RightMark Audio Analyzer test report
| Testing device | M-Audio Delta 66 S/PDIF |
| Sampling mode | 24-bit, 96 kHz |
| Interface | MME |
| Testing chain | External loopback (line-out - line-in) |
| RMAA Version | 6.2.3 |
| 20 Hz - 20 kHz filter | ON |
| Normalize amplitude | ON |
| Level change | -0.4 dB / -0.4 dB |
| Mono mode | OFF |
| Calibration singal, Hz | 1000 |
| Polarity | correct/correct |
Summary
| Frequency response (from 40 Hz to 15 kHz), dB | +0.02, -0.23 |
Very good |
| Noise level, dB (A) | -104.3 |
Excellent |
| Dynamic range, dB (A) | 94.0 |
Very good |
| THD, % | 0.0056 |
Very good |
| THD + Noise, dB (A) | -80.8 |
Good |
| IMD + Noise, % | 0.012 |
Very good |
| Stereo crosstalk, dB | -99.0 |
Excellent |
| IMD at 10 kHz, % | 0.011 |
Very good |
| General performance | Very good |
Frequency response
| From 20 Hz to 20 kHz, dB | -0.61, +0.02 |
| From 40 Hz to 15 kHz, dB | -0.23, +0.02 |
Noise level
Left |
Right |
|
| RMS power, dB | -101.2 |
-101.6 |
| RMS power (A-weighted), dB | -104.0 |
-104.6 |
| Peak level, dB FS | -76.0 |
-76.0 |
| DC offset, % | +0.0 |
+0.0 |
Dynamic range
Left |
Right |
|
| Dynamic range, dB | +94.0 |
+94.1 |
| Dynamic range (A-weighted), dB | +94.0 |
+94.0 |
| DC offset, % | -0.00 |
-0.00 |
THD + Noise (at -3 dB FS)
Left |
Right |
|
| THD, % | +0.0057 |
+0.0055 |
| THD + Noise, % | +0.0108 |
+0.0107 |
| THD + Noise (A-weighted), % | +0.0092 |
+0.0090 |
Intermodulation distortion
Left |
Right |
|
| IMD + Noise, % | +0.0123 |
+0.0122 |
| IMD + Noise (A-weighted), % | +0.0107 |
+0.0106 |
Stereo crosstalk
Left |
Right |
|
| Crosstalk at 100 Hz, dB | -92 |
-95 |
| Crosstalk at 1000 Hz, dB | -99 |
-97 |
| Crosstalk at 10000 Hz, dB | -95 |
-95 |
IMD (swept tones)
Left |
Right |
|
| IMD + Noise at 5000 Hz, | 0.0108 |
0.0107 |
| IMD + Noise at 10000 Hz, | 0.0100 |
0.0100 |
| IMD + Noise at 15000 Hz, | 0.0109 |
0.0109 |