RightMark Audio Analyzer test report
| Testing device | Speaker (USB Sound Blaster HD, 4u7) |
| Sampling mode | 24-bit, 48 kHz |
| Interface | MME |
| Testing chain | External loopback (line-out - line-in) |
| RMAA Version | 6.2.3 |
| 20 Hz - 20 kHz filter | OFF |
| Normalize amplitude | ON |
| Level change | 0.2 dB / 0.2 dB |
| Mono mode | OFF |
| Calibration singal, Hz | 1000 |
| Polarity | correct/correct |
Summary
| Frequency response (from 40 Hz to 15 kHz), dB | +0.05, -0.11 |
Very good |
| Noise level, dB (A) | -108.0 |
Excellent |
| Dynamic range, dB (A) | 108.1 |
Excellent |
| THD, % | 0.0028 |
Excellent |
| THD + Noise, dB (A) | -88.1 |
Good |
| IMD + Noise, % | 0.0035 |
Excellent |
| Stereo crosstalk, dB | -101.7 |
Excellent |
| IMD at 10 kHz, % | 0.0057 |
Excellent |
| General performance | Very good |
Frequency response
| From 20 Hz to 20 kHz, dB | -0.40, +0.05 |
| From 40 Hz to 15 kHz, dB | -0.11, +0.05 |
Noise level
Left |
Right |
|
| RMS power, dB | -106.2 |
-103.5 |
| RMS power (A-weighted), dB | -109.6 |
-106.5 |
| Peak level, dB FS | -91.7 |
-88.9 |
| DC offset, % | +0.0 |
+0.0 |
Dynamic range
Left |
Right |
|
| Dynamic range, dB | +106.9 |
+103.1 |
| Dynamic range (A-weighted), dB | +109.6 |
+106.7 |
| DC offset, % | +0.00 |
+0.00 |
THD + Noise (at -3 dB FS)
Left |
Right |
|
| THD, % | +0.0029 |
+0.0028 |
| THD + Noise, % | +0.0032 |
+0.0031 |
| THD + Noise (A-weighted), % | +0.0040 |
+0.0039 |
Intermodulation distortion
Left |
Right |
|
| IMD + Noise, % | +0.0035 |
+0.0036 |
| IMD + Noise (A-weighted), % | +0.0028 |
+0.0029 |
Stereo crosstalk
Left |
Right |
|
| Crosstalk at 100 Hz, dB | -96 |
-97 |
| Crosstalk at 1000 Hz, dB | -100 |
-102 |
| Crosstalk at 10000 Hz, dB | -85 |
-86 |
IMD (swept tones)
Left |
Right |
|
| IMD + Noise at 5000 Hz, | 0.0069 |
0.0069 |
| IMD + Noise at 10000 Hz, | 0.0045 |
0.0045 |
| IMD + Noise at 15000 Hz, | 0.0056 |
0.0056 |