Brooks Cinema Series 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.

Flat
1) Lower in musical pitch.
2) A slang term used to describe the sensitivity to frequency of a microphone, amplifier, etc., as being even at all frequencies, usually within 2 dB.
3) Refers to the frequencies on the EQ when they are arranged in centred neutral positions.

Brooks GS 15 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.

Distortion
Usually undesirable result of overloading sound equipment. Reducing the levels can remedy the situation.

Brooks QS 70 Fidelity
The recording or reproduction quality.

kHz
An Abbreviation of kilo-Hertz.

Electric Instrument
Any musical instrument that puts out an electrical signal rather than an acoustic sound.

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