Z - Used Product Index

Arc Lamp - An arc lamp is a device that produces light by the sparking (or arcing, from voltaic arc or electric arc) of a high current between two carbon rod electrodes. The rods are touched and then slowly draw. Used . n apart; as the rods separate the current is "struck" and arcs across the gap in a bright, ionized path. The arc produces a temperature of several thousand degrees, and the tips of the carbon. Used . rods are heated to incandescence, creating light. The rods are slowly vaporized during the process and need to be regularly adjusted to maintain the arc. The concept was first demonstrated by Sir Humphry Davy...

Scoop Light - Scoop lights or Scoops are circular fixtures that do not have any lenses. They have a reflector at the back of the fixture that directs the light out of the fixture. Since they do not have any sort o. Used . f lens system they are cheaper than other fixtures. However, the downside of this makes it so that you can not focus the light at all (even PAR's allow for more control than scoops). . Used .

Patch Bays - A patch bay is a panel, usually rack mounted, that uses cable connections to allow technicians to quickly change the physical path of a select signal. Generally, shorter patch cables will plug into fr. Used . ont of the panel, while the back will have have much longer connections to more permanent cables and equipment. . Used . ...

Ground Support - In Staging, Ground Support applies to any electrical or mechanical device to aid a rigging crew in lifting and placing staging gear, lighting or audio gear into place.. Used . . Used . ...

Subs - A sub or subwoofer is a speaker dedicated to the reproduction of bass frequencies, usually from about 20 Hz to about 200 Hz. . Used . . Used . ...