There are a links to detail tests:
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| Frequency response |
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| THD + Noise (at -3 dB FS) |
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| Dynamic range |
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| Intermodulation distortion |
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| Noise level |
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| IMD (swept tones) |
2012-11-12
Samsung GALAXY Ace2 vs LG Optimus L7 audio test comparison
Samsung GALAXY Ace2 vs LG Optimus L7 RMAA audio test comparison.
There are a links to detail tests:
There are a links to detail tests:
LG Optimus L7 audio test
This is an audio RMAA test report of LG Optimus L7 (P705/P700).
Testing chain: Optimus L7 (16-bit, 44.1 kHz WAV file playback) -> CORDA ARIETTA -> Creative Sound Blaster Digital Music Premium HD line-in (24-bit, 48 kHz).
Frequency response (from 40 Hz to 15 kHz), dB : -0.02, -1.68
Noise level, dB (A) : -85.9
Dynamic range, dB (A) : 87.3
THD, % : 0.021
THD + Noise, dB (A) : -67.2
IMD + Noise, % : 0.107
Stereo crosstalk, dB : -84.2
IMD at 10 kHz, % : 0.053
Testing chain: Optimus L7 with 16 Ohm load (16-bit, 44.1 kHz WAV file playback) -> CORDA ARIETTA -> Creative Sound Blaster Digital Music Premium HD line-in (24-bit, 48 kHz).
Frequency response (from 40 Hz to 15 kHz), dB : -0.07, -1.71
Noise level, dB (A) : -85.0
Dynamic range, dB (A) : 86.5
THD, % : 0.036
THD + Noise, dB (A) : -65.1
IMD + Noise, % : 0.114
Stereo crosstalk, dB : -55.8
IMD at 10 kHz, % : 0.085
*)
CORDA ARIETTA preamplifier with crossfeed filter turned off.
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| LG Optimus L7 |
Testing chain: Optimus L7 (16-bit, 44.1 kHz WAV file playback) -> CORDA ARIETTA -> Creative Sound Blaster Digital Music Premium HD line-in (24-bit, 48 kHz).
Frequency response (from 40 Hz to 15 kHz), dB : -0.02, -1.68
Noise level, dB (A) : -85.9
Dynamic range, dB (A) : 87.3
THD, % : 0.021
THD + Noise, dB (A) : -67.2
IMD + Noise, % : 0.107
Stereo crosstalk, dB : -84.2
IMD at 10 kHz, % : 0.053
Testing chain: Optimus L7 with 16 Ohm load (16-bit, 44.1 kHz WAV file playback) -> CORDA ARIETTA -> Creative Sound Blaster Digital Music Premium HD line-in (24-bit, 48 kHz).
Frequency response (from 40 Hz to 15 kHz), dB : -0.07, -1.71
Noise level, dB (A) : -85.0
Dynamic range, dB (A) : 86.5
THD, % : 0.036
THD + Noise, dB (A) : -65.1
IMD + Noise, % : 0.114
Stereo crosstalk, dB : -55.8
IMD at 10 kHz, % : 0.085
*)
CORDA ARIETTA preamplifier with crossfeed filter turned off.
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| Frequency response |
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| Noise level |
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| Dynamic range |
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| THD + Noise (at -3 dB FS) |
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| Intermodulation distortion |
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| IMD (swept tones) |
Panasonic SL-MP75 portable CD/MP3 player audio test
This is an audio RMAA test report of Panasonic SL-MP75 portable CD/MP3 player.
This first table presents a results of test of player feeded by wall AC 220V to DC 5V converter.
Testing chain: SL-MP75 (16-bit, 44.1 kHz WAV file playback) -> CORDA ARIETTA -> Creative Sound Blaster Digital Music Premium HD line-in (24-bit, 48 kHz).
Frequency response (from 40 Hz to 15 kHz), dB : +0.43, -0.13
Noise level, dB (A) : -82.3
Dynamic range, dB (A) : 82.5
THD, % : 0.015
THD + Noise, dB (A) : -73.7
IMD + Noise, % : 0.069
Stereo crosstalk, dB : -84.1
IMD at 10 kHz, % : 0.045
Next two tables presents a results of tests of player feeded by batteries.
Testing chain: SL-MP75 (16-bit, 44.1 kHz WAV file playback) -> CORDA ARIETTA -> Creative Sound Blaster Digital Music Premium HD line-in (24-bit, 48 kHz).
Frequency response (from 40 Hz to 15 kHz), dB : +0.49, -0.13
Noise level, dB (A) : -87.1
Dynamic range, dB (A) : 87.1
THD, % : 0.011
THD + Noise, dB (A) : -75.2
IMD + Noise, % : 0.047
Stereo crosstalk, dB : -86.9
IMD at 10 kHz, % : 0.032
Testing chain: SL-MP75 with 16 Ohm load (16-bit, 44.1 kHz WAV file playback) -> CORDA ARIETTA -> Creative Sound Blaster Digital Music Premium HD line-in (24-bit, 48 kHz).
Frequency response (from 40 Hz to 15 kHz), dB : +0.03, -1.55
Noise level, dB (A) : -89.5
Dynamic range, dB (A) : 89.4
THD, % : 0.433
THD + Noise, dB (A) : -45.0
IMD + Noise, % : 1.943
Stereo crosstalk, dB : -78.9
IMD at 10 kHz, % : 0.509
*)
CORDA ARIETTA preamplifier with crossfeed filter turned off.
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| SL-MP75 |
This first table presents a results of test of player feeded by wall AC 220V to DC 5V converter.
Testing chain: SL-MP75 (16-bit, 44.1 kHz WAV file playback) -> CORDA ARIETTA -> Creative Sound Blaster Digital Music Premium HD line-in (24-bit, 48 kHz).
Frequency response (from 40 Hz to 15 kHz), dB : +0.43, -0.13
Noise level, dB (A) : -82.3
Dynamic range, dB (A) : 82.5
THD, % : 0.015
THD + Noise, dB (A) : -73.7
IMD + Noise, % : 0.069
Stereo crosstalk, dB : -84.1
IMD at 10 kHz, % : 0.045
Next two tables presents a results of tests of player feeded by batteries.
Testing chain: SL-MP75 (16-bit, 44.1 kHz WAV file playback) -> CORDA ARIETTA -> Creative Sound Blaster Digital Music Premium HD line-in (24-bit, 48 kHz).
Frequency response (from 40 Hz to 15 kHz), dB : +0.49, -0.13
Noise level, dB (A) : -87.1
Dynamic range, dB (A) : 87.1
THD, % : 0.011
THD + Noise, dB (A) : -75.2
IMD + Noise, % : 0.047
Stereo crosstalk, dB : -86.9
IMD at 10 kHz, % : 0.032
Testing chain: SL-MP75 with 16 Ohm load (16-bit, 44.1 kHz WAV file playback) -> CORDA ARIETTA -> Creative Sound Blaster Digital Music Premium HD line-in (24-bit, 48 kHz).
Frequency response (from 40 Hz to 15 kHz), dB : +0.03, -1.55
Noise level, dB (A) : -89.5
Dynamic range, dB (A) : 89.4
THD, % : 0.433
THD + Noise, dB (A) : -45.0
IMD + Noise, % : 1.943
Stereo crosstalk, dB : -78.9
IMD at 10 kHz, % : 0.509
*)
CORDA ARIETTA preamplifier with crossfeed filter turned off.
 |
| Frequency response |
 |
| Noise level |
 |
| Dynamic range |
 |
| THD + Noise (at -3 dB FS) |
 |
| Intermodulation distortion |
 |
| IMD (swept tones) |