1. Introduction and Overview
This manual provides essential information for the proper installation, operation, and maintenance of your Focal SUB10DUAL 10-inch Dual 4-Ohm Voice Coil Subwoofer. Designed for powerful and deep bass reproduction, this subwoofer features a robust design and a dual voice coil configuration for flexible wiring options and enhanced performance.
Key features include:
- Deep and powerful bass reproduction.
- Versatile for use in bass-reflex or sealed enclosures.
- Minimum sealed box volume from 10 liters.
- Parallel voice coil connection for increased Sound Pressure Level (SPL).
- Robust construction for durability.
2. Safety Information
Please read and understand all safety instructions before installing or operating this product. Failure to do so may result in injury or damage to the equipment.
- Professional Installation Recommended: For optimal performance and safety, it is highly recommended that this subwoofer be installed by a qualified professional.
- Avoid High Volumes: Prolonged exposure to high sound pressure levels can cause permanent hearing damage. Always listen at moderate levels.
- Proper Wiring: Ensure all wiring is correctly connected and insulated to prevent short circuits, electrical fires, or damage to the amplifier and subwoofer. Refer to the wiring diagrams in this manual.
- Secure Mounting: The subwoofer must be securely mounted to prevent it from becoming a projectile in the event of sudden stops or collisions.
- Ventilation: Ensure adequate ventilation around the subwoofer and amplifier to prevent overheating.
3. Package Contents
Carefully unpack your Focal SUB10DUAL subwoofer and check that all items are present and in good condition. If any items are missing or damaged, contact your dealer immediately.
- 1x Focal SUB10DUAL 10-inch Subwoofer
4. Installation and Setup
Proper installation is crucial for the performance and longevity of your subwoofer. Consider the following guidelines:
4.1 Mounting
The SUB10DUAL is designed for flush mounting. Ensure the mounting surface is rigid and capable of supporting the subwoofer's weight. Create an opening of the appropriate diameter, ensuring a snug fit. Use appropriate fasteners to secure the subwoofer firmly.
4.2 Enclosure Recommendations
This subwoofer is effective in both sealed and bass-reflex enclosures. The minimum recommended sealed box volume is 10 liters. Consult with a professional installer or refer to specialized audio resources for optimal enclosure design based on your desired sound characteristics and vehicle acoustics.
4.3 Subwoofer Components Diagram
Understanding the components of your subwoofer can aid in installation and troubleshooting.
Image Description: A detailed diagram illustrating the various components of the Focal SUB10DUAL subwoofer, including the butyl surround, steel chassis, polypropylene cone, spider decompression, and push terminals. Each component is labeled with its function, such as 'Superior resistance' for the butyl surround and 'Rigid and compact' for the steel chassis.
5. Wiring Configurations
The Focal SUB10DUAL features a dual 4-ohm voice coil, offering flexibility in wiring to match your amplifier's impedance requirements. Always ensure the amplifier is stable at the chosen impedance.
5.1 Parallel Wiring (2 Ohms)
Connecting the two 4-ohm voice coils in parallel will result in a 2-ohm load. This configuration is often used to maximize power output from amplifiers that are stable at 2 ohms, leading to higher Sound Pressure Level (SPL).
- Connect the positive terminal of Voice Coil 1 to the positive terminal of Voice Coil 2.
- Connect the negative terminal of Voice Coil 1 to the negative terminal of Voice Coil 2.
- Connect the combined positive terminals to the amplifier's positive output.
- Connect the combined negative terminals to the amplifier's negative output.
5.2 Series Wiring (8 Ohms)
Connecting the two 4-ohm voice coils in series will result in an 8-ohm load. This configuration is suitable for amplifiers that require a higher impedance load or when multiple subwoofers are used in a system.
- Connect the positive terminal of Voice Coil 1 to the amplifier's positive output.
- Connect the negative terminal of Voice Coil 1 to the positive terminal of Voice Coil 2.
- Connect the negative terminal of Voice Coil 2 to the amplifier's negative output.
Important: Always verify the final impedance with a multimeter before connecting to an amplifier. Incorrect impedance can damage your amplifier or subwoofer.
6. Operating Instructions
6.1 Initial Use and Break-in
Like all new speakers, your subwoofer requires a break-in period to achieve optimal performance. During the first few hours of use (approximately 10-20 hours), operate the subwoofer at moderate volume levels. This allows the suspension components to loosen and settle, improving bass response and overall sound quality.
6.2 Amplifier Settings
Properly setting your amplifier's gain, crossover, and phase controls is essential for integrating the subwoofer seamlessly with your main speakers. Consult your amplifier's manual for detailed instructions. Start with low gain settings and gradually increase until the desired bass level is achieved without distortion.
7. Maintenance
Your Focal SUB10DUAL subwoofer requires minimal maintenance to ensure long-lasting performance.
- Cleaning: Use a soft, dry cloth to gently wipe the cone and surround. Avoid using harsh chemicals or abrasive cleaners.
- Inspection: Periodically inspect the wiring connections for tightness and corrosion. Check the cone and surround for any signs of damage or wear.
- Environment: Protect the subwoofer from extreme temperatures, direct sunlight, and moisture.
8. Troubleshooting
If you experience issues with your subwoofer, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No Sound | No power to amplifier; incorrect wiring; amplifier in protect mode; source unit issue. | Check amplifier power and ground connections. Verify all wiring connections to the subwoofer and amplifier. Check amplifier fuses. Ensure source unit is sending an audio signal. |
| Distorted Sound | Gain set too high; incorrect crossover settings; damaged voice coil; enclosure issues. | Reduce amplifier gain. Adjust crossover frequency. Inspect subwoofer cone and surround for damage. Ensure enclosure is sealed and free of air leaks (if applicable). |
| Weak Bass | Incorrect phase setting; insufficient power; improper enclosure volume. | Adjust amplifier phase control (0 or 180 degrees). Ensure amplifier provides adequate power for the subwoofer. Verify enclosure volume matches recommendations. |
| Subwoofer Overheating | Under-powered amplifier; impedance mismatch; prolonged high volume use. | Ensure amplifier power matches subwoofer RMS rating. Verify correct impedance wiring. Reduce listening volume. Ensure adequate ventilation. |
If the problem persists after attempting these solutions, contact your authorized Focal dealer or a qualified service technician.
9. Specifications
Detailed technical specifications for the Focal SUB10DUAL subwoofer:
| Specification | Detail |
|---|---|
| Brand | Focal |
| Model Name | SUB10DUAL |
| Speaker Type | Subwoofer, Surround Sound |
| Special Feature | Hi Res Audio |
| Subwoofer Diameter | 10 Inches (25 Centimeters) |
| Speaker Maximum Output Power | 500 Watts (MAX) |
| RMS Power Handling | 250 Watts |
| Voice Coil Configuration | Dual 4-Ohm |
| Material | Steel, Polypropylene |
| Connectivity Technology | Wired |
| Product Dimensions | 18"D x 8"W x 14"H |
| Item Weight | 8.67 pounds |
| Mounting Type | Flush Mount |
| Included Components | SUB10DUAL |
| Manufacturer | Focal |
| Date First Available | September 7, 2022 |
10. Warranty and Support
The Focal SUB10DUAL subwoofer comes with a limited warranty. For specific details regarding warranty coverage, duration, and terms, please refer to the warranty card included with your product or contact your authorized Focal dealer. Keep your proof of purchase for warranty claims.
Customer Support
For technical assistance, troubleshooting, or service inquiries, please contact your authorized Focal dealer or visit the official Focal website for support resources.
11. Product Images
Visual references for the Focal SUB10DUAL subwoofer:
