RightMark Audio Analyzer test report

Testing device iPod Touch 4G -> Leckerton UHA-4
Sampling mode 16-bit, 44 kHz
Interface  
Testing chain Triple.Fi 10
RMAA Version 6.2.3
   
   
20 Hz - 20 kHz filter ON
Normalize amplitude ON
Level change 1.1 dB / 1.1 dB
Mono mode OFF
Calibration singal, Hz 1000
Polarity correct/correct



Summary

Frequency response (from 40 Hz to 15 kHz), dB
+0.05, -0.16
Very good
Noise level, dB (A)
-91.0
Very good
Dynamic range, dB (A)
91.0
Very good
THD, %
0.010
Good
THD + Noise, dB (A)
-77.7
Average
IMD + Noise, %
0.019
Very good
Stereo crosstalk, dB
-76.9
Very good
IMD at 10 kHz, %
0.029
Good
General performance
 
Good



Frequency response

Spectrum graph

From 20 Hz to 20 kHz, dB
-0.47, +0.05
From 40 Hz to 15 kHz, dB
-0.16, +0.05



Noise level

Spectrum graph

 
Left
Right
RMS power, dB
-88.6
-88.6
RMS power (A-weighted), dB
-91.0
-91.0
Peak level, dB FS
-75.8
-75.8
DC offset, %
+0.0
+0.0



Dynamic range

Spectrum graph

 
Left
Right
Dynamic range, dB
+88.5
+88.5
Dynamic range (A-weighted), dB
+91.0
+91.0
DC offset, %
-0.00
-0.00



THD + Noise (at -3 dB FS)

Spectrum graph

 
Left
Right
THD, %
+0.0100
+0.0102
THD + Noise, %
+0.0128
+0.0129
THD + Noise (A-weighted), %
+0.0128
+0.0132



Intermodulation distortion

Spectrum graph

 
Left
Right
IMD + Noise, %
+0.0194
+0.0191
IMD + Noise (A-weighted), %
+0.0164
+0.0162



Stereo crosstalk

Spectrum graph

 
Left
Right
Crosstalk at 100 Hz, dB
-76
-76
Crosstalk at 1000 Hz, dB
-76
-76
Crosstalk at 10000 Hz, dB
-78
-80



IMD (swept tones)

Spectrum graph

 
Left
Right
IMD + Noise at 5000 Hz,
0.0295
0.0292
IMD + Noise at 10000 Hz,
0.0295
0.0292
IMD + Noise at 15000 Hz,
0.0295
0.0292