Operating voltage supplied to a condenser mic by a mixer or external power source.

D E F G H I J K L M N O P Q R S T U V W X Y Z

Electrical current that alternates direction (positive to negative). AC is often contrasted with direct current (DC), commonly produced by batteries.

The tendency of sound waves to be soaked up by soft surfaces. Opposite: reflection.

Feedback, the dreaded "sound man's (and sound woman's)curse," is caused by a regeneration of sound leaving a speaker and entering a microphone. This tone - a sustained shri [..]

1. The science or scientific study of sound. 2. The properties of a room or environment that affect the qualities of sound.

The output, as measured in watts, of anything that generates sound.

A type of speaker cabinet which is sealed to control the action of its woofer and prevent the leakage of air.

"Background" noise - from any source - that affects the listener's ability to hear what is produced by a sound system. Machinery, hum from florescent lights, traffic, et.

Units of electrical current.