Brooks Hi Fi speakers 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.

ID
An index signal (digital data that gives the machine information of where selections start, their selection number, etc.) on a DAT or CD.

Brooks Hi Fi reviews Ground Lifter
An adapter that takes a three prong power cord and plugs into a two prong outlet, used to disconnect the third (ground) pin of the power outlet. WARNING: It can be VERY DANGEROUS to have no ground connection to the case by using a ground lifter and not grounding the unit by other means.

Equipment Rack
A cabinet with rails (or free standing rails) that have holes to accept screws at standard spaces and used to house outboard gear.

Brooks RM 909 reviews Frequency
The number of cycles of a waveform occurring in a second.

FOH (Front of House)
Refers to the speakers that face toward the audience. Also called the "main" speakers.

Diaphragm
A thin flexible membrane or cone that vibrates in response to electrical signals to produce sound waves. Distortion is usually referred to in terms of total harmonic distortion (THD) which is the percentage of unwanted harmonics of the drive signal present with the wanted signal. Generally used to mean any unwanted change introduced by the device under question.

Final Mix
The two track stereo master tape which was mixed from the multitrack master.