Focal CHORUS 700 V series User manual

English page 5
Fran~ais page 14
CHORUS® 700 serie
User manual I Manuel d'utilisation

CHORUS 700® SERlE
User
manual/Manuel
d·installation
u
•
Nous
vous
remercions
d'avoir
choisi
les
enceintes
Focal
et de
partager
avec
nous
notre
philosophie
"the
Spirit
of
Sound".
Ces
enceintes
de
haute
technicite
1ntegrent
les
ultimes
perfectionnements
Focal
en
matiere
de
conception
de
haut-
parleurs
pour
la
haute
fidelite
et le
home
cinema.
Afin
d'exploiter
toutes
leurs
performances,
nous
vous
conseillons
de
lire
les
instructions
de ce
livret
puis
dele
conserver
avec
precaution
pour
vous
y
referer
ulterieurement.
CD
Thank
you
for
choosing
Focal
loudspeakers.
We
are
pleased
to
share
with
you
our
philosophy
:
"the
Spirit
of
Sound".
These
high-performance
speakers
feature
the
latest
technical
developments
from
Focal
in
terms
of
speaker
design,
whether
it is
for
high
fidelity
or
home
theater
systems
. In
order
to
enjoy
the
maximum
of
their
performance,
we
advise
you to read
this
user's
manual
and
to
keep it
carefully
so
that
you can
consult
it
later.
Gracias
por
elegir
sistemas
de
altavoces
de Focal.
Nos
complace
compartir
con
usted
nuestra
filosoffa:
"The
Spirit
of
Sound".
Estos
sistemas
de
altavoces
de
altas
prestaciones
de
Focal
se
caracterizan
por
estar
dotatos
de
los
ultimos
avances
technol6gicos
de
Focal
en
terminos
de
diseno,
tanto
para
sistemas
de
alta
fidelidad
como
de
Home
Cinema
.
Con
el
objetivo
de
que
disfrute
al
maximo
de
las
prestaciones
de
los
equipos
le
recomendamos
lea
este
manual
detenodamente
y
conserve
el
mismo
para
futuras
consultas.
La
garantia
Focal
solo
se
aplicara
si la
tarjeta
incluida
en
el
embalaje
es
devuelta
a
nosotros
en
el
plaza
de
diez
dlas
tras
su
compra
.
•
Grazie
per
aver
scelto
i
diffusori
acustici
Focal.
Siamo
felici
di
condividere
con voi la
nostra
filosofia
:
"The
Spirit
of
Sound".
Ouestidiffusori
ad
alte
prestazioni
adottano
gli
ultim
sviluppi
tecnici
Focal1n
termini
di
design,
sia
per
sistemi
hi-fi,
sia
per
home
theater.
Per
godere
il
massimo
delle
loro
prestazioni,
vi
inv1tiamo a
leggere
questa
manuale
e
conservarlo
per
future
consultazioni.
La
garanzia
Focal-JMlab
e val1da
solo
se il
ce
rtificato
viene
rispedito
entro
10
giorni
dall'acquistio.
Vielen
Dank,
dass
S1e
sich
~
=
ur
Fo
ca
llautsprecher
entschieden
haben.
Gerne
teilen
wir
mit
Ihnen
unsere
Philosoph1e:
"The
Spirit
of
Sound.
Was
das
design von
HiF1
Und
Heimkinosystemen
anbelangt,
bieten
diese
Hochleistungslautsprecher
den
neuesten
technischen
Stand
von Focal.
Um
d1ese
lautsprecher
voll
nutzen
und
ihre
Maximalleistung
genier3en zu
ki:innen,
sollten
Sie
das
Benutzerhandbuch
sorgfaltig
lesen
und
fur
die
spatere
Einsichtnahme
gut
aufbewarhen
.
D1e
Focal-JMlab
Garantie
findet
nur
An
wendu
ng,
wenn
die
beigefugte
Garantiekarte
innerhalb
von
10
Tagen
nach
Kauf
bei
uns
eingeht.
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User
manual/Manuel
d·installation
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CHORUS® 700 SERlE
User manual
.• ,.
Running-in period
The drivers used in the Chorus loudspeaker are complex mechanical devices and require an run-in period before
they deliver their best performance. They must get adapted to the temperature and humidity conditions of their
environment. This breaking-in period depends on the encountered conditions and can last several weeks. In order to
shorten this period, we advise you to let your loudspeakers operate for about twenty hours.
Once the components of the loudspeakers are completely stabilized, it is possible to enjoy the real performance of
your Chorus loudspeakers.
Included inside:
• 1 x loudspeaker
• 1 x user manual
• 4 x decoupling spikes [714/716/726]
• 4 x
lock nut [714/716/726]
• 4 x
protective cap [714/716/726]
Specifications
The Focal-JMlab guarantee only applies if the enclosed guarantee card
is returned to us within 10 days of purchase.
The aluminum/magnesium alloy TNV inverted dome tweeter®: the tweeter of the Chorus benefits from the inverted
dome technology, which is exclusive to Focal. It allows optimal energy transfer and wide dispersion. The aluminum
/magnesium alloy making up of the dome guarantees exceptional performances in terms of stiffness and damping
thus ensuring a subtle blend of softness and dynamics.
Polyglass® cone woofer and midbass: impregnated paper cones with a fine layer of silica micro-balls for a fully
dynamic bass impact, precise and distortion-free.
OPC® (optimum phase crossover): phase optimization for a precise, natural and stable soundstage and image.
Braced precision MDF cabinets, non parallel inner wall structure:
rigid cabinets without any internal resonance for lower coloration.
Highly efficient acoustic wadding: excellent internal damping, deeper and tighter bass.
Highly reliable input sockets.
Decoupling spikes.
Due to constant technological advances, Focal reserves its right to modify specifications without notice.lmages maynot conform exactlyto specific product..

