Sony XM-250-X Service manual

XM-250X

SERVICE MANUAL

SPECIFICATIONS

Circuit system OTL (output transformerless) circuit

Inputs RCA pin jacks
Outputs Speaker terminals
Speaker impedance 2 – 8 ohms (stereo)

Maximum output at 4 ohms

Rated output (supply voltage at 14.4 V)

Frequency response 5 Hz – 100 kHz (
Harmonic distortion 0.005% or less (at lkHz, 4 ohms, 25 watts)

Pulse power supply

4 – 8 ohms (when used as a bridging amplifier)

100 watts pea channel
260 watts (monaural)

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)

+ 0

dB)

– 3

AEP Model

UK Model

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

Dimensions Approx. 230 x 53 x 182 mm

(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.

MICROFILM

STEREO POWER AMPLIFIER

SECTION 1

GENERAL

This section is extracted from
instruction manual.

– 2 –

– 3 –

– 4 –