Brooks HI FI projectors Hum

The 60 Hz power line current accidentally induced or fed into electronic equipment.

Earth
The British version of the term Ground (In electronics, a place that has zero volts).

Brooks Hi Fi speakers Hybrid
A product created by the marriage of two different technologies. Meant here as the combination of a dynamic woofer with an electrostatic transducer.

Absorption
Short for the term Acoustical Absorption (quality of a surface or substance to take in, not reflect, a sound wave).

Brooks RM 909 reviews Icon
A visual picture or symbol on a computer screen that represents a file, program or disc that can be used.

Keying Input (Key Input)
An input on a dynamics processing device to control the device by an external audio signal.

Golden Section
A ratio of height to width to length of a room to achieve "good acoustics" and first recommended by the ancient Greeks. The ratio is approximately the width 1.6 times the height and the length 2.6 times the height

Field
1) In video, one half of a frame.
2) In computer-controlled devices a window display with functions and choices that the operator can make