103ng ph\u00e1t c\u00e1c file nh\u1ea1c \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong USB hay \u1ed5 c\u1ee9ng di \u0111\u1ed9ng… \u0110i\u1ec1u n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng t\u1eeb r\u1ea5t l\u00e2u cho c\u00e1c s\u1ea3n ph\u1ea9m hifi b\u00ecnh d\u00e2n v\u00e0 l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng c\u00e1c c\u00e1c thi\u1ebft k\u1ebf \u0111\u1ea7u ph\u00e1t Hi-end. T\u1eadn d\u1ee5ng tri\u1ec7t \u0111\u1ec3 hi\u1ec7u qu\u1ea3 c\u1ee7a b\u1ed9 gi\u1ea3i m\u00e3 b\u00ean trong, kh\u00e1 n\u0103ng ch\u1ed1ng rung tuy\u1ec7t \u0111\u1ed1i (v\u00ec file \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean b\u1ed9 nh\u1edb flash c\u1ee7a USB, kh\u00f4ng c\u00f3 b\u1ea5t k\u1ef3 chuy\u1ec3n \u0111\u1ed9ng c\u01a1 kh\u00ed n\u00e0o), b\u1ea1n s\u1ebd ph\u1ea3i ng\u1ea1c nhi\u00ean v\u00ec ch\u1ea5t l\u01b0\u1ee3ng tr\u00ecnh b\u00e0y c\u1ee7a c\u00e1c file nh\u1ea1c n\u00e0y.<\/p>\n

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  • Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt CD22:<\/strong><\/li>\n<\/ul>\n

    C\u01a1 \/ m\u1eaft \u0111\u1ecdc:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Asatech 8210.B01-02, Sanyo SF-P101N
    \nB\u1ed9 gi\u1ea3i m\u00e3 t\u00edn hi\u1ec7u:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1x PCM1792, 24\/192 kHz
    \nNg\u00f5 ra Analogue:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1 pair RCA, 2.1 Vrms
    \nTr\u1edf kh\u00e1ng ng\u00f5 ra:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 100 \u038f
    \nNg\u00f5 ra Digital:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1x S\/PDIF (RCA); 1x optical (TOSLINK)
    \nT\u1ea7n s\u1ed1 \u0111\u00e1p \u1ee9ng:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 20Hz \u2013 20 kHz -0.5dB
    \nNhi\u1ec5u S\/N:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 20Hz \u2013 20kHz unweighted -100dB
    \nTHD + N:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 20Hz \u2013 20kHz <0.01%
    \nNg\u00f5 k\u1ebft n\u1ed1i kh\u00e1c:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Inputs USB interface; IR input 3.5mm; RS232; Trigger in\/out 3.5mm
    \nC\u00f4ng su\u1ea5t ti\u00eau th\u1ee5:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0.3W (ch\u1ebf \u0111\u1ed9 ch\u1edd); 25W (ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng)
    \nK\u00edch th\u01b0\u1edbc: (wxdxh)\u00a0\u00a0\u00a0\u00a0\u00a0 430 x 375 x 106 mm
    \nTr\u1ecdng l\u01b0\u1ee3ng:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 10.5 kg
    \nM\u00e0u:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u0111en ho\u1eb7c b\u1ea1c<\/p>\n

    Ampli t\u00edch h\u1ee3p I22<\/strong><\/p>\n

    \u0110\u01b0\u1ee3c trang b\u1ecb m\u1ea1ch c\u00f4ng su\u1ea5t class D v\u1edbi c\u00f4ng su\u1ea5t 80W\/k\u00eanh\/8ohm v\u00e0 160W\/k\u00eanh\/4ohm; \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 UFPD (Ultra Fast Power Device) \u0111\u1ed9c quy\u1ec1n c\u1ee7a Primare, nh\u1edd v\u1eady I22 c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u1edf m\u1ee9c c\u00f4ng su\u1ea5t cao v\u1edbi \u0111\u1ed9 m\u00e9o \u00e2m r\u1ea5t th\u1ea5p. Ngo\u00e0i ra I22 c\u00f2n t\u1ef1 h\u00e0o l\u00e0 m\u1ed9t s\u1ea3n ph\u1ea9m thi\u1ebft k\u1ebf th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng, m\u1ee9c \u0111i\u1ec7n n\u0103ng ti\u00eau th\u1ee5 khi ho\u1ea1t \u0111\u1ed9ng \u1edf ch\u1ebf \u0111\u1ed9 ch\u1edd ch\u1ec9 c\u00f3 0.3W.<\/p>\n

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    C\u00e1c ng\u00f5 k\u1ebft n\u1ed1i ph\u00eda sau I22 \u0111\u00e3 n\u00e2ng c\u1ea5p module DAC r\u1eddi<\/p><\/div>\n

