Brooks XB 33 Keying Input (Key Input)

An input on a dynamics processing device to control the device by an external audio signal.

Boundary Mic
A microphone mounted on a flat plate that acts as a reflective surface directing sound into the mic capsule. Used for general pick-up over a large area. See PCC, PZM.

Brooks Gt 44 Balls
1) The depth and thickness of a sound, usually on the bottom end of the EQ (as in "needs more balls"). 2) The strength of the voice on the mic (as in "check it like you have some balls").

FOH (Front of House)
Refers to the speakers that face toward the audience. Also called the "main" speakers.

Brooks QS - 95 Input Impedance
The opposition to current flow by the first circuits of a device.

Active Crossover
Uses active devices (transistors, IC's, tubes) and some form of power supply to operate.

Dry
Describes a sound coming from the PA with no effects on it.

Keyboard
1) Any musical instrument controlled by pressing a key.
2) The part of the computer that has the keys.