Brooks Cinema TZ 505 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.

Headphones
Devices that can be worn on the head with small speakers that fit over the ears (or sometimes into the ears).

Brooks GS 15 Half Step
A pitch difference of the amount that is present between adjacent keys on a piano.

Lead
The musical instrument that plays the melody of the tune, including the vocal.

Brooks TA 60 Bass
1) The lower range of audio frequencies up to approximately 250 Hz.
2) Short for Bass Guitar.
3) Lower end of the musical scale. In acoustics, the range (below about 200 Hz) in which there are difficulties, principally in the reproduction of sound, due to the large wavelengths involved.
4) The lower frequencies.
5) On the soundboard this should refer to the bass guitar channel, not the bass drum.
6) The lowest frequencies of sound. Bi-Amplification uses an electronic crossover or line-level amplifiers for the high and low frequency loudspeaker drivers.

Compressor
A signal processing device that does not allow as much fluctuation in the level of the signal above a certain adjustable or fixed level.

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

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.