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68-GB
Specifications
Audio 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 stereo
Revolutions
350 rpm to 2,800 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)
AT RAC3 — LP2
AT RAC3 — 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 0.25 mV
Line in
1)
: stereo mini-jack, minimum input
level 49 mV
Optical (Digital) in
1)
: optical (digital) mini-jack
Outputs
i/LINE OUT
2)
: stereo mini-jack
headphones/earphones: maximum output
level 5 mW + 5 mW, load impedance 16 ohm
LINE OUT: 194 mV, load impedance 10
kilohm
1)
The LINE IN (OPT) jack is used to connect
either a digital (optical) cable or a line
(analog) cable.
2)
The i/LINE OUT jack connects either
headphones/earphones or a line cable.
Power requirements
Sony AC Power Adaptor connected at the DC
IN 3V jack:
230– 240 V AC, 50/60 Hz (UK and Hong
Kong model)
220– 230 V AC, 50/60 Hz (Other European
model)
100– 240 V AC, 50/60 Hz (Other models)
Nickel metal hydride rechargeable battery NH-
14WM
LR6 (size AA) alkaline battery
Battery operation time
See “Battery life” (page 57)
Dimensions
Approx. 78.9 × 17.1 × 72.0 mm (w/h/d)
(3
1
/8 ×
11
/16 × 2
7
/8 in.)
Mass
Approx. 110 g (3.9 oz) the recorder only
Supplied accessories
AC power adaptor (1)
Headphones/earphones with a remote control
(1)
Rechargeable battery (1)
Dry battery case (1)
Rechargeable battery carrying case (1)
Carrying pouch/carrying case with a belt clip
(except U.S.A. model) (1)
AC plug adaptor (World model only) (1)
Optical cable (1)
US and foreign patents licensed from Dolby
Laboratories.
Design and specifications are subject to change
without notice.
Optional accessories
Optical Cable
POC-151HG, POC-152HG, POC-MZ1,
POC-MZ2, POC-15B, POC-15AB, POC-
DA12SP
Line Cable RK-G129, RK-G136
Stereo Microphones ECM-717, ECM-MS907,
ECM-MS957
Stereo Headphones/earphones* MDR-D77,
MDR-D55
CD text connecting cable RK-TXT1
Active Speakers SRS-Z500
Recordable MDs MDW-series