你最好先明白A4P和X-FI MUSIC什么的不是低端和高端的关系……。A4P可是前代创新旗舰。用料不输给EP的,声卡这东西,更新换代并不迅速,小夜曲,幻想曲不是什么新产品了,很多几千元甚至上万元的老声卡都是数年前的产品了。
另外关于小夜曲和幻想曲,第一,幻想曲并不是2000元级别的声卡。幻想曲价格在800左右。第二,不要说声卡只追求声音方面的功能。如果真是这样,那世界上都生产小夜曲这种功能单一的声卡好了。而实际情况是,小夜曲这个价位的声卡,大多数功能都很全面,单一追求声音效果的声卡反而是少数,市场的需求决定了一切。别人追求的东西也许和你追求的不一样。所以需要的声卡也不同。
如果你真想说小夜曲比幻想曲好。请先分清楚了运放和芯片的区别。其次,关于运放的结论,我听到的可是另外一个版本,我的朋友跟我说,N5532虽然以前号称运放之皇,但已经老了,在不少人眼里JRC 4580要强于N5532的。JRC 4580在非常多的高端声卡上使用。已经可以证明其实力,具体对比用数据更能说明问题。
先看下彼此的RMAA成绩,先是幻想曲的。
Summary| Frequency response (from 40 Hz to 15 kHz), dB: | +0.01, -0.01 | Excellent | | Noise level, dB (A): | -98.7 | Excellent | | Dynamic range, dB (A): | 92.9 | Very good | | THD, %: | 0.0014 | Excellent | | IMD + Noise, %: | 0.0059 | Excellent | | Stereo crosstalk, dB: | -98.2 | Excellent | | IMD at 10 kHz, %: | 0.0033 | Excellent |
General performance: ExcellenFrequency response [img=http://www.sinaimg.cn/IT/h/2007-09-30/ae9d52f5f1acde1a0359b83d77c2522c.png]海之槛歌!德国坦克幻想曲Hifier声卡[/img] | Frequency range | Response | | From 20 Hz to 20 kHz, dB | -1.65, +0.01 | | From 40 Hz to 15 kHz, dB | -0.01, +0.01 |
Noise level [img=http://www.sinaimg.cn/IT/h/2007-09-30/cb0c1c3b47925f22294f27256c9226e3.png]海之槛歌!德国坦克幻想曲Hifier声卡[/img] | Parameter | Left | Right | | RMS power, dB: | -96.4 | -96.3 | | RMS power (A-weighted), dB: | -98.6 | -98.7 | | Peak level, dB FS: | -81.6 | -81.6 | | DC offset, %: | -0.00 | -0.00 |
Dynamic range [img=http://www.sinaimg.cn/IT/h/2007-09-30/77dec79cdf952305c386b8aa7798d660.png]海之槛歌!德国坦克幻想曲Hifier声卡[/img] | Parameter | Left | Right | | Dynamic range, dB: | +92.1 | +92.1 | | Dynamic range (A-weighted), dB: | +92.9 | +93.0 | | DC offset, %: | -0.00 | -0.00 |
THD + Noise (at -3 dB FS) [img=http://www.sinaimg.cn/IT/h/2007-09-30/26391a62938a875f51fbe601b49da3ef.png]海之槛歌!德国坦克幻想曲Hifier声卡[/img] | Parameter | Left | Right | | THD, %: | 0.0015 | 0.0014 | | THD + Noise, %: | 0.0048 | 0.0048 | | THD + Noise (A-weighted), %: | 0.0043 | 0.0043 |
Intermodulation distortion [img=http://www.sinaimg.cn/IT/h/2007-09-30/dbdc4314d311c1a6eb217311fc6f0519.png]海之槛歌!德国坦克幻想曲Hifier声卡[/img] | Parameter | Left | Right | | IMD + Noise, %: | 0.0059 | 0.0059 | | IMD + Noise (A-weighted), %: | 0.0051 | 0.0051 |
Stereo crosstalk [img=http://www.sinaimg.cn/IT/h/2007-09-30/e528391ac9e9e23c4b0d7a03e382cbcb.png]海之槛歌!德国坦克幻想曲Hifier声卡[/img] | Parameter | L <- R | L -> R | | Crosstalk at 100 Hz, dB: | -99 | -98 | | Crosstalk at 1 kHz, dB: | -97 | -97 | | Crosstalk at 10 kHz, dB: | -97 | -98 |
