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ABIT AT8 Review
Fan Noise & Overclocking »Rightmark Audio Analyzer
We used Rightmark Audio Analyzer together with a loop-back cable to analyze the quality of the on-board audio solution.
Summary
| Frequency response (from 40 Hz to 15 kHz), dB: | +0.25, -0.32 | Good |
| Noise level, dB (A): | -85.6 | Good |
| Dynamic range, dB (A): | 85.4 | Good |
| THD, %: | 0.0090 | Very good |
| IMD, %: | 0.067 | Good |
| Stereo crosstalk, dB: | -83.0 | Very good |
| IMD at 10 kHz, %: | 0.106 | Average |
General performance: Good
When it comes to on-board audio quality, the ABIT AT8's audio is among the best boards.
Frequency Response
| Frequency range | Response |
| From 20 Hz to 20 kHz, dB | -1.73, +0.25 |
| From 40 Hz to 15 kHz, dB | -0.32, +0.25 |
Noise Level
| Parameter | Left | Right |
| RMS power, dB: | -74.0 | -74.2 |
| RMS power (A-weighted), dB: | -85.6 | -85.4 |
| Peak level, dB FS: | -64.6 | -63.9 |
| DC offset, %: | -0.00 | -0.00 |
Dynamic Range
| Parameter | Left | Right |
| Dynamic range, dB: | +77.6 | +78.1 |
| Dynamic range (A-weighted), dB: | +85.6 | +85.4 |
| DC offset, %: | -0.00 | -0.00 |
THD + Noise (at -3 dB FS)
| Parameter | Left | Right |
| THD, %: | 0.0113 | 0.0090 |
| THD + Noise, %: | 0.0318 | 0.0312 |
| THD + Noise (A-weighted), %: | 0.0193 | 0.0168 |
Intermodulation distortion
| Parameter | Left | Right |
| IMD + Noise, %: | 0.0669 | 0.0738 |
| IMD + Noise (A-weighted), %: | 0.0228 | 0.0229 |
Stereo crosstalk
| Parameter | L <- R | L -> R |
| Crosstalk at 100 Hz, dB: | -78 | -79 |
| Crosstalk at 1 kHz, dB: | -82 | -82 |
| Crosstalk at 10 kHz, dB: | -77 | -78 |
IMD (swept tones)
| Parameter | Left | Right |
| IMD + Noise at 5 kHz, %: | 0.0355 | 0.0346 |
| IMD + Noise at 10 kHz, %: | 0.1124 | 0.1131 |
| IMD + Noise at 15 kHz, %: | 0.1716 | 0.1716 |
Nov 24th, 2024 11:03 EST
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