2012年4月15日日曜日

Duet2 RMAA 24bit 44.1kHz (balanced)

RightMark Audio Analyzer test : duet2 44 balanced

RightMark Audio Analyzer test report

Testing device duet2 44 balanced
Sampling mode 24-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 -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, -0.13
Very good
Noise level, dB (A)
-107.4
Excellent
Dynamic range, dB (A)
106.7
Excellent
THD, %
0.0007
Excellent
THD + Noise, dB (A)
-100.2
Excellent
IMD + Noise, %
0.0014
Excellent
Stereo crosstalk, dB
-108.3
Excellent
IMD at 10 kHz, %
0.0015
Excellent
General performance
Very good



Frequency response



From 20 Hz to 20 kHz, dB
-0.24, +0.03
From 40 Hz to 15 kHz, dB
-0.13, +0.03



Noise level



Left
Right
RMS power, dB
-106.3
-107.0
RMS power (A-weighted), dB
-106.9
-107.9
Peak level, dB FS
-91.1
-91.4
DC offset, %
+0.0
+0.0



Dynamic range



Left
Right
Dynamic range, dB
+106.3
+106.3
Dynamic range (A-weighted), dB
+106.7
+106.7
DC offset, %
+0.00
+0.00



THD + Noise (at -3 dB FS)



Left
Right
THD, %
+0.0008
+0.0006
THD + Noise, %
+0.0012
+0.0011
THD + Noise (A-weighted), %
+0.0010
+0.0009



Intermodulation distortion



Left
Right
IMD + Noise, %
+0.0015
+0.0013
IMD + Noise (A-weighted), %
+0.0012
+0.0012



Stereo crosstalk



Left
Right
Crosstalk at 100 Hz, dB
-113
-111
Crosstalk at 1000 Hz, dB
-108
-107
Crosstalk at 10000 Hz, dB
-106
-106



IMD (swept tones)



Left
Right
IMD + Noise at 5000 Hz,
0.0015
0.0015
IMD + Noise at 10000 Hz,
0.0015
0.0015
IMD + Noise at 15000 Hz,
0.0015
0.0015