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 perfor-
mance from your speakers, a section of the ceiling bay can be
sectioned-off to form a back box. Building such an enclosure will
create a dramatic improvement in your speakers’ bass perfor-
mance and power handling.
Ideal back box volume requirements:
Model 832: 2.0 ft (.055 m3)
Model 831: 2.0 ft (.055 m3)
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You can reduce sound transmission to adjacent rooms and fur-
ther 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 fiber-
glass insulation in the stud bays adjacent to the speaker location.
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For installations where it isn’t possible to section-off the stud bay
to form a back box (such as when you’re retrofitting the speak-
ers into an existing wall), you can effectively reduce sound trans-
mission into adjacent rooms by fitting the speakers with optional
Retrofit Enclosures (part# 92242). This enclosure is specifically
designed to noticeably reduce sound “spillover” from the rears of
the speakers into adjacent rooms and spaces.
Installing the Speakers
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For installations in new construction, Sonance recommends using
a FlexBracket (part# 92246) to reserve a location for the speak-
er. 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.
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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.
3. The cutout for all Original Series Large speakers is 87/16”
(214mm) wide and 14½” (368mm) high. There also must be
at least 37/8” (99mm) depth within the wall for the speaker.
4. Position the included cutout template where the speaker is to
be located and pencil an outline on the wall.
• If you are unsure about obstructions, drill a small hole in
the center of the outline and insert a coat hanger wire into
the hole to feel-around for possible obstructions.
5. Cut the hole using a drywall saw, and run the speaker wires.
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All Sonance Original Series Large speakers have a knockout for
installing an IR receiver into
the speaker’s front baffle. This
remote controls to be aimed
at the front of the room
instead of at the electronics,
in systems where the electron-
ics may be placed in an
inconvenient location.
The knockout is in the form of
a bolt and retaining nut. To
remove the knockout, unscrew
the nut (located behind the
baffle) and remove the bolt.
The hole is designed to
receive a Sonance SMR1 or
SMR1P Surface-Mount IR
receiver. Insert the IR receiver
through the front of the speaker baffle and use the nut included
with the receiver to fasten it to the baffle.
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Sonance Original Series Large speakers feature exclusive
FastMount® tabs and an integral RotoLock® mounting system for
quick mounting directly into existing walls (see
Figure 7
, below).
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1. Remove the paint plug from the speaker. Connect the speaker
wire to the terminals on the speaker. (The V834Dhas two sets
of “+” and “–” terminals (see below). You can use either set.)
Double-check that you connected amplifier + to speaker + and
amplifier – to speaker –.
2. Make sure all the RotoLock clamps are in the full clockwise
position so that they are tucked within the mounting hole’s
border. Insert the speaker into the hole in the ceiling. The
RotoLock system can accommodate a maximum wall material
thickness of 1¼” (32mm).
3
ORIGINAL SERIES LARGE RECTANGLE SPEAKERS
Figure 6: IR Knockout