Auzentech X-Fi Bravura Review (Page 9 of 12)

Page 9 - 24-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: -95.1, -94.9
RMS power (A-weighted), dB: -96.2, -95.9
Peak level, dB FS: -79.9, -79.8
DC offset, %: +0.3, +0.4

Dynamic range

Dynamic range, dB: +95.2, +95.0
Dynamic range (A-weighted), dB: +96.1, +96.0
DC offset, %: +0.35, +0.39

THD + Noise (at -3 dB FS)

THD, %: +0.0021, +0.0021
THD + Noise, %: +0.0037, +0.0037
THD + Noise (A-weighted), %: +0.0035, +0.0035

Intermodulation distortion

IMD + Noise, %: +0.0046, +0.0047
IMD + Noise (A-weighted), %: +0.0040, +0.0041

Stereo crosstalk

Crosstalk at 100 Hz, dB: -92, -89
Crosstalk at 1000 Hz, dB: -91, -90
Crosstalk at 10000 Hz, dB: -76, -83

IMD (swept tones)

IMD + Noise at 5000 Hz: 0.0054, 0.0054
IMD + Noise at 10000 Hz: 0.0048, 0.0050
IMD + Noise at 15000 Hz: 0.0048, 0.0047

Test Summary:

Frequency response (from 40 Hz to 15 kHz), dB: +0.03, -0.22 - Very good
Noise level, dB (A): -96.1 - Excellent
Dynamic range, dB (A): 96.0 - Excellent
THD, %: 0.0021 - Excellent
THD + Noise, dB (A): -89.1 - Good
IMD + Noise, %: 0.0046 - Excellent
Stereo crosstalk, dB: -91.7 - Excellent
IMD at 10 kHz, %: 0.0050 - Excellent
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