Unveiling the complexities of the Bose L1 Model II sound system, this comprehensive guide will lead you through the intricate process of opening its enigmatic exterior. With meticulous precision and clear instructions, you’ll embark on a journey to reveal the inner workings of this acoustic masterpiece. Prepare to delve into the hidden depths of the L1 Model II, unraveling the secrets that lie within its sleek and sophisticated shell.
Transitioning from the allure of the exterior to the intricacies within, we begin by addressing the fundamental aspect of opening the L1 Model II. Grasp the top and bottom edges of the main speaker enclosure, ensuring a firm but gentle grip. With controlled downward pressure, carefully slide the speaker assembly out of the base unit. This delicate maneuver requires patience and finesse, as the speaker is securely held in place by precision-engineered brackets. Once the speaker assembly is successfully extracted, you’ll gain unrestricted access to the internal components, paving the way for further exploration.
Venturing deeper into the L1 Model II’s anatomy, we encounter the power distribution module, the heart of the system’s electrical operation. This module is conveniently located at the rear of the base unit, easily accessible once the speaker assembly is removed. Disconnect any cables connected to the module, including the AC power cord, speaker wires, and control cables. With the power distribution module isolated, you can proceed to detach it from the base unit’s chassis, allowing you to inspect, troubleshoot, or replace components as needed. Throughout this process, meticulous attention to detail and adherence to the designated sequence of steps are paramount to ensure a successful and safe disassembly.
Unboxing the Bose L1 Model II
Before Unboxing
Take a moment to remove the Bose L1 Model II from its packaging. Carefully lift the speaker out of the box, taking care not to damage the delicate components.
Unpacking the Speaker
Once you have the speaker out of the box, you will see that it is divided into two main sections: the lower speaker array and the upper column array. The lower speaker array contains the powerful woofers that deliver deep, thunderous bass, while the upper column array houses the mid-range and high-frequency drivers that provide clear, articulate sound.
To separate the two sections, locate the release lever on the back of the lower speaker array. Press the lever and gently lift the upper column array off the lower section. Be sure to support the upper array with one hand while you lift.
Removing the Protective Covers
Now, remove the protective covers from both the lower speaker array and the upper column array. These covers are designed to protect the components during shipping, so remove them before you set up your system.
To remove the cover from the lower speaker array, simply pull it straight up. To remove the cover from the upper column array, slide it down toward the base of the array.
Removing the Packaging
The Bose L1 Model II sound system comes in a sturdy cardboard box that protects the components during shipping. To unpack the system, follow these steps:
- Locate the cardboard box containing the Bose L1 Model II system.
- Carefully open the top flaps of the box and remove the top packaging material.
- Lift the speaker tower out of the box and place it on a stable surface.
- Remove the remaining packaging material from the speaker tower.
- Locate the power cord, audio cable, and other accessories in the packaging material.
- Uncoil the power cord and audio cable and connect them to the appropriate ports on the speaker tower.
- Connect the other end of the audio cable to your audio source.
- Plug the power cord into a power outlet.
- Turn on the speaker tower and your audio source.
Additional Tips for Removing the Packaging
* Be careful when lifting the speaker tower out of the box. The speaker is heavy and awkward, so it is best to lift it with two people.
* Do not discard the packaging material until you have verified that all of the components of the system are present and undamaged.
* If you encounter any problems while unpacking the system, consult the user manual or contact Bose customer service for assistance.
Setting Up the Speaker Stand
1. Unpack and Inspect the Stand Components
Locate the box containing the speaker stand components and carefully unpack them. Check if all the parts are present and in good condition.
2. Attach the Legs to the Base Plate
Flip the base plate upside down and align the leg brackets with the corresponding holes on the bottom of the plate. Secure the legs with the provided screws using a wrench or screwdriver.
