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(Please note: If you intend to use the CSA50.2 in the Tri-mode configuration, it is
necessary to set the crossover control to the “FLAT” setting in order to receive full
range output)
The “CS” amplifiers are equipped with a built-in crossover network allowing you to
select the crossover type (i.e. Low-Pass or Hi-Pass) and the desired crossover point.
For example if you wish to drive a pair of subwoofers, you can select the “Low Pass”
setting on the amplifier to filter out high frequencies. This will send only low
frequencies to your subwoofers (see example settings below).
Select the crossover type on the
amplifiers side panel.
(Low-pass is selected in this example for subwoofers)
You can add up to 12dB bass boost by
increasing the Bass Boost control.
(CSA300.1 Only)
Select the crossover
point for your speakers.
(CSA300.1 Only)
ADJUSTING THE X-OVER AND BASS
Fine tune the amplifier's input sensitivity.
The gain sensitivity control for the “CSA”
amplifier is located on the side panel. This gain control
has been included to allow adjustment to properly
match the output of the radio. This is one of the most
misunderstood adjustments. By rotating the control in
the clockwise direction, the amplifier‘s input will
become more sensitive and the music will play louder.
This is not a volume control and you will not get more power out of the amplifier in
the maximum position! It may seem to deliver more output, but actually the
system is only playing louder faster as you turn the volume control on the radio.
Ideally, to properly level match the system the goal is to achieve maximum output
from the amplifier without distortion at about 3/4 of the volume control.
To determine if the amplifier’s gain is set properly, turn the system on and slowly
increase the volume control. You should be able to use about 3/4 volume before
the system gets loud but not distorting. It is very important when making these
adjustments that you do not over drive the speakers (at point of distortion) this will
cause permanent damage to the speakers. If you are unable to achieve 3/4 volume
before distortion you will need to adjust gain control (in this case you would reduce
the gain). The gain controls should be adjusted very slowly. It may help to have
another person to assist you by adjusting the gain controls while you listen for
distortion.
FINE TUNE THE SYSTEM
14
LEVEL
MAXMIN
X-OVER
400Hz
60Hz
BASS
BOOST
12dB
0dB
FILTER
LOW
FLAT
HIGH