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PREPARATIONS ➤ Connecting speakers En 33
■ Connecting an external power amplifier
When connecting an external power amplifier (pre-main amplifier) to enhance speaker
output, connect the input jacks of the power amplifier to the PRE OUT jacks of the unit.
The same channel signals are output from the PRE OUT jacks as from their
corresponding SPEAKERS terminals.
1 F.PRESENCE jacks (RX-A3020 only)
Output front presence channel audio signals or Zone2 audio signals depending on the “Power
Amp Assign” setting (p.114).
2 R.PRESENCE jacks (RX-A3020 only)
Output rear presence channel audio signals or Zone3 audio signals depending on the “Power
Amp Assign” setting (p.114).
3 FRONT jacks
Output front channel sounds.
4 SURROUND jacks
Output surround channel sounds.
5 SUR. BACK jacks
Output surround back channel sounds. When using only one surround back speaker, connect
the external amplifier to the SINGLE jack (L side).
6 CENTER jack
Outputs center channel sounds.
(Example)
Connecting front speakers via an external power amplifier
About external power amplifiers
We recommend using power amplifiers that meet the following conditions.
•With unbalanced inputs
•With volume control bypass (or without volume control circuit)
•Output power: about 100 W (6 to 8 Ω)
Caution
• To prevent the generation of loud noises or abnormal sounds, make sure the followings before making
connections.
– Remove the power cable of the unit and turn off the external power amplifier before connecting them.
– When using the PRE OUT jacks, do not connect speakers to the corresponding SPEAKERS terminals.
– When using a pre-main amplifier that does not have the volume control bypass, turn up the volume of
the pre-main amplifier enough and fix it. In this case, do not connect other devices (except the unit) to
the pre-main amplifier.
HDMI
/
DVD)
AV 2 AV 3 AV 4 AV 5 AV 6 AV 7
TRIGGER
OUT
1
2
RS-232C
PR
YPB PR
YPB PR
MONITOR OUT/ZONE OUT
IN OUT IN OUT
AV 3
REMOTE
12
COMPONENT VIDEO
C
AV 4
D
AC IN
1
2
MULTI CH INPUT
ZONE OUT/PRE OUT
CENTER
SUBWOOFER
ZONE 2 /
F.PRESENSE
ZONE 3 /
R.PRESENSE
SURROUND SUR. BACK
SPEAKERS
CENTER FRONT
SURROUND BACK
BI–AMP
ZONE 2/ZONE 3/F.PRESENCE/
ZONE 2/ZONE 3/R.PRESENCE
R L
R
R
R
L
L
L
SINGLE
PRE OUT
SUBWOOFER
CENTER
FRONT
SURROUND SUR. BACK
(SINGLE) (FRONT)
(REAR)
EXTRA SP1
EXTRA SP2
12V 0.1A
321 456
The unit (rear)
4 AV 5 AV 6 AV 7
TRIGGER
OUT
1
2
RS-232C
PB PR
M
ONITOR OUT/ZONE OUT
IN OUT IN OUT
REMOTE
12
AC IN
1
2
T
3
/
N
SE
SPEAKERS
CENTER FRONT
BI–AMP
ZONE 2/ZONE 3/F.PRESENCE/
E
2/ZONE 3/R.PRESENCE
R
R
L
L
L
PRE OUT
SUBWOOFER
CENTER
FRONT
SURROUND SUR. BACK
(SINGLE) (FRONT)
(REAR)
EXTRA SP1
EXTRA SP2
12V 0.1A
MAIN IN
PR
SU
R
FRONT
L
R
L
R
The unit (rear)
PRE OUT (FRONT) jacks
Main input jack
Amplifier with
volume control
bypass
(such as A-S2000)
1
Speaker connections
2 3 4 5 6 7 8 9