82
Specifications
MD recorder
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 (Refer
to page 98 for details)
When using HMD1G (1GB disc):
Maximum 34 hours in Hi-LP stereo
When using MDW-80 in Hi-MD mode:
Maximum 10 hours and 10 min. in Hi-LP
stereo
When using MDW-80 in MD mode:
Maximum 160 min. in monaural
Maximum 320 min. in LP4 stereo
Revolutions
350 rpm to 3,000 rpm (CLV)
Error correction
Hi-MD:
LDC (Long Distance Code)/BIS (Burst
Indicator Subcode)
MD:
ACIRC (Advanced Cross Interleave Reed
Solomon Code)
Sampling frequency
44.1 kHz
Sampling rate converter
Input: 32 kHz/44.1 kHz/48 kHz
Coding
Hi-MD:
Linear PCM (44.1 kHz/16 bit) — PCM
ATRAC3plus (Adaptive TRansform
Acoustic Coding 3 plus)
MD:
AT RAC
ATRAC3 — LP2/LP4
Modulation system
Hi-MD:
1-7RLL (Run Length Limited)/PRML
(Partial Response Maximum Likelihood)
MD:
EFM (Eight to Fourteen Modulation)
Frequency response
20 to 20,000 Hz ± 3 dB
Inputs
MIC: stereo mini-jack
(minimum input level 0.13 mV)
LINE IN (OPT)
1)
:
stereo mini-jack for analog input
(minimum input level 49 mV)
optical (digital) mini-jack for optical
(digital) input
Outputs
i
2)
: stereo mini-jack (dedicated remote control
jack)
Maximum output (DC)
Headphones:
3 mW + 3 mW (16 Ω) (European models)
5 mW + 5 mW (16 Ω) (Other models)
Radio
Frequency range
Models for Europe and China:
FM: 87.5 - 108.0 MHz
AM: 531 - 1,602 kHz
Other models:
FM: 87.5 - 108.0 MHz
AM: 530 - 1,710 kHz
Antenna
FM:
Headphones/earphones cord antenna
AM:
Built-in ferrite bar antenna
