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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 |
2496 |
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Sampling mode |
24-bit, 96 kHz |
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Interface |
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Testing chain |
External loopback (line-out - line-in) |
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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 |
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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 |
+0.05, -0.14
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Very good
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Noise level, dB (A) |
-100.0
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Excellent
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Dynamic range, dB (A) |
100.2
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Excellent
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THD, % |
0.0053
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Very good
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THD + Noise, dB (A) |
-82.9
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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 |
-97.5
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Excellent
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IMD at 10 kHz, % |
0.039
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Good
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General performance |
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Very good
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Frequency response
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From 20 Hz to 20 kHz, dB |
-0.35, +0.05
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From 40 Hz to 15 kHz, dB |
-0.14, +0.05
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Noise level
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Left
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Right
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RMS power, dB |
-99.2
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-98.9
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RMS power (A-weighted), dB |
-100.1
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-99.8
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Peak level, dB FS |
-82.3
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-82.3
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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 |
+99.3
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+99.1
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Dynamic range (A-weighted), dB |
+100.3
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+100.1
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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, % |
+0.0050
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+0.0056
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THD + Noise, % |
+0.0055
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+0.0061
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THD + Noise (A-weighted), % |
+0.0068
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+0.0076
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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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+0.0080
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IMD + Noise (A-weighted), % |
+0.0068
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+0.0074
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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 |
-95
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-95
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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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-83
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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, |
0.0239
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0.0256
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IMD + Noise at 10000 Hz, |
0.0359
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0.0376
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IMD + Noise at 15000 Hz, |
0.0534
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0.0558
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不难看出，Montego DDL
7.1声卡越高精度，成绩越好。小熊在线www.beareyes.com.cn
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