Sony PMC-MD55 - Manual (Page 73)

73
Additional Information
Specifications
MD player section
System
Minidisc digital audio system
Disc
MiniDisc
Laser diode properties
Material: GaAlAs
Wave length: 785 nm
Emission duration: Continuous
Laser output: Less than 44.6 µW
(This output is the value measured at a distance of
about 200 mm from the objetive lens surface on the
optical pick-up block with 7 mm aperture.)
Recording/playback time
Maximum 74 minutes (with MDW-74)
Revolutions
400 rpm to 900 rpm (CLV)
Error correction
Advanced Cross Interleave Reed Solomon Code
(ACIRC)
Sampling frequency
44.1 kHz
Coding
Adaptive TRansform Acoustic Coding (ATRAC)
Modulation system
EFM (Eight-to-Fourteen Modulation)
Number of programme positions
2 stereo programme positions
Frequency response
20 - 20,000 Hz +1/–2 dB
Signal-to-noise ratio
Over 80 dB (during playback)
Wow and flutter
Below measurable limit
Super woofer
Speaker
Woofer: 10 cm (4 in.) dia., 4.0 ohms, cone type
Power output
30 W (at 100 Hz)
Power consumption
AC 28 W
Dimensions (incl. projecting parts)
Approx. 172
Ч
181
Ч
231 mm (w/h/d)
(6 7 ⁄
8
Ч
7 1 ⁄
4
Ч
9 1 ⁄
8
inches)
Mass
Approx. 3.6 kg (7 lb. 15 oz.)
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL
HARMONIC DISTORTION
With 4-ohm loads, both channels driven from
100 - 10,000 Hz; rated 7 W per channel-
minimum RMS power, with no more than
10 % total harmonic distortion in AC
operation.
Super woofer with 4-ohm loads, driven at
70 Hz; rated 30 W minimum RMS power,
with no more than 10 % total harmonic
distortion in AC operation.
Other Specifications
CD player section
System
Compact disc digital audio system
Laser diode properties
Material: GaAlAs
Wave length: 785 nm
Emission duration: Continuous
Laser output: Less than 44.6 µW
(This output is the value measured at a distance of
about 200 mm from the objetive lens surface on the
optical pick-up block with 7 mm aperture.)
Spindle speed
200 r/min (rpm) to 500 r/min (rpm) (CLV)
Number of programme positions
2
Frequency response
20 - 20,000 Hz +1/–1 dB
Wow and flutter
Below measurable limit
Radio section
Frequency range
FM: 87.6 - 108 MHz
AM: 530 - 1,710 kHz
Antennas
FM: Lead antenna
AM: Loop antenna
continued