Step 1: Connections; Connecting Speakers; Speaker Layout; Height Speaker Types - Onkyo TX-NR646 Basic Manual

Step 1: Connections
1

Connecting speakers

Speaker layout

F
9
"
$
'
%
Important: The power cord must be connected only after all other connections are
completed.
" # Front speakers
Center speaker
$
% & Surround speakers
Subwoofer
'
7 8 Back speakers
9 F Height speakers (Front High)
G H Height speakers (Rear High)
● 5.1 ch: "#$%&'
● 7.1 ch: "#$%&'+78 or
"#$%&'+9F or
"#$%&'+GH
78 speakers, 9F speakers and
GH speakers share the same speaker
terminals. Select either of the groups.
#
&
H
G
8
7
● To enjoy the Dolby Atmos listening
mode, height speakers or back
speakers need to be installed. There
are a variety of height speakers apart
from this type. see the next section
for details.
● To use the multi-zone function, see
"Multi-zone" in "Step 3: Playing
Back".
Characteristics of speaker types
"# output front stereo sound and $
output center sound such as dialogs and
vocals. %& create back sound field. '
reproduces bass sounds and creates rich
sound field.
Connecting 78 speakers, 9F speakers
or GH speakers enables playback in 7.1
ch configuration. 78 (back) speakers
improve sense of envelopment created by
back sound field as well as seamlessness
of back sounds, providing more natural
sound experiences in the sound field.
9F or GH (height) speakers produce
surround effects on a height plane. This
unit can perform optimal sound field
processing for the type of height speakers
actually installed and registered in "Initial
Setup".

Height speaker types

Installing speakers in ceiling
e f
c d
a b
a b Top Front
c d Top Middle
e f Top Rear
Ceiling speakers, etc. are used for
maximizing effects in Dolby Atmos or
Dolby Surround listening mode. Install Top
Front speakers so that they are positioned
at a point between directly above the
listening position and directly above the
front speakers. Install Top Middle speakers
so they are directly above the listening
position. Install Top Rear speakers so
they are positioned at a point between
directly above the listening position and
directly above the back speakers. You can
select (a)(b), (c)(d) or (e)(f) on the
unit. For connection with the unit, use the
SPEAKERS BACK or HEIGHT terminals.
● Dolby Laboratories recommends
placing the speakers as described in
"Installing speakers in ceiling" to obtain
the best Dolby Atmos effect.
Using Dolby Enabled Speakers
g h
i
g h Dolby Enabled Speakers (Front)
i j Dolby Enabled Speakers (Surround)
A Dolby Enabled Speaker is specially
designed to be used as a height speaker.
There are two types of Dolby Enabled
Speakers; one type is designed to be
placed on top of other speakers such as
front speakers and surround speakers,
j
En-5