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5
Easy Setup and OperationEasy Setup and Operation
Speaker connections
• Connect the speaker terminals with the
speakers making sure that like polarities are
matched (
<
with
<
,
>
with
>
). Mismatching
of polarities will result in weak central sound,
unclear orientation of the various instruments,
and the stereo image being impaired.
• When making connections, take care that
none of the individual conductors of the
speaker cable come in contact with adjacent
terminals, with other speaker cable
conductors, or with the rear panel.
2 Speaker impedance
• When speaker systems A and B are used
separately, speakers with an impedance of 6
to 16 Ω/ohms can be connected for use as
front speakers.
• Be careful when using two pairs of front
speakers (A + B) at the same time, since
speakers with an impedance of 12 to 16
Ω/ohms in this case must be used.
• Speakers with an impedance of 6 to 16
Ω/ohms can be connected for use as center
and surround and surround back speakers.
•The protector circuit may be activated if the
unit is operated for long periods of time at
high volumes when speakers with an
impedance lower than the specified
impedance are connected.
Connecting the speaker cables
1. Loosen by turning
counterclockwise.
2. Insert the cable.
3. Tighten by turning
clockwise.
Protector circuit
This unit is equipped with a high-speed
protection circuit. The purpose of this circuit
is to protect the speakers under
circumstances such as when the output of
the power amplifier is inadvertently short-
circuited and a large current flows, when the
temperature surrounding the unit becomes
unusually high, or when the unit is used at
high output over a long period which results
in an extreme temperature rise.
When the protection circuit is activated, the
speaker output is cut off and the power
supply indicator flashes. Should this occur,
please follow these steps: be sure to switch
off the power of this unit, check whether
there are any faults with the wiring of the
speaker cables or input cables, and wait for
the unit to cool down if it is very hot.
Improve the ventilation condition around the
unit and switch the power back on.
If the protection circuit is activated again
even though there are no problems with the
wiring or the ventilation around the unit,
switch off the power and contact a DENON
service center.
Note on speaker impedance
The protector circuit may be activated if the
unit is operated for long periods of time at
high volumes when speakers with an
impedance lower than the specified
impedance (for example speakers with an
impedance of less than 4 Ω/ohms) are
connected. If the protector circuit is
activated, the speaker output is cut off. Turn
off the unit’s power, wait for the unit to cool
down, improve the ventilation around the
unit, then turn the power back on.
Speaker system layout
2 Basic system layout
The following is an example of the basic layout for a system consisting of eight speaker systems
and a television monitor:
Subwoofer Center speaker system
Surround speaker systems
Surround back speaker systems
Front speaker systems
Set these at the sides of the TV
or screen with their front
surfaces as flush with the front
of the screen as possible.
NOTE:
NEVER touch the speaker terminals
when the power is on. Doing so could
result in electric shocks.