Acoustic-electric guitar

They are used in a variety of music genres where the sound of an acoustic guitar is desired but more volume is required, especially during live performances.

These preamps may also come with an integrated tuner and tone controls of varying types; equalizers with up to six frequency bands may be used.

In the 1920s, guitarists like Eddie Lang transitioned the acoustic guitar from a primarily solo instrument to use in big bands.

[1] However, in a big band, the guitar was outplayed by the horn section and drums, and the need for amplification became apparent quickly.

[2] The first person to create the modern electric pickup for the acoustic guitar was Lloyd Loar, with his company Vivi-tone.