Buy Used XLC127 by Electro-Voice

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XLC127 Line Array Speakers

...d on two Hydra plane wave generators. 120 degrees, is designed for triamp operation. For biamp operation, a x-over for mid-bass and high frequencies is available as an accessory. The Xlci127DVX version is designed for permanent installation applications, with specially designed mounting hardware for easy, cost-effective hanging.

Electro-Voice Line Array Speakers

Electro-Voice Prominent maker of microphones; also loudspeaker systems, amplifiers.

Color Changers - A conventional lighting fixture with a remotely controlled colored changeable filter over the lens. There are three kinds of mechanisms used in color changers, a wheel with lens sized holes into which. Used . colored gells can be placed, multiple fixed filters that can be moved in and out of the beam to mix the colors and a scroller which uses continuous, usually dichroic, filters to mix an even . Used . greater number of colors.



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Zoom Lens - A mechanical assembly of lens elements with the capability to vary its focal length allowing for a closer or farther view of a subject, without changing perspective. Zoom lenses are often described b. Used . y the ratio of their focal lengths from longest to shortest. A 100mm to 400mm zoom may be described as a 4:1 or 4× zoom.

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Pattern - Pattern refers to the shape, quality and evenness of a lamp's output. The pattern of light an instrument makes is largely determined by three factors. The first are the specifics of the bulb, reflecto. Used . r and lens assembly. Different mounting positions for the bulb (axial, base up, base down), different sizes and shapes of reflector and the nature of the lens (or lenses) being used can all a. Used . ffect the pattern of light. Secondly, the specifics of how the lamp is focused affect its pattern. In Ellipsoidal Reflector Spotlights (ERS) and their derivatives (see below), there are two beams of light emit...

Acoustics - Acoustics is a branch of physics and is the study of sound, mechanical waves in gases, liquids, and solids. A scientist who works in the field of acoustics is an acoustician. The application of acoust. Used . ics in technology is called acoustical engineering. There is often much overlap and interaction between the interests of acousticians and acoustical engineers.

"... acoustics is . Used . characterized by its reliance on combinations of physical principles drawn from other sources; and that the primary task of modern physical acoustics is to effect a fusion of the principles normally adhering t...

Artnet - A lighting control protocol that is run over ethernet. Developed by Artistic Lisence. This protocol can use up to 256 DMX512 universes. This technology can also run over wireless ethernet.. Used . . Used . ...

Line Array Speakers

Line array speakers make up a loudspeaker system to create a sound source that produces an evenly distributed sound output. The driver of each line array element is close enough to the driver of the next element to create constructive interference. The resulting sound waves go farther than sound waves from traditional loudspeakers. Line array systems date back to the early days of research in acoustics. Many old town halls and public venues still have old line source boxes which were found to project voice well though they are much smaller than horn-loaded speakers. These days, line array speakers use different drivers for high-, mid- and low-frequency passbands that must be in line. Each enclosure must be set up closely to form columns composed of these drivers. To increase the frequency range and maximum sound pressure, the number of drivers per enclosure must be increased. The orientation of line array speakers may vary. Vertical arrays are excellent for focusing sound at audiences without wasting output energy on ceilings or empty air above the audience because of its very narrow vertical output with a normally-wide horizontal pattern. On the other hand, horizontal line arrays have a very narrow horizontal output with a tall vertical pattern. For hanging concert speakers which are usually part of a concert reinforcement system, enclosures are set up together using a specialized rigging hardware and they hang from a single point. These line array speakers are curved backward at the lower portion so that the sound will reach more audience.