© 2008 Directed Electronics. All rights reserved. 17
Reverse Polarity:• Any instance when the battery polarity or wires
from the battery to the amplifier are reversed.
Thermal LED: This LED lights up red if the amplifier overheats. An
amplifier can thermal many different ways and below is a description
of reasons the amplifier could engage the Thermal Circuit.
Speaker loads lower than the amplifiers minimum impedance •
load will cause the amplifier to draw more current and may
result in overheating. This can be avoided by using speakers or
wiring methods that result in an impedance load greater than the
amplifiers minimum impedance load capability.
The amplifier can also overheat if it is not receiving proper •
ventilation, when mounting a amplifier make sure it has room for
air to circulate and keep it cool. Amplifiers will get hot because
they produce energy and care and consideration should be taken
into account when installing any amplifier.
The temperature inside the car where the amplifier is mounted •
is extremely hot. This can occur in desert climates. It is not
uncommon for temperatures inside a parked car to reach in
excess of 140°F (60°C). If airflow is restricted to the mounting
area, the main car cabin may cool down before the rest of the car
has dropped appreciably.
Amplifier Top Plate
Figure 12
Figura 12
Abbildung 12
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