    B\u00ean trong v\u1ecf m\u00e1y kh\u00e1 n\u1eb7ng c\u1ee7a I22 l\u00e0 hai kh\u1ed1i c\u00f4ng su\u1ea5t class D \u0111\u1ed9c l\u1eadp v\u1edbi ph\u1ea7n c\u1ea5p ngu\u1ed3n ri\u00eang bi\u1ec7t cho t\u1ea7ng preamp v\u00e0 t\u1ea7n ampli c\u00f4ng su\u1ea5t. To\u00e0n b\u1ed9 m\u1ea1ch \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi \u0111\u01b0\u1ee3c d\u1eabn c\u1ef1c ng\u1eafn, c\u00e1c thao t\u00e1c v\u1edbi t\u00edn hi\u1ec7u (volume, selector..) \u0111\u1ec1u \u1edf d\u1ea1ng t\u00edn hi\u1ec7u analogue \u0111\u00e3 x\u1eed l\u00fd.<\/p>\n

    C\u00e1c thi\u1ebft k\u1ebf Class D th\u00f4ng th\u01b0\u1eddng s\u1ebd mang l\u1ea1i c\u00f4ng su\u1ea5t cao h\u01a1n v\u1edbi thi\u1ebft k\u1ebf m\u1ea1ch nh\u1ecf g\u1ecdn h\u01a1n. Tuy nhi\u00ean, Class D th\u00f4ng th\u01b0\u1eddng l\u1ea1i c\u00f3 t\u1ec9 s\u1ed1 bi\u1ebfn d\u1ea1ng l\u1edbn, c\u00f4ng su\u1ea5t c\u00e0ng cao, bi\u1ebfn d\u1ea1ng c\u00e0ng nhi\u00eau. \u0110\u00f3 c\u0169ng ch\u00ednh l\u00e0 l\u00fd do c\u00f4ng ngh\u1ec7 UFPD c\u1ee7a Primare \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n v\u00e0 ra \u0111\u1eddi. Thay v\u00ec m\u1ed9t ampli th\u00f4ng th\u01b0\u1eddng bao g\u1ed3m ph\u1ea7n khu\u1ebfch \u0111\u1ea1i v\u00e0 ph\u1ea7n l\u1ecdc \u0111\u01b0\u1ee3c t\u00e1ch ri\u00eang bi\u1ec7t. C\u00f4ng ngh\u1ec7 UFPD k\u1ebft h\u1ee3p c\u00f9ng l\u00fac c\u1ea3 hai ph\u1ea7n n\u00e0y, ki\u1ec3m so\u00e1t th\u00f4ng tin t\u00edn hi\u1ec7u ph\u1ea3n h\u1ed3i ngay l\u1eadp t\u1ee9c v\u00e0 ch\u00ednh x\u00e1c h\u01a1n nhi\u1ec1u. Nh\u1edd v\u1eady, ampli c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t m\u1ed9t c\u00e1ch t\u00edch c\u1ef1c v\u00e0 duy tr\u00ec hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh b\u1ea5t k\u1ec3 tr\u1edf kh\u00e1ng t\u1ea3i.<\/p>\n

    \u0110i k\u00e8m v\u1edbi c\u00f4ng ngh\u1ec7 UFPD l\u00e0 c\u00f4ng ngh\u1ec7 PFC (Power Factor Control) gi\u00fap ki\u1ec3m so\u00e1t ngu\u1ed3n t\u1ed1t h\u01a1n, ngo\u00e0i ra, PFC c\u00f2n ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t b\u1ed9 l\u1ecdc ngu\u1ed3n EMI, mang \u0111\u1ebfn m\u1ed9t m\u00f4i tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng ho\u00e0n to\u00e0n s\u1ea1ch cho I22.<\/p>\n

    Board m\u1ea1ch DAC r\u1eddi:<\/strong><\/p>\n

    Model I22 c\u00f2n c\u00f3 th\u00eam m\u1ed9t t\u00f9y ch\u1ecdn cho ng\u01b0\u1eddi d\u00f9ng \u0111\u00f3 l\u00e0 kh\u1ea3 n\u0103ng g\u1eafn th\u00eam bo m\u1ea1ch gi\u1ea3i m\u00e3 r\u1eddi. Theo \u0111\u00f3, ng\u01b0\u1eddi d\u00f9ng s\u1ebd c\u00f3 th\u00eam 3 c\u1ed5ng k\u1ebft n\u1ed1i m\u1edbi: 01 c\u1ed5ng isochronous USB-B (16-24bit\/44.1-96kHz), 01 c\u1ed5ng optical (16-24bit\/44.1-192kHz), v\u00e0 01 c\u1ed5ng S\/PDIF (16-24bit\/44.1-192kHz).<\/p>\n

