1. Introduction and Overview
This manual provides essential information for the proper setup, operation, and maintenance of your Electro-Voice ZX3-90B 12-Inch Two-Way Passive Speaker. The ZX3-90B is a high-performance, full-range loudspeaker designed for professional audio applications. It features a robust polypropylene enclosure, a 12-inch woofer, and a 1-inch neodymium compression driver, offering a 90x50 degree coverage pattern and 600 watts continuous power handling.
Figure 1: Electro-Voice ZX3-90B 12-Inch Two-Way Passive Speaker, front view.
2. Key Features
- DVX3121 12-inch LF Transducer: Equipped with forced air cooling for enhanced performance and reliability.
- ND2 2-inch Voice Coil, 1-inch Exit Neodymium Compression Driver: Delivers clear and precise high-frequency reproduction.
- 90 Degrees x 50 Degrees Coverage Pattern: Provides wide and consistent sound dispersion.
- 600W Continuous (2400W Peak) Power Handling: Ensures robust performance for demanding applications.
- High Sensitivity, 131dB Maximum SPL: Capable of producing high sound pressure levels with efficiency.
- Bi-Ampable Design: Allows for separate amplification of low and high frequencies for optimized sound control.
- Durable Polypropylene Enclosure: High-tech, high-impact construction for road-worthiness and longevity.
- Integrated Suspension Points: 10 integral suspension points for permanent installation or bracketing.
- Anchor Plate Attachments: 3 Anchor Plates for single-stud fittings, with an additional pair on the bottom.
3. Setup
3.1 Unpacking and Inspection
Carefully remove the speaker from its packaging. Inspect the unit for any signs of damage that may have occurred during shipping. Retain the original packaging for future transport or storage.
3.2 Speaker Placement
Position the speaker in a location that provides optimal sound coverage for your audience. Consider the 90x50 degree coverage pattern when determining placement. Ensure the speaker is stable and securely mounted if suspended.
3.3 Mounting Options
- Suspension: The ZX3-90B features 10 integral suspension points. Use appropriate rigging hardware and consult with a qualified professional for permanent installations to ensure safety and compliance with local regulations.
- Anchor Plates: Three anchor plates are provided for single-stud fittings, with an additional pair on the bottom of the speaker.
3.4 Connecting to an Amplifier
The ZX3-90B is a passive speaker and requires an external amplifier. Use high-quality speakON cables for connection. Ensure the amplifier's power output matches the speaker's power handling capabilities (600W continuous, 2400W peak) to prevent damage.
- Standard Connection: Connect the speakON cable from the amplifier's output to one of the speakON input connectors on the ZX3-90B.
- Bi-Amped Connection: For bi-amplification, separate amplifier channels are used for the low-frequency (LF) and high-frequency (HF) drivers. Consult the speaker's wiring diagram (typically found on the input plate or in detailed technical specifications) for correct speakON pin assignments for LF and HF. This method requires an external crossover.
Always ensure the amplifier is turned off before making any connections to prevent electrical shock or equipment damage. Verify correct polarity (+ to + and - to -) for all connections.
4. Operating
4.1 Powering On and Initial Sound Check
- Ensure all connections are secure and correct.
- Turn on your audio mixer and any signal processors first.
- Turn on the amplifier(s) connected to the ZX3-90B. Start with the amplifier gain at its lowest setting.
- Gradually increase the amplifier gain and feed a low-level audio signal to the system.
- Listen for sound and slowly increase the volume to a comfortable listening level.
4.2 Gain Staging
Proper gain staging throughout your audio system is crucial for optimal sound quality and to prevent distortion or damage. Ensure that each component in the signal chain (mixer, processors, amplifier) is operating at its optimal input and output levels without clipping.
4.3 Bi-Amplification (If Applicable)
If operating in bi-amp mode, ensure your external crossover is correctly configured for the ZX3-90B's drivers. Refer to Electro-Voice's technical documentation for recommended crossover points and slopes. Incorrect crossover settings can lead to poor sound quality or driver damage.
4.4 Powering Off
To power off the system, first turn down the amplifier gain, then turn off the amplifier(s). Finally, turn off the mixer and any other audio equipment.
5. Maintenance
5.1 Cleaning
Clean the speaker enclosure with a soft, dry cloth. For stubborn dirt, a slightly damp cloth with mild soap can be used, followed by drying. Avoid using abrasive cleaners, solvents, or excessive moisture, as these can damage the finish or internal components.
5.2 Storage
When not in use, store the speaker in a dry, temperature-controlled environment. If possible, use the original packaging or a protective cover to shield it from dust and physical damage.
5.3 Inspection
Periodically inspect speaker cables for wear or damage. Check all mounting hardware for tightness and integrity, especially for suspended installations. Ensure the speaker grille is free from obstructions.
6. Troubleshooting
This section addresses common issues you might encounter with your ZX3-90B speaker. Always ensure all other components in your audio chain (mixer, amplifier, cables) are functioning correctly before troubleshooting the speaker itself.
| Problem | Possible Cause | Solution |
|---|---|---|
| No Sound |
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| Distorted Sound |
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| Low Volume |
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If you experience issues not covered here, or if troubleshooting steps do not resolve the problem, contact Electro-Voice customer support or a qualified service technician.
7. Specifications
The following table details the technical specifications for the Electro-Voice ZX3-90B 12-Inch Two-Way Passive Speaker.
| Specification | Detail |
|---|---|
| Model Name | ZX3-90B |
| Speaker Type | Woofer (Two-Way Passive) |
| Special Feature | Lightweight |
| Recommended Uses For Product | Live Performances, Venues, Installations |
| Compatible Devices | Desktop, Gaming Console, Home Theater, Karaoke Machine, Laptop, MP3 Player, Projector, Smartphone, Tablet, Television (as audio source) |
| Subwoofer Diameter | 12 Inches |
| Unit Count | 1.0 Count |
| Surround Sound Channel Configuration | 2.0 |
| Color | Black |
| Is Waterproof | FALSE |
| Warranty Type | Limited |
| Control Method | Voice (via connected audio system) |
| Speaker Size | 12 Inches |
| Power Source | Corded Electric (via amplifier) |
| Woofer Diameter | 12 Inches |
| Audio Driver Type | Dynamic Driver |
| Audio Driver Size | 12 Inches (LF) |
| Style | Professional |
| Speaker Amplification Type | Passive |
| Wattage | 600 watts (Continuous) |
| Speaker Maximum Output Power | 600 Watts (Continuous) |
| Connectivity Technology | speakON |
| Audio Output Mode | Stereo (when used in a stereo pair) |
| Mounting Type | Wall Mount (via integral suspension points/anchor plates) |
8. Warranty and Support
8.1 Limited Warranty
The Electro-Voice ZX3-90B speaker is covered by a Limited Warranty. Please refer to the warranty card included with your product or visit the official Electro-Voice website for detailed terms and conditions regarding coverage, duration, and claims procedures.
8.2 Customer Support
For technical assistance, service, or further information regarding your Electro-Voice ZX3-90B speaker, please visit the official Electro-Voice website or contact their customer support department. Contact information can typically be found on the brand's website or in the product packaging.
Electro-Voice Official Website: www.electrovoice.com
