Sony xm-444w Service Manual

QQ
3 7 63 1515 0

SERVICE MANUAL

Ver 1.1 2003. 02
TE
L 13942296513
www
.
Sony Corporation
9-873-977-02
2003B0400-1 e Vehicle Company
© 2003. 02 Published by Sony Engineering Corporation
http://www.xiaoyu163.com
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
35 watts per channel minimum continuous average power into 4 ohms,
both channels driven from 20 Hz to 20 kHz with no more than 0.04% total
harmonic distortion per Car Audio Ad Hoc Committee standards.
Other Specifications
Circuit system
Inputs
Input level adjustment range
Outputs
Speaker impedance
Maximum outputs
4 Speakers:
3 Speakers:
2 Speakers:
Rated outputs (supply voltage at 14.4 V)
4 Speakers:
2 Speakers:
Frequency response
Harmonic distortion
Low-pass filter
High-pass filter
Power requirements
Power supply voltage
Current drain
Dimensions
Mass
Supplied accessories
Design and specifications are subject to c hange without
notice.
x ao u163
y
i
http://www.xiaoyu163.com
XM-444W
2 9
8
SPECIFICATIONS
Q Q
3 6 7 1 3 1 5
OTL (output transformerless) circuit Pulse
power supply
RCA pin jacks
High level input connector
0.3 – 6 V (RCA pin jacks),
0.6 – 12 V (High level input)
Speaker terminals
2 – 8 Ω (stereo)
4 – 8 Ω (when used as a bridging amplifier)
80 W × 4 (at 4 Ω)
80 W × 2 + 222 W × 1 (at 4 Ω)
222 W × 2 (at 4 Ω)
35 W × 4 (20 Hz – 20 kHz, 0.04% THD, at 4 Ω)
40 W × 4 (20 Hz – 20 kHz, 0.1% THD, at 2 Ω)
80 W × 2 (20 Hz – 20 kHz, 0.1% THD, at 4 Ω)
+0
5 Hz – 80 kHz ( dB)
–3
0.005% or less (at 1 kHz, 4 Ω, 10 W)
80 Hz, –18 dB/oct
80 Hz, –12 dB/oct
12 V DC car battery
(negative ground)
10.5 – 16 V
at rated output : 20 A (4 Ω, 35 W × 4)
Remote input : 1.5 mA
Approx. 260 × 55 × 180 mm (w/h/d) not incl.
projecting parts and controls
Approx. 2.4 kg not incl. accessories
Mounting screws (4)
High level input cord (1)
Protection cap (1)
STEREO POWER AMPLIFIER
co
.
9 4 2 8
US Model
0 5 8 2 9 9 4 2 8
m
9 9
9 9
1