RightMark Audio Analyzer test report

Testing device Metrum Quad + JKSPDIF 16/48 DS
Sampling mode 16-bit, 48 kHz
Interface  
Testing chain JKSPDIF -> Metrum Quad -> Creative SB1240 | DirectSound 16/48
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)
-90.0
Very good
Dynamic range, dB (A)
86.4
Good
THD, %
0.054
Average
THD + Noise, dB (A)
-63.7
Poor
IMD + Noise, %
0.059
Good
Stereo crosstalk, dB
-89.5
Excellent
IMD at 10 kHz, %
0.108
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
-89.4
-89.0
RMS power (A-weighted), dB
-90.3
-89.8
Peak level, dB FS
-74.5
-72.7
DC offset, %
-0.0
-0.0



Dynamic range

Spectrum graph

 
Left
Right
Dynamic range, dB
+86.1
+85.7
Dynamic range (A-weighted), dB
+86.6
+86.1
DC offset, %
-0.00
-0.00



THD + Noise (at -3 dB FS)

Spectrum graph

 
Left
Right
THD, %
+0.0367
+0.0703
THD + Noise, %
+0.0385
+0.0711
THD + Noise (A-weighted), %
+0.0460
+0.0843



Intermodulation distortion

Spectrum graph

 
Left
Right
IMD + Noise, %
+0.0416
+0.0754
IMD + Noise (A-weighted), %
+0.0370
+0.0543



Stereo crosstalk

Spectrum graph

 
Left
Right
Crosstalk at 100 Hz, dB
-88
-90
Crosstalk at 1000 Hz, dB
-88
-89
Crosstalk at 10000 Hz, dB
-85
-84



IMD (swept tones)

Spectrum graph

 
Left
Right
IMD + Noise at 5000 Hz,
0.0617
0.0906
IMD + Noise at 10000 Hz,
0.0988
0.1069
IMD + Noise at 15000 Hz,
0.1414
0.1475