Page 11 - 24-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: -92.9, -92.6
RMS power (A-weighted), dB: -94.1, -93.6
Peak level, dB FS: -71.6, -71.3
DC offset, %: +0.3, +0.3
Dynamic range
Dynamic range, dB: +92.9, +92.7
Dynamic range (A-weighted), dB: +93.8, +93.7
DC offset, %: +0.30, +0.34
THD + Noise (at -3 dB FS)
THD, %: +0.0023, +0.0025
THD + Noise, %: +0.0060, +0.0063
THD + Noise (A-weighted), %: +0.0056, +0.0060
Intermodulation distortion
IMD + Noise, %: +0.0069, +0.0074
IMD + Noise (A-weighted), %: +0.0061, +0.0063
Stereo crosstalk
Crosstalk at 100 Hz, dB: -83, -87
Crosstalk at 1000 Hz, dB: -90, -88
Crosstalk at 10000 Hz, dB: -82, -84
IMD (swept tones)
IMD + Noise at 5000 Hz: 0.0075, 0.0080
IMD + Noise at 10000 Hz: 0.0071, 0.0075
IMD + Noise at 15000 Hz: 0.0068, 0.0071
Test Summary:
Frequency response (from 40 Hz to 15 kHz), dB: +0.04, -0.12 - Very good
Noise level, dB (A): -93.8 - Very good
Dynamic range, dB (A): 93.8 - Very good
THD, %: 0.0024 - Excellent
THD + Noise, dB (A): -84.7 - Good
IMD + Noise, %: 0.0072 - Excellent
Stereo crosstalk, dB: -89.8 - Excellent
IMD at 10 kHz, %: 0.0073 - 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
