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ABIT AW9D-MAX 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): | -74.5 | Average |
| Dynamic range, dB (A): | 74.1 | Average |
| THD, %: | 0.0056 | Very good |
| IMD, %: | 0.061 | Good |
| Stereo crosstalk, dB: | -71.3 | Good |
| IMD at 10 kHz, %: | 0.119 | Average |
General performance: Good
Even though the quality is "good" I was expecting a better score from the motherboard. The extra PCB for the sound card seems to have no effect on audio quality.
Frequency Response
| Frequency range | Response |
| From 20 Hz to 20 kHz, dB | -1.75, +0.25 |
| From 40 Hz to 15 kHz, dB | -0.32, +0.25 |
Noise Level
| Parameter | Left | Right |
| RMS power, dB: | -69.5 | -69.9 |
| RMS power (A-weighted), dB: | -74.3 | -74.5 |
| Peak level, dB FS: | -56.4 | -58.4 |
| DC offset, %: | -0.00 | -0.00 |
Dynamic Range
| Parameter | Left | Right |
| Dynamic range, dB: | +69.7 | +71.2 |
| Dynamic range (A-weighted), dB: | +74.1 | +74.3 |
| DC offset, %: | -0.00 | -0.00 |
THD + Noise (at -3 dB FS)
| Parameter | Left | Right |
| THD, %: | 0.0105 | 0.0056 |
| THD + Noise, %: | 0.0628 | 0.0533 |
| THD + Noise (A-weighted), %: | 0.0408 | 0.0395 |
Intermodulation distortion
| Parameter | Left | Right |
| IMD + Noise, %: | 0.0614 | 0.0612 |
| IMD + Noise (A-weighted), %: | 0.0489 | 0.0494 |
Stereo crosstalk
| Parameter | L <- R | L -> R |
| Crosstalk at 100 Hz, dB: | -66 | -65 |
| Crosstalk at 1 kHz, dB: | -70 | -70 |
| Crosstalk at 10 kHz, dB: | -72 | -74 |
IMD (swept tones)
| Parameter | Left | Right |
| IMD + Noise at 5 kHz, %: | 0.0589 | 0.0582 |
| IMD + Noise at 10 kHz, %: | 0.1217 | 0.1254 |
| IMD + Noise at 15 kHz, %: | 0.1771 | 0.1723 |
Nov 22nd, 2024 21:48 EST
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