Testing device | Speaker (USB Sound Blaster HD) |
Sampling mode | 24-bit, 48 kHz |
Interface | MME |
Testing chain | External loopback (line-out - line-in) |
RMAA Version | 6.2.3 |
20 Hz - 20 kHz filter | OFF |
Normalize amplitude | ON |
Level change | 0.2 dB / 0.2 dB |
Mono mode | OFF |
Calibration singal, Hz | 1000 |
Polarity | correct/correct |
Frequency response (from 40 Hz to 15 kHz), dB | +0.07, -0.70 |
Good |
Noise level, dB (A) | -107.9 |
Excellent |
Dynamic range, dB (A) | 108.0 |
Excellent |
THD, % | 0.0028 |
Excellent |
THD + Noise, dB (A) | -88.2 |
Good |
IMD + Noise, % | 0.0034 |
Excellent |
Stereo crosstalk, dB | -101.8 |
Excellent |
IMD at 10 kHz, % | 0.0057 |
Excellent |
General performance | Very good |
From 20 Hz to 20 kHz, dB | -2.40, +0.08 |
From 40 Hz to 15 kHz, dB | -0.70, +0.07 |
Left |
Right |
|
RMS power, dB | -106.0 |
-104.0 |
RMS power (A-weighted), dB | -109.4 |
-106.4 |
Peak level, dB FS | -93.1 |
-89.3 |
DC offset, % | +0.0 |
+0.0 |
Left |
Right |
|
Dynamic range, dB | +106.5 |
+103.9 |
Dynamic range (A-weighted), dB | +109.5 |
+106.6 |
DC offset, % | +0.00 |
+0.00 |
Left |
Right |
|
THD, % | +0.0029 |
+0.0027 |
THD + Noise, % | +0.0032 |
+0.0031 |
THD + Noise (A-weighted), % | +0.0039 |
+0.0038 |
Left |
Right |
|
IMD + Noise, % | +0.0034 |
+0.0034 |
IMD + Noise (A-weighted), % | +0.0027 |
+0.0028 |
Left |
Right |
|
Crosstalk at 100 Hz, dB | -93 |
-95 |
Crosstalk at 1000 Hz, dB | -101 |
-101 |
Crosstalk at 10000 Hz, dB | -85 |
-86 |
Left |
Right |
|
IMD + Noise at 5000 Hz, | 0.0070 |
0.0069 |
IMD + Noise at 10000 Hz, | 0.0045 |
0.0046 |
IMD + Noise at 15000 Hz, | 0.0055 |
0.0056 |