RightMark Audio Analyzer test report

Testing device Astell&Kern AK120
Sampling mode 16-bit, 44 kHz
Interface  
Testing chain UE Triple.Fi 10
RMAA Version 6.2.3
   
   
20 Hz - 20 kHz filter ON
Normalize amplitude ON
Level change -0.0 dB / -0.1 dB
Mono mode OFF
Calibration singal, Hz 1000
Polarity inverted/inverted



Summary

Frequency response (from 40 Hz to 15 kHz), dB
+0.89, -2.31
Average
Noise level, dB (A)
-91.3
Very good
Dynamic range, dB (A)
91.3
Very good
THD, %
0.025
Good
THD + Noise, dB (A)
-69.5
Average
IMD + Noise, %
0.013
Very good
Stereo crosstalk, dB
-84.5
Very good
IMD at 10 kHz, %
0.017
Very good
General performance
 
Good



Frequency response

Spectrum graph

From 20 Hz to 20 kHz, dB
-2.31, +0.89
From 40 Hz to 15 kHz, dB
-2.31, +0.89



Noise level

Spectrum graph

 
Left
Right
RMS power, dB
-89.5
-89.6
RMS power (A-weighted), dB
-91.3
-91.3
Peak level, dB FS
-76.2
-76.2
DC offset, %
+0.0
+0.0



Dynamic range

Spectrum graph

 
Left
Right
Dynamic range, dB
+89.6
+89.6
Dynamic range (A-weighted), dB
+91.3
+91.4
DC offset, %
-0.00
-0.00



THD + Noise (at -3 dB FS)

Spectrum graph

 
Left
Right
THD, %
+0.0266
+0.0227
THD + Noise, %
+0.0275
+0.0238
THD + Noise (A-weighted), %
+0.0359
+0.0307



Intermodulation distortion

Spectrum graph

 
Left
Right
IMD + Noise, %
+0.0137
+0.0115
IMD + Noise (A-weighted), %
+0.0089
+0.0080



Stereo crosstalk

Spectrum graph

 
Left
Right
Crosstalk at 100 Hz, dB
-74
-74
Crosstalk at 1000 Hz, dB
-83
-84
Crosstalk at 10000 Hz, dB
-48
-48



IMD (swept tones)

Spectrum graph

 
Left
Right
IMD + Noise at 5000 Hz,
0.0165
0.0183
IMD + Noise at 10000 Hz,
0.0165
0.0183
IMD + Noise at 15000 Hz,
0.0165
0.0183