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Focal FSP-8 User Manual page 7

8-channel digital signal processor

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FSP-8
8-Channel Digital signal processor
U s e r M a n u a l
3 – Connections
Only use the cables recommended in the user manual. The wire gauge of power cables must correspond
with those indicated in the table (paragraph 3.1) and depends on the power of your equipment and the
length of cable required. Use double or triple shielded RCA cables to avoid any interference with the low-
level signal.
CAUTION
Avoid routing power supply cables close to input/output cables, close to your car's aerial or close to
sensitive equipment and harnesses. High-current power supply cables can cause static/interference that
affects audio signals.
Keep the cables as short as possible to optimise the quality of the installation. This will also limit signal loss.
3.1 – Connecting the power supply
The required wire gauge of power cables depends on the length of cabling to the battery and to the
ground, the minimum recommendations are shown in the table below:
Product
FSP-8
Compliance with these wiring rules is essential for the safety of your electrical installation. It is also
important for maintaining maximum performance of your FSP-8.
Route the positive (+) power cable.
Get hold of the negative (- or ground) power cable. This cable should be as short as possible and ideally
shouldn't be any longer than 3ft (1m), to ensure a perfect connection between the FSP-8 and the chassis of
the vehicle. The cable and wire gauge must comply with the table above. Find a suitable grounding point,
then sand it to remove any traces of paint or other coating, in order to optimise the quality of the contact
point. Drill a hole in the metal that you have previously sanded, making the hole the same diameter as
the screw you are using, and making sure that there are no fuel lines, cables or any other sensitive vehicle
devices nearby. Strip 0
the other end of the cable and then crimp or weld it to the intended terminal lug. Pass the screw through
terminal lug, and fasten securely in place with the nut.
3.2.1 – Connecting the inputs to the FSP-8
Your head unit is equipped with low-level RCA or optical outputs.
Route together the modulator cables (RCA) or optical cables, the REM cable from the head unit, and the
REMOTE CONTROL cable (if the remote control is installed, RS-485 connector), ensuring you isolate them
from other powerful automobile accessories, particularly electric motors (windscreen wipers etc.).
Your head unit is only equipped with amplified outputs (speaker driver outputs).
Route together the modulator cables from the head unit and the REMOTE CONTROL cable (if the
remote control is installed, RS-485 connector), ensuring you isolate them from other powerful automobile
accessories, particularly electric motors (windscreen wipers etc.).
In this case, connecting the REM input is not essential as the FSP-8 is equipped with a DC detection system
on the high-level inputs. This function is not available on the AUX and OPTICAL inputs.
Notice_FSP-8.indd 18
Wire gauge in mm
Wire gauge AWG
" (1cm) of cable (fig.C). Screw the cable securely to the FSP-8's GND terminal. Tin
1/3
> 0.5mm²
2
< 20AWG
18
20/01/17 12:24

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