RightMark Audio Analyzer test report
| Testing device | Silent-Box LM3866 10W 8 Ohm |
| Sampling mode | 16-bit, 44 kHz |
| Interface | E-MU 0404PCI |
| Testing chain | External loopback (line-out - line-in) |
| RMAA Version | 6.4.2 |
| 20 Hz - 20 kHz filter | ON |
| Normalize amplitude | ON |
| Level change | -0.6 dB / -0.6 dB |
| Mono mode | ON |
| Calibration singal, Hz | 1000 |
| Polarity | correct/correct |
Summary
| Frequency response (from 40 Hz to 15 kHz), dB | +0.06, -0.36 |
Good |
| Noise level, dB (A) | -92.8 |
Very good |
| Dynamic range, dB (A) | 92.6 |
Very good |
| THD, % | 0.0080 |
Very good |
| THD + Noise, dB (A) | -78.9 |
Average |
| IMD + Noise, % | 0.0098 |
Very good |
| Stereo crosstalk, dB | N/A |
N/A |
| IMD at 10 kHz, % | 0.025 |
Good |
| General performance | Good |
Frequency response
Left |
Right |
|
| From 20 Hz to 20 kHz, dB | -0.79, +0.06 |
-0.79, +0.06 |
| From 40 Hz to 15 kHz, dB | -0.36, +0.06 |
-0.36, +0.06 |
Noise level
Left |
Right |
|
| RMS power, dB | -89.0 |
-89.0 |
| RMS power (A-weighted), dB | -92.8 |
-92.8 |
| Peak level, dB FS | -74.9 |
-74.9 |
| DC offset, % | -0.0 |
-0.0 |
Dynamic range
Left |
Right |
|
| Dynamic range, dB | +88.7 |
+88.7 |
| Dynamic range (A-weighted), dB | +92.6 |
+92.6 |
| DC offset, % | -0.00 |
-0.00 |
THD + Noise (at -3 dB FS)
Left |
Right |
|
| THD, % | +0.0080 |
+0.0080 |
| THD + Noise, % | +0.0108 |
+0.0108 |
| THD + Noise (A-weighted), % | +0.0113 |
+0.0113 |
Intermodulation distortion
Left |
Right |
|
| IMD + Noise, % | +0.0098 |
+0.0098 |
| IMD + Noise (A-weighted), % | +0.0071 |
+0.0071 |
IMD (swept tones)
Left |
Right |
|
| IMD + Noise at 5000 Hz, | 0.0251 |
0.0251 |
| IMD + Noise at 10000 Hz, | 0.0237 |
0.0237 |
| IMD + Noise at 15000 Hz, | 0.0257 |
0.0257 |