I N S T A L L A T I O N A N D O P E R A T I O N G U I D E
®
CONGRATULATIONS
Thank you for choosing a Niles Ceiling
Mount loudspeaker. With proper instal-
lation and operation, you’ll enjoy years
of trouble-free use.
CM650BG
C E I L I N G M O U N T
FEATURES & BENEFITS
SPECIFICATIONS
The CM650BG ceiling mount loudspeak- mounting system: simply cut a hole in the
er offers Niles durability and installation mounting surface and tighten the four
ease and is designed for unobtrusive clamps via front-baffle screws. The flush,
DESIGN PRINCIPLE
Infinite baffle. Specifically designed
for in-ceiling applications. Extended
bass response, ultra-wide dispersion
installations.
MicroPerf™ grille can be painted or cov-
ered to blend with the surrounding decor.
WOOFER
The CM650BG measures 9-1/4 diameter;
It features a weather-resistant 6-1/2 inch
polypropylene co-axial driver system
with a urethane surround and powder
coated aluminum grilles, making it suit-
able for bathroom and outdoor patio
applications. It employs a bracketless
6-1/2” polypropylene with a urethane
surround
PACKAGE CONTENTS
TWEETER 3/4” dome
FREQUENCY RESPONSE
55 Hz to 20 kHz +/- 3 dB
• 1 Pair of Speakers
• 1 Pair of Hole Template/Paint Masks
SENSITIVITY
91 decibels for 2.83 volts of pink
noise, measured at 1 meter on axis
PLACEMENT CONSIDERATIONS
IMPEDANCE
8 ohm nominal; 7 ohm minimum
The CM650BG is designed to work well It will perform well in any air volume
in any standard ceiling. The mounting greater than .5 cubic feet.
surface must be at least 3/8 inch thick.
OVERALL DIMENSIONS
9-1/4” diameter
MOUNTING DEPTH
3-3/8” (assumes 1/2” dry wall)
WIRING CONSIDERATIONS
CEILING CUT-OUT FOR RETROFIT
8” diameter
This speaker is designed to be minimally
affected by long lengths of speaker wire.
The CM650BG will accommodate speak-
er wire between 12 and 22 gauge.
BEZEL FINISH
Pearl white ABS with non-glare finish
INSTALLATION PROCEDURE
GRILLE COLOR AND MATERIAL
Pearl white, perforated aluminum
1. Cut a foot-long piece of coat hanger.
Bend the wire (creating a right angle) leav-
ing 4-3/4” at one end for the CM-650BG
(this allows for the extra width of the
mounting dogs). Poke the “L-shaped” wire
into the pilot hole and turn it in a com-
plete circle and move it into the ceiling
cavity to make sure you have approxi-
mately 3-3/8” of depth. If the coat hanger
movement is obstructed by anything, fill
the hole(s) with spackle and try another
location. (See Figure 1).
WEIGHT
8 lbs. per pair
TOOLS REQUIRED
• Keyhole saw
• #2 Philips screwdriver or screw-
driver bit
• Pencil
Figure 1
Feeling for obstructions
behind the ceiling surface.
B L E N D I N G H I G H F I D E L I T Y
A N D A R C H I T E C T U R E ®
CONTINUED OTHER SIDE
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