Niles Audio Personal Lift CM650BG User Manual

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.  
MicroPerfgrille 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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