RightMark Audio Analyzer test report

Testing device Silent-Box TDA2050 10W 8 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 -0.1 dB / -0.1 dB
Mono mode ON
Calibration singal, Hz 1000
Polarity correct/correct



Summary

Frequency response (from 40 Hz to 15 kHz), dB
+0.06, -0.42
Good
Noise level, dB (A)
-92.8
Very good
Dynamic range, dB (A)
92.8
Very good
THD, %
0.017
Good
THD + Noise, dB (A)
-72.9
Average
IMD + Noise, %
0.021
Good
Stereo crosstalk, dB
N/A
N/A
IMD at 10 kHz, %
0.031
Good
General performance
 
Good



Frequency response

Spectrum graph

 
Left
Right
From 20 Hz to 20 kHz, dB
-0.93, +0.06
-0.93, +0.06
From 40 Hz to 15 kHz, dB
-0.42, +0.06
-0.42, +0.06



Noise level

Spectrum graph

 
Left
Right
RMS power, dB
-90.2
-90.2
RMS power (A-weighted), dB
-92.8
-92.8
Peak level, dB FS
-77.1
-77.1
DC offset, %
-0.0
-0.0



Dynamic range

Spectrum graph

 
Left
Right
Dynamic range, dB
+90.3
+90.3
Dynamic range (A-weighted), dB
+92.8
+92.8
DC offset, %
-0.00
-0.00



THD + Noise (at -3 dB FS)

Spectrum graph

 
Left
Right
THD, %
+0.0170
+0.0170
THD + Noise, %
+0.0182
+0.0182
THD + Noise (A-weighted), %
+0.0226
+0.0226



Intermodulation distortion

Spectrum graph

 
Left
Right
IMD + Noise, %
+0.0211
+0.0211
IMD + Noise (A-weighted), %
+0.0194
+0.0194



IMD (swept tones)

Spectrum graph

 
Left
Right
IMD + Noise at 5000 Hz,
0.0508
0.0508
IMD + Noise at 10000 Hz,
0.0232
0.0232
IMD + Noise at 15000 Hz,
0.0192
0.0192