Brooks QS 70 Capo

A clamp-like device that is placed vertically across the guitar neck. It is used to change the pitch of the guitar, acting as a moveable nut.

Cycle
1) An alternation of a waveform which begins at a point, passes through the zero line, and ends at a point with the same value and moving in the same direction as the starting point.
2) On a Solid State Logic Console, a command to have the console computer control the tape machine to play and replay a certain section of the tape.

Brooks Cinema Projectors Buss (Bus)
A wire carrying signals to some place, usually fed from several sources.

Earth
The British version of the term Ground (In electronics, a place that has zero volts).

Brooks Cinema xm 808 Crossover Frequency
1) The frequency that is the outer limit of one of the bands of a crossover.
2) In the Lexicon 480L delay/reverberation effects unit, the frequency at which the bass frequency reverb time is in effect rather than the mid frequency reverb time.

Controller
1) In MIDI, a device that generates a MIDI signal to control synthesizers, sound modules or sample playback units.
2) A remote control unit for a multitrack tape machine which controls transport functions as well as monitor selection switching functions and record ready/safe status of each track.
3) Any device generating a control voltage or signal fed to another device's control input.

Impedance Matching
Having or converting the output impedance of a device so that it matches the impedance of the input it will feed.

Librarian Program
A computer program allowing the storage of the parameters of sound patches outside of a synthesizer.