ONKYO TX-NR905 Manuale Utente
30
Connecting Your Speakers
—Continued
The ZONE 2 L/R and SURR BACK L/R terminal posts
can be used with front speakers and surround back
speakers respectively, or bridged together to provide
almost double the output power for the front speakers.
can be used with front speakers and surround back
speakers respectively, or bridged together to provide
almost double the output power for the front speakers.
• When bridging is used, the AV receiver is able to drive
2 speakers in the main room (2.1 speakers if you’re
using a powered subwoofer).
using a powered subwoofer).
• For bridging, the positive (+) ZONE 2 L/R and SURR
BACK L/R terminal posts are used, but the negative
(–) ZONE 2 L/R and SURR BACK L/R terminals are
not.
(–) ZONE 2 L/R and SURR BACK L/R terminals are
not.
• Once you’ve completed the bridging connections
shown below and turned on the AV receiver, you must
set the Speaker Type Front B setting to BTL to enable
bridging (see page 51).
set the Speaker Type Front B setting to BTL to enable
bridging (see page 51).
• When front Speakers B are bridged, front Speakers A
must be wired normally.
Notes:
• Use only front speakers with an impedance of 8
• Use only front speakers with an impedance of 8
ohms or higher for bridging. Failure to do so may
seriously damage the AV receiver.
seriously damage the AV receiver.
• When using bridging, make sure that your front speak-
ers can handle the additional power.
Bridged Speaker Hookup
Bridging Front Speakers B
1
Connect the AV receiver’s ZONE 2 R positive (+)
terminal to the right speaker’s positive (+) ter-
minal. And connect the AV receiver’s SURR
BACK R positive (+) terminal to the right
speaker’s negative terminal.
terminal to the right speaker’s positive (+) ter-
minal. And connect the AV receiver’s SURR
BACK R positive (+) terminal to the right
speaker’s negative terminal.
2
Connect the AV receiver’s ZONE 2 L positive (+)
terminal to the left speaker’s positive (+) terminal.
And connect the AV receiver’s SURR BACK L
positive (+) terminal to the left speaker’s negative
terminal.
terminal to the left speaker’s positive (+) terminal.
And connect the AV receiver’s SURR BACK L
positive (+) terminal to the left speaker’s negative
terminal.
FRONT L
(BTL)
FRONT R
(BTL)
V
S
MONITOR
OUT
ZONE 2
OUT
RS232
DIGITAL
COAXIAL
OPTICAL
REMOTE
CONTROL
CONTROL
IN 1
IN 1
IN 2
IN
IN
IN
IN
PHONO
ZONE2 L
FRONT R
FRONT L
SURR R
CENTER
SURR L
SURR BACK R
CD
TAPE
AUX 1
GAME/TV
GAME/TV CBL/SAT
CBL/SAT
AUX 1
VCR/DVR
VCR/DVR
DVD
DVD
IR
12V TRIGGER
OUT ZONE 2
OUT ZONE 2
IN
GND
IN 2
IN 3
L
L
V
S
R
R
ASSIGNABLE
(DVD)
(CBL/SAT)
(VCR/DVR)
(GAME/TV)
(CD)
OUT
COMPONENT VIDEO
ASSIGNABLE
IN 3
Y
CB/PB
CR/PR
IN 2
IN 1(DVD) MONITOR
OUT
OUT
IN
IN
OUT
IN
IN
FRONT
FRONT
CENTER
SUBWOOFER
SUBWOOFER
CENTER
SURR
SURR
ZONE 2
ZONE 3
MULTI CH
PRE OUT
PRE OUT
SURR BACK
SURR BACK
OUT
L
R
AC INLET
Bi-AMP
SURR BACK L
Bi-AMP
ETHERNET
HDMI
IN 1
IN 2
IN 3
IN 4
ASSIGNABLE
OUT
MAIN
OUT
SUB
ASSIGNABLE
ZONE2 R
ASSIGNABLE
AM
ANTENNA
FM75
ZONE2 L
ASSIGNABLE
ZONE2 R
ASSIGNABLE
SURR BACK R
Bi-AMP
SURR BACK L
Bi-AMP
Right speaker
Left speaker
TX-NR905_En.book Page 30 Wednesday, January 23, 2008 1:36 PM