Denon AVR-2500 Operating Instructions - Page 6

Speaker, System, Connections, Connecting, antenna, terminals

Page 6 highlights

2-2 Speaker System Connections • This receiver can accommodate connections of a total of eight speakers including two set of (front) main amplifier speakers (A and B), one set of rear speakers, and one or two center speakers. e e). • Connect the speaker terminals with the speakers making sure that like polarities are matched (Cs with 0 , 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 indi- vidual conductors of the speaker cord come in contact with adjacent terminals, with other speaker cord conductors, or with the rear panel. • Speaker Impedance • • When speaker systems A and B are use separately, speakers with an impedance of from 6 to 16 4 /ohms can be connected. • Be careful when using two pairs of main speakers (A + 8) at the same time, since use of speakers with an impedance outside the.range of 12 to 16 /ohms will lead to damage. • Speakers with an impedance of 6 to 12 0/ohms can be connected for use as center and rear speakers. • The protection circuit may operate or damage may occur when speakers with an impednce outside of the above range are used. Connecting the speaker terminals 1. Losen by turning counterclockwise. 2. Insert the cord. I I 3. Tighten by turning clockwise Connecting banana plugs 1. Press the lever. 2. Insert the cord. • I=> 3. Release the lever. 2-3 Connecting the antenna terminals FM Indoor antenna (An Accessory) 75 4 /ohms coaxial cable ANTENNA TERMINALS IN COAX ntt LOOP COO - AM CENTER SPEAKER PRf OUL, 0 0 IMPEDANCl/Ave 6.40 A.8 It-t6lj~ AM LOOP ANTENNA tan Accessory) AM OUTDOOR ANTENNA "Ilr " GROUND 1. Push the lever. Connection of AM antennas 2. Insert the conductor. 3. Return the lever. 6 Banana Plug Turn clockwise to tighten, then insert the banana plug. ANTENNA INSTALLATION • FM ANTENNA The supplied FM antenna can be used inside wooden houses for receiving local FM stations and other strong FM signals. Stretch out the ends of the antenna and mount the antenna on the wall or ceiling where optimum reception is achieved. A indoor FM antennas may not consistently ensure stable reception, due to environment changes. In such cases, the indoor FM antenna should only be used temporarily until an outdoor FM antenna has been installed. When connecting an outdoor FM antenna, the use of 75 ohm coaxial cable (3C-2V, 5C-2V) is strongly recommended. • AM ANTENNA Attach the supplied AM loop antenna even when using an outdoor AM antenna. Connect the leads to the AM and GND terminals. Also use the AM terminals for connecting an outdoor AM antenna (when.making such a connection do not disconnect the AM loop antenna.) Adjust the loop antenna to obtain optimum reception, Where broadcast stations are distant and only weak signals are received, or where signals are blocked, it is best to install an outdoor AM antenna. NOTES • This receiver has a full back-up system. When the power is turned on, the INPUT SELECTOR buttons are set to the last mode set before the power was turned off. • When using this receiver in close proximity to video equipment (TV, VCR, VDP, etc.), noise may be generated in AM broadcasts. To avoid this, keep the receiver as far away from other video components as possible, or detach the AM loop antenna from the antenna holder and place it where noise is reduced. If the noise is not reduced, turn off the power of the video components when listening to AM broadcasts. Note to CATV system installer: This reminder is provided to call the CATV system installer's attention to Article 820.40 of the NEC which provides guidelines for proper grounding and, in particular, specifies that the cable ground shall be connected to the grounding system of the building, as close.to the point of cable entry as practical.

