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, -0.08Excellent
Noise level, dB (A): -102.0Excellent
Dynamic range, dB (A): 99.0Excellent
THD, %: 0.0066Very good
IMD + Noise, %: 0.011Very good
Stereo crosstalk, dB: -97.6Excellent
IMD at 10 kHz, %: 0.032Good

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-0.08, +0.02




Noise level

Spectrum graph


Parameter Left Right
RMS power, dB:-98.3-96.6
RMS power (A-weighted), dB:-102.0-99.1
Peak level, dB FS:-82.0-81.4
DC offset, %:0.000.00




Dynamic range

Spectrum graph


Parameter Left Right
Dynamic range, dB:+100.0+97.6
Dynamic range (A-weighted), dB:+102.1+99.0
DC offset, %:0.00-0.00




THD + Noise (at -3 dB FS)

Spectrum graph


Parameter Left Right
THD, %:0.00660.0095
THD + Noise, %:0.00730.0102
THD + Noise (A-weighted), %:0.00890.0126




Intermodulation distortion

Spectrum graph


Parameter Left Right
IMD + Noise, %:0.01150.0166
IMD + Noise (A-weighted), %:0.01100.0162




Stereo crosstalk

Spectrum graph


Parameter L <- R L -> R
Crosstalk at 100 Hz, dB:-93-91
Crosstalk at 1 kHz, dB:-95-97
Crosstalk at 10 kHz, dB:-82-85




IMD (swept tones)

Spectrum graph


Parameter Left Right
IMD + Noise at 5 kHz, %:0.03240.0472
IMD + Noise at 10 kHz, %:0.04390.0679
IMD + Noise at 15 kHz, %:0.01870.0213

This report was generated by RightMark Audio Analyzer 5.5

inserted by FC2 system