FLI TRAP 10A - System Setup and Troubleshooting; Gain and Crossover Control Setup; Troubleshooting Amplifier Power and Fuses

S
et Up Section
G
ain
C
ontrol
S
ettin
g
To correctly set the gain control of the amplifier to match that of the source (headunit) use the
following setup routine:
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
T
urn the gain control to minimum on the ampli
f
ier.

O
n the headunit set all crossovers to flat and both bass and treble to zero.

T
urn up the source
(
headunit
)
to approx 3
/
4 volume.

Very slowly turn up the gain on the amplifier until distortion can be heard in any of the
speakers or until the volume reaches an uncomfortable listening level when this is reached
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turn down the gain control slightly.
p
p
Th
e
g
a
i
n contro
l
i
s now set.
Crossover Settin
g
All FLI active enclosures come with a built in Frequency Control. This will allow you to set the
frequency at which the amplifier filter will take affect.It is variable from 50 Hz - 250 Hz. 50 Hz will
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produce only low frequencies, very deep bass. Whilst 250 Hz will produce low and higher punchy
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yp
bass frequencies. In the correct set up the bass should not be overly prominent, although some
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users may wish to have a bigger bass presence.
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To set this correctl
y
follow the followin
g
routine:

Fi
rst
ly
set t
h
e
g
a
i
n contro
l
correct
ly
as
d
escr
ib
e
d
a
b
ove.

P
la
y
a known piece of d
y
namic music throu
g
h the entire s
y
stem.

Use the Fre
q
uenc
y
Control to blend the fre
q
uencies from the subwoofer into the rest of the
vehicle so that the bass coming from the enclosure disappears' or blends in with the rest of
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th
e car s
p
ea
k
ers.
Th
e
c
r
osso
v
e
r i
s
n
o
w
se
t.
T
rou
bl
es
h
oo
ti
ng

B
e
f
ore removing the ampli
f
ier, re
f
er to the list below and
f
ollow the suggested procedures.

If
in any doubt get help
f
rom a car audio installation expert or FLI dealer.
Amplifier Will Not Power Up. Power On Indicator Not Illuminated

Check for good ground connections. Ensure its connected directly to bare metal and not a
p
a
i
n
t
e
d
sur
f
ace.
g
g
 Usin
g
a multimeter check that the remote terminal has at least 10V DC
.

Using a multimeter check that the battery voltage on the positive terminal is at least 12V DC..
Check all fuses.
g
g
F
u
s
e
Bl
ow
n

C
heck both positive suppl
y
and
g
round
f
or shorts
.

C
heck that the
p
ositive wire is connected to the
p
ositive terminal on the am
p
lifier.

C
heck that the ne
g
ative wire is connected to the
g
round terminal on the amplifier.

F
L250 - Ensure that the a 20 am
p
fuse is fitted

F
L500 - Ensure that the a 25 am
p
fuse is fitted
7