Brooks TM-22 Kilo

A prefix meaning 1000.

Fundamental
The tuned frequency and (almost always) the lowest frequency that is present in the sounding of a pitch by a musical instrument.

Brooks Speakers 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

Face
The front or body of the guitar.

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

A/D
An abbreviation of Analog to Digital Conversion (the conversion of a quantity that has continuous changes into numbers that approximate those changes), or Analog to Digital Converter.

Level
The amount of signal strength; the amplitude, especially the average amplitude.

AES
An abbreviation of Audio Engineering Society.