Zoom Ellipsoidal - A type of profile spot with two lenses allowing the adjustment of both the size of the beam and whether it is a hard or soft focus. This adjustment of focal length makes for an instrument with many us. Used . es around the stage. The flexibility is also vital when working with gobos. Also known (in the US) as a Zoom Ellipsoidal.. Used . ...
Stepper Motor - A stepper motor is a type of electric motor that is used when something has to be positioned very precisely or rotated by an exact angle.
In a stepper motor, an internal rotor containing. Used . permanent magnets is controlled by a set of stationary electromagnets that are switched electronically. Hence, it is a cross between a DC electric motor and a solenoid. Stepper motors do not. Used . use brushes and commutators.
Stepper motors have a fixed number of magnetic poles that determine the number of steps per revolution. Most common stepper motors have 200 full steps/revolution, mea
Scaffolding - Scaffolding is a temporary platform or framework, either supported from below or suspended, that is used to support people and material during the set up and deconstruction of a stage or venue.
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Cabinets - A cabinet is a loudspeaker enclosure designed to prevent sound waves from the rear of the speaker combining with the sound waves from the front of the speaker creating
interference that would c. Used . ause the efficiency of the speaker to be compromised.. Used . ...
Backline - Backline is equipment that is located behind a live band while they are performing. Such examples of backline include amps for guitars and basses. It is the equipment that the band needs aside from . Used . the actual instruments that they are holding and using and the PA and FOH desks.
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