It combines innovative acoustic design with powerful optimisation software to achieve optimum coverage with unprecedented accuracy over a predefined area. The distance between adjacent drivers is close enough that they constructively interfere with each other to send sound waves farther than traditional horn loaded. To keep the pattern control precise martins mla compact design used separate horn for the mf and hf horns. Another paper that looks at applications of horn antennas is 6. As it has been mentioned before in this manual, the metal hardware is composed of. See more ideas about speaker box design, speaker design and speaker plans. In the design of this array, the authors pay particular attention to suppressing the side lobes, increasing the antennas use in directional applications such as radar. The sla, short line array, takes the line source concept to the small end of the scale. For cabinets that are equipped with rotatable hf horns, both horn.
Nevertheless, outofline seriesfed patch arrays have a certain disadvantage. The t10 is a passive 2way loudspeaker housing two 6. 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. Figure 211 shows the corner line array placed in the corner of a room. Your line array top should be better at coupling of multiple cabinets. Line array subwoofers, wlx horn and reflex loaded subwoofers or wsxa horn loaded subwoofers. With this i designed a short horn with a wide mouth to help disperse the sound. The sound must appear precisely in phase along the full length of the mouth of the horn. Just like its older and more expensive predecessors, seismic audio line array is a large step forward in. View and download martin audio w8lm specifications online.
Audio offers a variety of professional line array waveguides for integration into modern line array systems. The la112a is a flexible, scalable line array speaker system allowing a wide range of installation and mounting configurations. Oline is an awardwinning, aesthetically pleasing, modular micro line array designed for a wide variety of architectural applications from houses of worship to transport terminals. Transmission line labyrinth length of transmission line has to be long enough to provide at least 90. Line array this concept uses a number of loudspeakers aligned in a vertical array to provide an in phase feed creating a near line source to the listeners. Figure 3 shows an electrovoice line array from the 1970s. A wide variety of horn line array options are available to you, such as home theatre, aviation, and computer. This design gave a great flat response in the mid frequency range with a great wide dispersion. You have clicked a page that seems to be very popular. Figure 211 shows the cornerlinearray placed in the corner of a room. Jun 18, 2014 how to make diy passive line array speaker system part 1 duration. See more ideas about speaker plans, speaker design and speaker box design. The straddling pairs emit frequencies in the next lower frequency band relative to the frequency band of the.
Since this is a compact array i wanted to assist in wave direction to obtain a great wave dispersion. This design is discussed in full in our audio building blocks series. The unit elements have been fed uniform in phase and in. Wave guide horns for line arrays must be straight, not radial. The goal is to have great sound dispersion while maintaining a flat response curve that would dip into the low end spectrum while maintain a respectable high end, with no accompanying hf drivers. Following the allhorn design philosophy of the fullsize w8l longbow, the w8lc is a 3way system that combines line array principles with innovative horn loading techniques to produce a very powerful compact line array with impressive dynamic impact. How to make diy passive line array speaker system part 1 duration. In a symmetrical embodiment, central apertures are straddled by a sequential pairs of sets of apertures. You can also choose from portable horn line array, as well as from 2 2.
Well, to make the whole concept of the line array viable, each individual cabinet has to be a line source in its own right, or at least approximate a line source as closely as possible. See more ideas about speaker plans, speaker box design and speaker design. The martin audio w8lm is a mini line array enclosure designed to bring line array performance benefits to a variety. X line is a concert sound loudspeaker system that combines highlevel sonic impact and vocal intelligibility with the uniform, predictable coverage that only a line array can deliver.
The gsl8 houses two 14 neodymium forward facing lf drivers and two side firing 10 neodymium lf drivers. Just like its older and more expensive predecessors, seismic audio line array is a large step forward in speaker design from the standard box on a stick. The project was to create a compact line array using small full range drivers. Xline is a concert sound loudspeaker system that combines highlevel sonic impact and vocal intelligibility with the uniform, predictable coverage that only a line array can deliver. Aug 18, 2009 line array wave guides line array marketing does not refer to these horns as diffraction horns but as wave guides. This is instead of the spherical wavefront emitted from a point source. For this, the highfrequency drive unit needs very sophisticated design to produce the required wavefront that diverges hardly at all in the vertical dimension. An2775 compact line array celestion bass reflex front horn design goal the project was to create a compact line array using small full range drivers. That is the whole idea of the line arrays reduced lose in gain over distance. Design guidelines for practical near field line arrays james r. Following the constant directivity horn design philosophy of the w8l and the w8lc, the w8lm is a threeway. The xline system provides wide horizontal dispersion from a single vertical line array with exceptionally coherent wavefront summation in the vertical plane.
Can you get those benefits from a line array that doesnt run from the floor to the ceiling. Design guidelines for practical near field line arrays. In the design of this array, the authors pay particular attention to suppressing the side lobes, increasing the antennas use in. In light of the front and side wall reflections we now have four arrays tightly packed into the corner. Arraying several speaker cabinets vertically is a far more effective method of delivering and directing sound. Following the all horn design philosophy of the fullsize w8l longbow, the w8lc is a 3way system that combines line array principles with innovative horn loading techniques to produce a very powerful compact line array with impressive dynamic impact. A line array is a line of adjacent loudspeakers that coherently couple together creating a line source. Now lets look at the view from above when a line array is placed in the corner of the room. Jbl irx series powered loudspeakers with bluetooth.
