Sony MZ-R55 - Manual (Page 36)

Specifications
System
Audio playing system
MiniDisc digital audio system
Laser diode properties
Material: GaAlAs
Wavelength; À. = 780 nm
Emission duration: continuous
Laser output: less than 44.6 pW
(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 74 minutes (MDW-74, stereo
recording)
Maximum 148 minutes (MDW-74, monaural
recording)
Revolutions
400 rpm to 900 rpm (CLV)
Error correction
Advanced Cross Interleave Reed Solomon
Code (ACIRC)
Sampling frequency
44.1 kHz
Sampling rate converter .
Input: 32 kHz/44.1 kHz/48 kHz
Coding
Adaptive TRansforih Acoustic Coding
(ATRAC)
Modulation system
EFM (Eight to Fourteen Modulation)
Number of channels
2 stereo channels
1 monaural channel
Frequency response
20 to 20,000 Hz ± 3 dB
Wow and Flutter
Below measurable limit
Inputs
Microphone: stereo mini-jack, 0.22-0.78 mV
Line in: stereo mini-jack, 69-194 mV
Optical (Digital) in: optical (digital) mini-jack
Outputs
Headphones; stereo mini-jack, maximum
output level 5 mW-i- 5 mW, load impedance
16 ohm
Line out: stereo mini-jack, 194 mV, load
impedance 10 kilohm
General
Power requirements
Sony AC Power Adaptor (supplied)
connected at the DC IN 3 V jack:
120 V AC, 60 Hz (US model)
230-240 V AC, 50/60 Hz (UK and Hong
Kong model)
240 V AC, 50/60 Hz (Australia and New
Zealand model)
Nickel metal hydride rechargeable battery
NH-14WM (supplied)
Two LR6 (size AA) alkaline batteries (not
supplied)
Battery operation time
See “Battery life” (page 28)
Dimensions
Approx. 78.9 X 18.9 X 84 mm (w/h/d)
(3 Vs X ^ /4 X 3 ^/s in.)
Mass
Approx. 147 g (5.2 oz) the recorder only
Approx. 190 g (6.7 oz) incl. a recordable MD,
and NH-14WM nickel metal hydride
rechargeable battery
Supplied accessories
AC power adaptor (1)
Headphones with a remote control (1)
NH-14WM nickel metal hydride
rechargeable battery (1)
Rechargeable battery carrying case (1)
Dry batteiy case (1)
Carrying pouch (1)
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