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Warning
We build all ARC Audio products to play at high volumes for extended periods of
time. Your ears however are not designed for high volume listening. This product
can easily generate volumes that can permanently damage your hearing. We
urge you to limit your exposure to very high volume sound.
You may also find your state has laws governing the volume of an audio system
in a car. Please be aware of all local and state laws in you area.
A properly tuned and operated audio system will deliver years of enjoyment
when used properly.
Installation Instructions
ARC Audio FD Series Amplifiers are designed for easy installation in your vehicle.
To ensure proper operation of your new purchase, please follow the suggestions
we have listed below:
Warning
Please check the suitability of the installation location before you begin. Do not cut any of
the car’s structure. Pay close attention to what is behind the panels or carpet. Often the
manufacture will hide wires, computers or other electronic devices in the exact areas you
wish to install in.
If you do not have experience with automotive electrical and mechanical systems contact
a professional installer. Paying a qualified installer is almost always cheaper then paying
a dealership to repair your car.
Locating the Amplifier
The amplifiers must be securely mounted to a solid surface. Please select a dry
location in the trunk or passenger compartment only. Do not mount the amplifier to
any area that may have excess vibration (like the subwoofer box). Position the
amplifier in an area that receives sufficient airflow for proper heat dissipation.
Congratulations!
Thank you for purchasing an ARC Audio Hi-Performance Amplifier.
ARC Audio amplifiers are conservatively rated and produce more power per channel
than others in there class. Manufactured to the highest standards of quality and
reliability to deliver years of listening enjoyment.
ARC Audio…SOLID CONSTRUCTION for SOUND Car Audio Systems.
Setting the Gains
So you're worried that your 4 Volt output head unit will be too much for the ARC Audio's 2.5 Volt
input stage.
Don't Be
ARC Audio Amplifiers input stage is rated to 2.5 volts RMS @ 1KHz without clipping.
Music is very dynamic. Nothing like a 1KHz test tone. It would be rare to see a peak as high as a test
tone. Furthermore, your head unit produces its output at full volume but when you tune your system
you always set the head unit to 70% of maximum volume.
Supplying Enough Power
The Laws of Nature
Your amplifier Does NOT make power. It converts power, or current, from your cars electrical system
and turns it into a high power musical energy. If the amp can't get all the power it needs it will not
produce its full output. Your ARC Audio amplifier will produce Full output for longer then other amps
on the market today. If the Voltage or Current drops too low even our amplifiers will drop below
their rated output. Make sure your vehicle charging system is in good working order. Any Hi-
Performance audio amplifier will increase the demand on your alternator and battery. If you are
unsure have your charging system tested by a professional technician.
The Ground!!!
Warning: Read this Carefully
The ground wire should be connected directly to the chassis of your vehicle. Find a clear location close to the
amplifier and remove all the paint and sound deadener. Use a #10 or larger screw to secure it. Never use
seatbelt bolts for grounding.
Remember, the ground must carry the same high current as the positive power wire.
To reduce the risk of noise, run all signal cables away from any vehicle or power supply wiring.
Running the Cables
Carefully run the power and signal cables through the passenger compartment of the vehicle.
Always use a rubber grommet to prevent the power wire from shorting and to reduce the risk of fire.
An 4 gauge or larger wire should be used for power and ground connections. We recommend a fuse
be installed on the power wire within 18 inches of the battery for safety.