RightMark Audio Analyzer test report

Testing device Haut-parleurs (6- USB Audio DAC )
Sampling mode 16-bit, 44 kHz
Interface DirectSound
Testing chain External loopback (line-out - line-in)
RMAA Version 6.4.0
   
   
20 Hz - 20 kHz filter ON
Normalize amplitude ON
Level change -1.0 dB / -0.5 dB
Mono mode OFF
Calibration singal, Hz 1000
Polarity correct/correct



Summary

Frequency response (from 40 Hz to 15 kHz), dB
+0.50, +0.45
Excellent
Noise level, dB (A)
-94.1
Very good
Dynamic range, dB (A)
94.1
Very good
THD, %
0.0018
Excellent
THD + Noise, dB (A)
-85.7
Good
IMD + Noise, %
0.0063
Excellent
Stereo crosstalk, dB
-73.9
Good
IMD at 10 kHz, %
0.0072
Excellent
General performance
 
Very good



Frequency response

Spectrum graph

 
Left
Right
From 20 Hz to 20 kHz, dB
-0.08, +0.00
+0.41, +0.50
From 40 Hz to 15 kHz, dB
-0.04, +0.00
+0.45, +0.50



Noise level

Spectrum graph

 
Left
Right
RMS power, dB
-93.3
-92.9
RMS power (A-weighted), dB
-94.3
-93.9
Peak level, dB FS
-78.5
-78.6
DC offset, %
-0.0
-0.0



Dynamic range

Spectrum graph

 
Left
Right
Dynamic range, dB
+93.3
+92.9
Dynamic range (A-weighted), dB
+94.3
+93.9
DC offset, %
-0.00
-0.00



THD + Noise (at -3 dB FS)

Spectrum graph

 
Left
Right
THD, %
+0.0013
+0.0023
THD + Noise, %
+0.0053
+0.0056
THD + Noise (A-weighted), %
+0.0049
+0.0054



Intermodulation distortion

Spectrum graph

 
Left
Right
IMD + Noise, %
+0.0062
+0.0064
IMD + Noise (A-weighted), %
+0.0055
+0.0056



Stereo crosstalk

Spectrum graph

 
Left
Right
Crosstalk at 100 Hz, dB
-74
-72
Crosstalk at 1000 Hz, dB
-74
-72
Crosstalk at 10000 Hz, dB
-72
-72



IMD (swept tones)

Spectrum graph

 
Left
Right
IMD + Noise at 5000 Hz,
0.0065
0.0068
IMD + Noise at 10000 Hz,
0.0063
0.0072
IMD + Noise at 15000 Hz,
0.0075
0.0092