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7
TWEETER
LEVEL
CONTROL
Tweeter Attenuation
The SPL 40 system has been designed to provide
optimum sound in a variety of installation locations. The
provided crossover allows for 2 positions of tweeter
level control, 0dB and -3dB. A switch under the plastic
crossover cover sets one of the two positions. The
factory setting is 0 dB.
SPL 4 Wiring Diagram
Figure 6 shows a diagram illustrating the wiring of the
SPL 40 Component Speaker System. It is important to
make sure that all connections are in phase; that is
positive (+) is connected to positive (+), and negative (-)
is connected to negative (-) since an out-of-phase
connection will cause a dislocated image and low bass
output. We suggest using premium cable. The
connectors provided with this system will accommodate
wire from 12 gauge to 16 gauge.
WIRING
Head Unit
Amplifier
SPL 1 Tweeter
SPL 4 Woofer
SPL 4X
Crossover
FIGURE 6
Tweeter Level
Control Switch
FIGURE 5
40.pub
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Friday, September 10, 1999 21:04