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MOUNTING
The EXC Passive Crossover can be mounted in virtually any location inside the vehicle.
THE EXC
Be sure not to mount the EXC system crossover outside the vehicle, or in a location
CROSSOVER
where it may be exposed to dirt or moisture (e.g., the engine compartment, inside a
wheel housing, inside a door, at the bottom of a leaky trunk).
TWEETER
Tweeter Attenuation
LEVEL
The EXC system has been designed to provide optimum sound in a variety of
CONTROL
installation locations. The provided crossover allows for three positions of tweeter level
control: HIGH, MED and LOW. The LOW position is useful for using the EXC system in
rear-fill applications. A switch under the clear plastic crossover cover sets one of the
three positions. See Figure 7.
Midrange Attenuation
MIDRANGE
The provided crossover also allows for two positions of midrange level control. A switch
LEVEL
under the clear plastic crossover cover sets one of the two positions - MIDRANGE
CONTROL
PRESENCE -- ON/OFF. The ON position provides increased midrange, a feature useful
for adjusting midrange vocal presence. See Figure 7.
Tweeter Protection Activation
DYNAMIC
Under high power/high volume conditions, the dynamic tweeter level control (DTLC)
TWEETER
circuit may activate. The purpose of DTLC is to prevent failure of the tweeter by reducing
LEVEL
its output when necessary. Upon activation of the DTLC circuit, there will be an audible
CONTROL
decrease in high frequency output as well as a visual indication from the DTLC light bulb
(see Figure 7). The circuit is self-resetting -- if the DTLC activates, turn the volume down
and normal operation will resume momentarily.
FIGURE 7
6
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