CM8PR - Loudspeaker Niles - Free user manual and instructions
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| Product Type | In-ceiling loudspeaker |
| Model | CM8PR |
| Driver Size | 8 inches (203 mm) |
| Tweeter Type | 1-inch pivoting silk dome tweeter |
| Impedance | 8 ohms |
| Power Handling (RMS) | 100 watts |
| Frequency Response | 50 Hz – 20 kHz |
| Sensitivity | 90 dB (2.83V/1m) |
| Cutout Dimensions | 9.5 inches (241 mm) diameter |
| Depth Behind Ceiling | 5.25 inches (133 mm) |
| Grille Dimensions | 10.5 inches (267 mm) diameter |
| Weight | 5.2 lbs (2.36 kg) |
| Color | White (paintable grille) |
| Mounting System | Dog-leg clamp system for easy installation |
| Warranty | 5 years limited |
| Recommended Wire Gauge | 16 AWG or thicker |
| Application | Home theater, distributed audio |
Frequently Asked Questions - CM8PR Niles
How do I install the Niles CM8PR speaker?
Cut a hole of 9.5 inches (241 mm) diameter in the ceiling. Ensure there is at least 5.25 inches of depth behind the drywall. Connect speaker wires (16 AWG recommended) to the spring-loaded terminals, then insert the speaker into the hole and tighten the four mounting screws until the dog-leg clamps secure it firmly.
Can I paint the grille?
Yes, the grille is paintable. Remove the grille before painting. Use thin, water-based paint to avoid clogging the perforations. Apply several light coats and allow to dry before reinstalling.
What is the recommended amplifier power for this speaker?
The CM8PR handles up to 100 watts RMS. An amplifier delivering 20 to 100 watts per channel is ideal. Ensure the amplifier impedance matches 8 ohms.
How do I adjust the tweeter direction?
The tweeter pivots up to 15 degrees. Gently press on the edge of the tweeter to tilt it toward the listening area. Do not force it beyond the stop.
What is the frequency response of the CM8PR?
The frequency response is 50 Hz to 20 kHz, providing full-range audio suitable for music and home theater.
Is the CM8PR suitable for outdoor use?
No, this speaker is designed for indoor, dry locations only. Exposure to moisture or temperature extremes may damage it.
What is the cutout size and depth required?
Cutout hole diameter is 9.5 inches (241 mm). Minimum depth behind the ceiling is 5.25 inches (133 mm). Always check for obstructions like studs or wiring before cutting.
Can I use the speaker with a 70V distributed audio system?
The CM8PR is a standard 8 ohm speaker. It is not designed for 70V systems unless you add an external 70V transformer. Check with a professional for proper integration.
How do I clean the speaker grille?
Remove the grille and gently vacuum the perforations with a brush attachment. For stubborn dust, lightly wipe with a damp cloth. Do not use harsh chemicals or soak the grille.
Does the speaker include a mounting bracket or template?
The speaker comes with a cutout template printed on the box. It also includes dog-leg mounting clamps and screws. No additional brackets are needed for installation into standard drywall.
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USER MANUAL CM8PR Niles
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Product information
Brand : Niles
Model : CM8PR
Category : Loudspeaker