RightMark Audio Analyzer test report

Testing device HP_AMP_33ohm
Sampling mode 24-bit, 48 kHz
Interface  
Testing chain Test load 33ohm resistor
RMAA Version 6.2.5
   
   
20 Hz - 20 kHz filter ON
Normalize amplitude ON
Level change -2.0 dB / -2.5 dB
Mono mode OFF
Calibration singal, Hz 1000
Polarity correct/correct



Summary

Frequency response (from 40 Hz to 15 kHz), dB
+0.03, -0.17
Very good
Noise level, dB (A)
-94.9
Very good
Dynamic range, dB (A)
94.3
Very good
THD, %
0.0016
Excellent
THD + Noise, dB (A)
-88.4
Good
IMD + Noise, %
0.0048
Excellent
Stereo crosstalk, dB
-64.1
Average
IMD at 10 kHz, %
0.0043
Excellent
General performance
 
Very good



Frequency response

Spectrum graph

 
Left
Right
From 20 Hz to 20 kHz, dB
-0.29, +0.03
-0.76, -0.44
From 40 Hz to 15 kHz, dB
-0.17, +0.03
-0.64, -0.44



Noise level

Spectrum graph

 
Left
Right
RMS power, dB
-94.2
-92.6
RMS power (A-weighted), dB
-95.2
-94.7
Peak level, dB FS
-77.5
-77.5
DC offset, %
+0.0
+0.0



Dynamic range

Spectrum graph

 
Left
Right
Dynamic range, dB
+93.7
+92.3
Dynamic range (A-weighted), dB
+94.6
+94.1
DC offset, %
+0.00
+0.00



THD + Noise (at -3 dB FS)

Spectrum graph

 
Left
Right
THD, %
+0.0014
+0.0018
THD + Noise, %
+0.0037
+0.0048
THD + Noise (A-weighted), %
+0.0035
+0.0041



Intermodulation distortion

Spectrum graph

 
Left
Right
IMD + Noise, %
+0.0045
+0.0052
IMD + Noise (A-weighted), %
+0.0042
+0.0046



Stereo crosstalk

Spectrum graph

 
Left
Right
Crosstalk at 100 Hz, dB
-63
-64
Crosstalk at 1000 Hz, dB
-63
-63
Crosstalk at 10000 Hz, dB
-57
-58



IMD (swept tones)

Spectrum graph

 
Left
Right
IMD + Noise at 5000 Hz,
0.0051
0.0052
IMD + Noise at 10000 Hz,
0.0038
0.0040
IMD + Noise at 15000 Hz,
0.0039
0.0040