Introduction
This manual provides essential information for the proper installation, operation, and maintenance of your Skar Audio EVL-12 D4 12-inch car subwoofer. Please read this manual thoroughly before attempting installation or use to ensure optimal performance and product longevity. Retain this manual for future reference.
Safety Information
WARNING: Improper installation or use of this product can result in serious injury or property damage. Professional installation is highly recommended.
- Always disconnect the vehicle's battery before beginning any electrical work.
- Ensure all wiring is properly routed and secured to prevent damage from sharp edges or moving parts.
- Use appropriate gauge wiring for power, ground, and speaker connections to prevent overheating and potential fire hazards.
- Do not operate the subwoofer beyond its rated power handling capabilities.
- Avoid prolonged exposure to extremely high sound pressure levels, which can cause permanent hearing damage.
- Keep the subwoofer away from moisture and extreme temperatures.
Setup and Installation
Proper installation is crucial for the performance and durability of your subwoofer. If you are unsure about any aspect of the installation process, consult a qualified car audio professional.
Unpacking and Inspection
Carefully remove the subwoofer from its packaging. Inspect the unit for any signs of damage that may have occurred during shipping. If damage is present, contact your retailer immediately.
Enclosure Requirements
The Skar Audio EVL-12 D4 subwoofer is designed for use in a sealed or ported enclosure. Refer to the manufacturer's recommended enclosure specifications for optimal performance. An appropriately sized and constructed enclosure is vital for proper bass response and to prevent damage to the subwoofer.
Wiring Configurations
The EVL-12 D4 features a dual 4-ohm voice coil. The wiring configuration will depend on the impedance requirements of your amplifier. Below are common wiring options:
- 1-Ohm Parallel Wiring: 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 to the amplifier's positive output and the combined negative to the amplifier's negative output. This results in a 1-ohm load.
- 8-Ohm Series Wiring: 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. This results in an 8-ohm load.
Always verify the final impedance with a multimeter before connecting to an amplifier. Ensure your amplifier is stable at the chosen impedance.
Image: Angled front view of the Skar Audio EVL-12 D4 12-inch subwoofer, showcasing the cone and surround.
Image: Top-down view of the Skar Audio EVL-12 D4 12-inch subwoofer with dimensions indicated, showing a 15-inch width and depth, and a 12-inch height.
Operating Instructions
Break-in Period
It is recommended to allow a break-in period for your new subwoofer. During the first 20-30 hours of use, operate the subwoofer at moderate volume levels. This allows the suspension components (surround and spider) to loosen and reach their optimal compliance, improving long-term performance and durability.
Amplifier Gain Setting
Properly setting your amplifier's gain is critical. The gain control is not a volume knob; it matches the output voltage of your source unit to the input sensitivity of your amplifier. Incorrect gain settings can lead to signal clipping, which can severely damage your subwoofer.
- Start with the amplifier gain at its minimum setting.
- Play a test tone (e.g., 50 Hz at 0 dB) or music with a wide dynamic range at about 75% of your head unit's maximum volume.
- Slowly increase the amplifier gain until you hear any distortion or clipping. Then, reduce the gain slightly until the sound is clear.
- Never increase the gain beyond the point of audible distortion.
Maintenance
The Skar Audio EVL-12 D4 subwoofer requires minimal maintenance. Regular inspection and proper care will ensure its longevity.
- Cleaning: Use a soft, dry cloth to wipe down the subwoofer cone and frame. Avoid using harsh chemicals or excessive moisture.
- Inspection: Periodically check all wiring connections to ensure they are secure and free from corrosion. Inspect the subwoofer's surround and cone for any tears, punctures, or signs of fatigue.
- Environment: Ensure the subwoofer is installed in an environment free from excessive dust, moisture, and direct sunlight, which can degrade materials over time.
Troubleshooting
If you experience issues with your subwoofer, refer to the following common troubleshooting steps before contacting technical support.
| Problem | Possible Cause | Solution |
|---|---|---|
| No Sound from Subwoofer |
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| Distorted or Unclear Sound |
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| Subwoofer Overheating |
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Specifications
The following table outlines the key specifications for the Skar Audio EVL-12 D4 12-inch Subwoofer:
| Feature | Specification |
|---|---|
| Model Name | EVL-12 D4 |
| Speaker Type | Subwoofer |
| Subwoofer Diameter | 12 Inches |
| Peak Power | 2,500 Watts |
| RMS Power | 1,250 Watts |
| Voice Coil | 3" High Temperature Dual 4-ohm |
| Cone Material | Competition Grade Paper |
| Surround Material | High Roll Foam |
| Fs (Resonance Frequency) | 40 Hz |
| Sensitivity | 85.3 dB |
| Frequency Response Range | 25 Hz - 250 Hz |
| Xmax (One-way) | 23.5 mm |
| Impedance | Dual 4 Ohm |
| Product Dimensions (D x W x H) | 15"D x 15"W x 12"H |
| Item Weight | 33.3 pounds (15.15 Kilograms) |
| Manufacturer | Skar Audio |
| UPC | 767408281348 |
Warranty and Support
Skar Audio products are designed for reliability and performance. This product comes with a limited warranty. For specific warranty terms and conditions, please refer to the warranty information provided with your purchase or visit the official Skar Audio website.
For technical assistance, troubleshooting beyond this manual, or warranty claims, please contact Skar Audio customer support directly. Have your product model number and purchase information ready when contacting support.
Online Resources: For additional information, FAQs, and support, visit the Skar Audio Store on Amazon or the official Skar Audio website.
