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: +0.01, -0.09Excellent
Noise level, dB (A): -100.7Excellent
Dynamic range, dB (A): 99.1Excellent
THD, %: 0.0051Very good
IMD + Noise, %: 0.011Very good
Stereo crosstalk, dB: -84.3Very good
IMD at 10 kHz, %: 0.027Good

General performance: Very good




Frequency response

Spectrum graph


Frequency range Response
From 20 Hz to 20 kHz, dB-0.27, +0.01
From 40 Hz to 15 kHz, dB-0.09, +0.01




Noise level

Spectrum graph


Parameter Left Right
RMS power, dB:-95.1-95.4
RMS power (A-weighted), dB:-100.7-99.1
Peak level, dB FS:-80.2-80.3
DC offset, %:0.000.00




Dynamic range

Spectrum graph


Parameter Left Right
Dynamic range, dB:+95.9+96.1
Dynamic range (A-weighted), dB:+100.8+99.1
DC offset, %:-0.00-0.00




THD + Noise (at -3 dB FS)

Spectrum graph


Parameter Left Right
THD, %:0.00510.0071
THD + Noise, %:0.00810.0092
THD + Noise (A-weighted), %:0.00760.0101




Intermodulation distortion

Spectrum graph


Parameter Left Right
IMD + Noise, %:0.01140.0142
IMD + Noise (A-weighted), %:0.00980.0133




Stereo crosstalk

Spectrum graph


Parameter L <- R L -> R
Crosstalk at 100 Hz, dB:-91-92
Crosstalk at 1 kHz, dB:-83-79
Crosstalk at 10 kHz, dB:-79-65




IMD (swept tones)

Spectrum graph


Parameter Left Right
IMD + Noise at 5 kHz, %:0.02700.0369
IMD + Noise at 10 kHz, %:0.04080.0568
IMD + Noise at 15 kHz, %:0.01230.0098

This report was generated by RightMark Audio Analyzer 5.5

inserted by FC2 system