RightMark Audio Analyzer test report
| Testing device | Haut-parleurs (6- USB Audio DAC ) |
| Sampling mode | 16-bit, 44 kHz |
| Interface | DirectSound |
| Testing chain | External loopback (line-out - line-in) |
| RMAA Version | 6.4.0 |
| 20 Hz - 20 kHz filter | ON |
| Normalize amplitude | ON |
| Level change | -1.0 dB / -0.5 dB |
| Mono mode | OFF |
| Calibration singal, Hz | 1000 |
| Polarity | correct/correct |
Summary
| Frequency response (from 40 Hz to 15 kHz), dB | +0.50, +0.45 |
Excellent |
| Noise level, dB (A) | -94.1 |
Very good |
| Dynamic range, dB (A) | 94.1 |
Very good |
| THD, % | 0.0018 |
Excellent |
| THD + Noise, dB (A) | -85.7 |
Good |
| IMD + Noise, % | 0.0063 |
Excellent |
| Stereo crosstalk, dB | -73.9 |
Good |
| IMD at 10 kHz, % | 0.0072 |
Excellent |
| General performance | Very good |
Frequency response
Left |
Right |
|
| From 20 Hz to 20 kHz, dB | -0.08, +0.00 |
+0.41, +0.50 |
| From 40 Hz to 15 kHz, dB | -0.04, +0.00 |
+0.45, +0.50 |
Noise level
Left |
Right |
|
| RMS power, dB | -93.3 |
-92.9 |
| RMS power (A-weighted), dB | -94.3 |
-93.9 |
| Peak level, dB FS | -78.5 |
-78.6 |
| DC offset, % | -0.0 |
-0.0 |
Dynamic range
Left |
Right |
|
| Dynamic range, dB | +93.3 |
+92.9 |
| Dynamic range (A-weighted), dB | +94.3 |
+93.9 |
| DC offset, % | -0.00 |
-0.00 |
THD + Noise (at -3 dB FS)
Left |
Right |
|
| THD, % | +0.0013 |
+0.0023 |
| THD + Noise, % | +0.0053 |
+0.0056 |
| THD + Noise (A-weighted), % | +0.0049 |
+0.0054 |
Intermodulation distortion
Left |
Right |
|
| IMD + Noise, % | +0.0062 |
+0.0064 |
| IMD + Noise (A-weighted), % | +0.0055 |
+0.0056 |
Stereo crosstalk
Left |
Right |
|
| Crosstalk at 100 Hz, dB | -74 |
-72 |
| Crosstalk at 1000 Hz, dB | -74 |
-72 |
| Crosstalk at 10000 Hz, dB | -72 |
-72 |
IMD (swept tones)
Left |
Right |
|
| IMD + Noise at 5000 Hz, | 0.0065 |
0.0068 |
| IMD + Noise at 10000 Hz, | 0.0063 |
0.0072 |
| IMD + Noise at 15000 Hz, | 0.0075 |
0.0092 |