Sony MDS-JA20ES User Manual
Additional Information
54
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.
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)
Solomon Code (ACIRC)
Sampling frequency
44.1 kHz
Coding
Adaptive Transform Acoustic Coding
(ATRAC)
(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 102 dB during playback
Wow and flutter
Below measurable limit
General
Power requirements
Where purchased
Power requirements
Continental Europe and UK
220 – 230 V AC, 50/60 Hz
U.S.A. and Canada
120 V AC, 60 Hz
Power consumption
18 W
Dimensions (approx.) (w/h/d) incl. projecting parts and controls
430
×
125
×
345 mm
(17
×
5
×
13
3
/
4
in)
Mass (approx.)
7.8 kg (17 lb 3 oz)
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.
Licensing Corporation.
Design and specifications are subject to change without
notice.
notice.
Inputs
500 mVrms
Rated
input
input
Minimum
input
input
125 mVrms
Input
impedance
impedance
47 kilohms
Jack
type
type
Phono
jacks
jacks
LINE(ANALOG)
IN
IN
DIGITAL IN
COAXIAL
COAXIAL
Phono
jack
jack
75 ohms
0.5 Vp-p,
±20%
±20%
—
Outputs
Load impedance
Jack type
Rated output
DIGITAL OUT
OPTICAL
OPTICAL
LINE(ANALOG)
OUT
OUT
PHONES
32 ohms
Over
10 kilohms
10 kilohms
Optical wave
length:
660 nm
length:
660 nm
28 mW
2 Vrms
(at 50 kilohms)
(at 50 kilohms)
–18 dBm
Stereo
phone jack
phone jack
Phono
jacks
jacks
Square
optical
connector
jack
optical
connector
jack
DIGITAL OUT
COAXIAL
COAXIAL
Phono
jack
jack
0.5 Vp-p
(at 75 ohms)
(at 75 ohms)
75 ohms
—
—
DIGITAL IN
OPT1
OPT1
Square
optical
connector
jack
optical
connector
jack
Optical wave
length:
660 nm
length:
660 nm
—
—
DIGITAL IN
OPT2
OPT2
Square
optical
connector
jack
optical
connector
jack
Optical wave
length:
660 nm
length:
660 nm