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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 cables 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 using 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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