RightMark Audio Analyzer test report
| Testing device |
iPhone 3G |
| Sampling mode |
16-bit, 48 kHz |
| Interface |
|
| Testing chain |
iPhone 3G -> EMU 1212M |
| RMAA Version |
6.2.1 |
| |
|
| |
|
| 20 Hz - 20 kHz filter |
ON |
| Normalize amplitude |
OFF |
| Level change |
-7.0 dB / -6.9 dB |
| Mono mode |
OFF |
| Calibration singal, Hz |
1000 |
| Polarity |
inverted/inverted |
Summary
| Frequency response (from 40 Hz to 15 kHz), dB |
+0.04, -0.31 |
Very good |
| Noise level, dB (A) |
-98.6 |
Excellent |
| Dynamic range, dB (A) |
99.2 |
Excellent |
| THD, % |
0.0027 |
Excellent |
| THD + Noise, dB (A) |
-84.3 |
Good |
| IMD + Noise, % |
0.0073 |
Excellent |
| Stereo crosstalk, dB |
-98.6 |
Excellent |
| IMD at 10 kHz, % |
0.0076 |
Excellent |
| General performance |
|
Excellent |
Frequency response
| From 20 Hz to 20 kHz, dB |
-0.61, +0.04 |
| From 40 Hz to 15 kHz, dB |
-0.31, +0.04 |
Noise level
| |
Left |
Right |
| RMS power, dB |
-97.0 |
-97.2 |
| RMS power (A-weighted), dB |
-98.8 |
-98.4 |
| Peak level, dB FS |
-82.2 |
-82.2 |
| DC offset, % |
-0.0 |
-0.0 |
Dynamic range
| |
Left |
Right |
| Dynamic range, dB |
+97.5 |
+97.9 |
| Dynamic range (A-weighted), dB |
+99.2 |
+99.2 |
| DC offset, % |
-0.00 |
-0.00 |
THD + Noise (at -3 dB FS)
| |
Left |
Right |
| THD, % |
+0.0025 |
+0.0029 |
| THD + Noise, % |
+0.0065 |
+0.0064 |
| THD + Noise (A-weighted), % |
+0.0060 |
+0.0062 |
Intermodulation distortion
| |
Left |
Right |
| IMD + Noise, % |
+0.0073 |
+0.0072 |
| IMD + Noise (A-weighted), % |
+0.0063 |
+0.0062 |
Stereo crosstalk
| |
Left |
Right |
| Crosstalk at 100 Hz, dB |
-97 |
-97 |
| Crosstalk at 1000 Hz, dB |
-96 |
-99 |
| Crosstalk at 10000 Hz, dB |
-95 |
-89 |
IMD (swept tones)
| |
Left |
Right |
| IMD + Noise at 5000 Hz, |
0.0075 |
0.0076 |
| IMD + Noise at 10000 Hz, |
0.0075 |
0.0076 |
| IMD + Noise at 15000 Hz, |
0.0075 |
0.0078 |
|
|
