RightMark Audio Analyzer test report (0dBFS = +22dBu)

Testing device [ASIO] Focusrite USB ASIO
Sampling mode 24-bit, 96 kHz
Interface ASIO
Testing chain Transformerless Vari Mu (Gain 19dB)
RMAA Version 6.4.5
   
   
20 Hz - 20 kHz filter ON
Normalize amplitude ON
Level change -0.0 dB / -0.0 dB
Mono mode OFF
Calibration singal, Hz 1000
Polarity correct/correct



Summary

Frequency response (from 40 Hz to 15 kHz), dB
+0.03, -0.05
Excellent
Noise level, dB (A)
-100.8
Excellent
Dynamic range, dB (A)
100.8
Excellent
THD, %
0.057
Average
THD + Noise, dB (A)
-62.4
Poor
IMD + Noise, %
0.052
Good
Stereo crosstalk, dB
-86.4
Excellent
IMD at 10 kHz, %
0.050
Good
General performance
 
Very good



Frequency response

Spectrum graph

 
Left
Right
From 20 Hz to 20 kHz, dB
-0.18, +0.06
-0.18, +0.04
From 40 Hz to 15 kHz, dB
-0.05, +0.03
-0.06, +0.02



Noise level

Spectrum graph

Sharply rising noise above 28kHz comes from the audio interface!


 
Left
Right
RMS power, dB
-99.8
-99.7
RMS power (A-weighted), dB
-100.9
-100.8
Peak level, dB FS
-73.0
-73.7
DC offset, %
+0.0
+0.0



Dynamic range

Spectrum graph

 
Left
Right
Dynamic range, dB
+99.9
+99.7
Dynamic range (A-weighted), dB
+100.9
+100.7
DC offset, %
+0.00
+0.00



THD + Noise (at -3 dB FS)

Spectrum graph

 
Left
Right
THD, %
0.06175
0.05199
THD + Noise, %
0.06184
0.05211
THD + Noise (A-weighted), %
0.08219
0.06986



Intermodulation distortion

Spectrum graph

 
Left
Right
IMD + Noise, %
0.05740
0.04757
IMD + Noise (A-weighted), %
0.03993
0.03538



Stereo crosstalk

Spectrum graph

 
Left
Right
Crosstalk at 100 Hz, dB
-94
-99
Crosstalk at 1000 Hz, dB
-87
-84
Crosstalk at 10000 Hz, dB
-67
-64



IMD (swept tones)

Spectrum graph

 
Left
Right
IMD + Noise at 5000 Hz,
0.06855
0.05663
IMD + Noise at 10000 Hz,
0.04732
0.03931
IMD + Noise at 15000 Hz,
0.04647
0.03939