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75-GB
Specifications
MD Recorder
Audio playing system
MiniDisc digital audio system
Laser diode properties
Material: GaAlAs MQW
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 stereo
Revolutions
Approx. 380 rpm to 2,700 rpm (CLV)
Error correction
ACIRC (Advanced Cross Interleave Reed
Solomon Code)
Sampling frequency
44.1 kHz
Sampling rate converter
Input: 32 kHz/44.1 kHz/48 kHz
Coding
ATRAC (Adaptive TRansform Acoustic
Coding)
ATRAC 3 — LP2
ATRAC 3 — LP4
Modulation system
EFM (Eight to Fourteen Modulation)
Number of channels
2 stereo channels
1 monaural channel
Frequency response
20 to 20,000 Hz ± 3 dB
Wow and Flutter
Below measurable limit
Inputs
Microphone: stereo mini-jack, minimum input
level 0.35 mV
Line in: stereo mini-jack, minimum input level
49 mV
Optical (Digital) in: optical (digital) mini-jack
Output
i: stereo mini-jack, maximum output level
5mW+5mW, load impedance 16 ohm
General
Power requirements
Sony AC Power Adaptor connected at the DC
IN 3 V jack (country model in parentheses):
120 V AC, 60 Hz (USA, Canada and
Taiwan)
230 V AC, 50/60 Hz (Continental Europe,
Singapore and Thailand)
240 V AC, 50 Hz (Australia)
220 V AC, 50 Hz (China)
230 - 240 V AC, 50 Hz (U.K. and Hong
Kong)
220 V AC, 50 Hz (Argentine)
110/220 V AC, 60 Hz (Korea)
100 - 240 V AC, 50/60 Hz (Other countries)
Nickel Cadmium rechargeable battery NC-
WMAA (supplied)
LR6 (size AA) alkaline battery (not supplied)
Battery operation time
See “Battery life” (page 59)
Dimensions
Approx. 81 × 74.4 × 27.7 mm (w/h/d) (3
1
/4 × 3
× 1
1
/8 in.) without projections.
Mass
Approx. 116 g (4.1 oz) the recorder only
Car connecting pack
Frequency response: 50 to 20,000Hz (Differs
depending on your car cassette deck)
Dimensions: Approx. 102.4
× 12.1 × 63.8 mm
(w/h/d) (4
1
/8 ×
1
/2 × 2
5
/8 in.)
Mass: Approx. 42 g (1.5 oz)
Cord length: Approx. 1.5 m
Car battery cord
Input voltage: DC 12 V/24 V (only for negative
# ground cars)
Rated output voltage: DC 3.0 V
Rated output current: 1,000 mA
Dimensions: Approx. 36.0
× 26.2 × 101.1 mm
(w/h/d) (1
7
/16 × 1
1
/16 × 4 in.) including
projecting parts
Mass: Approx. 60 g (2.2 oz)
Cord length: Approx. 1.5 m
US and foreign patents licensed from Dolby
Laboratories.
Design and specifications are subject to change
without notice.