Bose Acoustimass 6 II Manual

The Bose Acoustimass 6 II is a premium home theater speaker system featuring direct/reflecting cube speakers and an Acoustimass bass module. This system delivers spacious, lifelike sound for movies and music. 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 Connections 6. Connecting to Audio/Video Components 7. System Calibration 8. Care & Maintenance 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Four direct/reflecting cube speakers, one center channel speaker, Acoustimass bass module, speaker cables, and mounting hardware.

FeatureDescription
Direct/Reflecting Cube SpeakersDeliver spacious, room-filling sound
Acoustimass Bass ModuleProduces deep, impactful low frequencies
Center Channel SpeakerEnhances dialogue clarity for movies/TV
Magnetic ShieldingPrevents interference with TV displays
Speaker ConnectorsColor-coded push-type connectors for easy setup
Mounting OptionsIncludes brackets for wall or shelf placement
Power RequirementsBass module requires AC power connection
System CompatibilityWorks with most AV receivers and amplifiers
WarrantyLimited warranty included
User ControlsBass module level control

Installation

Unpack and inspect all components. Choose optimal speaker placement.

  1. Position cube speakers: Place front left/right and surround left/right at ear level.
  2. Place center speaker: Above or below TV, centered with screen.
  3. Position bass module: Place along a wall, away from corners for balanced bass.
  4. Connect speakers: Use provided cables with color-coded connectors.
  5. Connect to receiver: Match speaker outputs to corresponding inputs.
  6. Plug bass module into AC power.

WARNING! Ensure all connections are secure before powering on. Do not place bass module in enclosed spaces.

First-Time Setup

Power on your AV receiver and follow these steps.

  1. Configure receiver: Set speaker size to "Small" for all cubes, "Large" for bass module.
  2. Set crossover: Configure receiver crossover to 80-100Hz.
  3. Run auto-calibration: If receiver has room correction, run setup microphone.
  4. Adjust bass level: Use bass module control knob to match room acoustics.
  5. Test all channels: Play test tones to ensure all speakers are working.

CAUTION! Keep speaker cables away from power cords to avoid interference.

Specifications

Controls and Connections

Bass module features: Power switch, level control knob, AC power input, speaker wire inputs.

Speaker Connections: Color-coded (red/black) push connectors. Match to receiver outputs: Front L/R, Center, Surround L/R.

Receiver Settings: Speaker size (Small), crossover frequency (80-100Hz), channel levels. Bass Module: Level control adjusts bass output to match room. Power: Switch on bass module rear panel.

Connecting to Audio/Video Components

Compatible with most AV receivers, amplifiers, and home theater processors.

  1. Turn off all components before connecting.
  2. Connect speaker wires: From receiver speaker outputs to corresponding speaker inputs.
  3. Connect bass module: Speaker wire from receiver subwoofer output to bass module input.
  4. Power connections: Plug bass module into AC outlet.
  5. Power sequence: Turn on bass module first, then receiver.

Tip: Use high-quality speaker wire for best performance. Keep runs as short as possible.

System Calibration

Optimize sound for your room.

  1. Receiver setup: Use built-in test tones and SPL meter (or auto-calibration).
  2. Level matching: Adjust each channel to 75dB at listening position.
  3. Bass adjustment: Set bass module level to blend seamlessly with cube speakers.
  4. Distance settings: Enter speaker distances in receiver setup menu.
  5. Crossover: Set to 80Hz for optimal integration.
  6. Room correction: Run any available room EQ if supported.
  7. Fine-tuning: Adjust based on listening preferences.

WARNING! Avoid extreme bass levels that could damage speakers or disturb neighbors.

Care & Maintenance

Unplug system before cleaning. Use soft, dry cloth for speakers. Do not use liquids or chemicals.

CAUTION! Do not expose speakers to moisture or extreme temperatures. Keep bass module vents clear.

Regulatory Information

FCC Compliance: Class B digital device; complies with interference limits. Copyright © Bose Corporation. All rights reserved. For support, visit www.bose.com or contact Bose customer service. Patents pending and issued.

Troubleshooting

SymptomPossible CauseCorrective Action
No sound from speakersConnection/power issuesCheck all wire connections; ensure receiver and bass module are powered on.
Weak or no bassBass module settings/connectionsVerify bass module power and input connections; adjust level control; check receiver subwoofer settings.
Distorted soundOverdriven amplifierReduce receiver volume; check speaker wire for shorts.
Hum or buzzGround loop/interferenceEnsure all components share same ground; separate audio and power cables.
One speaker not workingWire connectionCheck wire connections at both speaker and receiver ends; test with known working speaker.

Reset: Power cycle all components. Check receiver factory reset if issues persist.

Service: Contact Bose customer support or authorized service center.

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