X-Fi Fatal1ty - all caps shorted, DC offset in action ;)

RightMark Audio Analyzer test


Testing chain: External loopback (line-out - line-in)
Sampling mode: 16-bit, 44 kHz

Shorted DAC - opamps coupling caps as well, as LineIn input coupling caps, AD8599/MC33078 opamps.




Summary

Frequency response (from 40 Hz to 15 kHz), dB: +16.06, -9.78Very poor
Noise level, dB (A): -31.2Very poor
Dynamic range, dB (A): 33.5Very poor
THD, %: 3.755Very poor
IMD + Noise, %: 15.635Very poor
Stereo crosstalk, dB: -52.8Poor
IMD at 10 kHz, %: 19.399Very poor

General performance: Very poor




Frequency response

Spectrum graph


Frequency range Response
From 20 Hz to 20 kHz, dB-9.78, +18.34
From 40 Hz to 15 kHz, dB-9.78, +16.06




Noise level

Spectrum graph


Parameter Left Right
RMS power, dB:-24.4-24.8
RMS power (A-weighted), dB:-31.2-31.0
Peak level, dB FS:-1.2-0.8
DC offset, %:-0.16-0.08




Dynamic range

Spectrum graph


Parameter Left Right
Dynamic range, dB:+24.2+25.2
Dynamic range (A-weighted), dB:+33.5+33.8
DC offset, %:-0.14-0.06




THD + Noise (at -3 dB FS)

Spectrum graph


Parameter Left Right
THD, %:3.75558.5840
THD + Noise, %:20.534922.2240
THD + Noise (A-weighted), %:16.644918.4208




Intermodulation distortion

Spectrum graph


Parameter Left Right
IMD + Noise, %:17.692515.6350
IMD + Noise (A-weighted), %:9.20779.8956




Stereo crosstalk

Spectrum graph


Parameter L <- R L -> R
Crosstalk at 100 Hz, dB:-55-53
Crosstalk at 1 kHz, dB:-52-51
Crosstalk at 10 kHz, dB:-39-39




IMD (swept tones)

Spectrum graph


Parameter Left Right
IMD + Noise at 5 kHz, %:19.399319.4065
IMD + Noise at 10 kHz, %:18.280518.2640
IMD + Noise at 15 kHz, %:22.898520.5276

This report was generated by RightMark Audio Analyzer 5.5