12
INSTALLATION AND MOUNTING
1. AMPLIFIER LOCATION
The REFERENCE405s amplifier employs highly efficient circuitry and a unique
Chassisink
TM
design to maintain lower operating temperatures. Additional
cooling may be required if the amplifier is located in a tightly confined area or
when driving especially low impedance loads at extremely high levels.
When mounting the amplifier, it should be securely mounted to either a panel
in the vehicle or an amp board or rack that is securely mounted to the vehicle.
The mounting location should be either in the passenger compartment or in the
trunk of the vehicle, away from moisture, stray or moving objects, and major
electrical components. To provide adequate ventilation, mount the amplifier so
that there are at least two inches of freely circulating air above and to the sides
of it.
2. SWITCHES
Set High Power/High Current and Coherent Stereo
TM
/Bridged Mono switches to
the appropriate positions (see pages 8 - 9).
3. MOUNTING THE AMPLIFIER
a. Using the amplifier as a template, mark the mounting surface.
b. Remove the amplifier and drill the holes.
c. Mount the amplifier to the surface using the provided hardware.
4. WIRING
a. Run and connect the audio signal and remote turn-on cables to the
amplifier from the source unit.
b. Carefully run the positive cable from the amplifier to a fuse or circuit
breaker within 18” of the battery.
c. Connect the fuse or circuit breaker to the battery. Leave the circuit
breaker off or the fuse out until everything is bolted down.
d. Secure the ground cable to a solid chassis ground on the vehicle. It may
be necessary to sand paint down to raw metal for a good connection.
e. Double check each and every connection!
f. Re-connect the fuse or circuit breaker.
5. POWER UP
Power up the system and look at the green and red LEDs; depending on the
INSTALLATION STEP 4
NOTE: There may be a small spark when connecting the power and ground lead
to the amplifier for the first time. This is caused by current rushing into the
amplifier to charge the power supply capacitors, and is completely normal.
9
COHERENT STEREO™ / BRIDGED MONO
The stereo channels (ch's 1,2,3 & 4) of the REFERENCE405s amplifier have
the ability to operate in either of the following modes:
Coherent Stereo™ with identical left and right stereo channels for
maximum fidelity.
Bridged Mono for dedicated single channel operation; ideal for using the
REFERENCE405s in 3 channel mode.
INSTALLATION STEP 2
Note: If you intend to drive your REFERENCE405s
amplifier in 3 channel mode (channels 1 & 2 and 3 &
4 bridged mono), only the right channel inputs are
active. (See SAMPLE SYSTEM #3 on page 17.)
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