Sony XM-1252GTR Service Manual

SERVICE MANUAL

Ver. 1.0 2005. 12
AUDIO POWER SPECIFICATIONS (US MODEL)
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
125 watts per channel minimum continuous average power into
4 ohms, both channels driven from 20 Hz to 20 kHz with no more
than 0.1% total harmonic distortion per Car Audio Ad Hoc
Committee standards.
Other Specifications
Circuit system OTL (output transformerless) circuit
Pulse power supply
Inputs RCA pin jacks
High level input connector
Outputs Speaker terminals
Suitable speaker impedance
2 – 8 Ω (stereo)
4 – 8 Ω (when used as a bridging amplifier)
Maximum outputs 280 W × 2 (at 4 Ω)
400 W × 2 (at 2 Ω)
800 W (monaural) at 4 Ω
Rated outputs (supply voltage at 14.4 V)
125 W × 2 (20 Hz – 20 kHz, 0.1% THD,
at 4 Ω)
170 W × 2 (20 Hz – 20 kHz, 0.15% THD,
at 2 Ω)
340 W (monaural) (20 Hz – 20 kHz, 0.15% THD,
at 4 Ω)
Frequency response 5 Hz – 50 kHz (
Input level adjustment range
0.3 – 6.0 V (RCA pin jacks)
1.2 – 12.0 V (High level input)
Sony Corporation
9-879-998-01
2005L04-1 eVehicle Division
© 2005. 12 Published by Sony Engineering Corporation
XM-1252GTR
SPECIFICATIONS
+0
dB)
–3
Low-pass filter 80 Hz, –12 dB/oct
High-pass filter 80 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 : 32 A (at 4 Ω)
Remote input : 1 mA
Dimensions Approx. 322 × 55 × 275 mm
(12 × 2 × 10
3/4 1/4
(w/h/d) not incl. projecting parts and controls
Mass Approx. 4.4 kg (9 lb. 12 oz.) not incl. accessories
Supplied accessories Mounting screws (4)
High level input cord (1)
Design and specifications are subject to change without
notice.
STEREO POWER AMPLIFIER
US Model
Canadian Model
E Model
in.)
7/8
1