Bose 901 Series III Direct Reflecting System Owner's Guide

Bose 901 Series III Direct Reflecting Speaker System manual cover

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Bose 901 Series III Direct Reflecting Speaker System Specification

The Bose 901 Series III Direct Reflecting Speaker System is an innovative audio solution that integrates advanced acoustic engineering to deliver immersive sound experiences. This speaker system incorporates a unique design featuring nine full-range drivers per speaker, where eight drivers are oriented towards the rear to reflect sound off walls, and one driver faces forward. This configuration is intended to mimic natural sound dispersion, creating a spacious and lifelike listening experience that simulates live performance acoustics.

The 901 Series III employs a frequency response range that extends from 30 Hz to 15 kHz, ensuring a full spectrum of audio reproduction. This wide range allows for deep bass, clear midrange, and crisp high frequencies, offering a balanced sound output suitable for various music genres. The speakers are designed to handle a continuous power input of up to 250 watts, providing robust performance for both casual listening and high-volume scenarios.

Constructed with durable materials, the cabinets are designed to minimize distortion and enhance sound clarity. The system also includes an active equalizer, which is crucial for optimizing speaker performance by adjusting frequencies to achieve the intended audio output. This feature allows users to tailor the sound to their preference and room acoustics, enhancing versatility and user satisfaction.

The design of the Bose 901 Series III is aesthetically pleasing, featuring a sleek and modern appearance that complements a wide range of interior decors. The speaker system's innovative design and engineering reflect Bose's commitment to delivering high-quality audio experiences, making it a noteworthy option for audiophiles seeking both performance and style in their sound systems.

Bose 901 Series III Direct Reflecting Speaker System F.A.Q.

How do I properly set up the Bose 901 Series III speakers for optimal sound quality?

To set up your Bose 901 Series III speakers, place them about 12 inches from the rear wall and at least 18 inches from the side walls. Ensure the direct/reflecting speakers face towards the listening area and connect them to the Bose equalizer for balanced sound.

What is the correct procedure for connecting the Bose 901 equalizer to my audio system?

Connect the equalizer between your preamplifier and amplifier, using the tape monitor loop if available. Ensure the tape monitor switch is on when playing audio to apply the equalization.

How can I troubleshoot sound distortion issues with my Bose 901 Series III speakers?

Check all connections between the speakers, equalizer, and amplifier. Ensure the equalizer is properly connected and turned on. Verify that the amplifier is not overdriving the speakers and adjust the volume accordingly.

What maintenance is required for the Bose 901 Series III speakers to keep them in good condition?

Dust the speakers regularly and use a damp cloth for cleaning. Avoid exposing them to extreme temperatures and humidity. Inspect the speaker cones and surrounds periodically for wear and tear.

Can I use the Bose 901 Series III speakers with modern audio equipment?

Yes, the Bose 901 Series III speakers can be used with modern audio equipment. Ensure you have the necessary adapters for connecting the equalizer if your equipment lacks a tape monitor loop.

How do I replace a damaged speaker cone in the Bose 901 Series III speakers?

To replace a damaged speaker cone, remove the grille and unscrew the faulty speaker. Disconnect the wiring and install the new speaker cone by reversing the process. Ensure all connections are secure.

What should I do if the Bose 901 equalizer is not functioning correctly?

Check the power connection to ensure the equalizer is receiving power. Inspect all audio connections and replace any faulty cables. If problems persist, consult a professional technician for further diagnosis.

How do I adjust the sound settings on the Bose 901 Series III speakers for different room acoustics?

Use the equalizer to adjust bass and treble settings based on room acoustics. Experiment with speaker placement to find the best sound quality and make incremental adjustments to the equalizer settings.

Are there any specific precautions to take when moving the Bose 901 Series III speakers?

When moving the speakers, handle them carefully to avoid damaging the speaker cones. Use the original packaging if available, and avoid exposing them to shocks or drops.

How can I test if my Bose 901 Series III speakers are working properly?

Play audio through the speakers and listen for any distortion or imbalance in sound. Check each speaker individually by disconnecting one at a time to ensure they all produce sound. Use test tones if available.