11
POWER CONNECTIONS
Link both the positive and negative supply connectors directly to the battery, keeping the
polarities. The wire gauge has to be adapted to the amplifier, as showed in the table.
To prevent fire in the event of a shorted cable, place a fuse (see table), near to the battery,
on the positive pole. Leave the fuse out until everything is checked. The amplifier fuse don't
substitute the battery one.
Route all wires through a protection grummet; don't put the cables close to
electronic devices, car wiring or heat-generating parts.
Double-check every connections; finally, re-connect the battery fuse.
PROTECTIONS
In the event of a fault condition, the protection circuit turns off the amplifier; it
is re-activable by turning off and on the car radio. When the protection circuit is
in operation, the PWR/PRT led changes its colour from green to red.
Solve the problem before turn on the amplifier again.
If you experience blown a fuse, replace it with same type one.
Doing otherwise, the warranty will avoid and the amplifier can be damaged.
Solve the problem before turn on the amplifier again.
models
cable
fuse
TDA 270
8 mm
2
40 A
TDA 290
8 mm
2
60 A
TDA 470
13 mm
2
80 A
TDA 490
13 mm
2
80 A
Link the car radio remote output to the amplifier REM connector by using 1 mm
2
cable.
Link the loudspeakers by a high quality speaker cables, keeping the polarities.
Never link the negatives of speakers together and never connect to ground any speakers.
12V
REM
GND
fuse
BRIDGED
LEFT
RIGHT
4÷8
Ohm
BRIDGED
LEFT
RIGHT
2÷4
Ohm
2÷4
Ohm
stereo
linking
br idge
linking
