Brooks Cinema XR 607 Level

Sets output volume of individual PA input channels. Usually positioned as sliders at the bottom of the soundboard.

Electret Condenser
A condenser microphone that has a permanently polarized (charged) variable capacitor as its sound pressure level sensor.

Brooks Cinema xm 808 Inductance
The property of an electric circuit by which a varying current in it produces a varying magnetic field that introduces voltages in the same circuit or in a nearby circuit. It is measured in henrys.

Figure Eight Pattern
Another name for Bi-directional Pattern (microphone pickup pattern picking up best from the front and back of the diaphragm and not picking up from the side of the diaphragm).

Brooks GT 44 Contact Microphone
A device that senses vibrations and puts out an audio signal proportional to the vibrations.

Bulk Dump
Short for System Exclusive Bulk Dump (a method of transmitting data, such as the internal parameters of a MIDI device to another MIDI device).

Arc
The visible sparks generated by an electrical discharge.

Ground Loop
A double grounding of a line or electronic device at two different "ground" points of differing voltage.