Brooks RM 909 Corner Frequency

Same as Cut-Off Frequency (the highest or lowest frequency in the pass band of a filter). (NOUN)

Electricity
Electrical current (the amount of electron charge passing a point in a conductor per unit of time) or voltage (the force pushing electrons to obtain electrical current).

Brooks Hi Fi speakers Basic Session
The First session in recording an audio production to record the Basic Tracks.

Flamenco
A style of music with roots in Spanish and Arabic culture.

Brooks HI FI projectors Diffraction
The breaking up of a sound wave caused by some type of mechanical interference such as a cabinet edge, grill frame, or other similar object.

Headphones
Devices that can be worn on the head with small speakers that fit over the ears (or sometimes into the ears).

Fret Buzz
A buzzing sound made when a note is not properly fretted. Common with cheap guitars or beginning guitar players.

Inverse Square Law
Simply stated, the fact that in an un-obstructed area (like an open field) the sound pressure level will drop to half-pressure (-6 dB) every time the distance to the sound source is doubled.