IBM T20 Crystal SoundFusion

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: +0.22, -0.14Very good
Noise level, dB (A): -80.4Good
Dynamic range, dB (A): 80.4Good
THD, %: 0.0034Very good
IMD, %: 0.028Good
Stereo crosstalk, dB: -77.5Very good
IMD at 10 kHz, %: 0.026Good

General performance: Good




Frequency response

Spectrum graph


Frequency range Response
From 20 Hz to 20 kHz, dB-4.72, +0.22
From 40 Hz to 15 kHz, dB-0.14, +0.22




Noise level

Spectrum graph


Parameter Left Right
RMS power, dB:-76.2-76.3
RMS power (A-weighted), dB:-79.8-80.4
Peak level, dB FS:-53.7-54.3
DC offset, %:-0.50-0.40




Dynamic range

Spectrum graph


Parameter Left Right
Dynamic range, dB:+76.7+77.2
Dynamic range (A-weighted), dB:+80.4+81.0
DC offset, %:-0.50-0.39




THD + Noise (at -3 dB FS)

Spectrum graph


Parameter Left Right
THD, %:0.00340.0045
THD + Noise, %:0.02700.0273
THD + Noise (A-weighted), %:0.02040.0198




Intermodulation distortion

Spectrum graph


Parameter Left Right
IMD + Noise, %:0.02900.0280
IMD + Noise (A-weighted), %:0.02610.0253




Stereo crosstalk

Spectrum graph


Parameter L <- R L -> R
Crosstalk at 100 Hz, dB:-75-77
Crosstalk at 1 kHz, dB:-75-76
Crosstalk at 10 kHz, dB:-68-69




IMD (swept tones)

Spectrum graph


Parameter Left Right
IMD + Noise at 5 kHz, %:0.03360.0324
IMD + Noise at 10 kHz, %:0.02520.0236
IMD + Noise at 15 kHz, %:0.02340.0223

This report was generated by RightMark Audio Analyzer 5.4