0
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1
+3
dB
Zone
2
OdB
Zone
3
Zone
2
~Zo~n~e~3---------
~

CHORUS® 700 SERlE
User manual
•
Connections
The Chorus input sockets ensure reliable multipurpose connections for stripped cables as well as for plugs. The
"banana" terminals are obstructed in order to comply with electrical standards currently in force in several countries.
Make sure not to remove the plastic safety lids.
It is
imperative to respect the connector polarity of both the loudspeaker and amplifier. The positive terminal
.. + .. must be connected to the corresponding [matching] amplifier's terminal and the negative terminal .. - .. to the
negative terminal {fig. A). Stereo image, soundstaging and bass perception would be seriously compromised if these
conditions were not respected.
Positioning
The Chorus loudspeakers have been engineered to deliver the most faithful sound reproduction, whether they are
used
for music or home cinema. In order to enhance their performance, to guarantee a high quality of listening,
sound image and tone balance, it is important to note the following basic rules.
The listening area must be located at the summit of an equilateral triangle whose two other points of insertion are
determined by the position of each speaker. Nevertheless it is possible to modify these distances to find an ideal
compromise according to the particular disposition of the room {fig. B).
Each loudspeaker must be placed at the same height and on the same floor plan. The tweeter should be at the same
height as the listener's ear, when the listener is in their usual listening area {fig. C).
Avoid placing the loudspeakers too close to the room's corners or walls. This will induce some unwanted room
resonance and artificially increase bass response. On the contrary, if the bass level proves to be insufficient, it is
possible to move the speakers closer to the walls to adjust the bass level {fig. D).
Optimization
To please the perfectionists, we shall give an optimum positioning formula : if A is the distance from the boomer
centre to the closest wall [floor or wall], 8 the intermediate distance and C the longest distance (A<B<Cl. the relation
82 =AC determines the ideal position of the speakers.
• Example 1:
If the boomer centre is 50cm [20"] away from the rear wall {A) and 60cm [24"] above the floor {B), then the side wall
will be ideally 72cm [28"] (C=B
2/A=72cm)
{fig. E).
User instructions
The sound performance of the Chorus loudspeaker depends strongly upon the listening room's acoustics, the place
of
the loudspeakers and the listening area. These factors can be modified in order to correct or enhance a desired
effect.
Should the soundstage be imprecise or not centred, try to move the loudspeakers closer to each other.
Harsh or aggressive sound means that your listening room is probably too reflective. Try to use any absorbing
materials [such as carpet, sofa, wall coverings, curtains ... ] combined with reflective materials to absorb or diffuse
resonances.
Should the sound be "flat" or muffled, there are too many absorbing materials in the listening room. The sound
appears to be closed-in, with a narrow stereophonic image. Try to find a better compromise between absorbing and
reflective materials within your listening room.
Generally the wall to the rear of the speakers should be made up of reflective materials so that the sound image
exhibits satisfying volume and width. On the contrary the wall on the rear of the listener should be absorbing in order
to avoid reflections damaging the perception of the stereo soundstage. These reflections may limit the impression
of depth of the sound image. Furniture, such as bookshelves should be ideally placed along the side walls in order
to diffuse sound waves and to prevent some frequencies from being amplified, especially in vocal range [it removes
"flutter echo"].

CHORUS®
700 SERlE
User
manual
•
Choice
of
speakers
The
Chorus
loudspeakers
have been
engineered
to
work
with
stereo
systems
as
well
as
with
home
theater
systems
.
If you
already
own a
pair
of
stereo
Chorus
loudspeakers
and
wish
to
purchase
a
complete
home
theater
system, it is
of
the
utmost
importance
that
you use the
central
and
effect
loudspeakers
of
the
same
product
line:
Chorus.
It is
the
sole
possible
condition
to
bring
to
your
system a
perfect
tonal
homogeneity
and a
realistic
and
coherent
reproduction
of
tri-dimensional
effects
within
the
listening
room.
Central channel placement
Central
channel
speaker
should
be
placed close to
the
TV-screen
to obtain a
proper
placement
and a
realistic
repro-
duction
of
the
dialog. It could
be
placed
below
the
TV-screen
(fig.
F).
If a
standard
projection
screen
is used,
the
central
channel
speaker
must
be
placed
under
the
screen.
If an
acoustically
transparent
projection
screen is used,
the
central
channel
speaker
can
be
placed behind and at the
bottom
of
the
screen
(fig.
G).
Effect channel speakers·s place
The
soundtrack
mix
for
a
film
or
music
encoded in
multichannel
format
is very
complex
and
allows
the
listener
to
benefit
from
a
wide
range
of
special
sound effects,
which
require
the use of
effect
channel
speakers.
In
order
to
obtain a
realistic
30
soundstage,
the
placement
of
the
speakers
is decisive, even
when
confronted
with
a
restrictive
disposition
of
the
listening
room
.
For
enhanced
performances,
the
following
elements
should
be
noted.
Avoid
placing the effect speakers
too
far from the
Listening
area
otherwise
the
sound
perception
will
be
altered.
In
order
to
obtain
surround
effects,
with
great
sound
density
we advise you to place
the
speakers
against
the
sidewalls
on each side of
the
listening
room
(fig.
K,
L).

CHORUS®
700 SERlE
User
manual
•
Satellites positioning
-Use
the
positioning
tool
below
-
Go
at
your
listening
spot
-Aim
at
your
screen
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