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SERVICE MANUAL
US Model
Canadian Model
E Model
AEP Model
SPECIFICATIONS
Crossever frequency
Mid
FLAT, 80, 120, 180 Hz, 2.4k, 3.5 k, 5 kHz
High 2.4 k, 3.5k, 5k, 7 kHz
Sub 50, 80, 120, 180 Hz
Gain
0dB
+6 dB (Sub-woofer)
Harmonic distortion
less than 0.003%
Signal-to-noise ratio
more than 105 dB
Crosstalk
more than 80 dB
Frequency response
3 Hz to 150 kHz ('$ dB)
Crossover slope
-12 dB/oct
—18 dB/oct (Sub-woofer)
Mid cut
—10 dB to 0 dB (180 Hz)
Q = 1,3,6
Maximum output level
+12 dB
Bass boost
0 to +10 dB (40 Hz)
General
Inputs
Remote control input
Power input
:
Line input (phono jack 6'
Outputs
Line outputs (phono jack 10)
Power requirements
12V DC car battery (negative ground)
Current drain
220 mA
Mounting dimensions
Approx. 260 x 40 x 200 mm (w/h/d)
(103/4 x 15/8 x 77/e inches)
Weight
Approx. 1.8 kg (3 Ib 15 oz)
Accessories supplied
Mounting screws (4)
Power connector cover (1)
Features
e * Linear phase filters (Bessel function type)
realize natural and equal sound levels in and
around the passband frequency.
Hi-fi electrolytic capacitors especially
designed for dynamic sound reproduction
e Phase inversion switches for checking easily
a sound continuity between mid and high
range speakers
* 180 Hz mid cut controls with Q switches for
adjusting a low and mid-low sound
¢ 40 Hz bass boost control for dynamic bass
reproduction
* Linear phase filters (Bessel function type)
Most of the channel dividers currently available
employ flat response filters (Butterworth type). The
group delay characteristic of this type of filters is
much worse than that of the linear phase filters, and
this causes transient distortion in the audio signals at
each filter's crossover frequency. To reduce that
distortion and to obtain hi-fi sound, linear phase
filters (Bessel function type) are used for the
XEC-1000.
:
ELECTRONIC CROSSOVER NETWORK
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