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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)
ATRAC3 — LP2/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
Line in: stereo mini-jack, minimum input level
49 mV
Optical (Digital) in: optical (digital) mini-jack
Outputs
i: stereo mini-jack, maximum output level
5 mW + 5 mW, load impedance 16 ohm
General
Power requirements
Sony AC Power Adaptor (supplied) 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
and Singapore)
240 V AC, 50 Hz (Australia)
220 V AC, 50 Hz (China)
230 - 240 V AC, 50 Hz (UK and Hong
Kong)
110/220 V AC, 60 Hz (Korea)
100 - 240 V AC, 50/60 Hz (Other countries)
LR6 (size AA) alkaline dry battery
Battery operation time
See “Battery life” (page 45)
Dimensions
Approx. 81 × 27.9 × 74.4 mm (w/h/d) (3
1
/4 ×
1
1
/8 × 3 in.) without projections.
Mass
Approx. 101 g (3.6 oz) the recorder only
US and foreign patents licensed from Dolby
Laboratories.
Design and specifications are subject to change
without notice.
Optional accessories
Optical Cable
POC-15B, POC-15AB, POC-DA12SP
Stereo Headphones/earphones* MDR-EX70LP,
MDR-72LP, MDR-A34LP
Active Speakers SRS-Z500
Recordable MDs MDW-series
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.