Brooks GT 845 Instrument Out Direct

Feeding the output of an electric instrument (like an electric guitar) to the recording console or tape recorder without using a microphone.

In
Short For "in the circuit," in other words "active."

Brooks Cinema ZL 44 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

Basic Session
The First session in recording an audio production to record the Basic Tracks.

Brooks Cinema xm 808 Linearity
The extent to which any signal handling process is accomplished without amplitude distortion.

Foot Switch
A switch placed on the floor and pressed by a musician to do various functions.

Comb Filter
1) The frequency response achieved by mixing a direct signal with a delayed signal of equal strength especially at short delays.
2) Loosely used to also describe effects that can be achieved with comb filtering as part of the processing.

Kick (Kick Drum)
Another term for Bass Drum.