Additional Information
52
EN
Specifications
System
MiniDisc digital audio system
Disc
MiniDisc
Laser
Semiconductor laser (
λ
= 780 nm)
Emission duration: continuous
Laser output
Less than 44.6 µW*
* This output is the value measured at a
distance of 200 mm from the objective
lens surface on the Optical Pick-up
Block with 7 mm aperture.
Laser diode properties
Material: GaAIAs
Revolutions (CLV)
400 rpm to 900 rpm
Error correction
Advanced Cross Interleave Reed
Solomon Code (ACIRC)
Sampling frequency
44.1 kHz
Coding
Adaptive Transform Acoustic Coding
(ATRAC)
Modulation system
EFM (Eight-to-Fourteen Modulation)
Number of channels
2 stereo channels
Frequency response
5 to 20,000 Hz ±0.3 dB
Signal-to-noise ratio
Over 100 dB during playback
Wow and flutter
Below measurable limit
General
Power requirements
220 – 230 V AC, 50/60 Hz
Power consumption
18 W
Dimensions (approx.) (w/h/d) incl. projecting parts and controls
430
×
107.5
×
287 mm
Mass (approx.)
4.8 kg
Supplied accessories
See page 4.
Optional accessories
Recordable MDs
MDW-60 (60 min), MDW-74 (74 min)
US and foreign patents licensed from Dolby Laboratories
Licensing Corporation.
Design and specifications are subject to change without
notice.
Inputs
500 mVrms
Rated
input
Minimum
input
125 mVrms
Input
impedance
47 kilohms
Jack
type
Phono
jacks
LINE (ANALOG)
IN
DIGITAL
COAXIAL IN
Phono
jack
75 ohms
0.5 Vp-p,
±20%
—
—
—
DIGITAL
OPTICAL IN1
Square
optical
connector
jack
Optical wave
length:
660 nm
—
—
DIGITAL
OPTICAL IN2
Square
optical
connector
jack
Optical wave
length:
660 nm
Outputs
Load impedance
Jack type
Rated output
DIGITAL
OPTICAL OUT
LINE (ANALOG)
OUT
PHONES
32 ohms
Over
10 kilohms
Optical wave
length:
660 nm
28 mW
2 Vrms
(at 50 kilohms)
–18 dBm
Stereo
phone jack
Phono
jacks
Square
optical
connector
jack
DIGITAL
COAXIAL OUT
Phono
jack
0.5 Vp-p
(at 75 ohms)
75 ohms
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
