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Speaker system 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 sense of direction of the stereo being impaired.
• When making connections, take care that none of the individual conductors
of the speaker cord come in contact with adjacent terminals, with other
speaker cord conductors, or with the rear panel.
Speaker Impedance
• Speakers with an impedance of from 6 to 16 Ω/ohms can be connected for
use as front and center speakers.
• Speakers with an impedance of 6 to 16 Ω/ohms can be connected for use
as surround speakers.
• The protector circuit may be activated if the set is played for long periods of
time at high volumes when speakers with an impedance lower than the
specified impedance are connected.
NOTE:
NEVER touch the speaker terminals when the power is on.
Doing so could result in electric shocks.
Connecting the speaker cords
1. Loosen by turning
counterclockwise.
2. Insert the cord. 3. Tighten by turning
clockwise.
Either tightly twist or terminate the core wires.
Connecting banana plugs
Turn clockwise to tighten, then insert the
banana plug.
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 LED 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 set is played 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 lower than 4 Ω/ohms)
are connected. If the protector circuit is activated, the speaker output is cut off. Turn off the set’s power, wait for the set
to cool down, improve the ventilation around the set, then turn the power back on.
Cooling fan
• The AVR-5800 is equipped with a cooling fan to prevent the temperature inside the set from rising. The fan is activated
under certain usage conditions. It is temperature and volume level sensitive, to minimize or prevent audible fan noise.