System Diagrams - Diamond D3 Series Owner's Manual

Problem
Distorted audio.
Solution
Check that gains are set correctly. Inspect speakers for damaged cones or bad
voice coils.
Problem
Amplifier fuse keeps blowing.
Solution:
Check all power and signal wires for a short. Make sure power and ground wires are
correctly connected to the amp.
Problem
Whining, ticking, or any other unwanted noise present in system when engine is
running.
Solution
Amplifier may be picking up alternator or radiated noise. Make sure all signal wires
are separated from power wires. Check all signal and power wires for a sold
connection. Check all ground wires to make sure they have a solid ground.
Check alternator and/or voltage regulator for solid connections. Check battery for
adequate voltage and connection.
If you have any questions or need added help with your new D3 Amplifier, please feel free
to call Diamond Technical Support at 1-866-328-2834.

SYSTEM DIAGRAMS

The Diamond Audio D3 400.2(Fig.5 to 7)and D3 400.4(fig.8 to 13)2 and 4-channel car audio
amplifiers can be used in a variety of system applications.Here are some examples to plan
your own installation
D3 400.2
Fig.5
In this application the amplifier is bridged for mono operation to drive a subwoofer
Bridged-Mono Subwoofer System
Low HIGH FULL
5