RightMark Audio Analyzer test report

Testing device Deviltech Fragbook DTX
Sampling mode 16-bit, 44 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 -2.4 dB / -2.1 dB
Mono mode OFF
Calibration singal, Hz 1000
Polarity inverted/inverted



Summary

Frequency response (from 40 Hz to 15 kHz), dB
+0.32, -4.53
Poor
Noise level, dB (A)
-83.6
Good
Dynamic range, dB (A)
83.8
Good
THD, %
0.0080
Very good
THD + Noise, dB (A)
-75.9
Average
IMD + Noise, %
0.842
Poor
Stereo crosstalk, dB
-81.8
Very good
IMD at 10 kHz, %
0.019
Very good
General performance
 
Good



Frequency response

Spectrum graph

From 20 Hz to 20 kHz, dB
-9.25, +0.32
From 40 Hz to 15 kHz, dB
-4.53, +0.32



Noise level

Spectrum graph

 
Left
Right
RMS power, dB
-80.9
-80.6
RMS power (A-weighted), dB
-83.7
-83.5
Peak level, dB FS
-53.2
-53.0
DC offset, %
-0.0
-0.0



Dynamic range

Spectrum graph

 
Left
Right
Dynamic range, dB
+81.7
+81.4
Dynamic range (A-weighted), dB
+84.0
+83.7
DC offset, %
-0.00
-0.00



THD + Noise (at -3 dB FS)

Spectrum graph

 
Left
Right
THD, %
+0.0084
+0.0076
THD + Noise, %
+0.0189
+0.0181
THD + Noise (A-weighted), %
+0.0163
+0.0157



Intermodulation distortion

Spectrum graph

 
Left
Right
IMD + Noise, %
+0.8393
+0.8453
IMD + Noise (A-weighted), %
+0.1620
+0.1657



Stereo crosstalk

Spectrum graph

 
Left
Right
Crosstalk at 100 Hz, dB
-80
-81
Crosstalk at 1000 Hz, dB
-81
-81
Crosstalk at 10000 Hz, dB
-74
-75



IMD (swept tones)

Spectrum graph

 
Left
Right
IMD + Noise at 5000 Hz,
0.0199
0.0190
IMD + Noise at 10000 Hz,
0.0195
0.0193
IMD + Noise at 15000 Hz,
0.0200
0.0186