Sony MZ-R55 MP3 Player User Manual


 
41
(
)
GaAIAs
=780nm
148 (MDW-74
)
74 (MDW-74
)
400rpm 900rpm(CLV)
(ACIRC)
44.1kHz
32kHz/44.1kHz/48kHz
(ATRAC)
EFM
2
1
20 20,000Hz±3dB
0.22 0.78mV
69 194mV
*
*
5mW+5mW
16
194mV
10k
NH-14WM ( )
3 2 ( )
(32 )
78.9 18.9 84 mm
(
/ / )
147g
190g(
NH-14WM )
AC (1)
(1)
(1)
3
(1)
(1)
(1)
(1)
(1)
(1)