ASRock 939SLI32-eSATA2 Review 13

ASRock 939SLI32-eSATA2 Review

by
W1zzard
,
on ,
Manufacturer: ASRock
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:+1.52, -8.63Very poor
Noise level, dB (A):-62.2Poor
Dynamic range, dB (A):62.8Poor
THD, %:0.144Average
IMD, %:15.831Very poor
Stereo crosstalk, dB:-71.3Good
IMD at 10 kHz, %:1.218Poor

General performance: Poor

I have no idea why the test result is so bad, the ALC660 is used on other boards too and works good there. The test was run multiple times, kept giving the same result.



Frequency Response



Frequency rangeResponse
From 20 Hz to 20 kHz, dB-11.41, +1.52
From 40 Hz to 15 kHz, dB-8.63, +1.52

Noise Level



ParameterLeftRight
RMS power, dB:-61.0-59.5
RMS power (A-weighted), dB:-62.2-60.8
Peak level, dB FS:-32.6-31.1
DC offset, %:-0.00-0.00

Dynamic Range



ParameterLeftRight
Dynamic range, dB:+63.0+61.5
Dynamic range (A-weighted), dB:+64.2+62.8
DC offset, %:-0.00-0.00

THD + Noise (at -3 dB FS)



ParameterLeftRight
THD, %:0.14370.1438
THD + Noise, %:5.03875.0399
THD + Noise (A-weighted), %:5.55925.5599

Intermodulation distortion



ParameterLeftRight
IMD + Noise, %:15.845615.8307
IMD + Noise (A-weighted), %:15.853415.8383

Stereo crosstalk



ParameterL <- RL -> R
Crosstalk at 100 Hz, dB:-70-72
Crosstalk at 1 kHz, dB:-68-70
Crosstalk at 10 kHz, dB:-61-61

IMD (swept tones)



ParameterLeftRight
IMD + Noise at 5 kHz, %:0.69540.6877
IMD + Noise at 10 kHz, %:0.44840.4418
IMD + Noise at 15 kHz, %:2.53232.5237
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Feb 7th, 2025 02:25 EST change timezone

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