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CA12
Speaker and power
connection
Testing
Before you finish the installation, you should do the
following tests to make sure the wiring is correct
and everything is operating properly.
Test power wiring
1. Turn on the head unit but do not turn up the
volume. The amplifier power light should
come on. If not, check the remote and +12
volt wires. Also check the ground
connection.
2. Turn up the head units volume slightly. All
speakers should operate. if not, check
wiring connections at amplifier and
speakers.
Reconnect Battery
When wiring is complete,
reconnect the battery
negative terminal.
NOTE!
Minimum speaker load is one (1) ohm. You can
connect up to four 4 ohm subwoofers or two 2 ohm
subwoofers to the amplifier. Loads or speaker
impedances less than 1 ohm could result in poor
sound quality and/or damage to amplifier.
The drawing shows how to connect four 4 ohm
subwoofers to the speaker terminal.
6
RCA Output
Use RCA Outputs to
connect additional
amplifiers.
Input Output
AA
BB
Phase control
The phase control can be set
continuously from 0 - 180 degrees. This
is very useful when you want to adjust
the bass sound for best front stage image.
Start on 0 and turn the control slowly
clockwise until you experience the bass
sound coming from the front.
You may have to change the polarity of
the speaker connection to get the best
result.
Phase
0
o
180
o
4 Ω
4 Ω
4 Ω
4 Ω
-
-
-
-
+
+
+
+
Battery
Fuse
Distribu-
tion block
Power Cap
To Remote on
head unit
The speaker
terminals are
doubled for
easier connection
of moreof two or
more
subwoofers. The
+ respective -
terminasls are
internally
connected to
each other. It is
not possible to
connect CA12 in
bridge mode.
6


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