In reality, the funds are not always available for such a luxury. A line array is a stack of loudspeaker systems in a single line. We could produce 800pcs dsp plate modules per month, 700pcs amplifiermonth and 1200pcs line array speakers and 2000pcs full range audio speakers per month. Line array for live sound from the early 1990s, line array principles began to be reapplied to the problems of live sound this time in a format that was more conveniently packaged and easy to fly.
Line array is now the main technology in live sound reinforcement and is perceived to offer significant benefits over horizontally arrayed. Numerous examples of situations where steered line arrays are used were presented and discussed. Line array type s are 2way line array speakers, each containing 32 speaker elements 8 x 10 cm lf and 24 hf drivers. Wl3082 line array loudspeakers can be added without the need to.
Line array background much of the literature see references 1 5 on line array technology centers upon application for professional sound reinforcement applications. The wps is a versatile, stateottheart line array with a peak spl of 3db and is designed for smalltomedium scale touring and install applications that require a high output array. Line arrays for live sound stephen bunting line array systems are now the forerunner in large scale live sound reinforcement. The low end response applies itself to the most demanding music genres with the same long throw capabilities of its smaller counterpart. Download pdf sound reinforcement handbook free usakochan pdf.
A line array is a loudspeaker system that is made up of a number of usually identical loudspeaker elements mounted in a line and fed in phase, to create a near line source of sound. A line array is a group of omnidirectional radiating elements arrayed in a straight line, closely spaced and operating in phase with equal amplitude. The gsl8 is a line array module specifically designed for largescale sound reinforcement. Line array technologies need to be properly understood because they underpin sound reinforcement today and in the foreseeable future. In the 60s and 70s, sound reinforcement systems used in popular music concerts were. Wave field synthesis driving functions for large scale sound reinforcement using line. Reaching depths of 35hz and with an output potential of 2800 watts peak its a perfect match for the wla28. Eastern acoustic works highperformance, professional. Cbt constant beamwidth technology jbl professional.
Portable and fixed installation line column and array. Voa24 is a mediumsize touring line array system specifically designed. The current wideline8 family is composed of the wl3082 line array element, wl212sw subwoofer, af3082s small array frame, af3082l large array frame. Line array element, 2 way passive, with 10 lf and 1. Described by olson in his classic 1957 text, acoustical engineering, line arrays are useful in applications where sound. Wave field synthesis driving functions for large scale sound reinforcement using line source. Driver units are installed vertically and with minimal space between units in order to create a continuous linear sound source. The scalable resolution of wavefront precision wpc line array offers greatly improved. Consequently, arrays have uniform sound coverage from the front of the room to the back of the room.
Typically, these applications must operate in both near and far fields. Arraying several speaker cabinets vertically is a far more effective method of delivering and directing sound. We have two production line for power amplifiers and three production line for audio speakers 2cnc line, paiting line, speaker assembly line. Sound reinforcement introduction to 4 introduction an often overlooked yet vital part of modern musical performances is the sound reinforcement pa system. Line array does reduce the effect of multipoint sources interfering with each other like the systems of twentyfive years ago, but it is still a long way from the. Problem areas such as reflections, studio leakage and isolation are analyzed from practical viewpoints. Sound reinforcement applications witsound reinforcement applications with high fidelity and outstanding claritysound reinforcement applications with toa type c speakers are moduletype 2way line array speaker systems featuring a 20cm lowfrequency neodymium woofer and two 2. Large format line arrays have become increasingly common for large scale sound reinforcement, and columns are a logical stepdown in size from. These characteristics make it suitable for high quality sound reinforcement systems, especially for live applications. When line array performance as well as fast and easy setup is required, rcfs hdl6a is the ideal choice. The wps is a versatile, stateottheart line array with a peak spl of 3db and is designed for smalltomedium scale touring and install applications that require a high output array with reduced weight and footprint. Line arrays explained issue 11 the magazine for sound. Line source loudspeaker arrays, often called column loudspeakers, have recently become of. In the 1970s, sound reinforcement technology was inconsistent science at best, and at worst, led to showending failures.
