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41
EN
DIGITAL
OUT
OPTICAL
LINE
(ANALOG)
OUT
Over 10 kilohms
Stereo
phone
jack
Square
optical
connector
jack
PHONES
32 ohms
Phono
jacks
Wave length: 660 nm
–18 dBm
10 mW
2 Vrms
(at 50 kilohms)
Outputs
Jack type Rated output Load impedance
Specifications
CD player section
System Compact Disc digital audio system
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.
Frequency response 5 to 20,000 Hz ±0.3 dB
Signal-to-noise ratio More than 98 dB
Wow and flutter Below measurable limit
MD deck section
System MiniDisc digital audio system
Disc MiniDisc
Recording system Magnetic field modulation overwrite
system
Playback scanning system No-contact optical scanning (using a
semiconductor laser)
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
Recording time 74 minutes max. (using MDW-74)
Revolutions (CLV)
Approx. 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 98 dB or more (during playback)
Wow and flutter Below measurable limit
Inputs
General
Power requirements 120 V, 60 Hz
Power consumption 28 W
Dimensions (approx.) (w/h/d) incl. projecting parts
430 × 107 × 280 mm
(17 × 4
1
/
4
× 11
1
/
8
in.)
Mass (approx.) 4.5 kg (9 lb 14 oz)
Supplied accessories See page 4.
Optional accessories
Recordable MDs: MDW-60 (60 min), MDW-74 (74 min)
Optical cable: POC-15A
Microphone: ECM-909A
Plug adapter: PC-234S
U.S. and foreign patents licensed from Dolby Laboratories
Licensing Corporation.
Design and specifications are subject to change without
notice.
Jack
type
LINE
(ANALOG) IN
47 kilohms 500 mVrms 125 mVrmsPhono jacks
Minimum
input
Input
impedance
Rated
input
MIC
Stereo
phone
jack
600 ohms 0.8 mVrms
0.3 mVrms