BNO Acoustics TR-12 Dry

Describes a sound coming from the PA with no effects on it.

Frequency Response
How sensitive an electronic device (mic, amplifier, speaker, etc.) is to various frequencies; often communicated with a graph.

BNO Acoustics GK-3 Feedback Control
The control on a delay line or delay effects device that controls the amount of feedback.

Integrated Circuit (IC)
A miniature circuit of many components in a small, sealed housing with prongs to connect it into equipment.

BNO Acoustics Speakers Amplifier (Power amp, Head)
It's the part of the sound system that actually magnifies or "amplifies" the sound. In other words, it makes stuff louder.

Lead Sheet
A written chart showing the melody, lyrics and chords of a tune with full musical notation.

Level
Sets output volume of individual PA input channels. Usually positioned as sliders at the bottom of the soundboard.

Ground Adapter Plug
Adapts a three pronged electrical plug to a two pronged wall outlet. This bypasses the ground and may create a hum in the system. A lack of a good ground can cause mild electrical shock when touching a microphone.