Although not suited for all acoustic spaces, line arrays are well suited for applications where wide horizontal coverage and long throw are specified. Modern sound reinforcement systems have implemented line array technology as a very effective means of providing coherent and even acoustic coverage in. Line array s signal levels do not drop off as steeply with. Nla5 5 inch 2way line array speaker nla15s compact arrayable subwoofer. It features a 1400w 2channel classd amplifier for system power, p. In other words, linking boosts the effective length of line array speakers by a factor of five, thereby ensuring clearer and more even sound reinforcement of speech in bigger venues or over longer distances. The brx300 series is a versatile line array for bands, djs, rental firms, houses of worship and anyone who needs a compact, portable system that provides superior fidelity, high output and consistent coverage in a range of sound reinforcement scenarios. For reinforcement of musical instruments, there are several main objectives of microphone techniques. Design guidelines for practical near field line arrays. Touring sound reinforcement downfill, midfill, sidefill, and outfill for leom systems available in two models for greater flexibility. The wla15b is the dedicated subwoofer engineered for the wla28 line array speaker. A bold new advancement in concert sound reinforcement. Wps optimised line array threeway, passive line array.
The cabinet is injectionmoulded from the same urethane copolymer material used in the groundbreaking stm m28 cabinet. Shure introduction to recording and sound reinforcement. Ge0 m10 main features compact line array element that can be stacked or. Wla15b wharfedale pro sound reinforcement and live. The cla series from seismic audio is the most exciting sound reinforcement option on the market today. For the price of a standard pa, the compact line array gives you all the benefits of true line array while maintaining the portability and ease of use of standard live sound options. China classd powered module, power amplifier, line array. Line source loudspeaker arrays, often called column loudspeakers, have recently become of great interest to. With well over 100 models in more than a dozen applicationspecific series, eaw proudly provides loudspeakers for audio pros to optimize each sound in both. Design guidelines for practical near field line arrays james. Line array is a loudspeaker system that is made up of a number of loudspeaker elements coupled together in a line segment to create a near line source of sound the distance between adjacent drivers is close enough that they constructively interfere with each other to send sound waves farther than traditional hornloaded loudspeakers, and with a more evenly distributed sound output pattern.
Aug 31, 2005 sound reinforcement products for line array positioning a blog designed for sound engineers who install and adjust loud speaker systems and line arrays to achieve the best sound quality for a small intimate club to a 100,000 seat arena. Sound reinforcement is the increasing of the power of sound signals and reproducing them as acoustic signals. Line array systems are now the forerunner in large scale live sound. Toa type c speakers are moduletype 2way line array speaker systems featuring a 20cm lowfrequency. Up to twentyfour gsl8 loudspeakers can be flown in vertical columns producing an 80 constant directivity dispersion pattern in the horizontal plane. That is not to say that they are an entirely new concept. Engineered to deliver high definition, high spl sound reinforcement for a broad range of applications, including concert touring sound and mixedmedia corporate events, the monarc. The mla5 is mccauley sound s original line array system. The advantages of a true line source in sound reinforcement are convincing. At the same time, mla3s monarc integrated rigging system provides operators with the simplest, most flexible and easiest way to fly or stack a line array the industry has ever know. Coupled with the flown kla181 subwoofers, these elegant arrays can solve many of the coverage issues found in most midsize church auditoriums, while improving gainbeforefeedback, and. For this reason, it has become standard practice in the sound reinforcement industry to use computerized acoustical modeling tools to predict and optimize the directional properties of line arrays. Martin audio is committed to refining state of the art sound reinforcement.
Superb in live sound reinforcement or installed situations. The operation t12 is a double 12 threeway triamp line array speaker designed to cover extremely demanding sound reinforcement applica tions, in fixed. Panaray soundreinforcement loudspeakers pointsource acoustics wide vertical coverage column line array acoustics narrow vertical coverage panaray fullrange cone array loudspeakers one of the bestselling sound reinforcement loudspeakers in the world is now in its 4th generation. Session 8 was a multipaper presentation on the topic of sound reinforcement. The mla5 is a lowprofile, axially symmetrical, threeway largeformat line array module based on mccauley sound s revolutionary monarc line array technology. This basic system is intended to provide sound reinforcement for speech, vocals and acoustic music. The gsl8 houses two 14 neodymium forward facing lf drivers and two side firing 10 neodymium lf drivers. Wave field synthesis driving functions for largescalesound.
