RightMark Audio Analyzer test report

Testing device LM1875x4
Sampling mode 24-bit, 48 kHz
Interface  
Testing chain External loopback (line-out - line-in)
RMAA Version 6.4.5
   
   
20 Hz - 20 kHz filter ON
Normalize amplitude ON
Level change 0.2 dB / 0.2 dB
Mono mode ON
Calibration singal, Hz 1000
Polarity correct/correct



Summary

Frequency response (from 40 Hz to 15 kHz), dB
+0.02, -0.15
Very good
Noise level, dB (A)
-105.4
Excellent
Dynamic range, dB (A)
105.4
Excellent
THD, %
0.00351
Very good
THD + Noise, dB (A)
-85.9
Good
IMD + Noise, %
0.00788
Excellent
Stereo crosstalk, dB
N/A
N/A
IMD at 10 kHz, %
0.013
Very good
General performance
 
Very good



Frequency response

Spectrum graph

 
Left
Right
From 20 Hz to 20 kHz, dB
-0.27, +0.02
-0.27, +0.02
From 40 Hz to 15 kHz, dB
-0.15, +0.02
-0.15, +0.02



Noise level

Spectrum graph

 
Left
Right
RMS power, dB
-102.3
-102.3
RMS power (A-weighted), dB
-105.4
-105.4
Peak level, dB FS
-74.9
-74.9
DC offset, %
+0.0
+0.0



Dynamic range

Spectrum graph

 
Left
Right
Dynamic range, dB
+102.9
+102.9
Dynamic range (A-weighted), dB
+105.4
+105.4
DC offset, %
+0.00
+0.00



THD + Noise (at -3 dB FS)

Spectrum graph

 
Left
Right
THD, %
0.00351
0.00351
THD + Noise, %
0.00442
0.00442
THD + Noise (A-weighted), %
0.00507
0.00507



Intermodulation distortion

Spectrum graph

 
Left
Right
IMD + Noise, %
0.00788
0.00788
IMD + Noise (A-weighted), %
0.00652
0.00652



IMD (swept tones)

Spectrum graph

 
Left
Right
IMD + Noise at 5000 Hz,
0.01536
0.01536
IMD + Noise at 10000 Hz,
0.01181
0.01181
IMD + Noise at 15000 Hz,
0.01163
0.01163