RightMark Audio Analyzer test report

Testing device Zhaolu D1.3 amp 16 ohm
Sampling mode 24-bit, 96 kHz
Interface  
Testing chain External loopback (line-out - line-in)
RMAA Version 6.2.3
   
   
20 Hz - 20 kHz filter ON
Normalize amplitude ON
Level change -8.3 dB / -8.4 dB
Mono mode OFF
Calibration singal, Hz 1000
Polarity correct/correct



Summary

Frequency response (from 40 Hz to 15 kHz), dB
+0.04, -0.36
Good
Noise level, dB (A)
-96.9
Excellent
Dynamic range, dB (A)
97.4
Excellent
THD, %
0.0055
Very good
THD + Noise, dB (A)
-82.2
Good
IMD + Noise, %
0.0077
Excellent
Stereo crosstalk, dB
-61.8
Average
IMD at 10 kHz, %
0.0071
Excellent
General performance
 
Very good



Frequency response

Spectrum graph

From 20 Hz to 20 kHz, dB
-0.68, +0.04
From 40 Hz to 15 kHz, dB
-0.36, +0.04



Noise level

Spectrum graph

 
Left
Right
RMS power, dB
-95.3
-95.2
RMS power (A-weighted), dB
-97.1
-96.7
Peak level, dB FS
-72.3
-71.7
DC offset, %
-0.0
-0.0



Dynamic range

Spectrum graph

 
Left
Right
Dynamic range, dB
+95.3
+94.6
Dynamic range (A-weighted), dB
+97.7
+97.1
DC offset, %
+0.00
+0.00



THD + Noise (at -3 dB FS)

Spectrum graph

 
Left
Right
THD, %
+0.0054
+0.0056
THD + Noise, %
+0.0064
+0.0067
THD + Noise (A-weighted), %
+0.0077
+0.0080



Intermodulation distortion

Spectrum graph

 
Left
Right
IMD + Noise, %
+0.0076
+0.0078
IMD + Noise (A-weighted), %
+0.0049
+0.0051



Stereo crosstalk

Spectrum graph

 
Left
Right
Crosstalk at 100 Hz, dB
-59
-59
Crosstalk at 1000 Hz, dB
-61
-61
Crosstalk at 10000 Hz, dB
-60
-61



IMD (swept tones)

Spectrum graph

 
Left
Right
IMD + Noise at 5000 Hz,
0.0086
0.0088
IMD + Noise at 10000 Hz,
0.0063
0.0065
IMD + Noise at 15000 Hz,
0.0060
0.0062