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©2004 Directed Electronics, Inc.
Remote Gain Operation
The remote gain port provides easy remote access to the internal gain structure of the HCCA
power amplifier. The RGC-1 plugs into the amplifier via the 1/8" mini jack plug. The RGC-1
can be installed in the front of the vehicle to control the amplifier gain level. The RGC-1 can
be used as a bass level control when used on an amplifier dedicated to subwoofers.
In addition, one RGC-1 can be used on multiple sub amplifiers. Plug the RGC-1 into the first
amp that must have its RCA output selection switch in the MASTER position. The RGC-1
information will now be sent to subsequent amps via the MASTER signal.
AMPLIFIER WIRING
Power Connections for the 300D, 600D, and 1200D
● Orion 300D Fuse Size: 1 x 30 AMP ATC
● Orion 600D Fuse Size: 1 x 50 AMP MAXI
● Orion1200D Fuse Size: 3 x 40 AMP ATC
● Power connections accept up to 4 AWG wire.
● 4 AWG power and ground wire recommended for optimal performance.
● Connect 12V+ to the battery through fuse holder. This connection provides +12V
main power to the amplifier.
● Power wire must be fused no more than 18" from battery.
● Ground amplifier to a good chassis ground as close as possible to the amplifier.
● Connect REM terminal to remote turn-on lead from source unit. This connection
provides +12V power to turn-on the amplifier.
● Add extra ground wire between the negative terminal of the battery and the
chassis.
Power Connections for the 2500D
● Power connections accept up to 4 AWG wire.
● Dual 4 AWG power and ground wire required for proper performance.
● Connect 12V+ to the battery through power distribution and fuse holder. This
connection provides +12V main power to the amplifier.
● Power wires must be fused no more than 18" from battery.
● Terminate both grounds of the amplifier to a good chassis ground as close as pos-
sible to the amplifier.
● Connect REM terminal to remote turn-on lead from source unit. This connection
provides +12V power to turn-on the amplifier.
● Add an extra ground wire between the negative terminal of the battery and the
chassis. Either dual 4 AWG or single 1/0 AWG is recommended.
NOTE: The addition of a ground wire from the battery to the chassis of the vehicle
improves the ability of the battery to supply power to the amplifier. This is recom-
mended because the current delivery of the factory electrical system was designed
only to accommodate electronics supplied by the auto manufacturer.
WARNING! The Orion 2500D has two separate four-gauge power and ground inputs.
Both pairs of connections must use 4 AWG power wire for proper operation.
Failure to do this may damage the amplifier and is not covered under war-
ranty. The 2500D cannot be operated in a bridge or strapped configuration,
attempting to do so will damage the amplifier.
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