7
2. Two fullrange speakers and one subwoofer
bridged to XM40 (3-channel mode).
Filter settings front channels CH 1 / 2
Speaker wiring XM40
1. Four fullrange speakers to XM40. One pair
in front and one pair in rear.
Front
speakers
Filter settings front channels CH 1 / 2
Filter settings rear channels CH 3 / 4
XM40
For power wiring, see page 3-4
For high or low level input wiring, see page 4
Rear or front stereo speakers
connected to channels 1 / 2 and subwoofer
to channels 3 / 4.
Rear
speakers
Front and rear stereo speakers
connected to front & rear channels
The high pass filter (HPF)
blocks very low frequen-
cies from reaching the
speakers. It is mostly
used to protect small
speakers ( like 5 inch and
smaller ) from deep bass.
Set the swich in position HPF to activate the filter.
Adjust with the HPF control after your own taste,
a normal setting is 50 - 70 Hz.
The filter can be set at FULL position if you want to
run the amplifier in full range mode without limiting
the frequency range.
Filter settings rear channels CH 3 / 4
For the rear channels 3/4 the filter should be ad-
justed in the same way as for channels 1/2.
The low pass filter (LPF) is
mostly used for subwoofers.
It will allow low frequencies
only and blocks higher fre-
quencies.
A typical setting is 60 – 70
Hz.
Set the switch to LPF position to activate the filter.
Use this position when conncted to a subwoofer.
The high pass filter (HPF)
blocks very low frequen-
cies from reaching the
speakers. It is mostly
used to protect small
speakers ( like 5 inch and
smaller ) from deep bass.
Set the swich in position HPF to activate the filter.
Adjust with the HPF control after your own taste,
a normal setting is 50 - 70 Hz.
The filter can be set at FULL position if you want to
run the amplifier in full range mode without limiting
the frequency range.
50 Hz 500 Hz
FILTER HPF
HPF FULL LPF
50 Hz 500 Hz
FILTER HPF
HPF FULL LPF
50 Hz 500 Hz
HPF FULL LPF
LPF FILTER
+ CH1 - + CH2 -
+ CH3 - + CH4 -
+ -
+ -
- +
- +
+ CH3 - + CH4 -
+ CH1 - + CH2 -
- +
- +
4 ohm
+ -
BRIDGEABLE
(12 pages)
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