8
Connecting speakers
Notes
about
speaker cables
•
Use
commercially-available
speaker
cables
to connect the
speakers.
•
Use
the shortest speaker cables possible.
The
longer the
cable,
the
greater the resistance value and the more that damping perfor-
mance
is
reduced. Moreover, length
also
increases
inductance
and
capacitance, degrading the sound quality
of
high frequencies.
•
Use
left and right speaker cables that
have
the
same
length.
& Precautions when connecting speakers
• Connect the power plugs after
all
connections have been made.
• Carefully
read
the manuals
of
the devices that you
are
connect-
ing and follow their instructions when making connections.
• When
the
left and
right
grounds are shared in a sub woofer
with a built-in amplifier, for example,
use
might not be possible
depending on connection conditions.
IU•M•M~•
• This unit supports speakers that have a nominal impedance
of
4 0 - 8
0.
If
speakers
with lower impedance ratings
are
used,
the
protection circuit could operate, causing sound
output
to stop.
In
some
cases,
their
use
could even
cause
damage to this unit or
the
speakers
.
• This unit's
red
terminal
is
positive
(EB)
and its black terminal
is
negative ( 8
).
Generally, the
EB
wire
of
the speaker cable
is
marked to distinguish it from the 8 wire
of
the cable. Connect
the marked wire to the
red
EB
terminal and the unmarked wire
to the black 8 terminal.
• If the exposed end
of
a core wire in a speaker cable contacts
another cable or terminal, a short could occur.
• Never allow speaker cables to
cause
a short.
•
To
prevent hum and noise, avoid bundling the cabl
es
together
with the
AC
power cord or other cables.
How
to
connect speakers
Using bare speaker wires
D Remove about one centimeter
(1
/2'1
of
insula-
tion from the ends
of
the
speaker cables and
twist the core wires well.
EJ
Turn
the
terminal
caps counterclockwise
to
loosen them.
D Insert the wires into the holes in the terminal
posts and turn
the
terminal
caps
clockwise to
securely connect them.
• Connect them
so
that the wire insulation
is
not touching the
terminal.
!J
Confirm
that
the
cables are fastened securely
by gently pulling them.
Using spade connectors
Insert the connectors between the
caps
and
bases
of
the terminals.
Then, tighten the
caps
securely.
..
• When connecting
speakers
with spade connectors, they should
have
inside diameters
of
at least 8 mm.
Using banana plugs
Connection
is
also possible using commercially-available banana
plugs.
First,
connect the banana plugs
to
the speaker cables and
then connect the plugs
to
the terminals.
•
Keep
the
caps
tightened when
in
use.
• Carefully
read
the instructions for the banana plugs that you
are
using.
ATTENTION
Notice about the European model
In
accordance
with
European safety regulations, connecting
banana plugs
to
speaker terminals
is
not allowed on European
models.
The holes into which banana plugs could be inserted
have
been
covered with black
caps.
Connect
speakers
us
ing bare wires or
spade connectors.
If a black cap should become separated from
its
terminal, return it
to
its
original position.
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