Jetway NC94FL-510-LF Review (Page 11 of 12)

Page 11 - Onboard Sound Frequency Analysis

Frequency response

From 20 Hz to 20 kHz, dB: -2.47, +0.29
From 40 Hz to 15 kHz, dB: -0.53, +0.28

Noise level

RMS power, dB: -84.8, -84.7
RMS power (A-weighted), dB: -86.1, -86.0
Peak level, dB FS: -71.5, -70.4
DC offset, %: +0.0, -0.0

Dynamic range

Dynamic range, dB: +84.8, +84.6
Dynamic range (A-weighted), dB: +86.1, +86.0
DC offset, %: -0.00, -0.00

THD + Noise (at -3 dB FS)

THD, %: +0.0018, +0.0016
THD + Noise, %: +0.0119, +0.0122
THD + Noise (A-weighted), %: +0.0102, +0.0105

Intermodulation distortion

IMD + Noise, %: +0.1680, +0.1493
IMD + Noise (A-weighted), %: +0.0321, +0.0293

Stereo crosstalk

Crosstalk at 100 Hz, dB: -79, -77
Crosstalk at 1000 Hz, dB: -83, -83
Crosstalk at 10000 Hz, dB: -78, -77

IMD (swept tones)

IMD + Noise at 5000 Hz: 0.0136, 0.0142
IMD + Noise at 10000 Hz: 0.0139, 0.0142
IMD + Noise at 15000 Hz: 0.0148, 0.0145

Test Summary:

Frequency response (from 40 Hz to 15 kHz), dB: +0.28, -0.53 - Good
Noise level, dB (A): -86.1 - Good
Dynamic range, dB (A): 86.0 - Good
THD, %: 0.0017 - Excellent
THD + Noise, dB (A): -79.7 - Average
IMD + Noise, %: 0.159 - Average
Stereo crosstalk, dB: -83.6 - Very good
IMD at 10 kHz, %: 0.014 - Very 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