Brooks M 44 Headroom

1) The level difference (in dB) between normal operating level and clipping level in an amplifier or audio device.
2) A similar level difference between normal tape operating level and the level where the distortion would be 3%.
3) The difference, in decibels, between the peak and RMS levels in program material.

Analog To Digital Converter
The device which does the conversion of a quantity that has continuous changes (usually of voltage) into numbers that approximate those changes.

Brooks XT 20 Byte
A grouping of eight information bits.

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.

Brooks BA 71 Hum
The 60 Hz power line current accidentally induced or fed into electronic equipment.

Light Emitting Diode
A light that allows current to flow in one direction only and emits light whenever a voltage of a certain level or beyond is applied to it.

Frets
Vertical metal wires which sit vertically on the guitar neck.

High Impedance
Impedance of 5000 or more ohms.