IMD (swept tones) [img=http://www.sinaimg.cn/IT/h/2007-09-30/c70c7e60bf9b78e03dd26d14249558c0.png]海之槛歌!德国坦克幻想曲Hifier声卡[/img] | Parameter | Left | Right | | IMD + Noise at 5 kHz, %: | 0.0032 | 0.0032 | | IMD + Noise at 10 kHz, %: | 0.0033 | 0.0033 | | IMD + Noise at 15 kHz, %: | 0.0035 | 0.0035 |
然后是小夜曲的:
Summary| Frequency response (from 40 Hz to 15 kHz), dB | +0.02, -0.09 | Excellent | | Noise level, dB (A) | -90.7 | Very good | | Dynamic range, dB (A) | 90.6 | Very good | | THD, % | 0.0053 | Very good | | THD + Noise, dB (A) | -79.2 | Average | | IMD + Noise, % | 0.014 | Very good | | Stereo crosstalk, dB | -90.9 | Excellent | | IMD at 10 kHz, % | 0.011 | Very good | | General performance |
| Very good |
Frequency response[img=http://www.beareyes.com.cn/2/lib/200807/14/011/fr.png]Spectrum[/img]
| From 20 Hz to 20 kHz, dB | -0.24, +0.05 | | From 40 Hz to 15 kHz, dB | -0.09, +0.02 |
Noise level[img=http://www.beareyes.com.cn/2/lib/200807/14/011/noise.png]Spectrum[/img]
| | Left | Right | | RMS power, dB | -89.7 | -89.4 | | RMS power (A-weighted), dB | -90.8 | -90.6 | | Peak level, dB FS | -66.7 | -66.2 | | DC offset, % | +0.0 | +0.0 |
Dynamic range[img=http://www.beareyes.com.cn/2/lib/200807/14/011/dynamics.png]Spectrum[/img]
| | Left | Right | | Dynamic range, dB | +89.8 | +89.5 | | Dynamic range (A-weighted), dB | +90.7 | +90.5 | | DC offset, % | -0.00 | -0.00 |
THD + Noise (at -3 dB FS)[img=http://www.beareyes.com.cn/2/lib/200807/14/011/thd.png]Spectrum[/img]
| | Left | Right | | THD, % | +0.0053 | +0.0053 | | THD + Noise, % | +0.0112 | +0.0111 | | THD + Noise (A-weighted), % | +0.0110 | +0.0109 |
Intermodulation distortion[img=http://www.beareyes.com.cn/2/lib/200807/14/011/imd.png]Spectrum[/img]
| | Left | Right | | IMD + Noise, % | +0.0136 | +0.0134 | | IMD + Noise (A-weighted), % | +0.0101 | +0.0101 |
Stereo crosstalk[img=http://www.beareyes.com.cn/2/lib/200807/14/011/cross.png]Spectrum[/img]
| | Left | Right | | Crosstalk at 100 Hz, dB | -91 | -92 | | Crosstalk at 1000 Hz, dB | -90 | -89 | | Crosstalk at 10000 Hz, dB | -88 | -88 |
IMD (swept tones)[img=http://www.beareyes.com.cn/2/lib/200807/14/011/imdswept.png]Spectrum[/img]
| | Left | Right | | IMD + Noise at 5000 Hz, | 0.0115 | 0.0110 | | IMD + Noise at 10000 Hz, | 0.0110 | 0.0105 | | IMD + Noise at 15000 Hz, | 0.0106 | 0.0106 |
从测试来看,两者差距并不算小了。不知道小夜曲音乐实力好于幻想曲的结论从何而来?不要小看幻想曲的那个外置盒。可以让声音更干净。这也是我这一段时间最满意幻想曲的地方,声音的处理在外置盒里完成。可以避免来自机箱的干扰。尤其是大多数家用电脑,由于电源,主板,机箱在使用上并不太讲究,来自机箱的干扰是很容易影响到声音的。外置盒的优势从RMAA可以很清楚的反映出来。 |