Auzentech X-Fi Bravura Review (Page 7 of 12)

Page 7 - 16-bit/192 kHz Frequency Analysis

NOTE: The following results were obtained from the Auzentech X-Fi Bravura's discrete headphone circuit output.

Frequency response

From 20 Hz to 20 kHz, dB: -0.25, +0.04
From 40 Hz to 15 kHz, dB: -0.12, +0.04

Noise level

RMS power, dB: -91.6, -91.2
RMS power (A-weighted), dB: -92.7, -92.3
Peak level, dB FS: -70.6, -69.8
DC offset, %: +0.3, +0.3

Dynamic range

Dynamic range, dB: +91.5, +91.2
Dynamic range (A-weighted), dB: +92.6, +92.2
DC offset, %: +0.30, +0.34

THD + Noise (at -3 dB FS)

THD, %: +0.0024, +0.0027
THD + Noise, %: +0.0067, +0.0070
THD + Noise (A-weighted), %: +0.0062, +0.0065

Intermodulation distortion

IMD + Noise, %: +0.0076, +0.0082
IMD + Noise (A-weighted), %: +0.0066, +0.0071

Stereo crosstalk

Crosstalk at 100 Hz, dB: -85, -82
Crosstalk at 1000 Hz, dB: -86, -87
Crosstalk at 10000 Hz, dB: -81, -83

IMD (swept tones)

IMD + Noise at 5000 Hz: 0.0084, 0.0090
IMD + Noise at 10000 Hz: 0.0081, 0.0082
IMD + Noise at 15000 Hz: 0.0078, 0.0083

Test Summary:

Frequency response (from 40 Hz to 15 kHz), dB: +0.04, -0.12 - Very good
Noise level, dB (A): -92.5 - Very good
Dynamic range, dB (A): 92.4 - Very good
THD, %: 0.0026 - Excellent
THD + Noise, dB (A): -84.0 - Good
IMD + Noise, %: 0.0079 - Excellent
Stereo crosstalk, dB: -87.4 - Excellent
IMD at 10 kHz, %: 0.0083 - 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