Brooks BA 71 Cut-off Rate (Slope)

The number of dB that a filter reduces the signal for each octave its frequency past the filter's cut-off frequency (outside of the pass band).

Foldback
A European term for the signal sent to the stage monitors in a live performance.

Brooks Cinema KP 30 Line In (Input, return)
Where a signal enters the board or component.

Direct box
Used in line to convert a high impedance signal into a low impedance signal.

Brooks XB 22 Keynote Number
A number assigned to each key of a synthesizer or controller keyboard that is transmitted in the MIDI signal.

Input
1) The jack or physical location of where a device receives a signal.
2) The signal being received by a device.
3) The action of receiving a signal by a device.

Compact Disc CD
A small optical disk with digital audio recorded on it.

Foot Pedal
1) An effects device where the amount of the effect can be controlled by a musician with his foot.
2) The beater mechanism of a foot drum that is activated by the drummer's foot to play the drum.
3) Any device, like a volume control, that can be operated by the foot.