RightMark Audio Analyzer test report

Testing device 线路输入 (2- Scarlett 18i20 USB
Sampling mode 24-bit, 44 kHz
Interface MME
Testing chain External loopback (line-out - line-in)
RMAA Version 6.3.0
   
   
20 Hz - 20 kHz filter ON
Normalize amplitude ON
Level change 0.0 dB / 0.3 dB
Mono mode OFF
Calibration singal, Hz 1000
Polarity inverted/inverted



Summary

Frequency response (from 40 Hz to 15 kHz), dB
+0.28, +0.22
Excellent
Noise level, dB (A)
-96.9
Excellent
Dynamic range, dB (A)
96.2
Excellent
THD, %
0.0046
Very good
THD + Noise, dB (A)
-83.3
Good
IMD + Noise, %
0.010
Very good
Stereo crosstalk, dB
-94.1
Excellent
IMD at 10 kHz, %
0.014
Very good
General performance
 
Very good



Frequency response

Spectrum graph

 
Left
Right
From 20 Hz to 20 kHz, dB
-0.16, +0.01
+0.10, +0.28
From 40 Hz to 15 kHz, dB
-0.05, +0.01
+0.22, +0.28



Noise level

Spectrum graph

 
Left
Right
RMS power, dB
-96.1
-95.8
RMS power (A-weighted), dB
-97.0
-96.8
Peak level, dB FS
-84.4
-84.5
DC offset, %
-0.0
-0.0



Dynamic range

Spectrum graph

 
Left
Right
Dynamic range, dB
+95.2
+95.1
Dynamic range (A-weighted), dB
+96.2
+96.2
DC offset, %
-0.00
-0.00



THD + Noise (at -3 dB FS)

Spectrum graph

 
Left
Right
THD, %
+0.0046
+0.0046
THD + Noise, %
+0.0059
+0.0059
THD + Noise (A-weighted), %
+0.0068
+0.0068



Intermodulation distortion

Spectrum graph

 
Left
Right
IMD + Noise, %
+0.0102
+0.0101
IMD + Noise (A-weighted), %
+0.0098
+0.0097



Stereo crosstalk

Spectrum graph

 
Left
Right
Crosstalk at 100 Hz, dB
-92
-94
Crosstalk at 1000 Hz, dB
-93
-93
Crosstalk at 10000 Hz, dB
-90
-77



IMD (swept tones)

Spectrum graph

 
Left
Right
IMD + Noise at 5000 Hz,
0.0230
0.0227
IMD + Noise at 10000 Hz,
0.0111
0.0110
IMD + Noise at 15000 Hz,
0.0075
0.0074