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再现辉煌 乌龟海岸MontegoDDL7.1声卡
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【原创】 作者:小熊在线－chris 2008年03月26日
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［文章简介］
Turtle Beach（乌龟海岸）是美国的一家老牌声卡制造商，当年和帝盟、傲锐齐名。现在，傲锐被收购了，帝盟破产了，TurtleBeach还在... (7581 字)
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RightMark Audio Analyzer test report
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Testing device |
2448 |
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Sampling mode |
24-bit, 48 kHz |
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Interface |
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Testing chain |
External loopback (line-out - line-in) |
| RMAA
Version |
6.0.6 |
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| 20
Hz - 20 kHz filter |
ON |
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Normalize amplitude |
ON |
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Level change |
-0.1
dB / -0.0 dB |
| Mono
mode |
OFF |
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Calibration singal, Hz |
1000 |
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Polarity |
correct/correct |
Summary
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Frequency response (from 40 Hz to 15 kHz), dB |
+0.04, -0.14
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Very good
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Noise level, dB (A) |
-97.6
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Excellent
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Dynamic range, dB (A) |
97.6
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Excellent
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| THD,
% |
0.0050
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Very good
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| THD
+ Noise, dB (A) |
-83.2
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Good
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| IMD
+ Noise, % |
0.0077
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Excellent
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Stereo crosstalk, dB |
-97.1
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Excellent
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| IMD
at 10 kHz, % |
0.038
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Good
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General performance |
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Very good
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Frequency response
| From
20 Hz to 20 kHz, dB |
-0.36, +0.04
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| From
40 Hz to 15 kHz, dB |
-0.14, +0.04
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Noise level
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Left
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Right
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| RMS
power, dB |
-96.6
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-96.6
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| RMS
power (A-weighted), dB |
-97.7
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-97.5
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| Peak
level, dB FS |
-82.1
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-80.4
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| DC
offset, % |
+0.0
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+0.0
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Dynamic range
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Left
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Right
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Dynamic range, dB |
+96.7
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+96.6
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Dynamic range (A-weighted), dB |
+97.7
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+97.6
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| DC
offset, % |
-0.00
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-0.00
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THD + Noise (at -3 dB FS)
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Left
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Right
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| THD,
% |
+0.0047
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+0.0052
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| THD
+ Noise, % |
+0.0056
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+0.0061
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| THD
+ Noise (A-weighted), % |
+0.0066
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+0.0073
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Intermodulation distortion
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Left
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Right
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| IMD
+ Noise, % |
+0.0074
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+0.0079
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| IMD
+ Noise (A-weighted), % |
+0.0068
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+0.0072
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Stereo crosstalk
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Left
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Right
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Crosstalk at 100 Hz, dB |
-101
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-98
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Crosstalk at 1000 Hz, dB |
-96
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-97
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Crosstalk at 10000 Hz, dB |
-82
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-84
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IMD (swept tones)
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Left
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Right
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| IMD
+ Noise at 5000 Hz, |
0.0237
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0.0248
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| IMD
+ Noise at 10000 Hz, |
0.0359
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0.0370
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| IMD
+ Noise at 15000 Hz, |
0.0533
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0.0549
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24-48下的结果也不错，最高评价又多了两个。小熊在线www.beareyes.com.cn
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