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CONNECTING A470-170
IMPORTANT: DISCONNECT THE -12V MAIN POWER CABLE
FROM YOUR CAR BATTERY BEFORE ANY CONNECTING WORK
IS CARRIED OUT!
Recommended Power Cable Cross-Sections and Main Fuse
Values (for +12V and Ground cable based on 5m +12 V cable)
Model
Cross-Section
A470-170
It is recommended to connect your amplifier in the following
sequence:
1
Make sure your head-unit is turned off and the volume control
is in its minimum position .
2
RCA outputs of your head-unit to respective RCA inputs of your
amplifier .
Sub pre-outs from head-unit should be fullrange signals because
lowpass pre-out signals always affect the filtering electronics of
amplifier! In case of doubt just 'double' a fullrange front or rear pre-
out by using Y-adaptors .
A470-170 Manual DEF.indd 21
Main Fuse
20 mm²
60 A
3
Remote lead connection from head-unit to amplifier .
4
Speaker cables to respective speakers or passive crossovers .
Make sure to maintain polarity! "" to "" and "" to "" .
For Mono 1-channel mode use of 4/2-channel models, connect the
two terminals "" and "" marked with BRIDGE!
Min . impedance for bridged mode is 4 Ohms!
5
Ground connection to chassis ground or -12 V negative battery pole .
If possible keep ground cable as short as possible and make
sure the chassis contact is well sanded, i .e . clean from any paint, rust
or dirt for maximum contact .
6
+12 V power connection to positive battery pole . Do not
forget to install a main fuse within 30 cm of car battery (fire
hazard)!!!
Do not connect +12 V cable to battery before re-checking every
other connection on the amplifier!
Turn-on your head-unit keeping your volume at the lowest setting .
The green status LED on front of the amplifier heat sink should light
up now . If not, turn-off your head-unit and re-check all wiring to and
from the amplifier for missing or faulty connections .
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12.09.2007 7:53:19
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