Specifications - Sony Walkman MZ-N420D Operating Instructions Manual

Specifications

MD Player
Audio playing system
MiniDisc digital audio system
Laser diode properties
Material: GaAlAs
Wavelength: = 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 objective 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 LP4 stereo
Revolutions
Approx. 380 rpm to 2,700 rpm
Error correction
ACIRC (Advanced Cross Interleave Reed
Solomon Code)
Sampling frequency
44.1 kHz
Coding
ATRAC (Adaptive TRansform Acoustic
Coding)
ATRAC3 — LP2/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
Outputs
i: stereo mini-jack, maximum output level
5 mW + 5 mW, load impedance 24
5 mW + 5 mW, load impedance 16
28
General
Power requirements
One LR6 (size AA) alkaline battery (not
supplied)
Recommended temperature for
check-in/check-out
+5 C (+41 F) or higher
Battery operation time
See "Battery life" (page 14)
Dimensions
Left-hand model on page 12
Approx. 81
3
1 /
16
Right-hand model on page 12
Approx. 81
1
1 /
4
Mass
Left-hand model on page 12
Approx. 106 g (3.8 oz) the player only
Right-hand model on page 12
Approx. 113.3 g (4.0 oz) the player only
US and foreign patents licensed from Dolby
Laboratories.
Design and specifications are subject to change
without notice.
Optional accessories
MDR series stereo Headphones/earphones*
SRS series Active Speakers
When using optional headphones, use only
headphones/earphones with stereo mini
plugs. You cannot use headphones/
earphones with micro plugs.
Your dealer may not handle some of the above
listed accessories. Please ask the dealer for
detailed information about the accessories in
(USA)
your country.
(Canada)
28.9 74.4 mm (w/h/d) (3
3 in.) without projections
30.7 74.4 mm (w/h/d) (3
3 in.) without projections
1
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4
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