SPECIFICATIONS

English

Digital audio system

System

MiniDisc digital audio system

Disc

Mini Disc

Recording method

Magnetic field variation overwrite

Reading method

Non-contact optical pickup (using semiconductor laser)

Laser

Semiconductor laser

Laser Diode Properties

Material: GaAIAs

Wavelength: 780 nm Pulse time:

Read mode ... 0.8 mW Continuous Write mode ... max 10 mW 0.5S

min cycle 1.5S Repetition

Record/playback time

Max. 74 minutes (using MDW-74 disc) 74 minutes (stereo)

148 minutes (mono)

Revolutions

Approx. 400 – 900 rpm (CLV)

Error Correction

ACIRC (Advanced Cross Interleave Reed-solomon Code)

Sampling frequency

44.1kHz (32 kHz and 48 kHz signals converted to

44.1kHz for recording)

Coding

ATRAC (Adaptive TRansform Acoustic Coding)

Modulation system

EFM (Eight-to-Fourteen Modulation)

Number of channels

2 (stereo) or 1 (monaural, for extended recording)

Frequency Response

5 – 20,000 Hz ±0.5 dB

Signal-to-Noise Ratio

More than 99 dB during playback

Wow and Flutter

Below measurable limit

Inputs

LINE IN (REC)

Type: pin jack

Standard input level (56 k-ohms): 300 mV

DIGITAL IN (OPTICAL) (2)

Type: square optical connector jack

Outputs

LINE OUT (REC)

Type: pin jack

Standard output level (1 kHz, 0 dB): 2.0 ± 0.5 Vrms

DIGITAL OUT (OPTICAL)

Type: square optical connector jack

PHONES

Standard output level

(Input 150 ohms shorted, –20 dB): 300 ± 60 mV

GENERAL

Power Supplies

230 V, 50 Hz (U.K. and Europe models)

120 V, 60 Hz (U.S.A. model)

Power Consumption

20 W

Dimensions (W x H x D)

435x 96 x 288 mm (17-1/8" x 3-3/4" x 11-5/16")

Weight

4.1 kg (9 lbs. 1 oz.)

Accessories Remote Control

Audio connecting cord

Optical fiber cable

Batteries (size AA, R6, UM-3)

Specifications subject to change without notice.

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