Specifications
System
Audio playing system
MiniDisc digital audio system
Laser diode properties Material: GaAlAs Wavelength: λ = 780 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
Recording and playback time
Maximum 74 minutes
Maximum 148 minutes
Revolutions
400 rpm to 900 rpm (CLV)
Error correction
Advanced Cross Interleave Reed Solomon Code (ACIRC)
Sampling frequency 44.1 kHz
Sampling rate converter
Input: 32 kHz/44.1 kHz/48 kHz
Coding
Adaptive TRansform Acoustic Coding (ATRAC)
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
MIC (PLUG IN POWER): stereo
(OPTICAL) LINE IN: stereo
•Line in:
•Optical (digital) in: wave length 660 nm
Outputs
PHONES/REMOTE: stereo
LINE OUT: stereo
General
Power requirements
Sony AC Power Adaptor (supplied) connected at the DC IN 4.5 V jack:
120 V AC, 60 Hz (US model)
240 V AC, 50 Hz (Australia and New Zealand model)
Two
Two LR6 (size AA) alkaline batteries (not supplied)
Battery operation time See “Battery life” (page 24)
Dimensions
Approx. 116.8 x 18.5 x 86.1 mm (w/h/d) (4 5/8 x 3/4 x 3 1/2 in.)
Mass
Approx. 160 g (5.6 oz) the recorder only Approx. 220 g (7.8 oz) incl. a recordable MD, and two
Supplied accessories
Optical cable (1)
AC power adaptor (1)
Headphones with a remote control (1)
Rechargeable battery carrying case (1)