Bose Acoustimass 6 Service Manual

The Bose Acoustimass 6 is a premium home theater speaker system featuring proprietary Acoustimass module technology for deep, clear bass and direct/reflecting cube speakers for immersive surround sound. This service manual provides detailed information for installation, configuration, troubleshooting, and maintenance of the system. Below are key sections covering system overview, installation, wiring, configuration, operation, specifications, and service procedures.

1. System Overview 2. Package Contents 3. Installation Guidelines 4. Wiring & Connections 5. System Configuration 6. Specifications 7. Controls & Operation 8. Troubleshooting 9. Service & Maintenance 10. Safety Information 11. Regulatory Compliance

System Overview

The Acoustimass 6 system consists of an Acoustimass bass module (non-powered) and four direct/reflecting cube speakers (two for front channels, two for rear). Designed for use with compatible Bose Lifestyle systems or external AV receivers.

Component	Description
Acoustimass Module	Non-powered bass enclosure with proprietary pressure-driven speaker technology
Direct/Reflecting Cube Speakers	Four compact speakers (2 front, 2 rear) for surround sound
Speaker Wire	Included color-coded wires for easy connection
Mounting Hardware	Optional brackets for wall/ceiling mounting
User Manual & Guides	Documentation for setup and operation

Package Contents

Unpack and verify all components are present.

Acoustimass bass module (1 unit).
Direct/reflecting cube speakers (4 units).
Color-coded speaker wire set (4 pairs).
Mounting brackets and hardware (optional).
User manual and warranty information.

WARNING! Handle speakers with care; avoid dropping or impacting the enclosures.

Installation Guidelines

Position the Acoustimass module and cube speakers for optimal sound performance.

Place Acoustimass module: Against a wall or in a corner for enhanced bass response.
Position front cube speakers: On stands, shelves, or mounted at ear level when seated.
Position rear cube speakers: To sides or behind listening area, elevated if possible.
Connect to receiver: Use included wires to connect speakers to appropriate receiver channels.
Secure wiring: Route wires safely to avoid tripping hazards.

CAUTION! Ensure all connections are secure and polarity is correct (+ to +, - to -).

Wiring & Connections

Proper wiring is critical for system performance and safety.

Wire Gauge: Use 18-gauge or larger for runs up to 50 feet.
Polarity: Match positive (+) and negative (-) terminals on speakers and receiver.
Connection Points: Acoustimass module connects to receiver's front left/right pre-outs; cubes connect to respective surround channels.
Wire Management: Use cable ties or conduits for neat installation.
Power Requirements: Acoustimass module is passive; powered by receiver or external amp.

System Configuration

Configure your AV receiver to match the Acoustimass 6 system.

Receiver Settings: Set speaker size to "Small" for cubes, subwoofer to "Yes" or "LFE+Main". Crossover: Set to 80Hz or as recommended by Bose. Level Calibration: Use receiver's test tone and SPL meter for balanced levels.

Acoustimass Module: Adjust bass level using receiver's subwoofer output level control. Cube Speakers: Ensure proper phase and distance settings in receiver menu.

Specifications

Key technical specifications for the Acoustimass 6 system.

Parameter	Specification
System Type	5-channel surround sound speaker system
Bass Module	Acoustimass non-powered design
Cube Speakers	Direct/reflecting technology, 2.5" drivers
Impedance	4-8 ohms per speaker
Frequency Response	Bass module: Down to 35Hz; Cubes: 200Hz-16kHz
Recommended Amplifier Power	10-100 watts per channel
Dimensions (Cube)	Approx. 4.5" H x 4.5" W x 4.5" D
Dimensions (Bass Module)	Approx. 20" H x 10" W x 10" D
Weight	Bass module: ~25 lbs; Each cube: ~2 lbs

Controls & Operation

System operation is controlled through your AV receiver or source device.

Power: Turn on receiver and source components.
Volume: Adjust using receiver remote or volume knob.
Source Selection: Choose input (DVD, TV, etc.) on receiver.
Sound Modes: Select surround mode (Dolby Digital, DTS, etc.) on receiver.
Bass Adjustment: Use receiver's subwoofer level control to adjust bass output.

Tip: For best performance, run receiver's auto-setup if available.

Troubleshooting

Common issues and solutions for the Acoustimass 6 system.

Symptom	Possible Cause	Corrective Action
No sound from speakers	Loose connections, receiver off	Check all wire connections; ensure receiver is on and volume up.
Weak or no bass	Bass module not connected, receiver settings	Verify bass module connections; check receiver subwoofer settings.
Distorted sound	Overdriven amplifier, damaged speaker	Reduce volume; inspect speakers for damage.
One speaker not working	Faulty wire, bad connection	Swap wires with working speaker to isolate issue.
Hum or buzz	Ground loop, interference	Check cable routing; use ground loop isolator if needed.

Reset: Power cycle receiver and components.

Service & Maintenance

Routine maintenance and service procedures.

Cleaning: Use dry, soft cloth for exterior surfaces. Do not use liquids or abrasive cleaners. Inspection: Periodically check wire connections and speaker condition. Storage: Store in dry, temperature-controlled environment if not in use.

CAUTION! Do not attempt to open speakers or bass module; no user-serviceable parts inside.

Safety Information

Important safety precautions for installation and operation.

Disconnect power before making connections.
Ensure proper ventilation around components.
Do not expose to moisture or extreme temperatures.
Use appropriate mounting hardware for secure installation.
Keep away from children and pets to prevent tipping or damage.

WARNING! Risk of electric shock if opened or modified. Refer service to qualified personnel.

Regulatory Compliance

FCC Part 15: Class B digital device compliance. CE marked for European safety standards. Manufactured under ISO quality standards. Copyright © Bose Corporation. All trademarks property of Bose Corporation. For technical support, visit www.bose.com or contact Bose Customer Service at 1-800-999-2673.