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30
Specifications
System MiniDisc digital audio system
Disc MiniDisc
Laser Semiconductor laser (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 objective
lens surface on the Optical Pick-up
Block with 7 mm aperture.
Laser diode properties Material: GaAlAs
Revolutions (CLV)
400 rpm to 900 rpm
Error correction Advanced Cross Interleave Reed
Solomon Code (ACIRC)
Sampling frequency 44.1 kHz
Coding Adaptive Transform Acoustic Coding
(ATRAC)
Modulation system EFM (Eight-to-Fourteen Modulation)
Number of channels 2 stereo channels
Frequency response 5 to 20,000 Hz ±0.3 dB
Signal-to-noise ratio Over 96 dB during playback
Wow and flutter Below measurable limit
General
Power requirements 120 V AC, 60 Hz
Power consumption 19 W
Dimensions (approx.) (w/h/d) incl. projecting parts
280 × 83 × 270 mm
(11
1
/8 × 3
3
/8 × 10
3
/4 in.)
Mass (approx.) 3.3 kg (7 lbs 4 oz)
Supplied accessories See page 4.
Optional accessories
Recordable MDs: MDW-60 (60 min), MDW-74 (74 min)
Optical cable: POC-15A
U.S. and foreign patents licensed from Dolby Laboratories
Licensing Corporation.
Design and specifications are subject to change without
notice.
Inputs
——
Outputs
500 mVrms
Rated
input
Minimum
input
125 mVrms
Input
impedance
47 kilohms
Jack type
Phono jacks
Load impedance
Jack type Rated output
DIGITAL
OUT
LINE
(ANALOG)
OUT
HEADPHONES
Over 10 kilohms
Wave length:
660 nm
10 mW
2 Vrms
(at 50 kilohms)
–18 dBm
Phono
jacks
DIGITAL IN Square
optical
connector
jack
Optical
wave
length:
660 nm
Stereo
phone
jack
32 ohms
Square
optical
connector
jack
LINE
(ANALOG) IN