INTRODUCTION
Thank you for purchasing a Sonance Symphony Single Stereo Technology®
(SS
TR
) speaker. When properly installed, this speaker will give you many
years of entertainment pleasure. To get the most out of your new speak-
er, please read this manual thoroughly before you begin installation.
To achieve the best performance, Sonance recommends that this
speaker be installed by a Sonance Authorized Dealer/Installer.
This manual covers both the Symphony S623SS
TR
and Symphony S621SS
TR
speaker models.
PARTS LIST
Your Sonance Symphony in-ceiling speakers include the following:
• (1) Sonance Symphony Speaker
• (1) Paintable Grille
• (1) Plastic paint plug to protect speakers during painting
• (1) Mounting cutout template (in packaging)
OPTIONAL ACCESSORIES
Symphony FlexBracket
(part# 92092) and
Symphony Staple Template
(part#
901049) — Plastic templates to reserve a mounting hole for the speaker
in new construction. Designed to be used with the RotoLock® mount-
ing system.
Symphony Coverplate
(part# 92094) — Covers the hole made by the
FlexBracket during construction until the speaker is installed.
Symphony Retrofit Enclosure
(part# 92098) — Molded enclosure that
reduces sound transmission into adjacent rooms and spaces. Can be
used in installations where the speaker is retrofitted into existing walls.
Sonafill
®
In-Ceiling System
(part# 91928) — Retrofittable acoustical
treatment for in-ceiling speakers consisting of two pillows and four tiles
that virtually eliminates noises produced by resonating drywall.
Dramatically improves midbass sound quality and reduces sound
transmission into adjacent rooms.
Symphony Acoustic Enclosure
(part# 91688) — ½” MDF enclosure that
provides ideal acoustic performance and maximum reduction of
sound transmission into adjacent spaces. Designed for use only in new
construction.
Fire-Rated Back Can
(part# 91906) — Meets ASTM E 119, CAN/ULC S 101,
NFPA 251, UBC 7-1 and UL 263 criteria for commercial installations.
SPEAKER PLACEMENT
Sonance Symphony SS
TR
speakers combine the outputs of your
receiver’s or amplifier’s left and right stereo channels, and play both
stereo channels from just one speaker.
Symphony SS
TR
speakers are ideal for use in hallways, bathrooms,
closets, or in any location where listeners will be moving around and a
pair of stereo speakers would be impractical.
The location of the speaker should be determined by considering your
primary listening location as well as aesthetic values. Because a single
Symphony SS
TR
speaker reproduces both stereo channels, Symphony
SS
TR
speakers will deliver outstanding performance from a wide variety
of locations.
For optimum results contact your Authorized Sonance Dealer for
advice.
WIRE GAUGE
Extra resistance in the speaker wire can make a speaker 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 following table 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 speaker, the wall or ceiling bay can be sectioned-off to
form a back box. Building such an enclosure will create a dramatic
improvement in bass performance and power handling.
Ideal back box volume requirements:
Symphony S623SS
TR
1.5 ft
3
Symphony S621SS
TR
1.0 ft
3
Insulating the Wall or Ceiling Cavity
To reduce sound transmission to adjacent rooms and further improve
speaker performance, insulate the wall or ceiling cavity by inserting a
sheet of unfaced fiberglass insulation above and below the speaker.
To reduce noise produced by unsupported drywall, install fiberglass
insulation in the wall or ceiling bays adjacent to the speaker location.
Symphony Retrofit Enclosures
For installations where it isn’t possible to section-off the wall or 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 Symphony
Retrofit Enclosures (part# 92098). This enclosure is designed specifical-
ly to be used with Symphony speakers, and will noticeably reduce sound
“spillover” from the rear of the speakers into adjacent rooms and spaces.
INSTALLING THE SPEAKERS
New Construction
For installations in new construction, Sonance recommends using
a Symphony FlexBracket (part#92902) to reserve a location for the
speaker. The FlexBracket is nailed or screwed to the studs and serves as
a guide for the drywaller so that the speaker hole will be in the desired
location once the drywall is installed.
1
I N S T R U C T I O N M A N U A L
S O N A N C E S Y M P H O N Y
®
S E R I E S
SINGLE STEREO TECHNOLOGY
®
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
