Specifications
MD RecorderAudio playing systemMiniDisc digital audio system
Laser diode propertiesMaterial: 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
When using
350 rpm to 2,800 rpm (CLV)
Error correctionACIRC (Advanced Cross Interleave Reed Solomon Code)
Sampling frequency44.1 kHz
Sampling rate converterInput: 32 kHz/44.1 kHz/48 kHz
CodingATRAC (Adaptive TRansform
Acoustic Coding)
ATRAC3 — LP2
ATRAC3 — LP4
Modulation systemEFM (Eight to Fourteen
Modulation)
Number of channels2 stereo channels
1 monaural channel
Frequency response20 to 20,000 Hz ± 3 dB
Wow and FlutterBelow measurable limit
Microphone: stereo
Optical (Digital) in: optical (digital)
i: stereo
Sony AC Power Adaptor (supplied) connected at the DC IN 3 V jack:
120 V AC, 60 Hz (U.S.A., Canadian and Taiwan models) 230 V AC, 50/60 Hz (Europe continental model)
240 V AC, 50 Hz (Australian model)
220 V AC, 50 Hz (Chinese model)
230 - 240 V AC, 50 Hz (U.K. and Hong Kong models)
220 V AC, 50 Hz (Argentina model)
110/220 V AC, 60 Hz (Korean model)
100 - 240 V AC, 50/60 Hz (Other models)
Nickel Cadmium rechargeable battery