1. Product Overview
The Electro-Voice EKX-18SP is a high-performance 18-inch powered subwoofer designed for professional sound reinforcement. It combines EV's renowned sound quality and reliability with advanced technology, making it suitable for a variety of applications including live music, DJ events, clubs, and installed sound systems. This subwoofer delivers powerful low-frequency extension and is equipped with features that enhance performance and ease of use.
Key Features:
- QuickSmartDSP: Features best-in-class processing, EV’s signature single-knob user interface, and intuitive menu navigation via LCD for easy control and optimization.
- Cardioid Control Technology: Allows sound output to be directed towards the audience, providing up to 35 dB reduction on stage when multiple subwoofers are used, minimizing unwanted stage rumble.
- High-Efficiency 1300W Class D Amplifier: Delivers up to 134 dB peak SPL, ensuring powerful and clear bass reproduction through high-sensitivity transducers.
- Intelligent Thermal Management: A variable-speed fan, controlled by multiple onboard sensors, ensures superior performance and reliability even in demanding environmental conditions.
- Versatile Connectivity: Equipped with two XLR outputs for easy system expansion to additional loudspeakers or subwoofers and large slot ports for low distortion and excellent bass extension.
2. What's in the Box
- Electro-Voice EKX Series EKX-18SP Subwoofer System
- Power Cable
- User Manual (this document)
3. Setup
3.1 Unpacking and Placement
Carefully remove the EKX-18SP subwoofer from its packaging. Inspect the unit for any signs of damage. Place the subwoofer on a stable, level surface. For optimal bass response, consider placing the subwoofer in a corner or against a wall. Ensure adequate ventilation around the amplifier panel.
Image: Angled top view of the Electro-Voice EKX-18SP subwoofer, showing its robust construction and top-mounted pole cup.
3.2 Power Connection
- Ensure the subwoofer's power switch is in the OFF position.
- Connect the provided power cable to the AC inlet on the rear panel of the subwoofer.
- Plug the other end of the power cable into a grounded electrical outlet.
3.3 Audio Connections
The EKX-18SP features versatile input and output options for integration into various sound systems.
Image: Close-up of the rear control panel of the Electro-Voice EKX-18SP subwoofer, highlighting the QuickSmartDSP LCD, input/output connectors, and power switch.
- Inputs: Connect your audio source (e.g., mixer, soundboard) to the XLR/TRS combo input jacks (Input 1 and Input 2) on the rear panel.
- Outputs: Use the XLR output jacks (Output 1 and Output 2) to send a processed signal to full-range loudspeakers or additional subwoofers.
4. Operating Instructions
4.1 Powering On/Off
- To power on, flip the power switch to the ON position. The QuickSmartDSP LCD will illuminate.
- To power off, flip the power switch to the OFF position.
4.2 QuickSmartDSP Control
The QuickSmartDSP provides intuitive control over various parameters:
- Menu Navigation: Use the single-knob interface to scroll through menus and select options on the LCD.
- Presets: Select from factory presets optimized for different applications (e.g., Music, Live, Speech) or create and save your own custom settings.
- Subwoofer Matching: If using with other EV EKX series loudspeakers, the DSP can automatically apply settings for optimal system integration.
- Cardioid Control: Activate Cardioid Control Technology through the DSP menu when using multiple subwoofers to reduce rearward sound radiation.
- Volume Control: Adjust the overall output level of the subwoofer using the main volume control.
4.3 System Expansion
Utilize the XLR outputs to connect to other powered speakers or subwoofers. The DSP allows for signal routing and processing to ensure a cohesive sound system.
5. Maintenance
Regular maintenance ensures the longevity and optimal performance of your EKX-18SP subwoofer.
- Cleaning: Use a soft, dry cloth to clean the exterior of the subwoofer. Avoid abrasive cleaners or solvents.
- Ventilation: Ensure that the amplifier panel's vents are clear of dust and debris to prevent overheating.
- Storage: When not in use, store the subwoofer in a dry, temperature-controlled environment. Consider using a protective cover to prevent dust accumulation and physical damage.
- Cable Inspection: Periodically check all audio and power cables for wear and tear. Replace damaged cables immediately.
6. Troubleshooting
If you encounter issues with your EKX-18SP subwoofer, refer to the following common troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| No Sound Output |
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| Distorted Sound |
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| Overheating |
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7. Specifications
| Feature | Detail |
|---|---|
| Model Name | EKX-18SP-US |
| Speaker Type | Subwoofer |
| Subwoofer Diameter | 18 Inches |
| Speaker Maximum Output Power | 1300 Watts |
| Connectivity Technology | XLR |
| Item Weight | 32 Kilograms (70.4 pounds) |
| Product Dimensions | 29 x 24 x 27 inches |
| Color | Black |
8. Warranty & Support
8.1 Warranty Information
The Electro-Voice EKX-18SP Subwoofer comes with a Limited Warranty. Please refer to the warranty card included with your product for specific terms and conditions, including coverage duration and claim procedures.
8.2 Customer Support
For technical assistance, service, or additional product information, please contact Electro-Voice customer support. You can find contact details on the official Electro-Voice website or in the documentation provided with your product.
