Soundstream Technologies 405 - Manual (Page 8)

INSTALLATION STEP 3
INSTALLATION AND MOUNTING
AMPLIFIER LOCA
The amplifier employs highly efficient circuitry, a custom-engineered
heat sink, and a unique Chassisink construction to maintain lower operating tem-
peratures. Additional cooling may be required if the amplifier is located in a tightly
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 com-
ponents. 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.
MOUNTING THE AMPLIFIER
a. Using the amplifier as a template, mark the holes on the mounting surface.
b. Remove the amplifier and drill the holes for the mounting screws.
C. Secure the amplifier to the mounting surface using the supplied hardware.
WIRING
a. Run and connect the audio signal and remote turn-on cables to the amplifier
from the source unit.
b. Carefully the positive cable from the amplifier to a fuse or circuit breaker
within 18” of the battery.
C. Connect the fuse or circuit breaker lead 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.
POWER UP
Power up the system and look at the Power LED; there may be a 2-3 second delay
from the time the source unit is turned on to the time that the LED on the amp turns
on, which is normal. Once the
LED is on and the source unit is playing,
you should have sound coming from the speakers.
INSTALLATION STEP 4
LEVEL SETTING
The input levels are adjusted by means of the input level controls located on the
front of the amplifier. This is a unique dual-stage circuit that adjusts both level and
gain. This topology maintains better S/N Ratio even when using sources with
minimal output.
In the ideal situation, all components in the audio system reach maximum undistorted
output at the same time. If you send a distorted signal to an amplifier, it is simply
going to amplify distorted information. The same holds true if an outboard proces-
sor or crossover begins to distort before you have maximum output from the ampli-
fier. By setting all components to reach clipping at the same time, you can maxi-
mize the output of your system. For the
amplifier, follow these steps for
setting the input levels:
1.
the amplifier’s input levels to minimum position (counter-clockwise)
2. Set the source unit volume to approximately of full volume.
3. While playing dynamic source material, slowly increase the amplifiers’ input
level until a near maximum undistorted level is heard in the system.
Once the amplifier is installed and the proper levels set, place the front spoiler in
position, and secure it using the supplied hardware.
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