Described by olson in his classic 1957 text, acoustical engineering, line arrays are useful in applications where sound must be projected over long distances. Wla15b wharfedale pro sound reinforcement and live sound. The martin audio w8lc is a compact line array enclosure designed to bring superb. The distance between adjacent drivers is close enough that they constructively interfere with each other to send sound waves farther than traditional hornloaded loudspeakers, and with a more evenly distributed. The mla3 is a lowprofile, axially symmetrical, threeway midsize line array module based on mccauley sound s revolutionary monarc line array technology. Line array most line arrays are oriented vertically, although horizontal line arrays are commonly used for subbass. In a nutshell, a line array is a column of speaker cabinets designed to collectively function like one large speaker. The wideline8 is a high performance line array system designed fo r portable and installed sound reinforcement. As such, line arrays have become the standard in the professional audio industry as sound reinforcement and public address systems in such applications as live sound, large scale events, stadiums and. Line array speakers subwoofers and systems line arrays.
Uncurved lines do not have desirable directional patterns for most applications. We should probably turn back the clock a little before we go on. Up to twentyfour gsl12 loudspeakers can be flown in vertical columns producing a 120 constant directivity dispersion pattern in the horizontal plane. As a result, ample sound pressure can be delivered to back. An analytical approach for optimizing the curving of line source arrays.
Among toas wide range of sound reinforcement products, line array speaker. It is extremely simple to transport, set up and operate even for novice volunteers. The murphy corner line array mcla is a new type of line array loudspeaker system that i have designed to meet my own requirements for reference monitor loudspeakers with sufficient output to also serve as the sound reinforcement system for my band. Beyma line array system project la103v and sub218 this lowmid frequency transducer offers three main points of interest. Integrated rigging hardware with no loose part and autorigtm feature. Systems play an important role in providing high quality audio for various large. Sound reinforcement is the use of audio amplification systems. The distance between adjacent drivers is close enough that they constructively interfere with each other to send sound waves farther than traditional hornloaded. The session concluded with an extremely effective demonstration of a steered array by graham hendry of tannoy. This report describes why they have become so accepted and widelyused over the last two decades, explores different arrangements of arrays and why these are necessary, the benefits they have over more.
The mla3 is a 3way full range line array module in a computer optimized enclosure. Sound reinforcement products for line array positioning. The dappolito arrangement line arrays j arrays for sound reinforcement frequency tapering band. The ge0 m10 speaker is a compact hightechnology line array. Ribbon driver technology and line array speaker systems. Long, narrow rooms with high ceilings are particularly difficult spaces for which to design soundreinforcement systems. High quality sound reinforcement equipment for demanding environments. Utilising highly advanced point source speaker design, extremely efficient power management amplifier technology and totally unique hybrid signal processing. The gsl12 is a line array module specifically designed for largescale sound reinforcement. Lyonm for primary array coverage and lyonw for wide coverage integrates seamlessly with meyer sound s leom and 1100lfc provides comprehensive monitoring of system parameters on a mac or windowsbased. The line array speaker offers the following three advantages over standard pointsource speakers.
Modern sound reinforcement systems have implemented line array technology as a very effective means of providing coherent and even acoustic coverage in a wide variety of acoustic spaces. Vertical line arrays of loudspeakers are at present gaining prominence among sound reinforcement professionals. Line array does reduce the effect of multipoint sources interfering with each other like the systems of twentyfive years ago, but it is still a long way from the superior results achievable with single point sources. This enables delivering a uniform sound pressure that resists attenuation with distance. A line array configuration can provide a highly focused cylindrical dispersion pattern over a large area. Multiplebeam, electronically steered linesource arrays for sound. Line array speaker systems toa electronics pte ltd. In a perfect world, a trained professional would always be available to purchase, setup, and operate the sound system. X line advance is more than just a line array loudspeaker family for smalltomedium scale fixed installation and live sound reinforcement. That means a point source speaker that is 110db at the source will be 86db at 16 meters while the line array will be 98db. A young john meyer, designing loudspeakers for san franciscos mccune sound service, wanted to bring quality and reliability to sound systems, and he knew the answer lay in selfpowered loudspeakers. This book gives an introduction to the fundamentals of sound reinforcement engineering, and also explains how it relates to disciplines such as room acoustics.
Oct 22, 2020 the brx300 series is a versatile line array for bands, djs, rental firms, houses of worship and anyone who needs a compact, portable system that provides superior fidelity, high output and consistent coverage in a range of sound reinforcement scenarios. Figure 3 shows an electrovoice line array from the 1970s. Touring sound reinforcement for small and mediumsize venues. A typical representation of the one axis multipoint source sound system used commonly today is a line array system. Point source vs line array and introduction to vhd5.
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