Specifications - Sony Walkman D-EJ750 Operating Instructions Manual

Specifications

System
Compact disc digital audio system
Laser diode properties
Material: GaAlAs
Wavelength: λ = 780 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
+1
20 - 20 000 Hz dB (measured by JEITA CP-
–2
307)
Output (at 4.5 V input level)
Line output (stereo minijack)
Output level 0.7 V rms at 47 kΩ
Recommended load impedance over 10 kΩ
Headphones (stereo minijack)
Approx.5 mW + Approx. 5 mW at 16 Ω
(Approx. 0.5 mW + Approx. 0.5 mW at 16 Ω)*
*For the customers in France
Power requirements
For the area code of the model you
purchased, check the upper left side of the
bar code on the package.
• Two Sony NC-WMAA rechargeable
batteries: 2.4 V DC
• Sony NH-WM2AA rechargeable batteries:
2.4 V DC
• Two LR6 (size AA) batteries: 3 V DC
22
• AC power adaptor (DC IN 4.5 V jack):
U2/U/CA2/E92/MX2/TW2/BR3 model:
120 V, 60 Hz
CED/CET/CEW/CEX/CE7/EE/EE1/E13/G5/
G6/G7/G8/BR1 model:
220 - 230 V, 50/60 Hz
CEK/3CE7 model: 230 - 240 V, 50 Hz
AU2 model: 240 V, 50 Hz
JE.W/E33/EA3/KR4 model: 100 - 240 V,
50/60 Hz
HK2 model: 220 V, 50/60 Hz
AR1/CNA model: 220 V, 50 Hz
Battery life* (approx. hours)
(When you use the CD player on a flat and stable
surface.)
Playing time varies depending on how the CD
player is used.
When using
Two NC-WMAA
(charged for
about 3 hours**)
NH-WM2AA
(charged for
about 5 hours**)
Two Sony alkaline
batteries LR6(SG)
(produced in Japan)
* Measured value by the standard of JEITA (Japan
Electronics and Information Technology
Industries Association).
** Charging time varies depending on how the
rechargeable battery is used.
Operating temperature
5°C - 35°C (41°F - 95°F)
Dimensions (w/h/d) (excluding
projecting parts and controls)
Approx. 135.5 × 29.2 × 137.4 mm
× 1 × 5
3 3 1
(5 ⁄ ⁄ ⁄ in.)
8 16 2
Mass (excluding accessories)
Approx. 185 g (6.6 oz.)
Design and specifications are subject to change
without notice.
G-PROTECTION function
on off
12 10
25 22
48 38