RightMark Audio Analyzer test report
| Testing device | SBT ProAudio 2448 |
| Sampling mode | 24-bit, 48 kHz |
| Interface | ASIO |
| Testing chain | External loopback (line-out - line-in) |
| RMAA Version | 6.1.1 PRO |
| 20 Hz - 20 kHz filter | ON |
| Normalize amplitude | ON |
| Level change | -0.4 dB / -0.3 dB |
| Mono mode | OFF |
| Calibration singal, Hz | 1000 |
| Polarity | correct/correct |
Summary
| Frequency response (from 40 Hz to 15 kHz), dB | +0.02, -0.16 |
Very good |
| Noise level, dB (A) | -99.9 |
Excellent |
| Dynamic range, dB (A) | 99.2 |
Excellent |
| THD, % | 0.0026 |
Excellent |
| THD + Noise, dB (A) | -87.3 |
Good |
| IMD + Noise, % | 0.0067 |
Excellent |
| Stereo crosstalk, dB | -95.8 |
Excellent |
| IMD at 10 kHz, % | 0.013 |
Very good |
| General performance | Excellent |
Frequency response
| From 20 Hz to 20 kHz, dB | -0.28, +0.02 |
| From 40 Hz to 15 kHz, dB | -0.16, +0.02 |
Noise level
Left |
Right |
|
| RMS power, dB | -98.8 |
-98.5 |
| RMS power (A-weighted), dB | -100.1 |
-99.8 |
| Peak level, dB FS | -84.3 |
-83.2 |
| DC offset, % | +0.0 |
+0.0 |
Dynamic range
Left |
Right |
|
| Dynamic range, dB | +98.1 |
+97.8 |
| Dynamic range (A-weighted), dB | +99.3 |
+99.1 |
| DC offset, % | +0.00 |
+0.00 |
THD + Noise (at -3 dB FS)
Left |
Right |
|
| THD, % | +0.0030 |
+0.0023 |
| THD + Noise, % | +0.0059 |
+0.0057 |
| THD + Noise (A-weighted), % | +0.0046 |
+0.0040 |
Intermodulation distortion
Left |
Right |
|
| IMD + Noise, % | +0.0066 |
+0.0068 |
| IMD + Noise (A-weighted), % | +0.0041 |
+0.0039 |
Stereo crosstalk
Left |
Right |
|
| Crosstalk at 100 Hz, dB | -93 |
-96 |
| Crosstalk at 1000 Hz, dB | -91 |
-98 |
| Crosstalk at 10000 Hz, dB | -73 |
-95 |
IMD (swept tones)
Left |
Right |
|
| IMD + Noise at 5000 Hz, | 0.0098 |
0.0094 |
| IMD + Noise at 10000 Hz, | 0.0115 |
0.0118 |
| IMD + Noise at 15000 Hz, | 0.0174 |
0.0180 |