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 camera lens which has a focal length that is longer than the diagonal measure of the film or sensor that receives its image. It is used to make distant objects appear magnified with magnification increasing as longer focal length lenses are used.

See Moving Light

A multichannel, programmable "intelligent light" with one or more optics capable of panning, tilting, zooming, changing beam color or pattern or other user-defined options, produced by manufactures such as Varilite, Martin, Robe, Elation and related companies.

Large monitor attached to the multiview output on a video switcher that displays a preview of video inputs available, as well as the currently-selected program and preview channels.

Term used to refer to a sound system used to amplify and project an individual or group's voice over a large area.

A new category of fixture to the entertainment-lighting world. Featuring a patented wave-lens design and easy focusing knob, the PARNel lets you quickly access a range of 25°-45° a smooth, soft, symmetrical field that you can spot or flood as needed.

AKA a gyve, is a U-shaped piece of metal secured with a clevis pin or bolt across the opening, or a hinged metal loop secured with a quick-release locking pin mechanism. The term also applies to handcuffs and other similarly conceived restraint devices that function in a similar manner

See Crossbar

A loudspeaker designed to reproduce low-pitched audio frequencies known as bass and sub-bass, lower in frequency than those which can be generated by a woofer.

Steel clamps with the ability to swivel and adjust freely.

A rigging device used to apply tension, adjust tension, and eliminate slack in cables, ropes, and other assemblies. They consist of a body with both a right-hand threaded fitting and a left-hand threaded fitting. There are many turnbuckle end fittings, the most common being eyes, jaws, and hooks.