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Installation in
Existing Construction
IMPORTANT: Before you cut into any
wall, review the sections on running
wire and speaker placement.
1. When determining the location of the
speaker cutout keep in mind that the
mounting dogs will extend 3/4” beyond
the cutout. Make sure that you do not
place the edge of the cutout directly next
to a ceiling joist. Locate the joists using a
stud sensor or hand-knocking.
2. Once you have determined a possible
position for the cutout, drill a 1/8” pilot
hole barely through the wallboard or
dry wall (1/2” to 5/8” deep in most
homes) in the center of your proposed
speaker location. BE VERY CAREFUL
NOT TO DRILL THROUGH EXISTING
WIRES, PIPES, OR STRUCTURE. IF
YOU FEEL ANY EXTRA RESISTANCE
AS YOU ARE DRILLING, STOP.
3. Cut a foot long piece of coat hanger.
Bend the wire (creating a right angle)
leaving 5-1/2” at one end (this allows
for the extra width of the mounting
dogs). Poke the “L-shaped” wire into
the pilot hole and turn it in a complete
circle and move it into the ceiling cavi-
ty to make sure you have approximately
3-3/4” of depth. If the coat hanger
movement is obstructed by anything, fill
the hole(s) with spackle and try another
location.
(See Figure 17).
4. If the coat hanger moves freely in a
complete circle, hold the supplied tem-
plate up to the ceiling surface. Outline
the circular cutout on the ceiling sur-
face with a pencil. Drill a starting point
with a 1/4” drill bit.
5. If you are cutting into
drywall use a
sheetrock or keyhole saw. Cut the hole
with the saw at a 45° angle. That way,
the drywall section can be replaced
cleanly if there is an undetected obstruc-
tion behind the ceiling surface. BE VERY
CAREFUL NOT TO SAW THROUGH
EXISTING WIRES, PIPES, OR STRUC-
TURE. IF YOU FEEL ANY EXTRA RESIS-
TANCE AS YOU ARE CUTTING, STOP.
6. If you are cutting into a
plaster ceiling,
use masking tape to outline your pen-
ciled circle and use a razor to score the
plaster down to the lath beneath. Then
use a chisel to remove all of the plaster
within the taped outline. To actually cut
the lath, two methods are used profes-
sionally; sawing with a metal cutting
blade on a sabre saw is the quickest
and the
riskiest. Sawing a lath with a
sabre saw can easily vibrate plaster off
the ceiling in a completely distant loca-
tion creating more patch work. If you
have the patience, use a pair of tin snips
to slowly nip away at the lath instead.
There is no risk with this method, it is
just time consuming.
15
Installation In Existing Construction
Figure 17
Feeling for obstructions
behind the ceiling surface.