Brooks GT 845 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.

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

BROOKS AUDIO DESIGN Infinite Baffle
A baffle so large that the sounds coming from one side do not reach the other side.

Echo Chamber
1) A room designed with very hard, non-parallel surfaces and equipped with a speaker and microphone.
2) Any artificial or electronic device that simulates the reverberation created in a room.

Brooks Cinema Projectors Flutter
1) High-frequency variations in pitch of a recorded waveform due to fast speed variations in a recorder or playback machine.
2) Originally, and more formally, any variations (fast or slow) in pitch of a recorded tone due to speed fluctuations in a recorder or playback unit.

Far Field
The area from 3 feet away from the sound source up to the critical distance.

Balanced
1) Having a pleasing amount of low frequencies compared to mid-range frequencies and high frequencies. 2) Having a pleasing mixture of the various instrument levels in an audio recording. 3) Having a fairly equal level in each of the stereo channels. 4) A method of interconnecting electronic gear using three-conductor cables.

Keynote Number
A number assigned to each key of a synthesizer or controller keyboard that is transmitted in the MIDI signal.