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MOUNTING
THE EXC
CROSSOVER
6
The EXC Passive Crossover can be mounted in virtually any location inside the vehicle.
Be sure not to mount the EXC system crossover outside the vehicle, or in a location
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
LEVEL
CONTROL
Tweeter Attenuation
The EXC system has been designed to provide optimum sound in a variety of
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
The provided crossover also allows for two positions of midrange level control. A switch
under the clear plastic crossover cover sets one of the two positions - MIDRANGE
PRESENCE -- ON/OFF. The ON position provides increased midrange, a feature useful
for adjusting midrange vocal presence. See Figure 7.
MIDRANGE
LEVEL
CONTROL
Tweeter Protection Activation
Under high power/high volume conditions, the dynamic tweeter level control (DTLC)
circuit may activate. The purpose of DTLC is to prevent failure of the tweeter by reducing
its output when necessary. Upon activation of the DTLC circuit, there will be an audible
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.
DYNAMIC
TWEETER
LEVEL
CONTROL
FIGURE 7