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34
EN
–18 dBm Optical wave
length: 660 nm
Square
optical
connector
jack
Square
optical
connector
jack
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 110 – 120, 220 – 240 V AC, 50/60 Hz
Dimensions (approx.) (w/h/d) incl. projecting parts
280 × 90 × 282.5 mm
(11
1
/8 × 3
5
/8 × 11
1
/8 in.)
Mass (approx.) 2.8kg (6 lbs 3 oz)
Supplied accessories See page 4.
Optional accessories
Optical cable: POC-15A
Recordable MDs: MDW-60 (60 min), MDW-74 (74 min)
U.S. and foreign patents licensed from Dolby Laboratories
Licensing Corporation.
Design and specifications are subject to change without
notice.
Inputs
—
500 mVrms
Rated
input
Minimum
input
125 mVrms
Input
impedance
47 kilohms
Jack type
Phono
jacks
DIGITAL
(OPTICAL)
IN1/IN2
LINE
(ANALOG) IN
Optical
wave
length:
660 nm
Outputs
Load impedance
Jack type Rated output
DIGITAL
(OPTICAL)
OUT
LINE
(ANALOG)
OUT
PHONES
32 ohms
Over 10 kilohms
10 mW
2 Vrms
(at 50 kilohms)
Stereo
minijack
Phono
jacks
—
Power consumption 20 W