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Sony MDS-JB940 User Manual

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Specifications
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Specifications
Inputs
Outputs
General
Power requirements
Supplied accessories
US and foreign patents licensed from Dolby Laboratories.
Design and specifications are subject to change without 
notice.
System
MiniDisc digital audio system
Disc
MiniDisc
Laser
Semiconductor laser (
λ
 = 780 nm) 
Emission duration:  continuous
Laser output
MAX 44.6 µW
1) 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
Material: GaAlAs
Revolutions (CLV)
400 rpm to 900 rpm 
Error correction
ACIRC (Advanced Cross Interleave 
Reed Solomon Code)
Sampling frequency
44.1 kHz
Coding
ATRAC (Adaptive TRansform 
Acoustic Coding)/ATRAC 3
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 100 dB during play
Wow and flutter
Below measurable limit
ANALOG IN
Jack type:  phono
Impedance:  47 kilohms
Rated input:  500 mVrms 
Minimum input:  125 mVrms
DIGITAL OPTICAL IN1
Connector type:  square optical
Impedance:  660 nm (optical wave 
length)
DIGITAL OPTICAL IN2
Connector type:  square optical
Impedance:  660 nm (optical wave 
length)
DIGITAL COAXIAL IN
Jack type:  phono
Impedance:  75 ohms
Rated input:  0.5 Vp-p, ±20 %
PHONES
Jack type:  stereo phone
Rated output:  28 mW
Load impedance:  32 ohms
ANALOG OUT
Jack type:  phono
Rated output:  2 Vrms (at 50 
kilohms)
Load impedance:  over 10 kilohms
DIGITAL OPTICAL OUT
Connector type:  square optical
Rated output:  –18 dBm
Load impedance:  660 nm (optical 
wave length)
DIGITAL COAXIAL OUT
Jack type:  phono
Rated output:  0.5 Vp-p (at 75 ohms)
Load impedance:  75 ohms
Where purchased
Power requirements
U.S.A. and Canada
120 V AC, 60 Hz
Europe
230 V AC, 50/60 Hz
Power consumption
18 W
Dimensions (approx.)
430 
×
 111 
×
 286 mm (17 
×
 4
3
/
8
 
×
 
11
3
/
8
 in.) (w/h/d) incl. projecting 
parts and controls
Mass (approx.)
5.3 kg (11 lbs 11 oz)