Kenwood KL-7070X User Manual
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The
rnulti-channel
amplifier is
an epoch-making sound
reproduction system. An electronic
crossover re-
places
the conventional
LC network.
Three separate
main
amplifiers
are used
for
each stereo side, left
and
right, instead
of a single amplifier in
the conventional full-range system. ln short,
six
main
amps
instead
of
two are employed
in
a multi-channel amrlifier system
to
produce
the
ultimate in clear,
truly
distortion-free
stereo sound.
Kenwood
now
offers a Full-Range-Multi-channel
Speaker
system in three
models,
the KL-7080,
5080 and
4080. They
are all compatible
with
any conventional
stereo
system, as well
as the
latest
multi-channel
amplifier
system.
What's more,
they're
capable
of
reproducing
spectacular sound. These
are speaker
systems
that
defy obsolescence,
and which
you'll treasure
for many
years
to
come
because of
thei!.
high
excellence
and
performance.
E LECTRONIC
CROSSOVER
NETWORK
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Produet
of
TRIC
ILICTRONICS, thlc.,
Tokyc,
Japan
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Nil[l
SILTCTOT
SWITSH
,1"
SEPARATE
input
terminals
These
six input
terminals
are used
for
making
eonnections
to
the three
main
amplifier
outputs
of either
the left or right side of a
multi-channel
amplifier system" tsy
connecting
another
identicel
speaker
system
to
the nnain amplifiers
of
the
othe!"
s ide,
m u lti-ch
a
n nel
stereo
sou nd ca
n
be en
joyed
.
LOlV-Connect
the
output of
the
Low-range amp-
lifier
to
these
two
terrninale.
lvllD-Con
nect
the output of the
M
id
-ra
nge
a
rn
p"
Nifier
to
these two
terminals.
HIcH-Connect
the
output of
the
High-range
arnp-
lifier
to
these two terrninals.
low-range
amplif
iers
a
nd
their respectivs
speaker terminals.
As for
the
mid-range
ampli'
fier
and
its speaker
terminals,
reverse
the
polarity
by
connectrng
plus
to
minus
anei
minus
to
plus.
This, it
must
be emphasized,
applies
only
under
ideal
room
acoustic con-
ditions.
Otherwise
normal
polarity
conneetions
may
produee
better
results.
To
test
your
own
accustic
conditions,
exBeriment
by
observing
proper
polarity
eonneetions
for
all
three ampli-
fiers,
and
settle
on
the
mid-!"ange
connsftlon
which
nesults
in
the
best sound.
2"
SELECTOR switch
Th is
is
a
4-
point
swite
h
wh
ich
con
neets
th*se
speakers
to
the
multichannei
amplifier
systern wheqr
set
at SEPARATE
position,
or
to
a ecnventionai.
full-range
amplifier
or
receiver
at
CLEAR, NORilVIAt
and
SOFT
positions.
in
the
latter
three
pcsitions,
the
amplifier
output
is
fed
to
a
built-in,3-way,
LC
crossover
network,
a nd sou
nd
ca n be
adjusted
to suit
your
preference
as
follows:
At
CLEAR
position-slight
emphasis
of
highs.
At
NORMAL
position-ideal,
flat, hi=fi
response.
At SOFT
position-slight
attenuation
af
mfrd-renge
and
highs.
It
is im
porta
nt
to
sbserve the
f
ollowing when
making
conections
ts
the
three
rnain
amplifiers.
A" For
systerns with
a crossover slope of
SrtBrt.
OCT
or
LSdBlOCT,
b€
sure
to observe
polari-
ty in connecting
all three arnplifiers
to their
nespective
speakeltermrnals.
Csnnect
plus
to
plus
and n'r inus
ta
nrinus in sue
h
a case"
B. lf
the crosscver
slope
is
l2d.BrrOCT,
best
sound
is
obtained'vrrhen
plus
iis
connectec$
to
plus
and
minus
to
minus for
the
high
anC
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