Prv audios wg 500 lightweight aluminum horn is designed specifically for line array applications. 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. The kf850 coaxial threeway design places the hf driver and horn in the lf cones. The greater the number of individually driven enclosures, the more precisely display can finetune the arrays coverage, consistency and control within the venue. 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. In the design i posted the expansion rate is equal to that of a conical horn with an opening angle of 4.
A number of line array designs exist in both professional audio and home audio. Line array a loudspeaker system that is made up of a number of elements coupled together in a vertical line segment to create a nearline source of sound. With unmatched line array performance inherent in the acoustic design of wpl, scalable resolution offers versatility in the way a wpl array is powered and optimised. Beyma line array project page 3 beyma line array system project la103v and sub218 this low frequency transducer is specially intended for the most demanding applications. Diy line array for the last decade, ive been interested in line arraysobserving a concert at the large portland colosium poved to be quite an education.
The t10 can be used both as a line array and as a high directivity point source loudspeaker. Top view of the corner line array with reflections. The benefits of a line array are high sensitivity, wide horizontal dispersion, and a high degree of vertical pattern control. Being an avid audiophile, i couldnt help but notice the long stacks of speakers suspended from the ceiling, and thinking that what they really needed was a horn and then the artist began. That is the whole idea of the line array s reduced lose in gain over distance.
Line array wave guides line array marketing does not refer to these horns as diffraction horns but as wave guides. Free support for loudspeaker projects, sourcing oem speaker building supplies, and passive crossover design. The opening angle of the bms 4590 is 1 degree, so as long as its bigger than this, it should be fine. A closer look at line array systems and how they work. Audio devices utilize a converging lens technology designed to mate with either large format 1. Plans to build la112 line array speaker cabinet dual and. High frequency line array devices pro audio components. A line array speaker provides highly uniform frequency response throughout a wide listening field, while also reducing distortion and improving fidelity, clarity, and output level. You will just have to use appropriate 1inch driver that can go down to 800hz and that will be bms drivers. A true line source will create a cylindrical wavefront propagating perpendicularly to the line source. All speakers produce sound in both the near field close to the speaker and the. The murphy cornerlinearray an open loudspeaker design project by john l. Compared to traditional horizontal arrays, a kf860kf861 virtual line array.
The x line system provides wide horizontal dispersion from a single vertical line array with exceptionally coherent wavefront summation in the vertical plane. Line arrays signal levels do not drop off as steeply with. The distance between adjacent drivers are close enough that they constructively interfere with each other to send sound waves farther than traditional hornloaded speakers and with a more. As a rule of thumb, for equal onaxis sound pressure levels one has to use twice the number of line array cabinets compared with the number of horn loaded cabinets in a traditional system. The challenge for kv2 in building a large point source system for audiences of 50,000 people plus, was to reproduce the low mid energy that certain line arrays provide, though the summing of multiple. Every radiating element was fed with parallel feeding. Im currently building your diy midhigh design with 90x50 horn because i like the concept of having a single point source. We sell raw speaker drivers tweeters, woofers, subwoofer, midrange drivers, full range drivers, speaker kits, amplifiers, capacitors, resistors, and inductors. Plan dual 12 line array speaker midhi element youtube.
Alibaba manufacturer directory suppliers, manufacturers. For this i could only come to the conclusion of using a front horn. There are 1,024 suppliers who sells horn line array on, mainly located in asia. Kv2 audios philosophy has always been to embrace the principles of point source speaker system design to provide optimum sound quality and coverage for applications and audiences of all sizes. It is a reflex design, intended for use away from walls. Its design concept arises from the need of achieve a more resistant loudspeaker that matches the more and more power given by ultimate amplification systems. These cabinets are close enough together so there is minimal interference and can provides an evenly distributed sound output pattern.
The gsl8 is a line array module specifically designed for largescale sound reinforcement. Line array speakers subwoofers and systems line arrays. In the low frequency section, the 15 380mm hybrid bass horn design is responsible for the tight, punchy and. Being an avid audiophile, i couldnt help but notice the long stacks of speakers suspended from the ceiling, and thinking that what they really needed was a hornand then the artist began. This replaces the manual process of selecting specific. Long held as the exclusive domain of the largest venues and touring companies, line array has finally become affordable to everyone thanks to seismic audio. It is a open design based on proven and practical line array cabinet design that uses offtheshelf drivers for simplicity, maintainability and affordability. The hf driver is fitted to a unique waveguide horn producing vertical line source. Mini, high performance threeway line array enclosure. In order to accomplish that, almost every component of the speaker has been reconsidered.
1607 964 353 895 235 1155 987 1226 1048 109 1636 411 586 850 461 238 1102 99 180 493 554 1308 944 1480 584 909 1074 258 927 1023 787 643 1472