MOSFET CFB DCAMP

(Gain 12dB, Load 4ohm, Output Power 6W)


RightMark Audio Analyzer test


Testing chain: External loopback (Line-out - Power Amp - ATT - Line-in)
Sampling mode: 32-bit, 44 kHz




Summary

Frequency response (from 40 Hz to 15 kHz), dB: +0.02, -0.09Excellent
Noise level, dB (A): -102.2Excellent
Dynamic range, dB (A): 99.6Excellent
THD, %: 0.0047Very good
IMD + Noise, %: 0.0091Very good
Stereo crosstalk, dB: -89.2Excellent
IMD at 10 kHz, %: 0.022Good

General performance: Excellent




Frequency response

Spectrum graph


Frequency range Response
From 20 Hz to 20 kHz, dB-0.26, +0.02
From 40 Hz to 15 kHz, dB-0.09, +0.02




Noise level

Spectrum graph


Parameter Left Right
RMS power, dB:-98.2-97.2
RMS power (A-weighted), dB:-102.2-99.6
Peak level, dB FS:-80.9-81.7
DC offset, %:0.000.00




Dynamic range

Spectrum graph


Parameter Left Right
Dynamic range, dB:+99.9+98.5
Dynamic range (A-weighted), dB:+102.2+99.6
DC offset, %:0.00-0.00




THD + Noise (at -3 dB FS)

Spectrum graph


Parameter Left Right
THD, %:0.00470.0064
THD + Noise, %:0.00570.0073
THD + Noise (A-weighted), %:0.00670.0089




Intermodulation distortion

Spectrum graph


Parameter Left Right
IMD + Noise, %:0.00910.0125
IMD + Noise (A-weighted), %:0.00860.0123




Stereo crosstalk

Spectrum graph


Parameter L <- R L -> R
Crosstalk at 100 Hz, dB:-94-88
Crosstalk at 1 kHz, dB:-88-77
Crosstalk at 10 kHz, dB:-80-73




IMD (swept tones)

Spectrum graph


Parameter Left Right
IMD + Noise at 5 kHz, %:0.02380.0330
IMD + Noise at 10 kHz, %:0.03810.0514
IMD + Noise at 15 kHz, %:0.00540.0053

This report was generated by RightMark Audio Analyzer 5.5

inserted by FC2 system