Bose Bose CM 1SR Manual

The Bose CM 1SR is a premium in-ceiling loudspeaker designed for high-quality audio reproduction in custom home theater and multi-room audio installations. It features a 6.5-inch woofer and a 1-inch tweeter, delivering balanced sound with wide dispersion. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Operation 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: 6.5-inch woofer, 1-inch tweeter, paintable grille, adjustable tweeter output, and integrated mounting system.

Feature	Description
6.5-inch Woofer	Delivers deep, accurate bass response
1-inch Tweeter	Provides clear, detailed high frequencies
Paintable Grille	Blends seamlessly with ceiling decor
Adjustable Tweeter Output	Customize high-frequency response to room acoustics
Integrated Mounting System	Easy and secure installation
Wide Dispersion Design	Consistent sound throughout the listening area
High-Power Handling	Compatible with most home audio amplifiers
Magnetic Shielding	Prevents interference with nearby electronics
Terminal Connectors	Spring-loaded for secure wire connections
Durable Construction	Built for long-term reliability

Installation

Unpack and inspect contents. Ensure proper tools and safety precautions.

Choose location: Select ceiling location away from obstructions and heat sources.
Cut opening: Use template to cut precise hole in ceiling.
Run speaker wire: Route wire from amplifier to speaker location.
Connect wires: Strip insulation, connect to spring-loaded terminals (observe polarity).
Mount speaker: Insert into ceiling, tighten mounting clamps securely.
Attach grille: Snap grille into place after installation.

WARNING! Turn off power to amplifier before installation. Ensure ceiling can support speaker weight.

First-Time Setup

After installation, configure speaker settings for optimal performance.

Power on system: Turn on amplifier at low volume.
Adjust tweeter output: Use control on speaker baffle to set high-frequency level.
Test sound: Play audio source to verify proper operation.
Balance system: Adjust amplifier settings to match other speakers in system.
Paint grille (optional): If desired, paint grille to match ceiling before final attachment.

CAUTION! Do not over-tighten mounting clamps. Use appropriate paint for grille.

Specifications

Driver Size: 6.5-inch woofer, 1-inch tweeter.
Frequency Response: 55Hz - 16kHz (±3dB).
Power Handling: 10-100 watts RMS.
Impedance: 8 ohms.
Sensitivity: 89dB SPL (1 watt/1 meter).
Mounting Depth: 3.5 inches (89mm).
Cutout Diameter: 8.25 inches (210mm).
Grille Dimensions: 9.5 inches (241mm) diameter.
Weight: 4.2 lbs (1.9 kg).
Finish: White paintable grille.

Controls and Settings

Physical controls on speaker baffle. No remote control included.

Speaker Controls: Tweeter output adjustment dial (located on speaker baffle).

Amplifier Settings: Volume, balance, tone controls (bass/treble) should be adjusted on connected amplifier or receiver. Installation: Proper wire connection (positive/negative terminals). Tweeter Adjustment: Rotate dial to increase or decrease high-frequency output based on room acoustics and personal preference.

Connecting Devices

Connect to amplifier or receiver using standard speaker wire.

Turn off amplifier power before connecting.
Strip 1/2 inch (12mm) of insulation from speaker wire ends.
Press spring-loaded terminal tabs, insert bare wire, release tabs.
Ensure positive (+) terminal connects to amplifier's positive output.
Ensure negative (-) terminal connects to amplifier's negative output.
Secure wires to prevent strain on connections.

Tip: Use 16-gauge or thicker speaker wire for runs over 50 feet.

Operation

Designed for continuous operation with proper amplification.

Power sequence: Turn on amplifier first, then audio source.
Volume control: Adjust volume at amplifier, not at speaker.
Source selection: Choose audio source on amplifier/receiver.
Tweeter adjustment: Fine-tune using dial on speaker if needed.
Multi-room systems: Integrate with compatible Bose or third-party multi-room audio systems.
Home theater: Use as surround or effects channels in home theater configuration.

WARNING! Do not exceed recommended power handling. Avoid clipping from amplifier.

Accessibility Features

No specific accessibility features. Speaker operation is controlled through connected amplifier.

Care & Cleaning

Turn off system before cleaning. Use soft, dry cloth for grille. Do not use liquids or abrasive cleaners.

CAUTION! Do not remove grille unless necessary. Avoid moisture near speaker components.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © Bose Corporation. All rights reserved. Bose and the Bose logo are trademarks of Bose Corporation. For support, visit www.bose.com or contact Bose Customer Service.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No sound from speaker	Wire connections/amplifier	Check wire connections; ensure amplifier is on and set to correct source.
Distorted sound	Overdriven amplifier	Reduce volume on amplifier; check for clipping.
Uneven sound between speakers	Balance settings/wire polarity	Check amplifier balance control; verify all speakers wired with correct polarity.
Limited high frequencies	Tweeter adjustment	Adjust tweeter output dial on speaker baffle.
Hum or buzz	Ground loop/interference	Check amplifier grounding; reroute speaker wires away from power cables.

Reset: No reset function; check amplifier settings.

Service: Contact Bose Customer Service or authorized service center.