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2-2
Speaker
System
Connections
This
receiver
can
accommodate
connections
of
a
total
of
eight
speakers
including
two
set
of
(front)
main
amplifier
speakers
(A
and
B),
one
set
of
rear
speakers,
and
one
or
two
center
speakers.
Connect
the
speaker
terminals
with
the
speakers
making
sure
that
like
polarities
are
matched
(Cs
with
0 ,
e
with
e).
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
indi-
vidual
conductors
of
the
speaker
cord
come
in
contact
with
adjacent
terminals,
with
other
speaker
cord
conductors,
or
with
the
rear
panel.
Speaker
Impedance
When
speaker
systems
A
and
B
are
use
separately,
speakers
with
an
impedance
of
from
6
to
16
4
/ohms
can
be
connected.
Be
careful
when
using
two
pairs
of
main
speakers
(A
+
8)
at
the
same
time,
since
use
of
speakers
with
an
impedance
outside
the.range
of
12
to
16
/ohms
will
lead
to
damage.
Speakers
with
an
impedance
of
6
to
12
0/ohms
can
be
connected
for
use
as
center
and
rear
speakers.
The
protection
circuit
may
operate
or
damage
may
occur
when
speakers
with
an
impednce
outside
of
the
above
range
are
used.
Connecting
the
speaker
terminals
1.
Losen
by
turning
2.
Insert
the
cord.
3.
Tighten
by
turning
counterclockwise.
I
I
clockwise
1.
Press
the
lever.
2.
Insert
the
cord.
I
=>
3.
Release
the
lever.
Connecting
banana
plugs
Banana
Plug
Turn
clockwise
to
tighten,
then
insert
the
banana
plug.
2-3
Connecting
the
antenna
terminals
75
4
/ohms
coaxial
cable
FM
Indoor
antenna
(An
Accessory)
ANTENNA
TERMINALS
IN
COAX
ntt
COO
LOOP
-
AM
PRf
OUL,
CENTER
SPEAKER
0
0
IMPEDANCl/Ave
6.40
A.8
It-t6lj~
AM
LOOP
ANTENNA
tan
Accessory)
AM
OUTDOOR
ANTENNA
"Ilr
"
GROUND
Connection
of
AM
antennas
1.
Push
the
lever.
2.
Insert
the
conductor.
3.
Return
the
lever.
ANTENNA
INSTALLATION
FM
ANTENNA
The
supplied
FM
antenna
can
be
used
inside
wooden
houses
for
receiving
local
FM
stations
and
other
strong
FM
signals.
Stretch
out
the
ends
of
the
antenna
and
mount
the
antenna
on
the
wall
or
ceiling
where
optimum
reception
is
achieved.
A
indoor
FM
antennas
may
not
consistently
ensure
stable
recep-
tion,
due
to
environment
changes.
In
such
cases,
the
indoor
FM
antenna
should
only
be
used
temporarily
until
an
outdoor
FM
antenna
has
been
installed.
When
connecting
an
outdoor
FM
antenna,
the
use
of
75
ohm
coaxial
cable
(3C
-2V,
5C
-2V)
is
strongly
recommended.
AM
ANTENNA
Attach
the
supplied
AM
loop
antenna
even
when
using
an
outdoor
AM
antenna.
Connect
the
leads
to
the
AM
and
GND
terminals.
Also
use
the
AM
terminals
for
connecting
an
outdoor
AM
antenna
(when.making
such
a
connection
do
not
disconnect
the
AM
loop
antenna.)
Adjust
the
loop
antenna
to
obtain
optimum
recep-
tion,
Where
broadcast
stations
are
distant
and
only
weak
signals
are
received,
or
where
signals
are
blocked,
it
is
best
to
install
an
outdoor
AM
antenna.
NOTES
This
receiver
has
a
full
back-up
system.
When
the
power
is
turned
on,
the
INPUT
SELECTOR
buttons
are
set
to
the
last
mode
set
before
the
power
was
turned
off.
When
using
this
receiver
in
close
proximity
to
video
equipment
(TV,
VCR,
VDP,
etc.),
noise
may
be
generated
in
AM
broadcasts.
To
avoid
this,
keep
the
receiver
as
far
away
from
other
video
components
as
possible,
or
detach
the
AM
loop
antenna
from
the
antenna
holder
and
place
it
where
noise
is
reduced.
If
the
noise
is
not
reduced,
turn
off
the
power
of
the
video
components
when
listening
to
AM
broadcasts.
Note
to
CATV
system
installer:
This
reminder
is
provided
to
call
the
CATV
system
installer's
attention
to
Article
820.40
of
the
NEC
which
provides
guidelines
for
proper
grounding
and,
in
particular,
specifies
that
the
cable
ground
shall
be
connected
to
the
grounding
system
of
the
building,
as
close.to
the
point
of
cable
entry
as
practical.
6