JL Audio ClenSweep CL441 dsp, Руководство пользователя

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6 JL AUDIO CleanSweep ™ CL441dsp 6 JL AUDIO CleanSweep ™ CL441dsp
AUX INPUT CONNECTIONS
One of this product’s best features is the ability
to connect additional sources of your choice
to your audio system. To connect an auxiliary
source, you will need standard RCA-type audio
interconnect cables. Depending on the source
unit, you may need additional cable adaptors. If
you wish to connect multiple audio sources to
these jacks, you will need an additional source
selector switch between the source units and the
AUX Inputs of the CL441dsp.
If you will be powering the AUX source from
the vehicle, it is a good practice to make the AUX
source’s power and ground connections at the
same point as the CL441dsp power and ground
connections. This minimizes the possibility of
ground-loops and noise in the system. If your AUX
source unit gives you the option of a fixed line
level output or a variable output (controlled by its
volume control), it is recommended that you use
the fixed level output.
A pair of level trim potentiometers on the top
of the CL441dsp chassis will permit you to level-
match the AUX source to the OEM level. This
should be done after calibrating the OEM Inputs.
See the “Calibration” section on Pages 9 and 10.
Please note that the CL441dsp will not
equalize the AUX source input in any way. The
AUX source audio is passed, undisturbed, to the
CL441dsp’s outputs.
OEM INPUT CONNECTIONS
The CL441dsp accepts up to four channels
of input from an OEM audio source via the 8-pin
plug located on one end of the main processor.
A color-coded harness is included for connection
to this 8-pin plug. The input architecture is set up
in a differential-balanced configuration, making
these inputs compatible with virtually any analog
audio signal.
Refer to the wiring diagram on Page 7 for channel
and polarity information.
It is vital to observe correct electrical polarity
on each channel when making input connections.
Failure to do so can result in significant loss of bass
and other audible problems.
The CL441dsp can accept full-range, analog signals
from virtually all OEM head units and amplifiers.
Depending on the specific architecture of your
OEM system, you will need to choose appropriate
connection points that maintain OEM functionality
and provide appropriate input to the CL441dsp. It is
recommended that you obtain a service manual for
the vehicle you are working on in order to locate
and identify the correct OEM wires. OEM signal
and speaker wires are often twisted in pairs for each
channel, making them easy to identify in a harness.
You can also observe the color codes of the wires
connected to the OEM speakers and trace those
back to the OEM head unit or amplifier harness.
IMPORTANT!
The OEM audio signals connected to the OEM
inputs of the CL441dsp must be full-range (20 Hz
- 20 kHz bandwidth) or very close to it. Feeding
crossed-over signals into the CL441dsp will result
in noisy output or complete failure to calibrate.
This error condition is indicated via flashing red
lights after the calibration has been attempted.
Signals that are crossed over must be summed
to full range using appropriate summing devices
prior to being connected to the CL441dsp. Please
contact your authorized dealer for assistance if
this situation exists in your vehicle. Never attempt
to sum signals by connecting different channels
together directly!
If only two-channels of full-range audio are
available from the OEM system, the CL441dsp can
be used with only two channels connected (and
will only output two channels of audio).