RightMark Audio Analyzer test report
| Testing device | koiki-002_47ohm |
| Sampling mode | 32-bit, 96 kHz |
| Interface | |
| Testing chain | External loopback (line-out - line-in) |
| RMAA Version | 6.2.3 |
| 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 | +0.04, -0.61 |
Good |
| Noise level, dB (A) | -99.3 |
Excellent |
| Dynamic range, dB (A) | 99.1 |
Excellent |
| THD, % | 0.040 |
Good |
| THD + Noise, dB (A) | -65.9 |
Average |
| IMD + Noise, % | 0.049 |
Good |
| Stereo crosstalk, dB | -57.9 |
Average |
| IMD at 10 kHz, % | 0.064 |
Good |
| General performance | Good |
Frequency response
| From 20 Hz to 20 kHz, dB | -2.17, +0.04 |
| From 40 Hz to 15 kHz, dB | -0.61, +0.04 |
Noise level
Left |
Right |
|
| RMS power, dB | -97.2 |
-98.2 |
| RMS power (A-weighted), dB | -98.7 |
-99.9 |
| Peak level, dB FS | -76.4 |
-75.7 |
| DC offset, % | +0.0 |
+0.0 |
Dynamic range
Left |
Right |
|
| Dynamic range, dB | +97.2 |
+98.1 |
| Dynamic range (A-weighted), dB | +98.5 |
+99.8 |
| DC offset, % | -0.00 |
-0.00 |
THD + Noise (at -3 dB FS)
Left |
Right |
|
| THD, % | +0.0424 |
+0.0376 |
| THD + Noise, % | +0.0425 |
+0.0377 |
| THD + Noise (A-weighted), % | +0.0541 |
+0.0478 |
Intermodulation distortion
Left |
Right |
|
| IMD + Noise, % | +0.0515 |
+0.0464 |
| IMD + Noise (A-weighted), % | +0.0343 |
+0.0314 |
Stereo crosstalk
Left |
Right |
|
| Crosstalk at 100 Hz, dB | -56 |
-56 |
| Crosstalk at 1000 Hz, dB | -57 |
-57 |
| Crosstalk at 10000 Hz, dB | -56 |
-56 |
IMD (swept tones)
Left |
Right |
|
| IMD + Noise at 5000 Hz, | 0.0796 |
0.0745 |
| IMD + Noise at 10000 Hz, | 0.0554 |
0.0514 |
| IMD + Noise at 15000 Hz, | 0.0638 |
0.0593 |