2012-11-12

Panasonic SL-MP75 portable CD/MP3 player audio test

SL-MP75

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.


Frequency response

Noise level

Dynamic range
THD + Noise (at -3 dB FS)

Intermodulation distortion

IMD (swept tones)

Stereo crosstalk