Testing device | Metrum Quad + JKSPDIF 16/48 DS |
Sampling mode | 16-bit, 48 kHz |
Interface | |
Testing chain | JKSPDIF -> Metrum Quad -> Creative SB1240 | DirectSound 16/48 |
RMAA Version | 6.3.0 |
20 Hz - 20 kHz filter | ON |
Normalize amplitude | ON |
Level change | -2.9 dB / -3.0 dB |
Mono mode | OFF |
Calibration singal, Hz | 1000 |
Polarity | correct/correct |
Frequency response (from 40 Hz to 15 kHz), dB | +0.10, -1.56 |
Average |
Noise level, dB (A) | -90.0 |
Very good |
Dynamic range, dB (A) | 86.4 |
Good |
THD, % | 0.054 |
Average |
THD + Noise, dB (A) | -63.7 |
Poor |
IMD + Noise, % | 0.059 |
Good |
Stereo crosstalk, dB | -89.5 |
Excellent |
IMD at 10 kHz, % | 0.108 |
Average |
General performance | Good |
Left |
Right |
|
From 20 Hz to 20 kHz, dB | -2.81, +0.17 |
-2.88, +0.10 |
From 40 Hz to 15 kHz, dB | -1.48, +0.17 |
-1.56, +0.10 |
Left |
Right |
|
RMS power, dB | -89.4 |
-89.0 |
RMS power (A-weighted), dB | -90.3 |
-89.8 |
Peak level, dB FS | -74.5 |
-72.7 |
DC offset, % | -0.0 |
-0.0 |
Left |
Right |
|
Dynamic range, dB | +86.1 |
+85.7 |
Dynamic range (A-weighted), dB | +86.6 |
+86.1 |
DC offset, % | -0.00 |
-0.00 |
Left |
Right |
|
THD, % | +0.0367 |
+0.0703 |
THD + Noise, % | +0.0385 |
+0.0711 |
THD + Noise (A-weighted), % | +0.0460 |
+0.0843 |
Left |
Right |
|
IMD + Noise, % | +0.0416 |
+0.0754 |
IMD + Noise (A-weighted), % | +0.0370 |
+0.0543 |
Left |
Right |
|
Crosstalk at 100 Hz, dB | -88 |
-90 |
Crosstalk at 1000 Hz, dB | -88 |
-89 |
Crosstalk at 10000 Hz, dB | -85 |
-84 |
Left |
Right |
|
IMD + Noise at 5000 Hz, | 0.0617 |
0.0906 |
IMD + Noise at 10000 Hz, | 0.0988 |
0.1069 |
IMD + Noise at 15000 Hz, | 0.1414 |
0.1475 |