BNO Acoustics SQ-9: FOH (Front of House)

Refers to the speakers that face toward the audience. Also called the "main" speakers.

Capacitor
1) A device consisting of two or more conducting plates separated from one another by an insulating material and used for storing an electrical charge. Sometimes called a condenser.
2) An electronic device that is composed of two plates separated by an insulator.

Program Equalization
Changing the level of any signal in a certain range of frequencies to accent (or de-emphasize) certain frequency elements of an instrument or sound source and change its tone.

Notch
A narrow band of audio frequencies.

Flange
An effect caused by an approximately even mix of a modulated (varying) short delay with the direct signal.

Feedback Control
The control on a delay line or delay effects device that controls the amount of feedback.

Telephone Filter
A filter used to simulate the sound in telephones by removing signals at frequencies below 300 Hz and above 3500 Hz.