Sony MZ-B50 User Manual
40
-GB
Specifications
System
Audio playing system
Audio playing system
MiniDisc digital audio system
Laser diode properties
Material: GaAlAs
Wavelength:
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.)
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
Maximum 80 minutes (MDW-80, stereo
recording)
Maximum 160 minutes (MDW-80, monaural
recording)
Maximum 74 minutes (MDW-74, stereo
recording)
Maximum 148 minutes (MDW-74, monaural
recording)
recording)
Maximum 160 minutes (MDW-80, monaural
recording)
Maximum 74 minutes (MDW-74, stereo
recording)
Maximum 148 minutes (MDW-74, monaural
recording)
Revolutions
400 rpm to 1,800 rpm (CLV)
Error correction
Advanced Cross Interleave Reed Solomon
Code (ACIRC)
Code (ACIRC)
Sampling frequency
44.1 kHz
Sampling rate converter
Input: 32 kHz/44.1 kHz/48 kHz
Coding
Adaptive TRansform Acoustic Coding
(ATRAC)
(ATRAC)
Modulation system
EFM (Eight to Fourteen Modulation)
Number of channels
2 stereo channels
1 monaural channel
1 monaural channel
Speaker
28 mm (1
1
/
8
in.) dia.
Frequency response
20 to 20,000 Hz ± 3 dB
Wow and Flutter
Below measurable limit
Inputs
Microphone: stereo mini-jack, 0.35–1.38 mV
Line in: stereo mini-jack, 69–194 mV
Optical (Digital) in: optical (digital) mini-jack
Line in: stereo mini-jack, 69–194 mV
Optical (Digital) in: optical (digital) mini-jack
Outputs
i
: stereo mini-jack
Headphones/earphones: 5 mW + 5 mW
Speaker: 300 mW
Speaker: 300 mW
General
Power requirements
Power requirements
DC 3V
Two LR6 (size AA) alkaline dry batteries (not
supplied)
Two LR6 (size AA) alkaline dry batteries (not
supplied)
See “Battery life (EIAJ)” (page 32)
Dimensions
Approx. 88.0
× 28.0 × 121.4 mm (w/h/d)
(3
1
/
2
× 1
1
/
8
× 4
7
/
8
in.) not incl. projecting parts
and controls.
Mass
Approx. 240 g (8.4 oz)
Supplied accessories
Headphones/earphones with a remote control
(1)
Carrying pouch/carrying case with a belt clip
(except U.S.A. model) (1)
Hand strap (1)
(1)
Carrying pouch/carrying case with a belt clip
(except U.S.A. model) (1)
Hand strap (1)
Optional accessories
AC power adaptor AC-E30HG
Optical Cable POC-15B, POC-15AB
Line Cable RK-G129HG, RK-G136HG
Stereo Microphones ECM-717
Recordable MDs MDW-series
Foot control unit FS-85B50
Optical Cable POC-15B, POC-15AB
Line Cable RK-G129HG, RK-G136HG
Stereo Microphones ECM-717
Recordable MDs MDW-series
Foot control unit FS-85B50
Your dealer may not handle some of the above
listed accessories. Please ask the dealer for
detailed information about the accessories in
your country.
listed accessories. Please ask the dealer for
detailed information about the accessories in
your country.
US and foreign patents licensed from Dolby
Laboratories.
Laboratories.
Design and specifications are subject to change
without notice.
without notice.