Sony XR-A55 Operating Instructions Manual page 22

Specifications
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
10 watts per channel minimum continuous average power into
4 ohms, both channels driven, from 40 — 15,000 Hz with no more
than 1% total harmonic distortion.
Other Specifications
Main unit (XR-A55)
Power amplifier section
Outputs Speaker outputs (sure seal
connectors)
Speaker impedance 3.2-8 ohms
Maximum power outputs
25 W x 2 (at 4 ohms)
6 W x 4 (at 4 ohms)
Cassette player section
Tape track 4-track 2-channel stereo
Frequency response 30 - 16,000 Hz
Signal-to-noise ratio 55 dB
Wow and flutter 0.15 % (WRMS)
Tuner section
FM
Tuning range 87.9 - 107.9 MHz
Antenna terminal External antenna connector
Intermediate frequency
10.7 MHz
Usable sensitivity 12.5 dBf (75 ohms)
Selectivity 70 dB at 400 kHz
Signal-to-noise ratio 62 dB (stereo). 65 dB (mono)
Harmonic distortion at 1 kHz
0.5 % (stereo). 0.3 % (mono)
Separation 30 dB at 1 kHz
Frequency response 30- 15,000 Hz
Capture ratio 3 dB
AM
Tuning range 530 - 1.710 kHz
Antenna terminal External antenna connector
intermediate frequency
450 kHz
Sensitwity 35 uV
General
Output lead Power antenna relay contro!
lead
Tone controls Bass +8 dB at 100 Hz
Treble + 8 dB at 10 kHz
Power requirements 12 V DC car battery (negative
ground)
Dimensions (without bracket)
Approx. 178 x 50 x 167 mm
(7 Ve x 2 x 6 Sie in.M{w/h/d) not
incl. projecting parts and
2 2 controls
Mounting dimensions Approx. 182 x 53 x 145 mm
(7 "fax 2 Ya x 5 Ya in. (wid)
not incl. projecting parts and
controls
Mass Approx. 1.9 kg (4 Ib. 3 oz.)
CD changer unit (CDX-A55)
System Compact disc digital audio
system
Laser diode properties
Matenal: GaAlAs
Wavelength: 780 nm
Emission duration: Continuous
Laser output power: Less than
44.6 wwe
* This output is the value
measured at a distance of
200 mm from the objective
lens surtace on the Optical
Pickup Block.
Frequency response § — 20,000 Hz +1 dB
Wow and flutter Below measurable limit
Signal-to-noise ratio 92 dB
Outputs Line output (for changer
connector only)
Current drain 800 mA (CD playback)
800 mA (during loading or
ejecting a disc)
Operating temperature
-10°C to 55°C (14°F to 131°F)
Approx. 305 x 88 x 177 mm
(12 ex 3 V2 x 7 in.)(wivad)
Not incl. projecting parts and
controls
Mass Approx. 2 5 kg (5 lb. 8 oz.)
Supplied accessories
Mounting hardware (1 set)
Disc magazine (1)
Connecting cable (1)
Dimensions
Optional accessories
Compact disc single adapor CSA-8
Disc magazine XA-10B
CD cleaning kit CDM ©
Design and spe.mcations subject to change without
notice.