Sonance 421MR User Guide
2
SONANCE MERLOT
®
MR/SSMR/MSQ
Stereo Placement (2-Channel)
• Place the left and right speakers anywhere from 6 feet to 10
feet apart, with the main listening position as close to midway
between the speakers as possible.
between the speakers as possible.
• In most cases pivoting the woofer of each speaker directly
towards the main listening position will help maximize the
stereo soundstage.
stereo soundstage.
Use the Left and Right speaker placement in
Figures 2 and 3
(on page 1) as a guide.
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, pocket doors or air returns
in the ceiling cavity that will interfere with the speaker.
in the ceiling cavity that will interfere with the speaker.
3. The cutout for all Merlot MR, MSQ and SSMR speakers is 5
7
/
8
”
(149mm) in diameter. There also must be at least 3½” (89mm)
depth within the ceiling cavity for the speaker.
depth within the ceiling cavity for the speaker.
4. Position the included cutout template where the speaker is to
be located and pencil an outline on the ceiling.
• 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.
hole to feel-around for possible obstructions.
5. Cut the mounting hole using a keyhole or drywall saw, and
run the speaker wires from the mounting hole to the amplifier
location.
location.
• Consult local building codes before running speaker wires
through ceilings.
Installation
Sonance Merlot speakers feature exclusive FastMount
®
tabs and an
integral RotoLock
®
mounting system for quick mounting directly
into existing ceilings.
WARNING: THE EDGES OF THE FASTMOUNT TABS
ARE VERY SHARP. USE CAUTION WHEN
HANDLING THE SPEAKER.
ARE VERY SHARP. USE CAUTION WHEN
HANDLING THE SPEAKER.
1. Remove the paint plug from the speaker.
2. Run speaker wire from each speaker to the amplifier location.
3. Strip ¼” – ½” of insulation from each speaker lead. Twist the
strands or tin the exposed wire with solder to ensure that there
are no stray strands. (Stray strands that touch each other can
cause a short-circuit that can damage the amplifier.)
are no stray strands. (Stray strands that touch each other can
cause a short-circuit that can damage the amplifier.)
4. The speaker’s connector posts are spring-loaded. Push the top
of each connector post down to open the connector and insert
the exposed wires into the holes in the posts.
the exposed wires into the holes in the posts.
• The speaker’s positive post is labeled with a red dot; the
negative post is labeled with a black dot. Double-check that
you connected amplifier “+” to speaker “+” and amplifier “–”
to speaker “–”.
you connected amplifier “+” to speaker “+” and amplifier “–”
to speaker “–”.
5.
Make sure all the
RotoLock clamps are in
the full clockwise posi-
tion so that they are
tucked within the
mounting hole’s bor-
der. Insert the speaker
into the hole in the
ceiling (
RotoLock clamps are in
the full clockwise posi-
tion so that they are
tucked within the
mounting hole’s bor-
der. Insert the speaker
into the hole in the
ceiling (
Figure 4). The
RotoLock system can
accommodate a maxi-
mum ceiling material
thickness of 1¼”.
accommodate a maxi-
mum ceiling material
thickness of 1¼”.
• The FastMount tabs
will prevent the
speaker from falling
out of the mounting
hole, allowing the
installer to let go of
the speaker to pick-up
tools or other items
(
speaker from falling
out of the mounting
hole, allowing the
installer to let go of
the speaker to pick-up
tools or other items
(
Figure 5).
Note: The FastMount
tabs are designed
fo r o n e - t i m e u s e
only. If the speak-
er is removed from
the mounting hole
t h e Fa s t M o u n t
t a b s w i l l d i s c o n -
n e c t a n d re m a i n
inside the ceiling.
6. Tighten the four screws
on the front of the
speaker baffle. The
RotoLock clamps will
automatically rotate
into position and begin
clamping the speaker
(
speaker baffle. The
RotoLock clamps will
automatically rotate
into position and begin
clamping the speaker
(
Figure 6).
•
When you notice
resistance on the
screws the speaker
has been clamped
successfully.
resistance on the
screws the speaker
has been clamped
successfully.
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Note: The speaker f lange is designed to f lex and
confor m to any small imper fections in the ceiling
sur face. Do not tighten the screws so much so
that the f lange bows-out.
7. Attach the grille after the speaker has been installed. Insert
about half of the grille into the groove at the edge of the speak-
er. Gently fit the remaining half of the grille by working around
the speaker, fitting the grille into the groove as you go.
er. Gently fit the remaining half of the grille by working around
the speaker, fitting the grille into the groove as you go.
FastMount Tabs
FastMount Tab
RotoLock
Clamp
(Retracted)
Clamp
(Retracted)
Figure 4: Inserting the Speaker
Into the Mounting Hole
Figure 5:
FastMount Tabs
FastMount Tabs
RotoLock Clamps (Extended)
Figure 6:
Tightening the RotoLock Clamps