RightMark Audio Analyzer test report
| Testing device | MHzclassd |
| Sampling mode | 16-bit, 44 kHz |
| Interface | |
| Testing chain | MHz Class D amplifier test, no AF error feedback (line-out - line-in) |
| RMAA Version | 6.0.6 |
| 20 Hz - 20 kHz filter | ON |
| Normalize amplitude | ON |
| Level change | -4.5 dB / -4.5 dB |
| Mono mode | OFF |
| Calibration singal, Hz | 1000 |
| Polarity | correct/correct |
Summary
| Frequency response (from 40 Hz to 15 kHz), dB | +0.58, -2.45 |
Average |
| Noise level, dB (A) | -57.7 |
Poor |
| Dynamic range, dB (A) | 57.7 |
Poor |
| THD, % | 2.386 |
Very poor |
| THD + Noise, dB (A) | -30.1 |
Very poor |
| IMD + Noise, % | 2.235 |
Poor |
| Stereo crosstalk, dB | -33.8 |
Very poor |
| IMD at 10 kHz, % | 1.899 |
Poor |
| General performance | Poor |
Frequency response
| From 20 Hz to 20 kHz, dB | -8.82, +0.58 |
| From 40 Hz to 15 kHz, dB | -2.45, +0.58 |
Noise level
Left |
Right |
|
| RMS power, dB | -54.5 |
-53.9 |
| RMS power (A-weighted), dB | -58.1 |
-57.3 |
| Peak level, dB FS | -40.9 |
-40.6 |
| DC offset, % | -0.0 |
+0.0 |
Dynamic range
Left |
Right |
|
| Dynamic range, dB | +54.6 |
+53.9 |
| Dynamic range (A-weighted), dB | +58.2 |
+57.2 |
| DC offset, % | -0.00 |
+0.00 |
THD + Noise (at -3 dB FS)
Left |
Right |
|
| THD, % | +2.2629 |
+2.5098 |
| THD + Noise, % | +2.2968 |
+2.5459 |
| THD + Noise (A-weighted), % | +2.9606 |
+3.2829 |
Intermodulation distortion
Left |
Right |
|
| IMD + Noise, % | +2.1369 |
+2.3325 |
| IMD + Noise (A-weighted), % | +1.1348 |
+1.2590 |
Stereo crosstalk
Left |
Right |
|
| Crosstalk at 100 Hz, dB | -30 |
-37 |
| Crosstalk at 1000 Hz, dB | -28 |
-37 |
| Crosstalk at 10000 Hz, dB | -24 |
-29 |
IMD (swept tones)
Left |
Right |
|
| IMD + Noise at 5000 Hz, | 2.0650 |
2.2931 |
| IMD + Noise at 10000 Hz, | 1.6941 |
1.8332 |
| IMD + Noise at 15000 Hz, | 1.7004 |
1.8094 |