Auzentech X-Fi Bravura Review (Page 5 of 12)

Page 5 - 16-bit/48 kHz Frequency Analysis

Frequency response

From 20 Hz to 20 kHz, dB: -0.37, +0.03
From 40 Hz to 15 kHz, dB: -0.22, +0.03

Noise level

RMS power, dB: -90.2, -90.0
RMS power (A-weighted), dB: -91.3, -91.1
Peak level, dB FS: -76.5, -75.8
DC offset, %: +0.3, +0.4

Dynamic range

Dynamic range, dB: +90.1, +90.1
Dynamic range (A-weighted), dB: +91.2, +91.2
DC offset, %: +0.35, +0.39

THD + Noise (at -3 dB FS)

THD, %: +0.0029, +0.0030
THD + Noise, %: +0.0065, +0.0065
THD + Noise (A-weighted), %: +0.0059, +0.0059

Intermodulation distortion

IMD + Noise, %: +0.0078, +0.0080
IMD + Noise (A-weighted), %: +0.0069, +0.0070

Stereo crosstalk

Crosstalk at 100 Hz, dB: -89, -89
Crosstalk at 1000 Hz, dB: -89, -90
Crosstalk at 10000 Hz, dB: -76, -82

IMD (swept tones)

IMD + Noise at 5000 Hz: 0.0081, 0.0081
IMD + Noise at 10000 Hz: 0.0078, 0.0080
IMD + Noise at 15000 Hz: 0.0085, 0.0084

Test Summary:

Frequency response (from 40 Hz to 15 kHz), dB: +0.03, -0.22 - Very good
Noise level, dB (A): -91.2 - Very good
Dynamic range, dB (A): 91.2 - Very good
THD, %: 0.0029 - Excellent
THD + Noise, dB (A): -84.6 - Good
IMD + Noise, %: 0.0079 - Excellent
Stereo crosstalk, dB: -90.6 - Excellent
IMD at 10 kHz, %: 0.0082 - Very good
General performance: Very good


Page Index
1. Introduction, Specifications, Bundle
2. A Closer Look - Hardware
3. A Closer Look - Software
4. 16-bit/44.1 kHz Frequency Analysis
5. 16-bit/48 kHz Frequency Analysis
6. 16-bit/96 kHz Frequency Analysis
7. 16-bit/192 kHz Frequency Analysis
8. 24-bit/44.1 kHz Frequency Analysis
9. 24-bit/48 kHz Frequency Analysis
10. 24-bit/96 kHz Frequency Analysis
11. 24-bit/192 kHz Frequency Analysis
12. Subjective Listening and Conclusion