Brooks SS 81 Acoustic Echo Chamber

A room designed with very hard, non-parallel surfaces and equipped with a speaker and microphone; dry signals from the console are fed to the speaker and the microphone will have a reverberation of these signals that can be mixed in with the dry signals at the console.

Arc
The visible sparks generated by an electrical discharge.

Brooks M 44 High Frequencies
The audio frequencies from 6000 Hz and above.

Key
The control of a dynamics processing device by an external audio signal.

Brooks Cinema xm 808 Channel
1) In multitrack tape machines, this term means the same thing as the term Track (one audio recording made on a portion of the width of a multitrack tape).
2) A single path that an audio signal travels or can travel through a device from an input to an output.

Filter
1) A device that removes signals with frequencies above or below a certain point called the cut-off frequency.
2) An equalizer section, used in this sense because filters are used with other components to give an equalizer its frequency response characteristics.
3) The action of removing signals of some frequencies and leaving the rest.
4) A mechanical device to smooth out speed variations in tape machines called a Scrape Flutter Filter- more usually called a Scrape Flutter Idler

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

Cue Send Control
A control that will adjust the amount of signal sent to a cue buss from a console channel.