Bose Acoustimass 7 User Manual

The Bose Acoustimass 7 is a premium home theater speaker system featuring proprietary Acoustimass module technology for deep bass, five Direct/Reflecting cube speakers for immersive surround sound, and a versatile control console. Designed for compatibility with various audio/video receivers, it delivers room-filling audio with minimal visible speakers. 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. System Calibration 8. Care & Maintenance 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Acoustimass bass module, five cube speakers (Front Left, Front Right, Center, Surround Left, Surround Right), control console, speaker cables, and mounting hardware.

Feature	Description
Acoustimass Module	Produces deep, powerful bass without distortion
Direct/Reflecting Cube Speakers	Deliver balanced direct and reflected sound for spacious audio
Control Console	Central hub for speaker connections and system management
Speaker Terminals	Color-coded, secure connections for easy setup
Wall-Mount Capable	Includes brackets for flexible placement of cube speakers
Wide Compatibility	Works with most AV receivers (4-8 ohm compatible)
Bass Control	Adjustable low-frequency output via module controls
High-Efficiency Design	Delivers high output with low amplifier power requirements
Magnetic Shielding	Prevents interference with nearby video displays
Durable Construction	Robust materials for long-term performance

Installation

Unpack and inspect all components. Plan speaker placement for optimal sound.

Position Acoustimass Module: Place near front wall, not in corners, for balanced bass.
Place Cube Speakers: Front L/R: beside or slightly behind TV; Center: above/below TV; Surround L/R: beside or behind listening area.
Connect to Control Console: Use provided cables; match colors (Red to +, Black to -).
Connect Console to Receiver: Use speaker wire from console outputs to receiver's speaker terminals.
Plug module into AC power.

WARNING! Ensure all connections are secure and polarity is correct. Do not place module in enclosed cabinets.

First-Time Setup

Power on your AV receiver; configure speaker settings.

Set Receiver Speaker Settings: Configure for "Small" speakers (cubes) and subwoofer (Acoustimass module).
Adjust Crossover: Set receiver crossover to 80-100 Hz for optimal integration.
Calibrate Levels: Use receiver's test tone and SPL meter (or built-in calibration) to balance all channels.
Fine-Tune Bass: Adjust module's bass control knob to preference (start at 12 o'clock).

CAUTION! Ensure receiver is off when making connections. Handle cube speakers carefully.

Specifications

System Type: 5.1 channel home theater speaker system.
Acoustimass Module: Proprietary bass technology, adjustable output control.
Cube Speakers: Five Direct/Reflecting speakers, magnetically shielded.
Impedance: 4-8 ohms per channel (compatible with most receivers).
Power Handling: 10-200 watts per channel recommended.
Frequency Response: Module: 35-200 Hz; Cubes: 200 Hz - 16 kHz.
Dimensions (each cube): Approx. 3.5" H x 3.5" W x 4.5" D.
Module Dimensions: Approx. 17" H x 10" W x 18" D.
Power Source: 120V AC, 60Hz (module).
Included Accessories: Control console, speaker cables, mounting brackets, user manual.

Controls and Settings

Primary control via your AV receiver. Module features: Power switch, Bass level control knob.

Receiver Settings: Speaker size (Small), Crossover (80-100 Hz), Channel levels, Distance/delay settings.

Control Console: Central connection point with labeled terminals for all speakers and receiver connections.

Bass Adjustment: Use knob on rear of Acoustimass module to increase/decrease low-frequency output based on room acoustics.

Connecting Devices

Connect system to your AV receiver's speaker outputs.

Turn off receiver and unplug from power.
Connect console to receiver: Run speaker wire from console's Front L/R, Center, Surround L/R outputs to corresponding receiver terminals.
Connect cube speakers to console: Use provided cables; match colors to console terminals.
Connect module to console: Use included cable from module to console's "Module" output.
Plug module into AC outlet.

Tip: Keep speaker wires away from power cables to avoid interference. Use wire ties for neat cable management.

System Calibration

For optimal performance, calibrate using your receiver's features.

Access receiver setup menu: Navigate to speaker configuration.
Set all speakers to "Small": This routes bass to Acoustimass module.
Set crossover frequency: 80 Hz recommended; adjust based on room.
Run auto-calibration if available: Use included microphone (if supported by receiver).
Manual calibration: Use test tones and SPL meter to balance channel levels (75 dB reference).
Set speaker distances: Input distance from listening position to each speaker.
Fine-tune bass: Play content with deep bass; adjust module knob until balanced with cubes.

WARNING! Do not set cube speakers to "Large" in receiver settings. Avoid extreme bass levels that may cause distortion.

Care & Maintenance

Unplug module before cleaning. Use dry, soft cloth for cubes and module. Do not use liquids or aerosols.

CAUTION! Do not place liquids on or near speakers. Protect from excessive moisture and heat. Check connections periodically for corrosion.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © Bose Corporation. All rights reserved. Bose and Acoustimass are registered trademarks of Bose Corporation. For support, visit www.bose.com or contact Bose Customer Service at 1-800-999-2673.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No sound from cubes	Loose connections/receiver settings	Check all wire connections; verify receiver is set to correct speaker output.
Weak or no bass	Module power/cable/settings	Ensure module is powered on; check cable to console; verify receiver crossover and speaker size settings.
Distorted sound	Overdriven/incorrect polarity	Reduce volume; check speaker wire polarity (+/-).
Hum or buzz	Ground loop/interference	Ensure all components share same power outlet; separate audio and power cables.
One speaker not working	Faulty cable/connection	Swap cables with working speaker to isolate issue; check receiver channel output.

Reset: Power cycle module and receiver. Re-run receiver calibration if issues persist.

Service: 1-800-999-2673; www.bose.com/support