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 HMD1G (1GB disc): Maximum 34 hours in Hi-LP stereo

When using MDW-80 in Hi-MD mode: Maximum 10 hours and 10 min. in Hi-LP stereo

When using MDW-80 in MD mode: Maximum 160 min. in monaural Maximum 320 min. in LP4 stereo

Revolutions

350 rpm to 3,000 rpm (CLV)

Error correction

Hi-MD:

LDC (Long Distance Code)/BIS (Burst

Indicator Subcode)

MD:

ACIRC (Advanced Cross Interleave Reed

Solomon Code)

Sampling frequency

44.1 kHz

Sampling rate converter

Input: 32 kHz/44.1 kHz/48 kHz

Coding

Hi-MD:

ATRAC3plus (Adaptive TRansform Acoustic Coding 3 plus)

MD:

ATRAC

ATRAC3 — LP2/LP4

Modulation system

Hi-MD:

1-7RLL (Run Length Limited)/PRML (Partial Response Maximum Likelihood)

MD:

EFM (Eight to Fourteen Modulation)

Frequency response

20 to 20,000 Hz ± 3 dB

Inputs

MIC: stereo mini-jack (minimum input level 0.13 mV)

LINE IN (OPT)1):

stereo mini-jack for analog input (minimum input level 49 mV) optical (digital) mini-jack for optical (digital) input

Outputs

i2): stereo mini-jack (dedicated remote control jack)

Maximum output (DC)

Headphones:

3 mW + 3 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)

240 V AC, 50 Hz (Model for Australia)

220 V AC, 50 Hz (Models for China and Argentine)

100 - 240 V AC, 50/60 Hz (Other models) The recorder:

Nickel metal hydride rechargeable battery NH-7WMAA 1.2V 700 mAh (MIN) Ni-MH LR6 (size AA) alkaline battery

AC power adaptor DC 3V

Operating temperature

+5° C (+41° F) to +35° C (+95° F)

Battery operation time2)

See “Battery life” (page 16)

Dimensions

Approx. 81.0 ⋅ 29.2 ⋅ 78.9 mm (w/h/d)

(31/4 ⋅ 113/16 ⋅ 31/8 in.) (excluding projecting parts and controls)

Mass

Approx. 103 g (3.7 oz) (the recorder only) Approx. 122 g (4.4 oz) (including the rechargeable battery)

1)The LINE IN (OPT) jack is used to connect either a digital (optical) cable or a line (analog) cable.

2)Measured in accordance with JEITA.

US and foreign patents licensed from Dolby Laboratories.

Design and specifications are subject to change without notice.

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