RightMark Audio Analyzer test report

Testing device Silent-Box SBox6120 Headphone AMP
Sampling mode 16-bit, 44 kHz
Interface ASIO E-MU 0404PCI
Testing chain External loopback (line-out - line-in)
RMAA Version 6.4.5
   
   
20 Hz - 20 kHz filter ON
Normalize amplitude ON
Level change -0.4 dB / -0.3 dB
Mono mode OFF
Calibration singal, Hz 1000
Polarity correct/correct



Summary

Frequency response (from 40 Hz to 15 kHz), dB
+0.15, -0.12
Very good
Noise level, dB (A)
-96.3
Excellent
Dynamic range, dB (A)
96.4
Excellent
THD, %
0.00071
Excellent
THD + Noise, dB (A)
-89.6
Good
IMD + Noise, %
0.00468
Excellent
Stereo crosstalk, dB
-83.1
Very good
IMD at 10 kHz, %
0.00482
Excellent
General performance
 
Very good



Frequency response

Spectrum graph

 
Left
Right
From 20 Hz to 20 kHz, dB
-0.33, +0.23
-0.27, +0.28
From 40 Hz to 15 kHz, dB
-0.12, +0.15
-0.05, +0.20



Noise level

Spectrum graph

 
Left
Right
RMS power, dB
-94.4
-94.7
RMS power (A-weighted), dB
-96.3
-96.4
Peak level, dB FS
-82.2
-82.2
DC offset, %
-0.0
-0.0



Dynamic range

Spectrum graph

 
Left
Right
Dynamic range, dB
+94.6
+95.0
Dynamic range (A-weighted), dB
+96.3
+96.4
DC offset, %
-0.00
-0.00



THD + Noise (at -3 dB FS)

Spectrum graph

 
Left
Right
THD, %
0.00067
0.00075
THD + Noise, %
0.00396
0.00380
THD + Noise (A-weighted), %
0.00330
0.00331



Intermodulation distortion

Spectrum graph

 
Left
Right
IMD + Noise, %
0.00480
0.00456
IMD + Noise (A-weighted), %
0.00396
0.00391



Stereo crosstalk

Spectrum graph

 
Left
Right
Crosstalk at 100 Hz, dB
-82
-82
Crosstalk at 1000 Hz, dB
-82
-82
Crosstalk at 10000 Hz, dB
-72
-74



IMD (swept tones)

Spectrum graph

 
Left
Right
IMD + Noise at 5000 Hz,
0.00480
0.00473
IMD + Noise at 10000 Hz,
0.00470
0.00469
IMD + Noise at 15000 Hz,
0.00490
0.00509