Sony MDS-JA555ES User Manual

Additional Information

Specifications

System

MiniDisc digital audio system

Disc

MiniDisc

Laser

Semiconductor laser (

= 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

ACIRC (Advanced Cross Interleave
Reed Solomon Code)

Sampling frequency

44.1 kHz

Coding

ATRAC (Adaptive TRansform Acoustic
Coding)

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 105 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

24 W

Dimensions (approx.) (w/h/d) incl. projecting parts and controls

430

125.5

375.5 mm

(17

in)

Mass (approx.)

15.3 kg (33 lb 11 oz)

Supplied accessories

See page 4.

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 IN
COAXIAL

Phono
jack

75 ohms

0.5 Vp-p,
±20%

—

Outputs

Load impedance

Jack type

Rated output

DIGITAL OUT
OPTICAL

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 OUT
COAXIAL

Phono
jack

0.5 Vp-p
(at 75 ohms)

75 ohms

—

DIGITAL IN
OPT1

Square
optical
connector
jack

Optical wave
length:
660 nm

—

DIGITAL IN
OPT2

Square
optical
connector
jack

Optical wave
length:
660 nm