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Effect Loop - A signal path which allows an audio processor to be switched in
and out of the signal path such as an equalizer.
Efficiency - The ratio of energy output to total energy input, expressed as a percentage.
With speakers, this refers to the ratio of total acoustic watts radiated to total electrical watts input.
Electrostatic Loudspeaker - A speaker composed of two pieces of metallic foil
separated by a sheet of dielectric unlike a cone and voice coil of a typical cone-type speaker.
Sound Lab Speakers
Electro-magnetic Interference (EMI) - The interference caused by an electro-magnetic field
created by the flow of current.
Equalization - The process of changing the frequency balance of a signal so acoustical
energy is proportional to the electrical input (or any type of relative frequency adjustment).
Equalizer - A component designed to alter the frequency balance of an audio signal.
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