IBM T30 SoundMAX

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): -84.9Good
Dynamic range, dB (A): 84.1Good
THD, %: 0.0063Very good
IMD, %: 0.020Very good
Stereo crosstalk, dB: -82.0Very good

General performance: Very good




Frequency response

Spectrum graph


Frequency range Response
From 20 Hz to 20 kHz, dB-4.70, +0.22
From 40 Hz to 15 kHz, dB-0.14, +0.22




Noise level

Spectrum graph


Parameter Left Right
RMS power, dB:-80.2-80.9
RMS power (A-weighted), dB:-84.4-84.9
Peak level, dB FS:-61.0-61.8
DC offset, %:-0.11-0.05




Dynamic range

Spectrum graph


Parameter Left Right
Dynamic range, dB:+80.8+80.7
Dynamic range (A-weighted), dB:+84.1+84.7
DC offset, %:-0.11-0.05




THD + Noise (at -3 dB FS)

Spectrum graph


Parameter Left Right
THD, %:0.0060.008
THD + Noise, %:0.0180.018
THD + Noise (A-weighted), %:0.0140.015




Intermodulation distortion

Spectrum graph


Parameter Left Right
IMD + Noise, %:0.0210.020
IMD + Noise (A-weighted), %:0.0160.015




Stereo crosstalk

Spectrum graph


Parameter L <- R L -> R
Crosstalk at 100 Hz, dB:-79-76
Crosstalk at 1 kHz, dB:-81-80
Crosstalk at 10 kHz, dB:-68-69

This report was generated by RightMark Audio Analyzer 5.3