3. Assemble the Speaker Array and Mount it on the Stand
a. Connecting the Array Modules
Join the L1 Model II array modules together by sliding them side by side. Align the modules’ pins with the corresponding holes and gently push them together until they click into place.
b. Attaching the Array to the Stand
Locate the mounting bracket at the top of the speaker stand. Align the L1 Model II array with the bracket and lift it into place. Secure the array by tightening the two thumbscrews on the sides of the bracket until they are snug.
c. Adjusting the Array Tilt
Once the array is mounted, adjust its tilt angle to optimize the sound dispersion. Loosen the tilt adjustment knob on the rear of the array slightly. Tilt the array up or down to the desired angle, then tighten the knob to secure the position.
Attaching the Subwoofer
To attach the Subwoofer to the L1 Model II, follow these steps:
1. Slide the Subwoofer onto the Bose Link Adaptor
Align the Subwoofer with the Bose Link Adaptor and slide it into place until it clicks securely.
2. Tighten the Subwoofer screws
Using the provided wrench, tighten the two screws located on the bottom of the Subwoofer to secure it to the Bose Link Adaptor.
3. Connect the Bose Link Adaptor to the Power Stand
Insert the Bose Link Adaptor into the Power Stand and ensure it locks in place with a click.
4. Extended Low-Frequency Performance
To enhance the low-frequency performance of the system, you can adjust the crossover frequency from 80Hz (default) to 120Hz or 160Hz using the ToneMatch Audio Engine. This allows for customization based on the desired sound profile and venue acoustics.
| Crossover Frequency | |
|---|---|
| 80Hz | Standard setting, suitable for most applications, provides a balanced sound with extended low-frequency response. |
| 120Hz | Recommended for use when the L1 Model II is used in smaller spaces or for vocal-focused performances, as it reduces the amount of low-end buildup. |
| 160Hz | Ideally suited for large venues or situations where a more pronounced low-end response is desired. |
Connecting the Power Cable
To power up your Bose L1 Model II system, follow these steps:
1. Locate the Power Input Jack
On the rear panel of the Bose L1 Model II, you’ll find the power input jack labeled “AC IN.”
2. Choose the Correct Power Cord
Make sure to use the power cord that came with your Bose L1 Model II system. It’s specifically designed to meet the electrical requirements of the system.
3. Plug the Power Cord into the Jack
Align the power cord connector with the power input jack on the rear panel and insert it firmly until it clicks into place.
4. Plug the Power Cord into an Outlet
Connect the other end of the power cord to a grounded electrical outlet. Make sure the outlet is compatible with the voltage and current requirements of your system.
5. Power On the System
Once the power cord is properly connected to the system and the power outlet, you can turn on the Bose L1 Model II by pressing the power button located on the front panel. The power button will illuminate when the system is powered on.
Connecting Audio Sources
1. Power On: Ensure the L1 Model II is turned on and connected to a power outlet. The power switch is located on the top of the unit.
2. Select Input Mode: Use the Input Mode button on the top panel to select the desired audio input mode. The options are Mic/Line, Aux, or Bluetooth.
3. Mic/Line Input: Connect a microphone or instrument to the XLR or TRS jack on the rear panel. Adjust the gain using the Mic/Line Gain knob on the top panel.
4. Aux Input: Connect an audio source to the Aux jack on the rear panel. The Aux Input is a 3.5mm stereo jack that accepts a TRS or TS cable.
5. Bluetooth Pairing: Press and hold the Bluetooth button on the top panel to put the Bose L1 Model II into pairing mode. Activate Bluetooth on your mobile device and select the “Bose L1 Model II” from the available devices. Once paired, you can stream audio wirelessly from your device.
6. Bose Link Input: Bose Link is a proprietary connection technology that allows you to daisy-chain multiple Bose products for expanded sound coverage. To use this feature, connect the Bose Link cable (sold separately) from the Bose Link Output jack on the rear panel of the L1 Model II to the Bose Link Input jack on another compatible Bose speaker. This allows you to output a single audio source to multiple speakers simultaneously.
| Input | Connector | Gain Control |
|---|---|---|
| Mic/Line | XLR or TRS | Mic/Line Gain |
| Aux | 3.5mm TRS or TS | – |
| Bluetooth | Wireless | – |
| Bose Link | Proprietary cable | – |
Positioning the Speaker
To achieve optimal sound quality from your Bose L1 Model II system, it’s crucial to position the speaker correctly within your performance or presentation space. Here are the recommended positioning guidelines:
Height:
The speaker should be placed at a height that allows the sound to reach the audience’s ears without obstruction. Ideally, the speaker should be positioned on a stand or platform that elevates it to approximately ear level.
