Sonance SM55, SM55 SST User Manual
Introduction
Thank you for purchasing Sonance Surface-Mount Speakers.
When properly installed your new speakers will give you years
of entertainment pleasure. This manual covers the SM55 and
SM55SST (Single-Stereo Technology
®
) speakers.
Box Contents
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Surface Mount Speaker 2 1
Paintable Grille 2 1
Speaker Terminal Screws 4 4
Speaker Placement
Distributed Audio (SM55 and SM55SST)
The SM55 and SM55SST’s low installation profile makes them
ideal for use in distributed audio systems. They provide coverage
of a very wide listener area, allowing the them to be mounted in
a wide variety of installation locations.
Because a single SM55SST speaker reproduces both stereo
channels from a single location, it will deliver outstanding
performance from a wide variety of mounting locations where a
pair of stereo speakers would be impractical, including hallways,
bathrooms and closets.
The table and illustration below show how far apart the speakers
can be placed at various ceiling heights while still providing
good coverage for all listeners.
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9-Foot Ceiling 5’7” 9’5”
10-Foot Ceiling 9’7” 13’5”
12-Foot Ceiling 13’7” 17’5”
14-Foot Ceiling 17.7’ 21.5’
Surround Channel (SM55)
The SM55’s low-profile design and wide area coverage also
make it an excellent choice for surround channel applications in
home theater systems.
5.1-Channel System
(see Figure 2)
• 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.
7.1-Channel System (see Figure 3)
•
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Place the left and right
surround speakers directly to the sides of the listening position,
between 6 feet and 10 feet apart.
•
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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.
Before Installation
1. Determine the location for the speaker (see
Speaker Placement
).
2. The SM55 and SM55SST Mounting Plates (available separately)
are designed to install onto a J-box (single or double) that has
already been mounted in the ceiling.
INSTRUCTION MANUAL
SM55 AND SM55SST
SURFACE-MOUNT SPEAKERS
TV
3' – 6'
Apart
2' – 6'
Surround
Back
Speakers
Left & Right
Surround Speakers
F
IGURE 3: 7.1-CHANNEL SURROUND CHANNEL SPEAKER PLACEMENT
TV
6' – 10'
Apart
2' – 6'
Left & Right
Surround
Speakers
FIGURE 2: 5.1-CHANNEL SURROUND CHANNEL SPEAKER PLACEMENT
1
C
OVERAGE
A
REA
C
OVERAGE
A
REA
S
PEAKER
S
PACING
FIGURE 1: DISTRIBUTED AUDIO COVERAGE AREA
2
SONANCE SM55 & SM55SST SURFACE-MOUNT SPEAKER
• The Mounting Plate allows the speaker to be installed after
the ceiling has been finished. The Mounting Plate also
allows the speaker to be rotated after installation to align it
with design elements in room.
3. If there is no J-box in the ceiling, the speaker can be mounted
directly on the ceiling surface, without using the Mounting Plate.
• If the speaker is installed without the Mounting Plate it
cannot be rotated after installation.
Installation Using a J-Box
1. Run speaker wires through the ceiling or conduit, from the
amplifier into the J-Box. Mark the wire’s “+” and “–” leads.
• Consult local building codes before running speaker wires
through ceilings.
2. Bring the speaker wires through the J-Box and attach them to
the binding posts on the back of the Mounting Plate. (The
SM55 plate has one set of posts; the SM55SST plate has two
sets, see
Figure 4
.) The binding posts will accept single
banana plugs or bare wire.
• Loosen the set screw on the binding post, insert the plug or
wire, then tighten the set screw to secure the wire.
IMPORTANT: When using bare wire, be sure that
no stray “+” and “–” strands touch each other.
(Stray strands that
touch each other
can cause a shortcircuit that can
damage the amplifier.)
3. Use the 1½” x 6-32 flat
head screws included
with the Mounting Plate
to attach it to the J-Box.
(See
Figure 5
.)
• Use two screws for a
single-gang J-Box; use
four screws for a
double-gang J-Box.
4. The Mounting Plate is fitted with a paint plug
that protects the speaker
terminals if the ceiling is
painted after the Plate is installed. Remove the paint plug
before installing the speaker.
5. To install the speaker, place the speaker against the Mounting
Plate so that the male terminal connectors on the speaker fit
into the female connectors on the Mounting Plate. The
neodymium magnets on the speaker will secure the speaker to
the Mounting Plate. (See
Figure 6
.)
Be sure to align the “+” and “–” connectors on the speaker with
the corresponding connectors on the Mounting Plate.
• After the speaker is installed you can rotate it to align it
with design elements in the room. See
Speaker Adjustments:
Rotating the Speaker
, on page 3.
Installation Without a J-Box
1. Remove the grilles from the speakers.
• The grilles are held on the speakers by 2 small tabs on each
side of the grille frame. Use a flat-blade screwdriver to
gently pry each side of the grille frame away from the
speaker to release the tabs, and slide the grille off the
speaker (see
Figure 7
).
F
IGURE 4: WIRING THE
MOUNTING P
LATE
SM55 (LEFT); SM55SST (RIGHT)
A) Loosen Set Screw
B) Insert Wire
C) Tighten Set Screw
A, C
B
A, C
B
FIGURE 5: ATTACHING THE
M
OUNTING PLATE TO THE J-BOX
(SM55 PLATE SHOWN)
F
IGURE 6: ATTACHING THE SPEAKER TO THE MOUNTING PLATE
Mounting Plate
(installed on ceiling)
SM55
Speaker
(back side)
Neodymium
Magnets
Terminal Connections
(2 on SM55;
4 on SM55SST)
1. Insert Screwdriver Between
Grille Frame and Speaker at
Tab Locations and Gently Pry
Grille Away From Speaker
2. Slide Grille Assembly
Off Of Speaker
FIGURE 7: REMOVING THE GRILLE
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