RightMark Audio Analyzer test report

Testing device Speaker (USB Sound Blaster HD, 4u7)
Sampling mode 24-bit, 48 kHz
Interface MME
Testing chain External loopback (line-out - line-in)
RMAA Version 6.2.3
   
   
20 Hz - 20 kHz filter OFF
Normalize amplitude ON
Level change 0.2 dB / 0.2 dB
Mono mode OFF
Calibration singal, Hz 1000
Polarity correct/correct



Summary

Frequency response (from 40 Hz to 15 kHz), dB
+0.05, -0.11
Very good
Noise level, dB (A)
-108.0
Excellent
Dynamic range, dB (A)
108.1
Excellent
THD, %
0.0028
Excellent
THD + Noise, dB (A)
-88.1
Good
IMD + Noise, %
0.0035
Excellent
Stereo crosstalk, dB
-101.7
Excellent
IMD at 10 kHz, %
0.0057
Excellent
General performance
 
Very good



Frequency response

Spectrum graph

From 20 Hz to 20 kHz, dB
-0.40, +0.05
From 40 Hz to 15 kHz, dB
-0.11, +0.05



Noise level

Spectrum graph

 
Left
Right
RMS power, dB
-106.2
-103.5
RMS power (A-weighted), dB
-109.6
-106.5
Peak level, dB FS
-91.7
-88.9
DC offset, %
+0.0
+0.0



Dynamic range

Spectrum graph

 
Left
Right
Dynamic range, dB
+106.9
+103.1
Dynamic range (A-weighted), dB
+109.6
+106.7
DC offset, %
+0.00
+0.00



THD + Noise (at -3 dB FS)

Spectrum graph

 
Left
Right
THD, %
+0.0029
+0.0028
THD + Noise, %
+0.0032
+0.0031
THD + Noise (A-weighted), %
+0.0040
+0.0039



Intermodulation distortion

Spectrum graph

 
Left
Right
IMD + Noise, %
+0.0035
+0.0036
IMD + Noise (A-weighted), %
+0.0028
+0.0029



Stereo crosstalk

Spectrum graph

 
Left
Right
Crosstalk at 100 Hz, dB
-96
-97
Crosstalk at 1000 Hz, dB
-100
-102
Crosstalk at 10000 Hz, dB
-85
-86



IMD (swept tones)

Spectrum graph

 
Left
Right
IMD + Noise at 5000 Hz,
0.0069
0.0069
IMD + Noise at 10000 Hz,
0.0045
0.0045
IMD + Noise at 15000 Hz,
0.0056
0.0056



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