Clarion APX280M - Manual (Page 7)

Operation/Installation Manual
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7. When creating passage holes for power cables, RCA's cords, and speaker wires,
use grommets to eliminate any sharp edges created during drilling. This will
protect the wire from being nicked and causing a short circuit.
8. Extra cable can cause signal loss and act as an "antenna" for noise. Use only
high-quality RCA cords that are no longer than necessary.
9. In multiple amplifier systems, it is recommended to use a relay on the remote
turn-on lead of the radio.
WIRING AND APPLICATIONS
The Clarion APX280M 2-channel marine audio amplifier can be used in a variety of
system applications. Here are some examples to help plan your own installation.
Bridged - Mono Subwoofer System
Set X-Over Mode to LP and adjust
FREQ to speaker specifications.
Figure 4
In this application the amplifier is bridged for mono operation to drive a subwoofer.
Subwoofer 4 Ohms
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