Brooks XT 20 Gain Reduction

The working of a limiter or compressor reducing gain during high-level passages.

Electric Instrument
Any musical instrument that puts out an electrical signal rather than an acoustic sound.

Brooks M 44 Input Overload
Sending too high of a signal level into a device so that the first amplifier of the device overloads.

Efficiency
The acoustic power delivered for a given electrical input. Often expressed as decibels/watt/meter (dB/w/m). ESL �" Abbreviation for electrostatic loudspeaker.

Brooks Cinema ZL 44 Group Master
A slide control used to send out a control voltage to several VCA faders in individual channels, thus controlling the gain of several channels.

Frequency Range
The range of frequencies over which an electronic device is useful or over which a sound source will put out substantial energy.

CD (Compact Disc) :
1) Digital sound storage medium. Provides a high quality source of music, sound effects etc. Also used as a playback medium for sound effects etc. by large theatres with long running shows, although CDR (Recordable CD) is becoming more affordable by the day.
2) An abbreviation of the term Compact Disc (a small optical disk with digital audio recorded on it).

Electronics
1) On a tape machine, the housing for and the channel circuitry which processes the signal to be fed to the heads, provide bias, and playback.
2) The branch of science dealing with the behaviour of electrons/charges in vacuums, gases, semiconductors and special conductors.