    Bo m\u1ea1ch gi\u1ea3i m\u00e3 \u0111\u01b0\u1ee3c trang b\u1ecb 02 chip: Analog Devices\u2019 AD1855 and TI\u2019s PCM1792A. Ri\u00eang ph\u1ea7n USB Streaming (d\u00f9ng gi\u1ea3i m\u00e3 t\u00edn hi\u1ec7u ph\u00e1t t\u1eeb m\u00e1y t\u00ednh th\u00f4ng qua k\u1ebft n\u1ed1i USB) \u0111\u01b0\u1ee3c \u0111\u1ea3m nh\u1eadn b\u1edfi chip TAS1020B.<\/p>\n

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    • Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt:<\/strong><\/li>\n<\/ul>\n

      C\u00f4ng su\u1ea5t:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2x 80W at 8\u03a9, 2x 160W at 4\u03a9
      \nNg\u00f5 v\u00e0o Analogue Inputs:\u00a0\u00a0\u00a0\u00a0\u00a0 4 pair RCA (L & R)
      \nBo m\u1ea1ch DAC (t\u00f9y ch\u1ecdn n\u00e2ng c\u1ea5p th\u00eam):
      \n1x USB-B input
      \n1x Digital Optical input (1 TOSLINK)
      \n1x Digital Coaxial input (1 RCA jack)
      \nTr\u1edf kh\u00e1ng ng\u00f5 v\u00e0o:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 15k\u03a9
      \nNg\u00f5 ra Analogue Record:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1 pair RCA (L & R)
      \nNg\u00f5 Pre Out:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1 pair RCA (L & R)
      \nTr\u1edf kh\u00e1ng ng\u00f5 ra RCA:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 94\u03a9
      \nT\u1ea7n s\u1ed1 \u0111\u00e1p \u1ee9ng:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 10Hz \u2013 20kHz, -0.5dB
      \nTHD + N:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 < 0.05%, 20Hz \u2013 20kHz, 10W at 8\u03a9
      \nT\u1ec9 s\u1ed1 nhi\u1ec5u S\/N:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 -95dB
      \nC\u00f4ng su\u1ea5t ti\u00eau th\u1ee5:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0.3W (ch\u1ebf \u0111\u1ed9 ch\u1edd); 19W (ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng)
      \nK\u00edch th\u01b0\u1edbc (wxdxh): \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0 430 x 420 x 106 mm
      \nTr\u1ecdng l\u01b0\u1ee3ng: \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0 10 kg
      \nM\u00e0u:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u0111en ho\u1eb7c b\u1ea1c<\/p>\n

      Th\u00f9y An – Hifivietnam<\/strong><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

      HFVN – Ti\u1ebfp theo phi\u00ean b\u1ea3n n\u00e2ng c\u1ea5p cho Series 30, b\u1ea3n n\u00e2ng c\u1ea5p cho Series 20 c\u0169ng v\u1eeba \u0111\u01b0\u1ee3c Primare cho ra m\u1eaft v\u1edbi t\u00ean g\u1ecdi m\u1edbi: CD22 v\u00e0 I22. Th\u1eeba h\u01b0\u1edfng nh\u1eefng \u01b0u \u0111i\u1ec3m s\u1eb5n c\u00f3 t\u1eeb CD21 v\u00e0 I21, b\u1ed9 \u0111\u00f4i CD22 v\u00e0 I22 m\u1edbi c\u00f2n \u0111\u01b0\u1ee3c b\u1ed5 sung th\u00eam r\u1ea5t nhi\u1ec1u…<\/p>\n","protected":false},"author":1,"featured_media":1879,"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":false,"jetpack_social_options":[]},"categories":[12,15],"tags":[95],"class_list":["post-1878","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-danh-gia-review","category-tin-tuc","tag-primare","category-12","category-15","description-off"],"jetpack_publicize_connections":[],"yoast_head":"\nCD22 & I22 - B\u1ed9 \u0111\u00f4i m\u1edbi c\u1ee7a Primare - SaigonStereo<\/title>\n<meta name=\"description\" content=\"CD22 l\u00e0 kh\u1ea3 n\u0103ng ph\u00e1t c\u00e1c file nh\u1ea1c \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong USB hay \u1ed5 c\u1ee9ng di \u0111\u1ed9ng... \u0110i\u1ec1u n\u00e0y l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng c\u00e1c c\u00e1c thi\u1ebft k\u1ebf \u0111\u1ea7u ph\u00e1t Hi-end.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.saigonstereo.com\/home\/cd22-i22-bo-doi-moi-cua-primare\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CD22 & I22 - 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