CHOOSING AN AMPLIFIER:

1) It is important to choose an amplifier that matches the power rating of the LX-18EV2 (see specifications on back page).

2) When using TWO (2) LX-18EV2 subwoofers in you system you may choose an amplifier that delivers up to 750 watts @ 8 ohm stereo or an amplifier that delivers up to 1500 watts @ 4-ohm bridge (when connecting two LX-18EV2 in parallel). Other combinations are possible––consult your authorized dealer or call B-52 for additional details. See Connection Diagram (right).

3) Use caution when using large amplifiers. All amplifiers are capable of putting out much more power than they rated for. The amplifiers rating is specified as undistorted output (low THD––total harmonic distortion). Amplifiers are capable of producing much greater power that they are rated for when driven into clipping.

4) Under powering the LX-18EV2 may also damage the subwoofer. Using a small amplifier and clipping its high output signal could damage the subwoofer. Clipping the amplifier may distort the signal and cause over heating of the voice coil.

USING AN ELECTRONIC CROSSOVER

For optimal performance, it is extremely important that an electronic crossover be used in the audio system. An electronic crossover will provide a low-pass output allowing the LX-18EV2 to only play low frequencies. B-52 recommends setting your low-pass crossover filter between 80 to 120 Hz, depending upon the venue and sound desired. In case of doubt, set the low-pass crossover to 100 Hz.

It is highly recommended to use an electronic crossover with 24 dB per octave slopes or higher. If your amplifier or electronic crossover provides a 30 Hz subsonic filter, make sure this filter is turned ON. The subsonic filter will prevent the subwoofer from reproducing frequencies below 30 Hz. At high SPL, frequencies lower than 30 Hz can damage to the subwoofer.

CONNECTORS:

 

 

The LX-18EV2 includes (2) 1/4” phone

1

2

jacks and one Neutrik NL4 Speakon

input terminals. All three terminals are

 

 

internally connected in parallel. Each of the three connections can be used as an input or as an output.

1. Neutrik NL4 Terminal

21/4”. PhoneJacksJack Wiring

 

 

 

NEUTRIK CONNECTOR

 

Pin 1

+

............Subwoofer + (input or output)

 

Pin 1

-

 

............Subwoofer - (input or output)

 

Pin 2

+

............Subwoofer + (input or output)

 

Pin 2

-

 

............Subwoofer - (input or output)

 

Important: When connecting a speaker to an amplifier or when connecting two speakers together, it is important to match the polarity (+/-). Connect positive-to-positive and negative-to negative.

LX-18EV2 CONNECTION DIAGRAMS

STEREO CONNECTION

MIXER

 

 

 

 

 

 

 

 

 

 

 

 

L

 

 

 

 

R

 

 

 

 

 

 

 

 

 

 

ELECTRONIC CROSSOVER

 

 

 

LOW PASS OUTPUTS

 

 

 

 

 

 

 

 

 

 

L

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L

 

 

AMPLIFIER

 

R

 

 

 

 

STEREO OUTPUT

 

 

 

 

 

 

 

 

 

LX-18EV2

 

LX-18EV2

 

 

 

BRIDGED CONNECTION

MIXER

LR

ELECTRONIC CROSSOVER

LOW PASS OUTPUTS

L or R Out

AMPLIFIER

BRIDGED OUTPUT

(Amp must be stable at 4 ohms in the BRIDGE mode)

LX-18EV2 LX-18EV2

Connecting two LX-18EV2 subwoofers in

parallel results in a 4 ohm load.

There are numerous other configurations available. Please consult your Authorized B-52 Dealer or

contact B-52’s Customer Service.

3

Page 2 Page 4
Page 3
Image 3
ETI Sound Systems, INC LX-18EV2 instruction manual Choosing AN Amplifier, Connectors
Page 2 Page 4

LX-18EV2 specifications

ETI Sound Systems, INC has made a significant mark in the audio industry with its LX-18EV2 subwoofer, a powerful addition to their range of sound systems. Designed with both professionals and audiophiles in mind, the LX-18EV2 combines advanced technologies and engineering to deliver superb performance and reliability.

One of the standout features of the LX-18EV2 is its impressive low-frequency response. Equipped with an 18-inch high-power pro audio driver, it delivers deep, punchy bass that can fill large venues. This makes it an excellent choice for concerts, festivals, and other live sound events where impactful bass is crucial. The driver is specifically designed to handle substantial power, ensuring that it can maintain clarity even at high volumes.

The LX-18EV2 incorporates a robust enclosure built from high-quality plywood. This design not only enhances its durability but also minimizes unwanted resonance, allowing for cleaner sound reproduction. The cabinet is finished with a weather-resistant coating, making it suitable for both indoor and outdoor applications. Additionally, the strategically designed porting system optimizes airflow and reduces distortion, resulting in a more accurate sound profile.

Another key characteristic of the LX-18EV2 is its versatility. It features multiple input options, including XLR and 1/4-inch jacks, allowing for easy integration into various audio setups. Whether used in a mobile DJ rig or a permanent installation, the LX-18EV2 can adapt to different configurations and requirements.

Moreover, the subwoofer comes equipped with a lightweight yet robust topology, making it easier to transport and set up. This practicality is crucial for touring professionals who need reliable equipment that doesn’t compromise on audio quality.

In terms of connectivity, the LX-18EV2 supports daisy chaining, enabling users to link multiple units together for even greater sound output. This expandability makes it an ideal option for larger events where many speakers may be needed to cover extensive areas.

Overall, the ETI Sound Systems, INC LX-18EV2 subwoofer stands out for its excellent sound quality, robust build, and versatility. It is engineered to meet the demands of professional sound applications while delivering deep, resonant bass that enthusiasts will appreciate. For anyone in the market for a high-performance subwoofer, the LX-18EV2 is undoubtedly worth considering.
Top Page Image Contents