AMB β24 Fully-differential Power Amplifier
RightMark Audio Analyzer test

XLR input -> SPKR output
8Ω load
Sampling mode: 32-bit, 96 kHz
play/rec device: E-MU 0404 USB




Summary

Frequency response (from 40 Hz to 15 kHz), dB: +0.01, -0.06Excellent
Noise level, dB (A): -108.7Excellent
Dynamic range, dB (A): 108.4Excellent
THD, %: 0.0020Excellent
IMD + Noise, %: 0.0029Excellent
Stereo crosstalk, dB: -103.7Excellent
IMD at 10 kHz, %: 0.0026Excellent

General performance: Excellent




Frequency response

Spectrum graph


Frequency range Response
From 20 Hz to 20 kHz, dB-0.14, +0.01
From 40 Hz to 15 kHz, dB-0.06, +0.01




Noise level

Spectrum graph


Parameter Left Right
RMS power, dB:-106.9-107.2
RMS power (A-weighted), dB:-108.4-108.7
Peak level, dB FS:-82.5-81.6
DC offset, %:0.000.00




Dynamic range

Spectrum graph


Parameter Left Right
Dynamic range, dB:+106.8+107.3
Dynamic range (A-weighted), dB:+108.4+108.6
DC offset, %:-0.000.00




THD + Noise (at -3 dB FS)

Spectrum graph


Parameter Left Right
THD, %:0.00200.0022
THD + Noise, %:0.00300.0032
THD + Noise (A-weighted), %:0.00340.0037




Intermodulation distortion

Spectrum graph


Parameter Left Right
IMD + Noise, %:0.00290.0030
IMD + Noise (A-weighted), %:0.00240.0024




Stereo crosstalk

Spectrum graph


Parameter L <- R L -> R
Crosstalk at 100 Hz, dB:-101-100
Crosstalk at 1 kHz, dB:-103-100
Crosstalk at 10 kHz, dB:-88-84




IMD (swept tones)

Spectrum graph


Parameter Left Right
IMD + Noise at 5 kHz, %:0.00300.0036
IMD + Noise at 10 kHz, %:0.00240.0027
IMD + Noise at 15 kHz, %:0.00240.0027

This report was generated by RightMark Audio Analyzer 5.5