RightMark Audio Analyzer test report
| Testing device | [MME] Speakers (USB Sound Device) |
| Sampling mode | 16-bit, 48 kHz |
| Interface | MME |
| Testing chain | External loopback (line-out - line-in) |
| RMAA Version | 6.4.5 |
| 20 Hz - 20 kHz filter | ON |
| Normalize amplitude | ON |
| Level change | -0.1 dB / 0.1 dB |
| Mono mode | OFF |
| Calibration singal, Hz | 1000 |
| Polarity | correct/correct |
Summary
| Frequency response (from 40 Hz to 15 kHz), dB | +0.46, -0.41 |
Good |
| Noise level, dB (A) | -87.1 |
Good |
| Dynamic range, dB (A) | 87.2 |
Good |
| THD, % | 0.019 |
Good |
| THD + Noise, dB (A) | -71.5 |
Average |
| IMD + Noise, % | 0.171 |
Average |
| Stereo crosstalk, dB | -41.8 |
Poor |
| IMD at 10 kHz, % | 0.024 |
Good |
| General performance | Good |
Frequency response
/fr.png)
Left |
Right |
|
| From 20 Hz to 20 kHz, dB | -1.80, +0.27 |
-2.23, +0.46 |
| From 40 Hz to 15 kHz, dB | -0.37, +0.27 |
-0.41, +0.46 |
Noise level
/noise.png)
Left |
Right |
|
| RMS power, dB | -85.7 |
-86.0 |
| RMS power (A-weighted), dB | -87.0 |
-87.1 |
| Peak level, dB FS | -71.9 |
-72.3 |
| DC offset, % | +0.2 |
+3.6 |
Dynamic range
/dynamics.png)
Left |
Right |
|
| Dynamic range, dB | +85.7 |
+86.1 |
| Dynamic range (A-weighted), dB | +87.1 |
+87.2 |
| DC offset, % | +0.18 |
+3.60 |
THD + Noise (at -3 dB FS)
/thd.png)
Left |
Right |
|
| THD, % | 0.01895 |
0.01941 |
| THD + Noise, % | 0.02199 |
0.02231 |
| THD + Noise (A-weighted), % | 0.02640 |
0.02688 |
Intermodulation distortion
/imd.png)
Left |
Right |
|
| IMD + Noise, % | 0.10196 |
0.23977 |
| IMD + Noise (A-weighted), % | 0.03566 |
0.06684 |
Stereo crosstalk
/cross.png)
Left |
Right |
|
| Crosstalk at 100 Hz, dB | 0 |
-83 |
| Crosstalk at 1000 Hz, dB | 0 |
-82 |
| Crosstalk at 10000 Hz, dB | 0 |
-83 |
IMD (swept tones)
/imdswept.png)
Left |
Right |
|
| IMD + Noise at 5000 Hz, | 0.03121 |
0.03145 |
| IMD + Noise at 10000 Hz, | 0.02161 |
0.02136 |
| IMD + Noise at 15000 Hz, | 0.01964 |
0.01871 |