Specifications - Sony Walkman MZ-R909 Operating Instructions Manual

Specifications

Audio playing system
MiniDisc digital audio system
Laser diode properties
Material: GaAlAs
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.)
Recording and playback time
When using MDW-80:
Maximum 160 min. in monaural
Maximum 320 min. in stereo
Revolutions
350 rpm to 2,800 rpm (CLV)
Error correction
ACIRC (Advanced Cross Interleave Reed
Solomon Code)
Sampling frequency
44.1 kHz
Sampling rate converter
Input: 32 kHz/44.1 kHz/48 kHz
Coding
ATRAC (Adaptive TRansform Acoustic
Coding)
ATRAC3 — LP2
ATRAC3 — LP4
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, minimum input
level 0.25 mV
1)
Line in : stereo mini-jack, minimum input
level 49 mV
1)
Optical (Digital) in : optical (digital) mini-jack
Outputs
2)
i/LINE OUT : stereo mini-jack (dedicated
remote control jack) 194 mV (10 kohm)
Maximum output (DC)
Headphones: 5 mW + 5 mW (16 ohm)
2)
Power requirements
Sony AC Power Adaptor connected at the DC
IN 3V jack:
120 V AC, 60 Hz (U.S.A., Canadian and
Taiwan model)
230 V AC, 50/60 Hz (Europe continental
model)
240 V AC, 50 Hz (Australian model)
220 V AC, 50 Hz (Chinese model)
230 - 240 V AC, 50 Hz (U.K. and Hong
Kong model)
220 V AC, 50 Hz (Argentina model)
110/220 V AC, 60 Hz (Korean model)
100 - 240 V AC, 50/60 Hz (Other models)
Nickel metal hydride rechargeable battery NH-
14WM(A) 1.2V 1350 mAh (MIN) Ni-MH
LR6 (size AA) alkaline battery
Battery operation time
See "Battery life" (page 75)
3)
Dimensions
Approx. 78.9 × 72.0 × 17.1 mm (w/h/d)
× 2 ×
(3 1 / 7 / 11 / in.)
8 8 16
Mass
Approx. 110 g (3.9 oz) the recorder only
1)
The LINE IN (OPT) jack is used to connect
either a digital (optical) cable or a line
(analog) cable.
2)
The i/LINE OUT jack connects either
headphones/earphones or a line cable.
3)
Measured in accordance with JEITA.
Supplied accessories
AC power adaptor (1)
Headphones/earphones with a remote control
(1)
Battery charging stand (Assembly needed) (1)
Rechargeable battery (1)
Dry battery case (1)
Rechargeable battery carrying case (1)
Carrying pouch/carrying case with a belt clip
(1)
AC plug adaptor (Except Europe, China and
HongKong model) (1)
Optical cable (1)
US and foreign patents licensed from Dolby
Laboratories.
Design and specifications are subject to change
without notice.
87