Line array sound reinforcement pdf

The gsl12 is a line array module specifically designed for largescale sound reinforcement. Linesource loudspeaker arrays, often called column loudspeakers, have recently become of. Line array technology has revolutionized sound reinforcement, particularly for large. Delay systems for large scale outdoor sound reinforcement. Typically, these applications must operate in both near and far fields. The vtx v25ii is a full size 3way highdirectivity line array element that includes a new 4th generation waveguide which improves long throw performance, wavefront control, and is an improved power match for the crown it4x3500hd. The kp102 can reproduce the entire vocal frequency range with high intelligibility, starting from 120 hz and integrating one of our thunder or rumble. For low frequencies this is no problem, where the size of the speaker is well within half of the wavelength. The mla5 is a lowprofile, axially symmetrical, threeway largeformat line array module based on mccauley sounds revolutionary monarc line array technology. 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. Vxl series line array speakers offer a unique combination of outstanding sound quality and slim form that is ideal for a variety of environments. Aes conference on sound reinforcement, struer, denmark, august 30 septe mber 2, 2017 page 10 of 12 fig 3. Seismic audio cla2x5 compact 2 x 5 line array speaker with titanium compression driver padj band live sound. Outdoor concert speakers qscq5 line array sound system, 12 inch speakers prices qscq5 is a dual 12inch threeway highpower speaker, with q5s midbass.

For the high frequencies, some other method must be employed to attain directional characteristics that match those of the lows and mids. Column line array for high end reinforcement gearslutz. Vertical line arrays of loudspeakers are at present gaining prominence among soundreinforcement professionals. 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 nearline source of sound. The most practical method for reinforcement systems is to use wave guides horns. The m3d line array loudspeaker is, of course, the notable exception. Compact active line array sound reinforcement system. To cover the first rows of the audience two loudspeakers are placed as near fill under the array in 1. Among toas wide range of sound reinforcement products, line array speaker systems play an important role in providing high quality audio for medium sized venues that can range from places of worship, gymnasiums, to various sports facilities and other problematic environments. Toa type c speakers are moduletype 2way line array speaker systems featuring a 20cm lowfrequency. Beyma line array system project la103v and sub218 this lowmid frequency transducer offers three main points of interest. The systems impressive transparency allows the audience to hear each instrument vocals, bass, sax, drums, guitar simultaneously. Such a speakers antiaging strength is very strong, longterm exposure to the sun and rain, while installed indoors is good to prevent moisture. Design guidelines for practical near field line arrays.

A full line of subwoofers to complement any vtx series fullrange product. Column arrays can be great for certain situations, but definitely not something you want to use if you are intending to provide sound reinforcement in multiple acoustic environments. In many situations, a sound reinforcement system is also used to enhance or alter the sound of the sources on the. The spectacular system was developed for largescale sound reinforcement in reverbsensitive areas. Line array systems are now the forerunner in large scale live sound. Panaray soundreinforcement loudspeakers avv zaanstad. The martin audio w8lm is a mini line array enclosure designed to bring line array performance benefits to a variety.

Line arrays have brought the added dimension of array interaction to the process, greatly complicating the. The term linearray is used to describe a speaker system having multiple speaker units with the. Line array element, 2 way passive or active, with 12 lf and 3 voice coil 1. That is not to say that they are an entirely new concept. Nevertheless, the amt is perfect for a line array because of. 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. 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.

Its unique flexible baffle allows you to tailor the loudspeakers vertical coverage to a wide variety of listening environments. Line array technologies need to be properly understood because they underpin sound reinforcement today and in the foreseeable future. But why are line arrays the current best practice in largescale pa, how did they. Simply push or pull the array into position to create straight, c, j or. 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.

Pdf practical considerations for subwoofer arrays and. Browns paper context is mostly for installed sound systems, properly designed for a given venue. The murphy cornerlinearray 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. Line array calculator iii, performance manager, vertec line array calculator. This basic system is intended to provide sound reinforcement for speech, vocals and acoustic music. Speakers professional audio products yamaha united. Line array speakers subwoofers and systems line arrays. Fullrange, 20 degree, constant directivity sound reinforcement loudspeaker. The line array is far too big a thing to set up in the same way, and once its set up you dont really want to have to move it, so you need to be sure that the positioning is right, the height is right, the horizontal angling is right, and most of all it that the array takes up the optimum jshaped curve to distribute sound evenly to. 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. A brief history of live sound reinforcement youtube. It is suitable for speech reinforcement in large reverberant environments if.

