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WWW.NILESAUDIO.COM NILES AUDIO – 1-800-BUY-HIFI – 1-760-710-0992
INSTALLATION CONSIdERATIONS continueD
NOTE: BE VERY CAREFUL WHEN LOCATING THE SPEAKERS. VERIFY ALL LOCATIONS ARE
CLEAR OF OBSTRUCTIONS BEFORE CUTTING THE FIRST HOLE.
Each speaker requires two-conductor wiring of suf cient gauge. The gauge
depends on the length of the wire. For recommendations, please refer to (Figure 2).
(Stereo Input loudspeakers require four-conductor wiring).
When running loudspeaker wire inside walls or ceilings, use special jacketed
cable (CL-2 or CL-3 rating) to protect the wire and for re prevention. In some
municipalities, conduit is required. For a trouble-free installation, low voltage wire
such as loudspeaker wire must be in accordance with the National Electrical Code
and any applicable provisions of the local building code. If you are unsure of the
correct installation techniques, wire jacket, or type of conduit to use, consult a
professional audio/video installer, building contractor, or the local building and
inspection department.
Distance from speaker to amplifier Wire Gauge
Less than 80 feet
16
80 to 200 feet 14
More than 200 feet 12
PARTS GUIdE
PACKAGE CONTENTS FOR:
CM7SD
(1) Niles CM loudspeaker, (1) Magnetically attached round grill, (1) Hole template
with painting standoffs, (1) Owner’s manual, (1) Warranty card.
INSTALLATION CONSIdERATIONS
Recommended tools for installation:
The CM7SD requires an 8-1/2”
(21.6 cm) diameter hole opening
and a minimum of 2-3/4” (7.0 cm)
depth when measured from the
exterior face of the drywall. To the
sides of the hole you will need 1”
(2.54 cm) for the mounting tabs to
clamp the speaker to the drywall.
(CONTINUED ON NEXT PAGE)
• Cordless screwdriver • Measuring tape • Painters tape
• One inch #2 Phillips tip • Stud fi nder • Drop cloth
• 1/8” Drill bit • Spackle • Optional - a 24” x 24”
piece of R19 insulation
• Drywall saw • Wire stripper
• Laser plumb bob • Cable ties
• 12” -14” Coat hanger wire • Pencil
Figure 2. Speaker Wire Gauge Guide
Figure 1. Required dimensions for installation in ceiling.
2-3/4" (7.0 cm)
Depth from Drywall
Exterior
CM7SD 8-1/2” (21.6 cm)
Diameter Hole Opening
9901204-RevA-CM7SD-SpkManual-V3.indd 4-5 8/17/11 8:23 PM