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Sony MDS-W1 User Manual

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Additional Information
46
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: GaAlAs
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 98 dB during playback
Wow and flutter
Below measurable limit
General
Power requirements
220 – 230 V AC, 50/60 Hz
Power consumption
22 W
Dimensions (approx.) (w/h/d) incl. projecting parts and controls
430 
×
 120 
×
 295 mm
Mass (approx.)
5.2 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
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
OPTICAL IN2
Square
optical
connector
jack
Optical wave
length:
660 nm