MICROFILM
XM-250X
SERVICE MANUAL
STEREO POWER AMPLIFIER
SPECIFICATIONS
AEP Model
UK Model
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 pea channel
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)
+ 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
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.
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SECTION 1
GENERAL
This section is extracted from
instruction manual.
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