Read Sony XM-250X Service Manual online
MICROFILM
XM-250X
SERVICE MANUAL
STEREO POWER AMPLIFIER
SPECIFICATIONS
AEP Model
UK Model
Circuit system
OTL (output transformerless) circuit
Pulse power supply
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)
4 – 8 ohms (when used as a bridging amplifier)
Maximum output at 4 ohms
100 watts pea channel
260 watts (monaural)
260 watts (monaural)
Rated output (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)
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)
+ 0
Frequency response
5 Hz – 100 kHz (
– 3
dB)
Harmonic distortion
0.005% or less (at lkHz, 4 ohms, 25 watts)
Input level adjustment range
0.2 – 4 V
Low-pass filter
80 Hz, –18 dB/oct
High-pass filter
80 Hz, –12 dB/oct
Power requirements
12 V DC car battery (negative ground)
Power supply voltage
10.5 – 16 V
Current drain
at rated output : 12 A
(4ohms 50 watts x2)
at 10% THD : 16A
Remote input : 5 mA
(4ohms 50 watts x2)
at 10% THD : 16A
Remote input : 5 mA
Dimensions
Approx. 230 x 53 x 182 mm
(w/h/d) not incl. projecting parts and controls
(w/h/d) not incl. projecting parts and controls
Mass
Approx. 2 kg not incl. accessories
Supplied accessories Mounting screws (4)
Protection cap (1)
Design and specifications are subject to change without notice.
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SECTION 1
GENERAL
This section is extracted from
instruction manual.
instruction manual.
– 3 –
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