1. Introduction
This manual provides essential information for the safe and efficient operation of your Behringer EUROLIVE B1500XP Active PA Subwoofer. Please read this guide thoroughly before operating the unit to ensure proper setup, optimal performance, and to prevent damage.
The Behringer EUROLIVE B1500XP is a high-performance 3000-Watt powered subwoofer designed for professional PA applications. It features a 15-inch Turbosound speaker and a built-in stereo crossover, delivering precise reproduction of ultra-low frequencies with significant impact.
2. Important Safety Instructions
- Power Supply: Connect the unit only to the mains voltage specified on the device. Ensure the power cable is not damaged.
- Grounding: This appliance must be grounded. Do not defeat the safety purpose of the polarized or grounding-type plug.
- Moisture: Do not expose this equipment to rain or moisture. Do not use near water.
- Ventilation: Ensure adequate ventilation. Do not block any ventilation openings.
- Heat: Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
- Cleaning: Clean only with a dry cloth.
- Servicing: Refer all servicing to qualified service personnel. Do not attempt to service this product yourself.
- High Sound Pressure: Prolonged exposure to high sound pressure levels can cause permanent hearing damage. Use caution when setting volume levels.
3. Setup
3.1 Unpacking
Carefully unpack the subwoofer and inspect it for any signs of damage during transit. Retain the original packaging for future transport or storage.
3.2 Placement
The EUROLIVE B1500XP is designed for floor standing or tabletop mount applications. For optimal bass response, place the subwoofer on a solid, stable surface. Avoid placing it directly against walls or in corners, which can lead to exaggerated or muddy bass. Experiment with placement to find the best sound for your environment.
Figure 1: Front view of the Behringer EUROLIVE B1500XP Active PA Subwoofer, showcasing its robust grille and compact design.
3.3 Connections
The B1500XP features XLR input and output connectors for professional audio integration. Ensure all connections are secure before powering on the unit.
- Audio Input: Connect the XLR output from your mixer or main PA system to the INPUT 1 or INPUT 2 XLR connectors on the subwoofer's rear panel.
- Audio Output: Use the OUTPUT 1 or OUTPUT 2 XLR connectors to send the processed signal (with high frequencies filtered out by the internal crossover) to your full-range PA speakers.
- Power Connection: Connect the supplied AC power cable to the power inlet on the rear panel and then to a suitable grounded mains outlet.
Figure 2: Rear panel of the Behringer EUROLIVE B1500XP, illustrating the XLR input/output connections, gain control, crossover frequency knob, and phase switch.
4. Operating
4.1 Power On/Off
After all connections are made, switch on your mixer and any full-range speakers first. Then, power on the B1500XP using the power switch on the rear panel. When powering down, switch off the subwoofer first, then your full-range speakers and mixer.
4.2 Controls and Indicators
- GAIN Control: Adjusts the overall input sensitivity of the subwoofer. Start with this control at its minimum setting and gradually increase it to achieve the desired bass level in relation to your main speakers.
- CROSSOVER Frequency Knob: This control sets the upper frequency limit for the subwoofer and the lower frequency limit for the signal sent to your full-range speakers via the XLR outputs. Adjust this to blend seamlessly with your main speakers. Common settings range from 80 Hz to 120 Hz.
- PHASE Switch: This switch allows you to invert the phase of the subwoofer's output. If the bass sounds weak or hollow, try flipping this switch. The correct phase setting will result in a fuller, more impactful bass response.
- BASS BOOST Switch: Engages a low-frequency enhancement circuit for added punch and impact. Use this feature judiciously to avoid over-driving the speaker or creating an unbalanced sound.
- LIMIT LED: Illuminates when the internal limiter is active, indicating that the amplifier is approaching its maximum output. Occasional flickering is normal, but if it stays lit constantly, reduce the GAIN control to prevent distortion and potential damage.
- SIGNAL LED: Indicates the presence of an audio signal.
- POWER LED: Illuminates when the unit is powered on.
4.3 Class-D Amplifier Technology
The B1500XP utilizes a state-of-the-art 3000-Watt Class-D amplifier. Class-D amplifiers are known for their high efficiency, which translates to less heat generation, superior transient response, and lower power consumption compared to traditional amplifier designs.
Figure 3: Efficiency comparison between Class-D and Class-AB amplifiers, highlighting the superior efficiency of Class-D technology.
4.4 Turbosound Speaker
This subwoofer is equipped with a world-famous, British-engineered 15-inch Turbosound speaker, designed for extremely high sound pressure levels and accurate bass reproduction.
Figure 4: A Turbosound speaker component, representing the high-quality driver used in the B1500XP.
5. Maintenance
5.1 Cleaning
To clean the subwoofer, use a soft, dry cloth. Do not use any liquid cleaners, solvents, or abrasive materials, as these can damage the finish or internal components.
5.2 Storage
When not in use for extended periods, store the subwoofer in a dry, dust-free environment. If possible, use the original packaging to protect it from dust and physical damage.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power cable disconnected; Power outlet faulty; Unit fuse blown | Check power cable connection; Test power outlet; Contact qualified service personnel for fuse replacement. |
| No sound | Input cable disconnected; GAIN control too low; Crossover frequency set too high (sending all signal to main speakers); Main system output too low | Check XLR input cable; Increase GAIN control; Adjust CROSSOVER frequency; Increase output from mixer/main system. |
| Distorted sound | GAIN control too high; Input signal too hot; LIMIT LED constantly lit | Reduce GAIN control; Lower output level from mixer/main system; Ensure LIMIT LED only flickers occasionally. |
| Weak or hollow bass | Incorrect PHASE setting; Subwoofer placement issues | Toggle the PHASE switch; Experiment with subwoofer placement. |
7. Specifications
| Feature | Specification |
|---|---|
| Brand | Behringer |
| Model Number | B1500XP |
| Speaker Maximum Output Power | 3000 Watts |
| Subwoofer Diameter | 15 Inches |
| Connectivity Technology | XLR |
| Audio Output Mode | Stereo |
| Mounting Type | Floor Standing, Tabletop Mount |
| Enclosure Material | Metal, Plastic |
| Speaker Type | Outdoor (suitable for outdoor PA applications) |
| Additional Features | Bass Boost |
| Primary Application | PA applications, providing low-frequency support for speaker systems |
| Color | Black |
| Is Waterproof | FALSE |
| Control Method | App (for advanced control, if applicable) |
| Item Dimensions (D x W x H) | 20.94"D x 18.39"W x 23.94"H |
| Item Weight | 75.8 Pounds |
| Power Source | Corded Electric |
| Manufacturer | Music Tribe US |
| Number of Audio Channels | 2.1 |
| Audio Driver Type | Dynamic Driver |
Figure 5: Dimensional drawing of the Behringer EUROLIVE B1500XP, showing its height, width, and depth.
8. Warranty and Support
8.1 Warranty Information
This product comes with a limited warranty. For detailed information regarding the warranty terms and conditions, please refer to the official Behringer warranty page:
http://www.music-group.com/warranty.aspx
8.2 Technical Support
For technical assistance, service, or spare parts, please contact your local Behringer distributor or visit the Behringer support website. Ensure you have your product model number (B1500XP) and serial number ready when contacting support.