Pythonkp102 i the pythonkp102 is a pure line array, one meter long and just over 3 inches wide, with twelve closelyspaced 3. In other words, linking boosts the effective length of linearray speakers by a factor of five, thereby ensuring clearer and more even sound reinforcement of speech in bigger venues or over longer distances. The cabinet is injectionmoulded from the same urethane copolymer material used in the groundbreaking stm m28 cabinet. The most practical method for reinforcement systems is to use waveguides horns coupled to compression drivers. Experience leo the meyer sound flagship line array system that remains linear and predicable across all frequencies and at very high sound levels. View and download beta three r12a user manual online.

The cla series from seismic audio is the most exciting sound reinforcement option on the market today. Product description the v12 is a 3way passive design housing 2 x 10 lf drivers, one hornloaded 8 mf driver and two 1. Line array background much of the literature see references 1 5 on line array technology centers upon application for professional sound reinforcement applications. The adamson sseries solves a problem that most rental houses face, which is how to get consistent coverage and excellent power out of a subcompact system. Utilising highly advanced point source speaker design, extremely efficient power management amplifier technology and totally unique hybrid signal processing, kv2 has created the first major advancement in large scale concert sound reinforcement since the development of the line array. Rugged construction and superior engineering make this the. Line array sound reinforcement systems using air motion.

Bose work solutions bring the simplicity and clarity of bose to conferencing. Following are some additional thoughts from other sound. It is extremely simple to transport, set up and operate even for novice volunteers. These characteristics make it suitable for high quality sound reinforcement systems, especially for live applications. However, manufacturers of sound reinforcement systems are reserved to airmotiontransformers due to the alleged lack of maximum level. 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. Interview with metallicas foh legend big mick hughes worldwired tour. Line arrays for live sound stephen bunting line array systems are now the forerunner in large scale live sound reinforcement. From allinone innovations for huddle spaces, to desktop and mobile conferencing products, to fully integrated systems for meeting rooms, bose work solutions help everyone hear more, see more, understand more and work better. The bose f1 model 812 12 watt powered loudspeaker is the first powered loudspeaker that delivers the benefits of an adjustable array in a portable system package. Ge0 m12 main features powerful line array element that can be stacked or. I specify a lot of different column array products. Toa line array speaker systems are designed to perform optimally with ideal sound dispersion. After noting that professional musicians were using.

The gsl8 houses two 14 neodymium forward facing lf drivers and two side firing 10 neodymium lf drivers. It meets the need for a versatile, scalable system that can be flown or ground. Below are excerpts from jim browns 20 page aes paper pdf with sound coverage modeling examples and 51 technical references, called systems for stereophonic sound reinforcement. F1 model 812 flexible array loudspeaker bose professional. A line array is a loudspeaker system that is made up of a number of usually identical. High quality sound reinforcement equipment for demanding environments. Bose 901 speakers as pa speakers, the company developed the bose 800, which maximized sound quality. The sonic detail of studio monitors at large concerts. A sound reinforcement system is the combination of microphones, signal processors, amplifiers, and loudspeakers in enclosures all controlled by a mixing console that makes live or prerecorded sounds louder and may also distribute those sounds to a larger or more distant audience. Practical line array systems therefore act as line arrays only in the low and mid frequencies. Dsr provides a listening experience that redefines high definition sound reinforcement. In the 60s and 70s, sound reinforcement systems used in popular music concerts were. Traditional 2way line array designs cannot provide even horizontal coverage in the midrange, which is why we designed our patentpending controlled summation technology.

All elements of the vdosc system have been selected for their quality and durability and there is a strong emphasis placed on complementary technical support and training. Standard speaker point source linearray speaker line source because the sound also disperses widely in the vertical plane, a significant amount of reflection occurs at the roof and floor. For the same band, playing at the same volume in the same venue, a line array speaker system may be. In the 1970s, sound reinforcement technology was inconsistent science at best, and at worst, led to showending failures. Toa line array speaker systems are designed to perform optimally. Near fill main pa for soundreinforcement in an arena we consider a main pa system consisting of two linearrays hanging from the roof at the left and right of the stage mainpa. This system can be directed from rdnet or by simply using a manual remote. Lyon linear line array loudspeaker lyon meyer sound. Understanding sound reinforcement power amplifiers part 2 duration.

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