Profile California CA1200 Installation Instructions & Owner's Manual page 12

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The California amplifiers are capable of being bridged in a mono configuration. This feature
allows you the flexibility of using the amplifier to drive a ** subwoofer or a center channel. In
this configuration the amplifier sums the right and left channel to deliver one channel (mono)
output.
Please note: in order for the amplifier to sum right and left signal information, both right and
left RCA connections must be made.
**CAUTION! In the bridged mode, the amplifier must see a 4 Ohm load or higher. Any
lower than 4 Ohms will cause the amplifier to overheat and possibly cause permanent
damage to the amplifier!
TWO CHANNEL BRIDGED SPEAKER CONNECTIONS
FOUR CHANNEL BRIDGED SPEAKER CONNECTIONS
Bridged
CH1
Bridged
CH3
PEAKER CONNECTIONS (BRIDGED)
Fuse
CH3 CH4
CH1 CH2
CH2
CH4
- -
+ +
4 Ohm Speaker 4 Ohm Speaker
(Minimum) (Minimum)
B+ REM GND
4 Ohm Speaker 4 Ohm Speaker
(Minimum) (Minimum)
B+
Fuse
Speaker
Output
+ + - -
4 Ohm Speaker 4 Ohm Speaker
(Minimum) (Minimum)
11
Bridged
Speaker
Output
L R
+ + - -
REM GND