1. Introduction
The Electro-Voice EKX-12 is a high-performance 12-inch, 2-way full-range passive loudspeaker designed for professional audio applications. It delivers a peak power of 1400 W and a maximum SPL of 131 dB, making it suitable for various mid-size stage environments. This manual provides essential information for the safe and effective setup, operation, and maintenance of your EKX-12 loudspeaker.
Figure 1: Front-side view of the Electro-Voice EKX-12 Passive Loudspeaker.
2. Safety Information
Please read and understand all safety instructions before operating the loudspeaker. Retain this manual for future reference.
- Power: This is a passive loudspeaker and requires an external amplifier. Ensure the amplifier's power output matches the speaker's power handling capabilities to prevent damage.
- Ventilation: Ensure adequate airflow around the loudspeaker, especially if used in an enclosed space, to prevent overheating.
- Mounting: Use only approved mounting hardware and follow all instructions for pole mounting or suspension. Ensure the mounting surface or stand can support the speaker's weight (17.4 kg / 38.36 lbs).
- Cables: Use high-quality speaker cables with appropriate gauge for the power and distance.
- Hearing Protection: Prolonged exposure to high sound pressure levels can cause permanent hearing damage. Use hearing protection when operating the system at high volumes.
3. Product Overview
The EKX-12 features a robust design with a 15-mm wood enclosure, internal bracing, and a durable EVCoat finish. It incorporates EV-patented Signal Synchronized Transducers (SST) waveguide design for precise and consistent coverage. The speaker is equipped with all-metal handles for easy transport and eight M10 threaded mounting points for versatile installation.
Figure 2: Side view of the EKX-12, highlighting the integrated handle for portability.
Figure 3: Angled top-side view of the EKX-12, showcasing its cabinet design and grille.
Official Product Video
Video 1: An overview of the Electro-Voice EKX series, demonstrating features like superior sound quality, industry-leading features, and the QuickSmartDSP Plus (though the EKX-12 is passive, the video highlights general series capabilities and build quality).
4. Setup and Connection
Proper setup is crucial for optimal performance and safety. The EKX-12 is a passive speaker, meaning it requires an external power amplifier.
4.1 Speaker Placement
- Main FOH (Front of House): Place speakers on stands or suspend them to ensure the sound reaches the audience effectively. The 90° x 60° coverage pattern is ideal for mid-size stages.
- Monitor Use: The EKX-12 features a 40° monitor angle with rubber feet, allowing it to be used as a floor monitor.
- Pole Mounting: The speaker includes an aluminum pole mount receptacle for use with standard speaker poles.
Figure 4: Bottom view of the EKX-12, illustrating the pole mount receptacle.
4.2 Connecting to an Amplifier
- Power Off: Ensure your amplifier is turned off before making any connections.
- Speaker Cables: Use high-quality speaker cables with appropriate connectors (e.g., Speakon or 1/4-inch TS, depending on the speaker's input and amplifier's output).
- Connect Speaker: Connect one end of the speaker cable to the input connector on the EKX-12.
- Connect Amplifier: Connect the other end of the speaker cable to the corresponding output channel on your power amplifier. Ensure correct polarity (+ to + and - to -).
- Impedance Matching: Verify that the amplifier's output impedance matches the speaker's nominal impedance (typically 8 ohms for passive speakers).
5. Operation
Once connected, follow these steps for basic operation:
- Initial Volume: Set the amplifier's master volume to its minimum level.
- Power On: Turn on your audio source (mixer, instrument, etc.), then turn on the power amplifier.
- Adjust Volume: Gradually increase the amplifier's master volume to the desired listening level. Monitor for any signs of distortion.
- System Check: Play a familiar audio track to ensure all speakers are functioning correctly and the sound is clear.
- Power Off: When finished, turn off the power amplifier first, then the audio source.
6. Maintenance
Regular maintenance helps prolong the life and performance of your loudspeaker.
- Cleaning: Use a soft, dry cloth to clean the exterior of the cabinet. For stubborn dirt, a slightly damp cloth can be used, followed by a dry cloth. Avoid abrasive cleaners or solvents.
- Grille: Periodically check the front grille for dust or debris accumulation. A soft brush or vacuum cleaner can be used to gently remove it.
- Connections: Ensure all cable connections are secure and free from corrosion.
- Storage: When not in use, store the loudspeaker in a dry, temperature-controlled environment. Consider using protective covers to prevent dust and physical damage.
- Inspection: Regularly inspect the cabinet, handles, and mounting points for any signs of wear or damage.
7. Troubleshooting
If you encounter issues with your EKX-12 loudspeaker, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound from speaker |
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| Distorted sound |
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| Intermittent sound |
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8. Specifications
Detailed technical specifications for the Electro-Voice EKX-12 Passive Loudspeaker:
- Brand: Electro-Voice
- Model Name: EKX-12
- Speaker Type: Full-Range, 2-Way Passive
- Speaker Size: 12 Inches (Woofer Diameter)
- Speaker Maximum Output Power: 1400 Watts (Peak)
- Peak SPL: 131 dB
- Coverage Pattern: 90° x 60°
- Monitor Angle: 40°
- Enclosure Material: 15-mm Wood with EVCoat finish
- Mounting Type: Floor Standing, Pole Mount, 8x M10 Threaded Mounting Points
- Connectivity Technology: Wired (XLR, RCA, Bluetooth mentioned in general specs, but for passive EKX-12, typically Speakon/1/4" for amplifier connection)
- Item Weight: 17.4 Kilograms (38.36 lbs)
- Additional Features: Lightweight, SST Waveguide Design
9. Warranty Information
The Electro-Voice EKX-12 Passive Loudspeaker comes with a 5-year limited warranty. Please retain your proof of purchase for warranty claims. For detailed terms and conditions, refer to the official Electro-Voice warranty statement or contact customer support.
10. Customer Support
For further assistance, technical support, or service inquiries regarding your Electro-Voice EKX-12 loudspeaker, please visit the official Electro-Voice website or contact their authorized service centers. You can find contact information and additional resources on the Electro-Voice support page.
