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Acoustic systems for stage performances, like a big show line array, comprise several elements such as the line array speaker, subwoofer, internal amplifier, etc. Every component plays a vital role in the acoustic system's objective, a unique performance in producing quality sound to the entire audience regardless of the venue size. Diverse types of big shows line array speakers exist. These include the following:
Conventional line array
This speaker uses the traditional flyable cabinet design. Within this cabinet, speakers are positioned and arrayed horizontally in an axis. The passband has a consistent pressure gradient if the speakers are positioned around a straight line. Such arrays can be suspended or ground-stacked. However, when in a flown configuration, they provide better sound, especially for large venues.
Column line array
This type of speaker resembles a column. It has a vertical-axis sound propagation pattern and a horizontal dispersion pattern. A column line array speaker can achieve better intelligibility and near-field coverage in acoustically challenging areas than a conventional line array speaker. Most speakers feature more drivers than in a typical column design to enhance low-frequency output capability.
S-R Based line array
S-R based line array speakers have distinct horizontality and verticality in sound dispersion patterns. It has a more extended height than a standard line array. It gives an even sound coverage to large venues. The system achieves this through a more extended frequency range, particularly the mid and low-frequency range.
Digital line array
A digital line array includes a digital signal processor as its front-end signal processing unit. The line array cabinet will typically contain one or several amplifiers. This system will convert the user's input audio signal and relaunch it through the amplification-converted audio signal. Its main feature is the addition of digital processing for better sound quality, which includes correcting any imperfections.
Subwoofer line arrays
Sub-base line arrays include a small wide-range column and sub-array to execute great full-range sound. The small column speakers will cover a mere high and midrange frequency, while the sub array are several speakers deployed to reproduce that deep bass sound. Used together, this system gets a full range of sound to all areas of a large venue.
Stage acoustic systems, like line arrays, have undergone a design evolution from the initial stereo system arrays to the modern systems used today. Such design changes consider improvements in sound performance, coverage, and ease of use. Significant adjustments from the original design include:
Improved vertical orientation
The original line arrays had been horizontally designed, which performed well in sound coverage. However, the system's sound accuracy was reduced in large venues due to its lack of vertical orientation. Newer systems incorporate vertically oriented speakers that improve sound coverage while maintaining the accurate stereo.
Better low-frequency response
The initial line arrays depended so much on mid and high-frequency response. Therefore, they had a limited low-frequency range and relied on supplemental subwoofers for bass sounds. The modern design includes speakers that cover a wider frequency range that enhances total sound coverage. Consequently, there is no need for subwoofers, thus added functionality to the system.
Advanced rigging systems
Modern line array systems are such equipped with advanced rigging systems that facilitate installation and adjustment. These systems are designed with quick and easy flexible arrangements to help the performers achieve optimal sound coverage.
Increased digital integration
Digital signal processing has become quite commonplace in performing arts technology. Most of today's line array systems have integrated DSP to offer advanced sound processing capabilities. With digital processing, the need for equipment like microphones, mixers, and other audio gadgets, often considered normal, will get eliminated, making setup much easier.
Improved array configuration
Today's line array systems have great flexibility in the configuration and deployment of the array. That way, the system can be suited best for the venue type and the performance needs. These configurations can involve horizontal and vertical stacking, a flown array, and even hybrid systems.
Touring concerts and festivals
Big concert tours and music festivals draw thousands of fans, sometimes hundreds of thousands. That demands a sophisticated sound reinforcement system for the venue. These line arrays are designed to cover the large open spaces with uniform sound. They offer performance in multiple environments. Hence, they are the most widely used system for all manner of musical performances.
Theatre and live events
Their sound design also supports theatrical performances, including plays, musicals, and other live performances. They have been designed to cover the entire audience area with even sound, enhancing speech intelligibility to enhance the audience's overall experience.
Corporate events and conferences
Corporate events, including conferences, workshops, and general meetings, require effective sound systems for communication. Big line arrays offer clarity and coverage in large spaces, ensuring every participant can hear the speaker or presentation without any difficulty.
Sports events
Stadiums or arenas that host sporting events have announcers, music, and other audio content that needs to be projected massily. Big show line arrays have been designed to deliver this audio across the venue while overcoming environmental noise and maintaining clarity.
Convention centers and expos
Trade shows and conventions held at large venues require sound systems to address many attendees simultaneously. These arrays include versatile configurations to accommodate the diverse event types held at these centers, from keynote speeches to breakout sessions.
Places of worship
Large line arrays have also been adopted in mega churches and other places of worship. They facilitate sound delivery to large congregations while ensuring the preacher's message, music, and other sounds in the worship environment are heard clearly across the space.
When purchasing a stage sound system, it is paramount to consider what the organizer needs so that the system's performance should at least be matched to these requirements. Below is a consideration for choosing the big show line array speakers:
Sound quality
The primary focus of any PA system should be its sound quality. The key thing is to get a balanced sound, the kind that is clear at all frequencies. The harshest overhang, typically associated with previous versions of this gadget, should not exist. The sound should also be as impactful at the low-end as it is at the high-end.
Power handling capability
It is critical for the selected system to handle the power of the amplifiers within the user system. The technology employed in the cabinet should be capable of withstanding greater power levels without suffering sound distortion or damage.
Coverage pattern
The coverage pattern of the line array should correspond to the venue. Big arrays have a narrow play and a wide horizontal pattern. Hence, they are most suited to large venues where effective bass support is required with less floor reflection.
Scaling and flexibility
A good stage sound system should offer the installer some level of scaling and flexibility. The new system should also be capable of stacking and flying depending on the venue type and client requirements.
Ease of installation and use
The speaker should be equipped with simple rigging systems for easy installation. Modern systems also feature great user interfaces to help ease the installation of employable parameters.
The build quality and reliability
As the speaker is intended for professional use, it should be robust and reliable after a long period of use. The internal components should be strong enough that the harsh treatment the speaker may be exposed to will not damage them.
Cost
Advanced systems typically offer greater sound quality and more advanced functionalities. However, it is paramount to assess costs versus budget to ascertain the most suitable system for a given requirement. A detailed cost-benefit analysis for each of these factors will go a long way toward justifying the expenses involved.
Array speakers are systems containing several individual speakers that produce a sound in a particular direction, especially when installed in venues for performances.
Line array speakers are designed to enhance the sound of performances in a uniform manner across the entire audience. They can be used in small to large venues with unique acoustic problems and still maintain their coverage and clarity.
As the name implies, line array speakers are many speakers wedged into a single cabinet. Each of these speakers is connected to its drive unit to provide a seamless continuum of sound dispersion both horizontally and vertically.
Acoustic system line array speakers have been designed to deliver consistent sound across large venues. They overcome irregular sound distribution in other typical speakers by utilizing a pulley-like design that focuses the sound toward the central area of the audience with pinpoint accuracy.
