Power Amplifier Reference 5760a/5761a
POWER CONNECTIONS
The Reference amplifiers are capable of WIRE-GAUGE CHART
delivering high power levels, and require a AmplifierMaximumMinimum
reliable connection to the vehicleOs electrical ModelCurrent DrawWire Gauge
system in order to perform optimally. See
Figure 1 for connection location. Please 5760a/5761a87A #8 AWG
adhere to the following instructions carefully.
These recommendations assume 7' 10' wire
GROUND CONNECTIONruns. If your installation differs markedly, you
Connect the amplifierOs Ground (GND) terminalwill need to adjust the wire gauge accordingly.
to a solid point on the vehicleOs metal chassis,
as close to the amplifier as possible. Refer to the
chart below to determine minimum wire-gauge
size. Sand away any paint from this location; use
a star-type-lock washer to secure the connection.SPEAKER CONNECTIONS
Refer to the application guides on the pages
POWER CONNECTION
that follow. Speaker connections should be
Connect a wire (see chart at right for appropriate
made using a minimum of 16-gauge wire.
gauge) directly to the vehicleOs positive battery
terminal, and install an appropriate fuse holderHIGH-LEVEL INPUT CONNECTIONS
within 18" of the battery terminal. Do not
The 5760a/5761a amplifiers are
install the fuse at this time. Route the wire to
equipped with speaker-level inputs that allow
the amplifierOs location, and connect it to the
you to add an amplifier to head units that do
amplifierOs positive (+12V) terminal. Be sure tonot have RCA line outputs. The speaker outputs
use appropriate grommets whenever routingfor the source unit should be connected to the
wires through the firewall or other sheet metal.
amplifier using the supplied connector (square
Failure to adequately protect the positive wire
four-wire plug). Remember to check for proper
from potential damage may result in a vehicle
polarity.
fire. When you are done routing and connecting
this wire to the battery and to the amplifier,
you may install the fuse at the battery. The
NOTE: When using the low-level or high-level
fuse value should be selected based on total
inputs, the AUX outputs can be used to pass a
amplifier-current draw; see chart at right.
full-range line-level signal to another amplifier.
REMOTE CONNECTION
Figure 2. Speaker-level connector.
Connect the amplifierOs Remote (REMOTE)
terminal to the source unitOs Remote Turn-OnHIGH LEVEL
INPUT
lead using a minimum of 18-gauge wire. If your
source unit does not have a remote turn-on ��
connection, connect the amplifierOs (REMOTE)LR
terminal to the vehicleOs accessory circuit.++
GRAY +� WHITE/BLACK
GRAY/BLACK �+ WHITE
R L
Figure 1.Terminal-connection end plate.Speaker Wires
(spliced)
If the amplifierOs fuse must be replaced, use
only the same type and rating as that of the
original. Do not substitute another kind.
Y
25760a
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