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Line arrays are common in public address (PA) systems to ensure sound clarity. Their design enables them to project sound evenly across different places. When selecting a speaker system, consider its acoustic coverage, range, and responsiveness. Here are the most popular types of a double 12-inch line array.
Active line arrays have amplifiers built into each speaker. This helps ensure that they are powered consistently. Users do not need external amplifiers when using powered line arrays, making installation easy. They are often employed in small- to medium-sized venues. Here are the pros and cons of active line arrays.
The main difference between passive line arrays and active ones is that passive line arrays need external amplification. Each speaker in a passive array has an internal crossover. This allows different audio frequencies to be sent to various driver types.
This system consists of several small-diameter speakers arranged in a vertical line. Most have multiple drivers for high-frequency output. The drivers work as a point source of sound that creates a uniform wavefront. This design allows the sound waves to move out straight and avoid bouncing off the floor or ceiling. Such bouncing reduces clarity and creates dead sound zones.
A column line array can feature varying driver combinations within the array. Integrators and audio engineers select an array based on venue size and audience number. The longer the array, the wider the coverage. The goal is to have even coverage from the first to the farthest row.
JBL line arrays, like other varieties, are designed to deliver sound evenly in any space. They include the patent-pending Power Matching technology, which can connect with other JBL systems. The technology allows all components to act uniformly. Users of these arrays can adjust their response using various integrated DSP features. This fine-tunes them to suit any environment.
Here are the main features of the double 12-inch line array:
The speaker system's design provides linear sound over long distances. No matter where the listener is, they will receive consistent vocal clarity, rich sound, and deep bass. The 12-inch systems have more bass punch because of the extended frequency range.
Considerable power handling capability results in increased sound output before feedback or distortion. These speakers are ideal for large venues. Even outdoors, they ensure that sound travels effectively without losing clarity.
This voice coil design enables long playing periods without overheating. It maintains sound quality during extended sound gigs. The fluid-cooling feature also allows users to drive the speakers harder than others without damage.
Baltic birch plywood is used to construct the cabinets. This strong material aids in achieving sonic performance and can withstand rigorous use. It features an internal rigging system for proper array alignment. The cabinets can stack to create horizontal and vertical array configurations for different venues.
The speakers, components, and materials used are all sourced from the highest-quality pro audio manufacturers. They are selected for their reliability in professional audio situations.
Integrated rigging systems make setting up and adjusting line arrays easier. Systems can fly and be stacked for various venue requirements.
Ideal for rental, touring, and permanent installations, these speaker arrays keep their performance and sound even in challenging environments.
The 12-inch speaker and array design provide an improved frequency response, enabling sound reproduction anywhere from 50 to 20,000 Hz. This wider range allows users to enjoy quality sounds across several audio spectrums, from deep lows to clear highs.
Arrays can produce high output levels without feedback or distortion. This capability is useful for large audience areas and space types. They ensure that even the back rows of any venue can enjoy clear sound.
Live events often get unpredictable. They require systems that will deliver great sound even in hard spaces. Production pros need solutions that will consistently perform across various events. PA line arrays great for both applications because they ensure sound clarity, no matter the venue.
An array of loudspeakers that hang over the front of the stage and blend into the performance is the goal for every audio engineer. The double 12-inch line array can produce the same power and clarity as a live band while reducing energy reflections and coverage zones. This is why concerts use line arrays in small and large auditoriums, ballparks, and convention centers.
Theaters demand the same clarity and range for music and voice. Engineers work hard to install line arrays for effective audience coverage while ensuring the performers feel their own monitoring system on stage. The double 12-inch line array delivers sound evenly to every row of seated patrons without any delay or distortion in the dialogue.
Whether at a hotel, conference center, or arena, corporate events require clear PA systems for speeches and presentations. Integrated systems like double 12-inch line arrays ensure all attendees can hear what is said without missing a word. Good corporate production also ensures there is no distortion in large spaces.
Worship facilities of all sizes need audio systems that will last for decades. Many install hangable arrays in huge cathedrals to engender the quality of sound prayerfully spoken in such vast holy spaces. Those designed for high ceilings and complex acoustics can deliver consistent sound across hundreds of feet without dead zones or echoing.
Outdoors, the power of sound must reach more than just a few rows of seats. Systems are designed to project sound further while maintaining clarity. Arrays can fly above the crowd to cover wide spaces while remaining light enough to withstand strong winds. Large arrays can cover vast areas and reach the farthest sound-waving distance without losing quality.
A user should consider the following when selecting a line array system:
A great line array, like PA systems, should offer stellar sound quality without echoes or drowning. The system must reproduce sound consistently regardless of distance to provide clarity for spoken word, music, and effects.
Look for coverage across dozens of feet so the sound doesn't need to be blasted to reach the last row. Acoustic intensity controls allow users to adjust the volume on demand.
Some models can be flown above the crowd or placed on the ground. The more arrangement options available, the better the fit for any venue. Arrays with integrated rigging points for quick setups save valuable time during hectic load-ins.
An even sound field from side to side and front to back is crucial, especially in the rows of seats or standing areas. Selection should maintain uniform coverage without dead or hot zones anywhere. The dispersion patterns of its vertical and horizontal designs even across wide spaces.
Passive models need separate amps for the exchange, while active ones have amps built in. Passive arrays give users more control in large venues by allowing amplifier selection based on specific needs. Active line arrays are ideal for smaller events where reduced cabling is necessary.
The size and type of driver used affect sound quality since these elements produce the sound. Larger cones in the cabinet produce deeper bass and louder volumes, while smaller ones reproduce treble and mid-range.
The response range of the system indicates the lowest and highest frequencies it can reproduce. Look for a wider range that covers all sound types.
Greater acoustic power means stronger sound output. Models made for bigger spaces hold more acoustic power through their sheer size than those intended for small rooms. Acoustic power combines the space's size and the sound waves' reach to cover it fully.
Poor design can cause sound waves to cancel each other. A well-placed port can enhance bass response by isolating low frequencies through the enclosure. The bass reflex design enables deeper and more impactful bass sounds than sealed cabinets.
A1. Yes, the system is designed for use in all types of venues. Acoustic power plays a role in the system's performance in open-air environments. The system has great acoustic power, so it can handle outdoor concerts effectively without losing clarity.
A2. While the system can technically work for home theatre systems, it is not a good idea. Home theatres need smaller acoustic systems to suit their space. Hotels and homes hire lines and arrays for audio needs instead of installing them. Home theatres require speakers fitted for their space. Double 12-inch line arrays are designed to serve large spaces and crowds.
A3. Many models provide powered control over the system's acoustic output through DSP or manual adjustment. These controls allow sound reinforcement for speech, music, and special effects, depending on the venue's size and needs, whether small events or major audio engineering challenges. They help ensure optimal performance in any environment in which they are used.
A4. The key advantage of a line array is its ability to deliver a uniform sound field across lengthy distances within large venues. Other speaker designs tend to drop off in coverage toward the back of the crowd. Thanks to its vertical shape, the sound waves produced travel straight and avoid bouncing off the floor or ceiling.
qA5. These systems are often used at live concerts and in auditoriums, lecture halls, theatres, and houses of worship. They are also commonly found at corporate events and large outdoor festivals, where consistent sound coverage over great distances is crucial.
