BNO Acoustics 6k-52 Crossover (Crossover Network)

A set of filters that "split" the audio signal into two or more bands (two or more signals, each of which have only some of the frequencies present).

Level
The amount of signal strength; the amplitude, especially the average amplitude.

BNO Acoustics HD-70 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.

Alternating Current
Electric current which flows back and forth in a circuit.

BNO Acoustics Speakers 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.

Cue Send Control
A control that will adjust the amount of signal sent to a cue buss from a console channel.

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

Gate
A dynamic processing device that turns a channel off or down when the signal drops below a certain level.