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Focal Solid - Audio System Setup; Tuning and Calibration

Focal Solid
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SOLID
AMPLIFIER
User
manual
.
~
__'I1J
2.7)
Connect
the
ground
supply
wire
to the
battery
Make
sure
once
more
that
all
the
previous
steps
of
the
installation
have
been
respected.
Check
the
state
of
connection
of
the
different
wires
on
the
amplifier,
the
fuse-box
as well as the battery. If
all
is
correctly
plugged-in,
end
the
installation
by
connecting
the
ground
supply
wire
to
the
vehicle
battery.
3)
Setting
of
your
audio
system
3.1)
GAIN
setting
(from
the
amplifier
potentiometer
or
via
the
remote
control)
.&.
Increasing
the
input
GAIN
value
doesn't
mean
more
power,
but
rather
more
noise. The
GAIN
setting
is
not
a
power
setting.
The
SOLID
amplifiers
are
provided
with
an
adjustable
GAIN.
This
potentiometer
permits
to
make
the
signal
input
tension
vary
between
200mV
and
5V
in
order
to
make
the
amplifier
input
tension
correspond
to
the source
output
tension. It
is
often
better
to
rise the
output
level
of
the
source
to
its
"maximum".
It
means
that
you
have
to
find
the
maximum
output
level
of
the
head
unit
before
any
audible
distortion
appears.
Once
it
is
done,
it
is
also
better
to
maintain
the
GAIN
level
of
the
amplifier
to
the lowest possible value. It
will
have
the
effect
to
optimize
the
sound
quality
through
a
better
signal/noise
ratio.
How
to
set
the
input
GAIN
of
the
amplifier?
3.1.1)
Lower
completely
the
input
GAIN
of
the
amplifier
as well as the
BASS
BOOST
(only
available
with the Solid 1
amplifier).
3.1.2)
Adjust
the
sound
level
of
the
head
unit
to
its
maximum
value
(value until
which
no
distortion
is
audible).
3.1.3)
Rise
the
GAIN
level
of
the
amplifier
until
you
hear
a
distortion,
then
slightly
lower
the
GAIN
level
until
the
total
disappearance
of
this
distortion.
3.2)
High-pass
and
low-pass
filter
setting
3.2.1)
High-pass
filter
(HPF) setting
12dB/oct.
The
high-pass
filter
permits
to
determine
the
frequency
from
which
the
signal
will
be
amplified
and
then
conveyed
to
the
speakers. This
setting
permits:
•
to
avoid
the
dissipation
of
the
amplification
power
on
frequencies
that
are
not
retranscribed
by
the
speakers (see
"speaker
specifications"
to
know
the
lowest
frequency
that
is
retranscribed
by
the
speaker
kit).
•
to
optimize
the
speaker/subwoofer
(or bass enclosure)
coupling
while
avoiding
the speakers
and
the
subwoofer
to
retranscribe
an
identical
frequency
range.
Put
the
cursor
on
the
"HPF"
position
then
choose
the
suitable
value.
3.2.2)
Low-pass
filter
setting
(LPF)
12dB/oct.
The
low-pass
filter
permits
to
determine
the
frequency
until
which
the
signal
is
amplified
and
then
conveyed
to
the
subwoofer. This setting
permits:
•
to
avoid
the
dissipation
of
the
amplification
power
on
frequencies
that
are
not
retranscribed
by
the subwoofer.
•
to
optimize
the
subwoofer/speaker
coupling
by
avoiding
the
subwoofer
and
the
speakers
to
retranscribe
an
identical
frequency
range.
Put the
cursor
on
the "LPF"
position
then
choose
the
suitable
value.
It is
recommended
to
choose
an
identical
cut-off
frequency
(high-pass
and
low-pass)
in
order
to ensure a
perfect
speaker/subwoofer
coupling.
3.2.3)
PHASE setting
(only
available
with
Solid 1
amplifier)
This setting
permits
to
put
the
subwoofer
in
phase
with
the
rest
of
the
installation
(speakers). The cursor
has
2 positions:
0°
and
180°.
In
order
to
make
sure
of
the
good
phase
setting
of
the
subwoofer
with the rest
of
the
installation,
you
just
have
to
sit
down
on
the
driver's
seat
and
to
make
the
cursor
position
vary
between
the
two
values. The
good
value
will
be
the
one
with
which
you
will
notice
a rise
of
the
bass
level in
the
vehicle.
3.2.4)
SUBSONIC
filter
setting
(only
available
with
the
Solid 1
amplifier).
The
SUBSONIC
filter
(35Hz
-
24dB/oct)
permits
to
determine
the
frequency
from
which
the
signal
is
amplified
and
then
conveyed
to
the
subwoofer.
It
avoids
the
dissipation
of
the
amplification
power
on
frequency
ranges
that
are
not
retranscribed
by
the
subwoofer,
but
it also
protects
the
subwoofer
from
the
potentially
dangerous
frequencies.
It
is
highly
recommended
to
activate
the
SUBSONIC
filter.
3.2.5)
BASS
BOOST
setting
(only
available
with
the Solid 1
amplifier)
This setting
permits
to
rise the bass level. The
BASS
BOOST
central
frequency
is
steady (60Hz). This setting
permits
to
personalize
the
amplification
according
to
your
listening
typology
and
your
musical
tastes.
.&.
To
have
a
high
BASS
BOOST
level
doesn't
mean
that
the
sound
quality
is better.

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