RightMark Audio Analyzer test report

Testing device Metrum Quad + JKSPDIF 24/48 DS
Sampling mode 24-bit, 48 kHz
Interface  
Testing chain JKSPDIF -> Metrum Quad -> Creative SB1240 | DirectSound 24/48
RMAA Version 6.3.0
   
   
20 Hz - 20 kHz filter ON
Normalize amplitude ON
Level change -2.9 dB / -3.0 dB
Mono mode OFF
Calibration singal, Hz 1000
Polarity correct/correct



Summary

Frequency response (from 40 Hz to 15 kHz), dB
+0.10, -1.56
Average
Noise level, dB (A)
-98.6
Excellent
Dynamic range, dB (A)
93.1
Very good
THD, %
0.054
Average
THD + Noise, dB (A)
-63.7
Poor
IMD + Noise, %
0.057
Good
Stereo crosstalk, dB
-93.3
Excellent
IMD at 10 kHz, %
0.106
Average
General performance
 
Good



Frequency response

Spectrum graph

 
Left
Right
From 20 Hz to 20 kHz, dB
-2.81, +0.17
-2.88, +0.10
From 40 Hz to 15 kHz, dB
-1.48, +0.17
-1.56, +0.10



Noise level

Spectrum graph

 
Left
Right
RMS power, dB
-99.7
-95.2
RMS power (A-weighted), dB
-101.2
-96.0
Peak level, dB FS
-80.7
-79.9
DC offset, %
-0.0
-0.0



Dynamic range

Spectrum graph

 
Left
Right
Dynamic range, dB
+93.3
+91.8
Dynamic range (A-weighted), dB
+93.9
+92.3
DC offset, %
+0.00
+0.00



THD + Noise (at -3 dB FS)

Spectrum graph

 
Left
Right
THD, %
+0.0369
+0.0711
THD + Noise, %
+0.0375
+0.0713
THD + Noise (A-weighted), %
+0.0455
+0.0847



Intermodulation distortion

Spectrum graph

 
Left
Right
IMD + Noise, %
+0.0404
+0.0743
IMD + Noise (A-weighted), %
+0.0357
+0.0533



Stereo crosstalk

Spectrum graph

 
Left
Right
Crosstalk at 100 Hz, dB
-89
-91
Crosstalk at 1000 Hz, dB
-89
-96
Crosstalk at 10000 Hz, dB
-87
-87



IMD (swept tones)

Spectrum graph

 
Left
Right
IMD + Noise at 5000 Hz,
0.0600
0.0895
IMD + Noise at 10000 Hz,
0.0980
0.1048
IMD + Noise at 15000 Hz,
0.1396
0.1461