Jetway NC98-525-LF Review (Page 11 of 12)

Page 11 - Onboard Sound Frequency Analysis

Frequency response

From 20 Hz to 20 kHz, dB: -3.83, +0.23
From 40 Hz to 15 kHz, dB: -0.32, +0.23

Noise level

RMS power, dB: -80.9, -81.1
RMS power (A-weighted), dB: -82.7, -83.0
Peak level, dB FS: -57.7, -59.9
DC offset, %: +0.0, -0.0

Dynamic range

Dynamic range, dB: +81.1, +81.2
Dynamic range (A-weighted), dB: +82.7, +82.9
DC offset, %: -0.00, -0.00

THD + Noise (at -3 dB FS)

THD, %: +0.0030, +0.0031
THD + Noise, %: +0.0171, +0.0173
THD + Noise (A-weighted), %: +0.0147, +0.0151

Intermodulation distortion

IMD + Noise, %: +0.0300, +0.0327
IMD + Noise (A-weighted), %: +0.0177, +0.0185

Stereo crosstalk

Crosstalk at 100 Hz, dB: -78, -81
Crosstalk at 1000 Hz, dB: -81, -82
Crosstalk at 10000 Hz, dB: -74, -74

IMD (swept tones)

IMD + Noise at 5000 Hz: 0.0209, 0.0209
IMD + Noise at 10000 Hz: 0.0207, 0.0217
IMD + Noise at 15000 Hz: 0.0219, 0.0210

Test Summary:

Frequency response (from 40 Hz to 15 kHz), dB: +0.23, -0.32 - Good
Noise level, dB (A): -82.8 - Good
Dynamic range, dB (A): 82.8 - Good
THD, %: 0.0030 - Very Good
THD + Noise, dB (A): -76.5 - Average
IMD + Noise, %: 0.031 - Good
Stereo crosstalk, dB: -82.5 - Very good
IMD at 10 kHz, %: 0.021 - Good
General performance: Good


Page Index
1. Introduction, Features, and Specifications
2. Bundle, Chipset, BIOS
3. A Closer Look, Board Layout, Test System
4. Benchmark: EVEREST CPU
5. Benchmark: EVEREST FPU
6. Benchmark: EVEREST Memory
7. Benchmark: PCMark Vantage
8. Benchmark: 3DMark06 Professional
9. Benchmark: PassMark PerformanceTest 7.0
10. Benchmark: SuperPI 1M, Cinebench R11.5
11. Onboard Sound Frequency Analysis
12. Power Consumption and Conclusion