SpecificationsAudio playing system

MiniDisc digital audio system

Laser diode properties

Material: GaAlAs

Wavelength: λ = 790 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 lens surface on the optical pick-up block with 7 mm aperture.)

Recording and playback time (when using MDW-80)

Maximum 160 min. in monaural

Maximum 320 min. in LP4 stereo

Revolutions

350 rpm to 3,600 rpm (CLV)

Error correction

ACIRC (Advanced Cross Interleave Reed Solomon Code)

Sampling frequency

44.1kHz

Coding

ATRAC (Adaptive TRansform Acoustic Coding)

ATRAC3 — LP2/LP4

Modulation system

EFM (Eight to Fourteen Modulation)

Frequency response

20 to 20,000 Hz ± 3 dB

Outputs

i: stereo mini-jack (dedicated remote control jack)/194 mV (10 kΩ )

Maximum output (DC)

Headphones:

4 mW + 4 mW (16 Ω ) (European models)

5 mW + 5 mW (16 Ω ) (Other models)

Power requirements

Sony AC Power Adaptor connected at the DC IN 3V jack:

120 V AC, 60 Hz (Models for USA, Canada, Mexico and Taiwan)

230 V AC, 50/60 Hz (Models for continental Europe and Chili)

240 V AC, 50 Hz (Model for Australia)

220 V AC, 50 Hz (Models for China)

230 V AC, 50 Hz (Models for U.K. and Hong Kong)

220 V AC, 60 Hz (Model for Korea) 100 - 120 V/220 - 240 V AC, 50/60 Hz (Other models)

The recorder:

Nickel metal hydride rechargeable battery NH-14WM, 1.2 V, 1,350 mAh (MIN), Ni-MH

LR6 (size AA) alkaline battery Battery charging stand:

AC power adaptor DC 3V

Battery operation time1)

See “Battery life” (page 30)

Dimensions

Approx. 78.9 ⋅

72.2 ⋅ 17.2 mm (w/h/d)

(3 1/8 ⋅ 2 7/8 ⋅

11/16 in.)

(excluding projecting parts and controls)

Mass

Approx. 85 g (3.0 oz) the recorder only 1)Measured in accordance with JEITA.

US and foreign patents licensed from Dolby Laboratories.

Design and specifications are subject to change without notice.

Optional accessories

Nickel metal hydride rechargeable battery NH- 14WM

34