Sony Atrac3/MP3 CD Walkman D-NE520 - Manual (Page 32)

Specifications
System
Compact disc digital audio system
Laser diode properties
Material: GaAlAs
Wavelength:
λ = 770 - 800 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).
D-A conversion
1-bit quartz time-axis control
Frequency response
20 - 20 000 Hz +1
–2
dB (measured by JEITA)
Output (at 3 V input level)
Line output (stereo minijack)
Output level 0.7 V rms at 47 k Ω
Recommended load impedance over 10 k Ω
Headphones (stereo minijack)
Approx. 5 mW + Approx. 5 mW at 16 Ω
(Approx. 1.5 mW + Approx. 1.5 mW at 16 Ω)*
*For the customers in Europe
Power requirements
• Sony NH-7WMAA rechargeable battery:
1.2 V DC × 1
• LR6 (size AA) battery: 1.5 V DC × 1
• AC power adaptor (DC IN 3V jack):
220 V, 50 Hz (Model for China)
120 V, 60 Hz (Model for Mexico)
Operating temperature
5°C - 35°C (41°F - 95°F)
Dimensions (w/h/d) (excluding projecting parts
and controls)
Approx. 129 Ч 29.6 Ч 140.8 mm
(5 1⁄8 Ч 1 3⁄16 Ч 5 5⁄8 in.)
Mass (excluding accessories)
Approx. 170 g (6.0 oz.)
US and foreign patents licensed from Dolby
Laboratories.
Design and specifications are subject to change
without notice.
Maintenance
To clean the casing
Use a soft cloth slightly moistened in water or
a mild detergent solution. Do not use alcohol,
benzine or thinner.
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D-NE520.GB.2-541-629-13(1)