RightMark Audio Analyzer test report

Testing device Silent-Box USB DAC SB4816A7 load: headphones 32 Ohm
Sampling mode 16-bit, 44 kHz
Interface E-MU 0404PCI
Testing chain External loopback (line-out - line-in)
RMAA Version 6.4.2
   
   
20 Hz - 20 kHz filter ON
Normalize amplitude ON
Level change -2.6 dB / -2.6 dB
Mono mode OFF
Calibration singal, Hz 1000
Polarity correct/correct



Summary

Frequency response (from 40 Hz to 15 kHz), dB
+0.22, -0.02
Very good
Noise level, dB (A)
-91.7
Very good
Dynamic range, dB (A)
91.8
Very good
THD, %
0.0061
Very good
THD + Noise, dB (A)
-80.0
Average
IMD + Noise, %
0.011
Very good
Stereo crosstalk, dB
-55.2
Average
IMD at 10 kHz, %
0.010
Very good
General performance
 
Very good



Frequency response

Spectrum graph

 
Left
Right
From 20 Hz to 20 kHz, dB
-0.19, +0.13
-0.14, +0.22
From 40 Hz to 15 kHz, dB
-0.07, +0.07
-0.02, +0.22



Noise level

Spectrum graph

 
Left
Right
RMS power, dB
-90.6
-90.4
RMS power (A-weighted), dB
-91.8
-91.7
Peak level, dB FS
-77.4
-77.4
DC offset, %
-0.0
-0.0



Dynamic range

Spectrum graph

 
Left
Right
Dynamic range, dB
+90.5
+90.5
Dynamic range (A-weighted), dB
+91.8
+91.8
DC offset, %
-0.00
-0.00



THD + Noise (at -3 dB FS)

Spectrum graph

 
Left
Right
THD, %
+0.0057
+0.0068
THD + Noise, %
+0.0099
+0.0106
THD + Noise (A-weighted), %
+0.0102
+0.0120



Intermodulation distortion

Spectrum graph

 
Left
Right
IMD + Noise, %
+0.0104
+0.0110
IMD + Noise (A-weighted), %
+0.0078
+0.0077



Stereo crosstalk

Spectrum graph

 
Left
Right
Crosstalk at 100 Hz, dB
-52
-53
Crosstalk at 1000 Hz, dB
-54
-54
Crosstalk at 10000 Hz, dB
-54
-54



IMD (swept tones)

Spectrum graph

 
Left
Right
IMD + Noise at 5000 Hz,
0.0101
0.0115
IMD + Noise at 10000 Hz,
0.0094
0.0100
IMD + Noise at 15000 Hz,
0.0097
0.0099