nForce 680i LT

RightMark Audio Analyzer test


Testing chain: External loopback (line-out - line-in)
Sampling mode: 16-bit, 44 kHz




Summary

Frequency response (from 40 Hz to 15 kHz), dB: +0.01, -0.05Excellent
Noise level, dB (A): -86.1Good
Dynamic range, dB (A): 85.7Good
THD, %: 0.0026Excellent
IMD + Noise, %: 0.018Very good
Stereo crosstalk, dB: -84.9Very good
IMD at 10 kHz, %: 0.102Average

General performance: Very good




Frequency response

Spectrum graph


Frequency range Response
From 20 Hz to 20 kHz, dB-0.77, +0.01
From 40 Hz to 15 kHz, dB-0.05, +0.01




Noise level

Spectrum graph


Parameter Left Right
RMS power, dB:-85.2-84.6
RMS power (A-weighted), dB:-86.1-85.3
Peak level, dB FS:-71.2-71.3
DC offset, %:-0.00-0.00




Dynamic range

Spectrum graph


Parameter Left Right
Dynamic range, dB:+85.7+85.2
Dynamic range (A-weighted), dB:+86.3+85.7
DC offset, %:-0.00-0.00




THD + Noise (at -3 dB FS)

Spectrum graph


Parameter Left Right
THD, %:0.00260.0027
THD + Noise, %:0.01140.0121
THD + Noise (A-weighted), %:0.01040.0111




Intermodulation distortion

Spectrum graph


Parameter Left Right
IMD + Noise, %:0.01840.0190
IMD + Noise (A-weighted), %:0.01610.0168




Stereo crosstalk

Spectrum graph


Parameter L <- R L -> R
Crosstalk at 100 Hz, dB:-86-87
Crosstalk at 1 kHz, dB:-81-84
Crosstalk at 10 kHz, dB:-72-71




IMD (swept tones)

Spectrum graph


Parameter Left Right
IMD + Noise at 5 kHz, %:0.03180.0324
IMD + Noise at 10 kHz, %:0.11180.1120
IMD + Noise at 15 kHz, %:0.16110.1608

This report was generated by RightMark Audio Analyzer 5.5