Distance from Audience:
The speaker should be placed far enough away from the audience to avoid excessive sound levels in the near field, while still ensuring that the sound can be heard clearly throughout the space. The optimal distance will vary depending on the size of the room or venue.
Angle:
The speaker should be pointed slightly upward (typically at an angle of 10-15 degrees) so that the sound is projected over the heads of the audience and evenly distributed throughout the space.
Orientation:
For optimal coverage, the speaker should be positioned with its sides facing the desired listening area. Avoid placing the speaker near walls or corners, as this can create reflections and interfere with sound quality.
Support:
The speaker should be placed on a stable surface that can support its weight and prevent vibrations. Avoid placing the speaker on uneven or unstable surfaces.
Environmental Factors:
Keep the speaker away from direct sunlight, excessive heat, and moisture. These factors can damage the speaker and affect sound quality.
Subwoofer Placement:
If using a subwoofer with the Bose L1 Model II system, place it on the floor beneath the main speaker. The subwoofer should be positioned in the center of the listening area, facing the audience. This placement will ensure that the bass frequencies are evenly distributed throughout the space.
| Positioning Aspect | Recommended Guidelines |
|---|---|
| Height | Approximately ear level |
| Distance from Audience | Varies depending on room size |
| Angle | 10-15 degrees upward |
| Orientation | Sides facing the listening area |
| Support | Stable and vibration-free surface |
| Environmental Factors | Avoid direct sunlight, heat, and moisture |
| Subwoofer Placement | Floor beneath main speaker, facing audience |
Connecting to External Sources
Connect the L1 Model II to external audio sources via the XLR, 1/4-inch TRS, or RCA inputs. Ensure proper level matching by adjusting the input gain controls on the rear panel.
Optimizing Placement
For optimum performance, position the L1 Model II in a central location, facing the audience. Avoid placing obstacles in front of the speaker to ensure sound clarity and dispersion.
Adjusting Tone Controls
The L1 Model II features a 2-band EQ (bass and treble) on the rear panel. Use these controls to fine-tune the sound to match the acoustics of the venue and personal preferences.
Managing Feedback
To prevent feedback, position the L1 Model II away from reflective surfaces and adjust the input gain levels accordingly. Consider using feedback filters or external feedback suppression systems.
Using the Stereo Expander
Enable the stereo expander on the rear panel to enhance the stereo separation and perceived width of the soundstage. This feature is beneficial for applications where a wider sound dispersion is desired.
Customizing Tone via Bose L1 Mix App
Download and install the Bose L1 Mix app on a compatible mobile device. The app provides advanced tone customization options, including presets, EQ settings, and real-time adjustments.
Optimizing Bass/Treble
In addition to the rear-panel tone controls, the L1 Model II can customize bass and treble response through the Bose L1 Mix app. Use the app to fine-tune the frequencies, bandwidths, and slopes of the EQ curves for optimal sound quality.
Looping the Output
Connect an external audio source to the output loop through to send the signal to other devices or equipment simultaneously without altering the volume or EQ settings of the primary output.
| Input Type | Connector Type |
|---|---|
| Balanced Mic/Line | XLR, 1/4-inch TRS |
| Unbalanced Line | RCA |
Troubleshooting Common Issues
Power Issues
* Ensure the power cord is securely connected to both the outlet and the L1 Model II.
* Check if the power outlet is functioning properly by connecting a different device.
* Reset the loudspeaker by unplugging it and waiting a few minutes before reconnecting.
Audio Issues
* Verify that the audio source is properly connected to the L1 Model II.
* Adjust the volume knob on the loudspeaker and the source device.
* Check if the source device is muted or has the volume set too low.
* Ensure that the audio cables are not damaged or loose.
Bluetooth Connectivity Issues
* Make sure Bluetooth is enabled on the source device.
* Ensure that the L1 Model II is in pairing mode by pressing and holding the Bluetooth button.
