ECS RS400-A Review 1

ECS RS400-A Review

by
W1zzard
,
on ,
Manufacturer: ECS
Performance: Audio Games & Sound Levels »

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:+0.19, -0.60Good
Noise level, dB (A):-76.2Average
Dynamic range, dB (A):77.9Average
THD, %:0.044Good
IMD, %:0.061Good
Stereo crosstalk, dB:-78.9Very good
IMD at 10 kHz, %:0.210Average

General performance: Good

Frequency Response



Frequency rangeResponse
From 20 Hz to 20 kHz, dB-4.61, +0.19
From 40 Hz to 15 kHz, dB-0.60, +0.19

Noise Level



ParameterLeftRight
RMS power, dB:-71.7-73.9
RMS power (A-weighted), dB:-75.5-76.2
Peak level, dB FS:-59.7-58.8
DC offset, %:-0.550.73

Dynamic Range



ParameterLeftRight
Dynamic range, dB:+73.7+74.5
Dynamic range (A-weighted), dB:+77.9+78.0
DC offset, %:-0.550.73

THD + Noise (at -3 dB FS)



ParameterLeftRight
THD, %:0.04360.0440
THD + Noise, %:0.06400.0693
THD + Noise (A-weighted), %:0.06610.0665

Intermodulation distortion



ParameterLeftRight
IMD + Noise, %:0.06060.0623
IMD + Noise (A-weighted), %:0.05080.0512

Stereo crosstalk



ParameterL <- RL -> R
Crosstalk at 100 Hz, dB:-74-76
Crosstalk at 1 kHz, dB:-76-78
Crosstalk at 10 kHz, dB:-74-74

IMD (swept tones)



ParameterLeftRight
IMD + Noise at 5 kHz, %:0.08720.0886
IMD + Noise at 10 kHz, %:0.19800.1986
IMD + Noise at 15 kHz, %:0.34420.3479
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Feb 5th, 2025 17:59 EST change timezone

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