Brooks SS 81 Insulator

A substance such as glass, air, plastic, etc., that will (for all practical purposes) not conduct electricity.

Cycles Per Second
A unit used in the measure of frequency, equivalent to Hertz. Cycles Per Second is an outdated term replaced by Hertz in 1948.

Brooks GT 44 High Impedance Mic
A microphone designed to be fed into an amplifier with input impedance greater than 20 k ohms.

Attenuation
A making smaller: reduction of electrical or acoustic signal strength.

Brooks Cinema NZ 60 High Hat
A double cymbal on a stand which can be played with a foot pedal or by the top cymbal being hit with a stick.

Equal Loudness Contours
A drawing of several curves showing how loud the tones of different frequencies would have to be played for a person to say they were of equal loudness.

In Port
A jack on a MIDI device or computer that will accept an incoming data signal.

Attenuator (Pot)
The electronic dohickey under the knobs that increases or reduces the strength of the signal running through it. When these get old and dirty, they can make popping noises or rumbles in your PA (As in "my pots are dirty").
Assign Tochoose to which place an output is going to be sent.