An Electric Musical 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. An electronic musical instrument is a musical instrument that produces its sounds using electronics. ... Closeup of a loudspeaker driver A loudspeaker is a device which converts an electrical signal into sound. ...

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. Closeup of a loudspeaker driver A loudspeaker is a device which converts an electrical signal into sound. ... A membranophone is any musical instrument which produces sound primarily by way of a vibrating stretched membrane. ... Percussion instruments are played by being struck, shaken, rubbed or scraped. ... An electromagnetic field is composed of two related vectorial fields, the electric field and the magnetic field. ...

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. A microphone with a cord A microphone, sometimes called a mic (pronounced mike), is a device that converts sound into an electrical signal. ... A musical instrument is a device that has been constructed or modified with the purpose of making music. ... This article is about compression waves. ...

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. An electronic musical instrument is a musical instrument that produces its sounds using electronics. ...