* Reset the Bluetooth connection by forgetting the L1 Model II from the source device and re-pairing.
No Sound from Subwoofer
* Check if the volume knob on the subwoofer is set to “0.”
* Verify that the subwoofer is connected to the loudspeaker and the power outlet.
* Ensure that the subwoofer cable is not damaged or loose.
* Try connecting a different subwoofer cable to rule out a cable issue.
Remote Control Not Working
* Replace the batteries in the remote control.
* Clean the battery terminals with a cotton swab dipped in rubbing alcohol.
* Make sure there are no obstructions between the remote control and the L1 Model II.
ToneMatch EQ Settings Not Saving
* Ensure that the ToneMatch EQ is in “Write” mode by pressing the “Write” button.
* Wait for the “Saved” indicator to appear on the display.
* Exit the ToneMatch EQ menu.
Care and Maintenance
1. Cleaning the Enclosure
Use a soft, damp cloth to wipe down the enclosure. Avoid using abrasive cleaners or solvents, as these can damage the finish.
2. Cleaning the Grille
To clean the grille, use a vacuum cleaner with a soft brush attachment. You can also remove the grille and gently brush away any dust or debris.
3. Cleaning the Speaker Drivers
Do not attempt to clean the speaker drivers yourself. If they become damaged, you should contact a qualified technician for assistance.
4. Storing the System
When not in use, store the system in a cool, dry place. Avoid exposing it to extreme temperatures or moisture.
5. Inspecting the Cables
Periodically inspect the cables for any signs of damage. If you find any frayed or damaged cables, replace them immediately.
6. Updating the Firmware
Bose regularly releases firmware updates for the L1 Model II system. These updates can improve the performance and functionality of your system. Check the Bose website for the latest firmware updates.
7. Troubleshooting
If you encounter any problems with your L1 Model II system, consult the user manual or contact Bose customer support for assistance.
8. Ear Protection
Exposure to loud noise can damage your hearing. When using the L1 Model II system, take precautions to protect your ears from excessive noise levels.
9. Power Requirements
The L1 Model II system requires a standard AC power outlet. Ensure that the power outlet is properly grounded and capable of providing adequate power for the system.
10. Additional Care and Maintenance Tips
| Tip | Description |
|---|---|
| Use a surge protector | Protect your system from power surges and spikes. |
| Handle the system with care | Avoid dropping or bumping the system, as this can damage the speakers or other components. |
| Keep the system away from children and pets | Children and pets can accidentally damage the system. |
| Avoid using the system in extreme weather conditions | Extreme temperatures, moisture, or direct sunlight can damage the system. |
How to Open the Bose L1 Model II
The Bose L1 Model II is a portable PA system that is designed for use in a variety of settings. It is a compact and lightweight system that is easy to set up and transport. The L1 Model II consists of two main components: a subwoofer and a satellite speaker array. The subwoofer is responsible for providing the low-frequency sound, while the satellite speaker array provides the mid-range and high-frequency sound.
To open the Bose L1 Model II, follow these steps:
1.
Locate the two release levers on the back of the subwoofer. These levers are located on either side of the power cord input.
2.
Pull the two release levers outward. This will release the subwoofer from the satellite speaker array.
3.
Lift the subwoofer up and away from the satellite speaker array. The subwoofer is now open.
People Also Ask About How to Open the Bose L1 Model II
How do I remove the satellite speaker array from the subwoofer?
To remove the satellite speaker array from the subwoofer, follow these steps:
1.
Locate the two release buttons on the top of the subwoofer. These buttons are located on either side of the carrying handle.
2.
Press the two release buttons inward. This will release the satellite speaker array from the subwoofer.
3.
Lift the satellite speaker array up and away from the subwoofer. The satellite speaker array is now removed.
How do I reassemble the Bose L1 Model II?
To reassemble the Bose L1 Model II, follow these steps:
1.
Place the subwoofer on the ground.
2.
Align the satellite speaker array with the subwoofer.
3.
Lower the satellite speaker array onto the subwoofer. The satellite speaker array will automatically lock into place.
4.
Secure the satellite speaker array by pressing the two release buttons on the top of the subwoofer.
