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M
MAC
A range of professional moving lights made by Martin in Denmark.
MAGNETIC TRANSFORMER
Employed for both single and multiple lamp operation, uses the principle of inductance (the ability of a device to store energy in the form of a magnetic field) to produce the voltage change.
MAINTAINED ILLUMINANCE
Initial illumination level from luminairs adjusted for depreciation of lamp lumens by aging, effects of dirt accumulation on luminair surfaces, and other factors.
MANUAL DESK
A lighting desk where the interface between operator and dimmer is a fader, rather than a computer. Many modern manual desks have some memory facilities built in, but there are still a large number of venues with solely manual systems.
MAROON
An electrically detonated pyrotechnic device giving the effect of a loud explosion. Made from gunpowder encased in stout cardboard or string. Must be used within a metal bomb tank. Originally developed in the second half of the last century to simulate the sound of cannon. It was often used to call out the volunteer lifeboat crew in an emergency.
MASK
- Form of theater where actors faces are covered with masks.
- Early word for GOBO.
MASTER
An overall control on a lighting or sound control board. The Grand Master takes precedence over all other controls.
MASTER ELECTRICIAN
In entertainment lighting, the Master Electrician's primary responsibility is the technical execution of the lighting design as specified by the lighting designer or lighting director. Typical tasks include the organization of crews and schedules as well as the technical planning, rental, installation, and maintenance of equipment. A Master Electrician is rarely licensed as a professional general electrician.
MAXXYZ
Moving Light console produced by Martin.
MBI
Metal Halide discharge lamp.
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