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Left & Right Surround Speakers (5.1-Channel System)
Locate the left and right surround speakers on the ceiling between 2 feet and
6 feet behind the listening position.The speakers should be between 6 feet and
10 feet apart. Since the surround speakers are usually called-upon to create
diffuse effects like the sound of wind or rain, they can be located close to walls
without adversely affecting sound quality.
• You can create a more diffuse, spacious surround effect by pivoting the Sonic
Eye and the woofer towards a wall or window,away from the listeners.
Use Illustration 1 as a guide.
Left & Right Surround and Surround Back Speakers (7.1-Channel System)
• Left & Right Surround Speakers: Place the left and right surround speakers
directly to the sides of the listening position,between 6 feet and 10 feet apart.
The speakers can be placed close to the side walls.
• Surround Back Speakers: Place the surround back speakers between
2 feet and 6 feet behind the listening position. The surround back speakers
should be closer together than the left and right surround speakers —
between 3 feet and 6 feet apart. Like the left and right surround speakers,the
surround back speakers can be located close to walls without adversely
affecting sound quality.
• You can create a more diffuse, spacious surround effect by pivoting the Sonic
Eye and the woofer towards a wall or window,away from the listeners.
Use Illustration 2 as a guide.
2-Channel Placement
Follow the directions for Home Theater Placement for the left and right speakers.
WIRE GAUGE
Extra resistance in the speaker wire can make speakers sound less dynamic
and reduce definition of the bass frequencies. In extreme cases, it can even
attenuate high frequencies.Also, amplifier power is wasted in wire with extra
resistance,reducing your system’s maximum output level.
To prevent degrading sound quality, the total wire resistance should be less
than 10% of the speaker’s impedance. This means that for an 8-ohm speaker,
the total resistance of the wire should be less than 0.8 ohms.
Refer to the table at the top of the next column when selecting the proper wire
gauge for your system.
PREPARING THE INSTALLATION LOCATION
All Sonance speakers are designed to be relatively insensitive to variations in
enclosure volume. To achieve the ultimate performance from your speakers,
a section of the ceiling bay can be partitioned to form a back box. Building
such an enclosure will create a dramatic improvement in your speakers’bass
performance and power handling.
Ideal back box volume requirements:
Virtuoso V834
DR: 2.5 ft
3
Virtuoso V833
DR 2.2 ft
3
Virtuoso V832
DR 2.0 ft
3
Virtuoso V831
DR 2.0 ft
3
Insulating the Ceiling Cavity
You can reduce sound transmission to adjacent rooms and further improve
speaker performance by inserting a sheet of unfaced fiberglass insulation over
the back of the speaker.
To reduce noise produced by unsupported drywall, install fiberglass
insulation in the ceiling bays adjacent to the speaker location.
Optional Virtuoso
DR
Retrofit Enclosures
For installations where it isn’t possible to partition the ceiling bay to form a
back box (such as when you’re retrofitting the speakers into an existing
ceiling),you can effectively reduce sound transmission into adjacent rooms by
fitting the speakers with optional Virtuoso
DR
Retrofit Enclosures
(part# 92243). This enclosure is designed specifically to be used with
Virtuoso
DR
speakers, and will noticeably reduce sound “spillover” from the
rears of the speakers into adjacent rooms and spaces.
INSTALLING THE SPEAKERS
Before Installation: New Construction
For installations in new construction, Sonance recommends using
a Virtuoso FlexBracket (part#92247) to reserve a location for the speaker. The
FlexBracket has perforated wings that can be positioned at any angle around
the bracket,and is nailed or screwed to the studs.This serves as a guide for the
drywaller so that the speaker hole will be in the desired location once the
drywall is installed.
Before Installation: Retrofit
1. Determine the location for the speaker (see Speaker Placement on page 1).
2. Perform an obstruction survey to be certain that there are no studs,conduit,
pipes, heating ducts or air returns that will interfere with the speaker.
Wire resistance in Ohms vs. length of cable run
Distance in Feet 50' 100' 150' 200' 250' 300'
1.04
.65
.41
.26
.16
.10
18 gauge
16 gauge
14 gauge
12 gauge
10 gauge
20 gauge
2.07
1.30
.82
.52
.32
.20
3.11
1.96
1.22
.77
.49
.31
4.14
2.61
1.63
1.03
.65
.41
5.18
3.26
2.04
1.29
.81
.51
6.22
3.91
2.45
1.55
.97
.61
TV
6'– 10'
apart
3' – 6'
apart
2' – 6'
2'– 3'
1'– 2'
Surround
Back
Speakers
Left & Right
Surround Speakers
Left, Center
& Right
Speakers
Illustration 2: 7.1-Channel Home Theater Placement
INSTRUCTION MANUAL
SONANCE VIRTUOSO
®
DR-SERIES
8” IN-CEILING SPEAKERS