Editing Resonator (section)

=== Stringed instruments ===
[[File:Steel guitar-KayEss.1.jpeg|thumb|upright|A [[Dobro]]-style [[resonator guitar]]]]
String instruments such as the bluegrass [[banjo]] may also have resonators. Many five-string banjos have removable resonators, so players can use the instrument with a resonator in [[Bluegrass music|bluegrass]] style, or without it in [[folk music]] style. The term ''resonator'', used by itself, may also refer to the [[resonator guitar]].

The modern [[ten-string guitar]], invented by [[Narciso Yepes]], adds four sympathetic string resonators to the traditional classical guitar. By tuning these resonators in a very specific way (C, B♭, A♭, G♭) and making use of their strongest partials (corresponding to the octaves and fifths of the strings' fundamental tones), the bass strings of the guitar now resonate equally with any of the 12 tones of the chromatic octave. The [[EBow|guitar resonator]] is a device for driving guitar string harmonics by an electromagnetic field. This resonance effect is caused by a feedback loop and is applied to drive the fundamental tones, octaves, 5th, 3rd to an infinite [[sustain]].