Directed Electronics 450.5 Owner's Manual - Page 9
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REAR PANEL CONNECTIONS
1. R R e e m m o o t t e e T T u u r r n n O O n n - This terminal
turns on the amplifier when (+) 12
volt is applied to it. Connect it to
the remote turn on lead of the head
unit or signal source. If a (+) 12
volt remote turn on lead is not
available, Remote Power Adapter
(P/N #55000) can be used to
supply a remote turn on signal. DO
NOT connect this terminal to
constant (+) 12 volt.
2. S S p p e e a a k k e e r r O O u u t t T T e e r r m m i i n n a a l l s s - Connect
the speakers to these terminals.
(Refer to the Speaker Wiring
Diagrams section of this guide.)
3. S S u u b b O O u u t t T T e e r r m m i i n n a a l l s s - Connect
subwoofers to these terminals.
(Refer to the Speaker Wiring
Diagrams section of this guide.)
4. P P o o w w e e r r F F u u s s e e s s - - These fuses protect
the amplifier against internal elec-
trical damage and are meant to
protect the amplifier only. All other
power connections should be fused
at the source.
FIGURE 2—AMPLIFIER CONNECTIONS 450.5 REAR
1
2
© 2003 Directed Electronics, Inc
5. ( ( + + ) ) 1 1 2 2 V V o o l l t t P P o o w w e e r r - Connect this
terminal through a FUSE or CIRCUIT
BREAKER to the positive terminal of
the vehicle battery or the positive
terminal of an isolated audio
system battery.
W W A A R R N N I I N N G G : : Always protect this power wire by installing a fuse
or circuit breaker of the appropriate size within 12
inches of the battery terminal connection.
6. G G r r o o u u n n d d - - Connect this terminal
directly to the sheet metal chassis
of the vehicle, using the shortest
wire necessary to make this
connection. Always use wire of the
same gauge or larger than the (+)
12 volt power wire. The chassis
connection point should be scraped
free of paint and dirt. Use only
quality crimped and/or soldered
connectors at both ends of this
wire. DO NOT connect this terminal
directly to the vehicle battery
ground terminal or any other
factory ground points.
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