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SERVICE MANUAL
US Model
Canadian Model
XM-475GSX
STEREO POWER AMPLIFIER
Other Specifications
Circuit system OTL (output transformerless) circuit
Pulse power supply
Inputs RCA pin jacks
High level input connector
Outputs Speaker terminals
Speaker impedance 2 – 8 Ω (stereo)
4 – 8 Ω (when used as a bridging amplifier)
Maximum outputs Four speakers: 170 W × 4 (at 4 Ω)
Three speakers: 170 W × 2 + 400 W × 1 (at 4 Ω)
Two speakers: 400 W × 2 (at 4 Ω)
Rated outputs (supply voltage at 14.4 V)
Four speakers:
75 W × 4 (20 Hz – 20 kHz, 0.04% THD, at 4 Ω)
100 W × 4 (20 Hz – 20 kHz, 0.1% THD, at 2 Ω)
Two speakers:
200 W × 2 (20 Hz – 20 kHz, 0.1% THD, at 4 Ω)
Frequency response 5 Hz – 50 kHz ( dB)
Harmonic distortion 0.005% or less (at 1 kHz)
Input level adjustment range
0.2 – 6.0 V (RCA pin jacks)
0.4 – 12 V (High level input)
High-pass filter 50 – 300 Hz, –12 dB/oct
Low-pass filter 50 – 300 Hz, –12 dB/oct
Low boost 0 – 10 dB (40 Hz)
Power requirements 12 V DC car battery
(negative ground)
Power supply voltage 10.5 – 16 V
Current drain at rated output : 40 A (4 Ω)
Remote input : 1.5 mA
Dimensions Approx. 358 × 50 × 264 mm
(w/h/d) (14
1/8 × 2 × 10 1/2 in.) not incl.
projecting parts and controls
Mass Approx. 3.5 kg (7 lb. 11 oz.) not incl. accessories
Supplied accessories Mounting screws (4)
Design and specifications are subject to change without
notice.
SPECIFICATIONS
AUDIO POWER SPECIFICATIONS (US MODEL)
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
75 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.
+0.5
–3
Notes on Chip Component Replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be
damaged by heat.
Ver 1.2 2002. 07
Sony Corporation
e Vehicle Company
Published by Sony Engineering Corporation
9-873-435-03
2002G0400-1
© 2002. 07
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