Niles CM650BG Installation And Operating Manual

I N S T A L L A T I O N
®

SPECIFICATIONS

DESIGN PRINCIPLE
Infinite baffle. Specifically designed
for in-ceiling applications. Extended
bass response, ultra-wide dispersion
WOOFER
6-1/2" polypropylene with a urethane
surround
TWEETER 3/4" dome
FREQUENCY RESPONSE
55 Hz to 20 kHz +/- 3 dB
SENSITIVITY
91 decibels for 2.83 volts of pink
noise, measured at 1 meter on axis
IMPEDANCE
8 ohm nominal; 7 ohm minimum
OVERALL DIMENSIONS
9-1/4" diameter
MOUNTING DEPTH
3-3/8" (assumes 1/2" dry wall)
CEILING CUT-OUT FOR RETROFIT
8" diameter
BEZEL FINISH
Pearl white ABS with non-glare finish
GRILLE COLOR AND MATERIAL
Pearl white, perforated aluminum
WEIGHT
8 lbs. per pair
TOOLS REQUIRED
• Keyhole saw
• #2 Philips screwdriver or screw-
driver bit
• Pencil
B H F
L E N D I N G I G H I D E L I T Y
A
A N D R C H I T E C T U R E
CM 650 BG
C E I L I N G M O U N T
FEATURES & BENEFITS
FEATURES & BENEFITS
The CM650BG ceiling mount loudspeak-
er offers Niles durability and installation
ease and is designed for unobtrusive
installations.
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
PLACEMENT CONSIDERATIONS
PLACEMENT CONSIDERATIONS
The CM650BG is designed to work well
in any standard ceiling. The mounting
surface must be at least 3/8 inch thick.
WIRING CONSIDERATIONS
WIRING CONSIDERATIONS
This speaker is designed to be minimally
affected by long lengths of speaker wire.
INSTALLATION PROCEDURE
INSTALLATION PROCEDURE
Figure 1
Feeling for obstructions
behind the ceiling surface.
®
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.
mounting system: simply cut a hole in the
mounting surface and tighten the four
clamps via front-baffle screws. The flush,
™
MicroPerf grille can be painted or cov-
ered to blend with the surrounding decor.

PACKAGE CONTENTS

• 1 Pair of Speakers
• 1 Pair of Hole Template/Paint Masks
It will perform well in any air volume
greater than .5 cubic feet.
The CM650BG will accommodate speak-
er wire between 12 and 22 gauge.
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).
CONTINUED OTHER SIDE