Electric instrument

An electric instrument (which, in the broadest sense, includes both electrically amplified acoustic instruments and electronic musical instruments) is one in which a loudspeaker is used as the main sound generator.

Related Topics:
Acoustic instrument - Electronic musical instrument - Loudspeaker

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Looked at in this way, the paper cone of the loudspeaker acts in similar fashion to the membranophone family of percussion instruments. However, instead of the vibrations of the membrane being initiated by striking it, they are controlled by the electromagnetic field in the speaker's coil.

Related Topics:
Loudspeaker - Membranophone - Percussion instrument - Electromagnetic field

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When a microphone or a pickup built into or attached to a musical instrument responds to incoming sound waves, a varying electric signal is produced, which is sent to the coil and reproduced as sound again by the speaker.

Related Topics:
Microphone - Musical instrument - Sound waves

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When an electronic musical instrument creates an varying electronic signal in its circuitry, this signal is sent to the loudspeaker and heard for the first time.

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