关于MX300和SQ2200

jessekelly

达人看看
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7 \! r! S, o0 Q是不是SQ2200没有子卡接口那的芯片？
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5 f5 D+ F. P! t$ }  V) n9 b0 L% `2 F如果有子卡接口那的芯片但codec是tritech的28028是不是肯定是寨卡的MX300？

sd-iori

原帖由 jessekelly 于 2006-7-25 20:57 发表
达人看看
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是不是SQ2200没有子卡接口那的芯片？
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如果有子卡接口那的芯片但codec是tritech的28028是不是肯定是寨卡的MX300？

不会是tritech的

jessekelly

那么寨卡和原厂mx300听感上有什么区别呢，我看寨卡的RMAA参数也很好嘛，至少比乌龟的8830要好
Mx300
RightMark Audio Analyzer test
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, y: l; x' x1 ~Testing chain: External loopback (line-out - line-in)
& b" m' n2 C; K& q- T% M6 }5 d5 P$ SSampling mode: 16-bit, 44 kHz


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6 O- D6 ]: t4 }4 {9 Q; q8 m' zSummary
Frequency response (from 40 Hz to 15 kHz), dB: +0.14, -0.26 Good
( e% n6 |* g; f" B$ MNoise level, dB (A): -88.7 Good
Dynamic range, dB (A): 88.3 Good
3 w  q% Z& E8 A* n( nTHD, %: 0.0065 Very good
IMD + Noise, %: 0.019 Very good
Stereo crosstalk, dB: -87.4 Excellent
IMD at 10 kHz, %: 0.030 Good

jessekelly

Frequence response

jessekelly

Turtle AU8830 外录
RightMark Audio Analyzer test
0 ]3 A( x: Y* v. f7 D( ]% M2 WTesting chain: External loopback (line-out - line-in)
2 d3 R5 k9 [2 _Sampling mode: 16-bit, 44 kHz

# Q+ ^7 f8 _  _Summary
Frequency response (from 40 Hz to 15 kHz), dB: +0.21, -1.29 Average
Noise level, dB (A): -81.2 Good
# Q: Z8 g. T+ q$ XDynamic range, dB (A): 80.9 Good
* r5 Y$ O8 ?  F$ h9 ^# W# iTHD, %: 0.0075 Very good
IMD + Noise, %: 0.032 Good
Stereo crosstalk, dB: -83.2 Very good
/ `  e$ ~' n; {IMD at 10 kHz, %: 0.040 Good

smty1111

寨卡做好了和正品在音质上差别很小的。

sd-iori

原帖由 smty1111 于 2006-7-26 15:43 发表
寨卡做好了和正品在音质上差别很小的。

:thumbsup:～～～～～～

sd-iori

原帖由 jessekelly 于 2006-7-26 14:06 发表
' c- ?- }' U" }3 o4 _Turtle AU8830 外录
RightMark Audio Analyzer test
8 c% E7 w/ W0 X5 o$ \. e; u: g7 hTesting chain: External loopback (line-out - line-in)
8 S1 G8 i+ ?8 ]9 T. s% {Sampling mode: 16-bit, 44 kHz
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Summary
9 Z2 ~1 W' j5 i# {; b: S1 w# GFrequency response (from 40 Hz to 15 kHz), dB: +0 ...

- E( C6 S2 ^; S0 A1 B- D:whistling:MX300就是这个水平，，

jessekelly

谁上张原厂卡的ＲＭＡＡ？

jessekelly

自顶一下　。！＃