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

380 rpm to 2,700 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

Outputs

i1): stereo mini-jack

Maximum output (DC)

Headphones:

5 mW + 5 mW (16 )

Power requirements

One LR6 (size AA) alkaline battery (not supplied)

Operating temperature

+5° C (+41° F) to +35° C (+95° F)

Battery operation time1)

See “Battery life” (page 16)

Dimensions

Approx. 83.6

28.9 77.0 mm (w/h/d)

(3 3/8 13/16

31/8 in.) (excluding projecting

parts and controls)

Mass

Approx. 99 g (3.5 oz) (the player 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

MDR-series Stereo Headphones/earphones* SRS-series Active Speakers

Recordable MDs MDW-series Recordable Hi-MD disc

HMD1G

Your dealer may not handle some of the above listed accessories. Please ask the dealer for detailed information about the accessories in your country.

When using optional headphones, use only headphones/earphones with stereo mini plugs. You cannot use headphones/ earphones with micro plugs.

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