User manual NILES CM650BG

[. . . ] With proper installation and operation, you'll enjoy years of trouble-free use. 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. [. . . ] Save this part--it may be used as a paint mask. Use the inside of the template to trace the outlines at the desired location on the ceiling or wall. With a keyhole saw, cut along the penciled lines. Figure 2 Detail of Mounting System screws clockwise. Over-tightening the clamps may make the grille difficult to install. NOTE: The screws will be easier to turn if you "prime" them first. Before installing each speaker, turn the screws in and then turn them back out to their original positions. This is to prevent each grille from becoming loose over time. Some effort and care is required when installing them. Repeat this procedure for the next speaker. BE CAREFUL NOT TO CUT THROUGH ANY EXISTING WIRING. Attach the speaker wires to the speaker. Be sure that proper phasing is observed. There are four clamps which hold each speaker in place. The clamps are tightened via four front-baffle screws. To install the speaker, first rotate the clamps inward. Insert the speaker into the cutout and tighten the clamps by turning the REMOVING THE GRILLE To remove the grille from the CM650BG, obtain a small paper clip (size #1, common) and bend the last quarter inch of it into an "L" shape. Holding the paper clip with a pair of pliers, insert the end with the "L" into a hole near the edge of the grille. [. . . ] The grilles should be painted before they are installed. The best results will be obtained by using a spray gun or airless sprayer, thinning the paint (prevents clogging of grille holes) and by applying several light coats instead of one heavy one. ® www. nilesaudio. com NILES AUDIO CORPORATION 12331 S. W. 130 STREET MIAMI, FLORIDA 33186 TEL: (305) 238-4373 FAX: (305) 238-0185 ©1999 Niles Audio Corporation. [. . . ]