Sony XM-250 Service Manual

~ SERVICE MANUAL
Canadian Model
SPECIFICATIONS
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC DISTORTION 50
watts per channel minimum continuous average power into 4 ohms,
both channels driven from 20 — 20,000 Hz with no more than 0.04 % 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
Outputs Speaker terminals
Speaker impedance 2~8 ohms (stereo)
4-8 ohms (when used as a bridging
amplifier)
Maximum output at 4 ohms
100 watts per channel
260 watts (monaural)
Rated outputs (supply voltage at 14.4 V) ;
50 watts per channel (20 Hz - 20 kHz,
0.04% THD, at 4 ohms)
65 watts per channel :
(20 Hz - 20 kHz, 0.1% THD, at 2 ohms)
Monaural: 130 watts
; (20 Hz -.20 kHz, 0.1% THD,.at 4 ohms)
Frequency response 5 Hz - 100 kHz ('9 dB)
Harmonic distortion'
. 0.005% or less (at 1 kHz, 4 ohms, 25 watts)
Low-pass filter 80 Hz, - 18 dB/oct
High-pass filter 80 Hz, ~ 12 dB/oct
Input level adjustment range
0.2-2V.
Power requirements
12 V DC car battery (negative ground)
Power supply voltage
10.5-16V
Current drain at rated output 12A
(4 ohms, 50 watts x 2)
at 10% THD: 16A
Remote input: 5 mA
Dimensions Approx. 219 x 56 x 182mm
(w/h/d)
(85/g x21/gx 71/4
inches) not incl. projecting parts and
controls
Mass Approx. 2 kg (4 lb. 6 oz.)
not incl. accessories
Supplied accessories Mounting screws (4)
Design and specifications are subject to change without notice.
STEREO POWER AMPLIFIER
SONY.